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Diffstat (limited to 'src/datavisualization')
232 files changed, 36777 insertions, 0 deletions
diff --git a/src/datavisualization/axis/axis.pri b/src/datavisualization/axis/axis.pri new file mode 100644 index 00000000..4e96618b --- /dev/null +++ b/src/datavisualization/axis/axis.pri @@ -0,0 +1,12 @@ +HEADERS += \ + $$PWD/q3dabstractaxis.h \ + $$PWD/q3dabstractaxis_p.h \ + $$PWD/q3dvalueaxis.h \ + $$PWD/q3dvalueaxis_p.h \ + $$PWD/q3dcategoryaxis.h \ + $$PWD/q3dcategoryaxis_p.h + +SOURCES += \ + $$PWD/q3dabstractaxis.cpp \ + $$PWD/q3dvalueaxis.cpp \ + $$PWD/q3dcategoryaxis.cpp diff --git a/src/datavisualization/axis/q3dabstractaxis.cpp b/src/datavisualization/axis/q3dabstractaxis.cpp new file mode 100644 index 00000000..07761d0c --- /dev/null +++ b/src/datavisualization/axis/q3dabstractaxis.cpp @@ -0,0 +1,373 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "q3dabstractaxis.h" +#include "q3dabstractaxis_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class Q3DAbstractAxis + * \inmodule QtDataVisualization + * \brief Q3DAbstractAxis is base class for axes of a graph. + * \since 1.0.0 + * + * You should not need to use this class directly, but one of its subclasses instead. + * + * \sa Q3DCategoryAxis, Q3DValueAxis + */ + +/*! + * \qmltype AbstractAxis3D + * \inqmlmodule com.digia.QtDataVisualization 1.0 + * \since com.digia.QtDataVisualization 1.0 + * \ingroup datavisualization_qml + * \instantiates Q3DAbstractAxis + * \brief AbstractAxis3D is base type for axes of a graph. + * + * This type is uncreatable, but contains properties that are exposed via subtypes. + */ + +/*! + * \qmlproperty string AbstractAxis3D::title + * Defines the title for the axis. + */ + +/*! + * \qmlproperty list AbstractAxis3D::labels + * Defines the labels for the axis. + */ + +/*! + * \qmlproperty AbstractAxis3D.AxisOrientation AbstractAxis3D::orientation + * Defines the orientation of the axis. + */ + +/*! + * \qmlproperty AbstractAxis3D.AxisType AbstractAxis3D::type + * Defines the type of the axis. + */ + +/*! + * \qmlproperty real AbstractAxis3D::min + * + * Defines the minimum value on the axis. + * When setting this property the max is adjusted if necessary, to ensure that the range remains + * valid. + */ + +/*! + * \qmlproperty real AbstractAxis3D::max + * + * Defines the maximum value on the axis. + * When setting this property the min is adjusted if necessary, to ensure that the range remains + * valid. + */ + +/*! + * \qmlproperty bool AbstractAxis3D::autoAdjustRange + * + * If set, the axis will automatically adjust the range so that all data fits in it. + */ + + +/*! + * \enum Q3DAbstractAxis::AxisOrientation + * + * The orientation of the axis object. + * + * \value AxisOrientationNone + * \value AxisOrientationX + * \value AxisOrientationY + * \value AxisOrientationZ + */ + +/*! + * \enum Q3DAbstractAxis::AxisType + * + * The type of the axis object. + * + * \value AxisTypeNone + * \value AxisTypeCategory + * \value AxisTypeValue + */ + +/*! + * \internal + */ +Q3DAbstractAxis::Q3DAbstractAxis(Q3DAbstractAxisPrivate *d, QObject *parent) : + QObject(parent), + d_ptr(d) +{ +} + +/*! + * Destroys Q3DAbstractAxis. + */ +Q3DAbstractAxis::~Q3DAbstractAxis() +{ +} + +/*! + * \property Q3DAbstractAxis::title + * + * Defines the title for the axis. + */ +QString Q3DAbstractAxis::title() const +{ + return d_ptr->m_title; +} + +/*! + * \property Q3DAbstractAxis::labels + * + * Defines the labels for the axis. + */ +QStringList Q3DAbstractAxis::labels() const +{ + d_ptr->updateLabels(); + return d_ptr->m_labels; +} + +/*! + * \property Q3DAbstractAxis::orientation + * + * Defines the orientation of the axis, one of \c Q3DAbstractAxis::AxisOrientation. + */ +Q3DAbstractAxis::AxisOrientation Q3DAbstractAxis::orientation() const +{ + return d_ptr->m_orientation; +} + +/*! + * \property Q3DAbstractAxis::type + * + * Defines the type of the axis, one of \c Q3DAbstractAxis::AxisType. + */ +Q3DAbstractAxis::AxisType Q3DAbstractAxis::type() const +{ + return d_ptr->m_type; +} + +void Q3DAbstractAxis::setTitle(QString title) +{ + if (d_ptr->m_title != title) { + d_ptr->m_title = title; + emit titleChanged(title); + } +} + +/*! + * Sets value range of the axis from \a min to \a max. + * When setting the range, the max is adjusted if necessary, to ensure that the range remains valid. + * \note For Q3DCategoryAxis this specifies the index range of rows or columns to show. + */ +void Q3DAbstractAxis::setRange(qreal min, qreal max) +{ + d_ptr->setRange(min, max); + setAutoAdjustRange(false); +} + +/*! + * \property Q3DAbstractAxis::min + * + * Defines the minimum value on the axis. + * When setting this property the max is adjusted if necessary, to ensure that the range remains + * valid. + * \note For Q3DCategoryAxis this specifies the index of the first row or column to show. + */ +void Q3DAbstractAxis::setMin(qreal min) +{ + d_ptr->setMin(min); + setAutoAdjustRange(false); +} + +/*! + * \property Q3DAbstractAxis::max + * + * Defines the maximum value on the axis. + * When setting this property the min is adjusted if necessary, to ensure that the range remains + * valid. + * \note For Q3DCategoryAxis this specifies the index of the last row or column to show. + */ +void Q3DAbstractAxis::setMax(qreal max) +{ + d_ptr->setMax(max); + setAutoAdjustRange(false); +} + +qreal Q3DAbstractAxis::min() const +{ + return d_ptr->m_min; +} + +qreal Q3DAbstractAxis::max() const +{ + return d_ptr->m_max; +} + +/*! + * \property Q3DAbstractAxis::autoAdjustRange + * + * If set, the axis will automatically adjust the range so that all data fits in it. + * + * \sa setRange(), setMin(), setMax() + */ +void Q3DAbstractAxis::setAutoAdjustRange(bool autoAdjust) +{ + if (d_ptr->m_autoAdjust != autoAdjust) { + d_ptr->m_autoAdjust = autoAdjust; + emit autoAdjustRangeChanged(autoAdjust); + } +} + +bool Q3DAbstractAxis::isAutoAdjustRange() const +{ + return d_ptr->m_autoAdjust; +} + +// Q3DAbstractAxisPrivate + +Q3DAbstractAxisPrivate::Q3DAbstractAxisPrivate(Q3DAbstractAxis *q, Q3DAbstractAxis::AxisType type) + : QObject(0), + q_ptr(q), + m_orientation(Q3DAbstractAxis::AxisOrientationNone), + m_type(type), + m_isDefaultAxis(false), + m_min(0.0), + m_max(10.0), + m_autoAdjust(true), + m_onlyPositiveValues(false), + m_allowMinMaxSame(false) +{ +} + +Q3DAbstractAxisPrivate::~Q3DAbstractAxisPrivate() +{ +} + +void Q3DAbstractAxisPrivate::setOrientation(Q3DAbstractAxis::AxisOrientation orientation) +{ + if (m_orientation == Q3DAbstractAxis::AxisOrientationNone) + m_orientation = orientation; + else + Q_ASSERT("Attempted to reset axis orientation."); +} + +void Q3DAbstractAxisPrivate::updateLabels() +{ + // Default implementation does nothing +} + +void Q3DAbstractAxisPrivate::setRange(qreal min, qreal max) +{ + bool adjusted = false; + if (m_onlyPositiveValues) { + if (min < 0.0) { + min = 0.0; + adjusted = true; + } + if (max < 0.0) { + max = 0.0; + adjusted = true; + } + } + // If min >= max, we adjust ranges so that + // m_max becomes (min + 1.0) + // as axes need some kind of valid range. + bool dirty = false; + if (m_min != min) { + m_min = min; + dirty = true; + } + if (m_max != max || min > max || (!m_allowMinMaxSame && min == max)) { + if (min > max || (!m_allowMinMaxSame && min == max)) { + m_max = min + 1.0; + adjusted = true; + } else { + m_max = max; + } + dirty = true; + } + + if (dirty) { + if (adjusted) { + qWarning() << "Warning: Tried to set invalid range for axis." + " Range automatically adjusted to a valid one:" + << min << "-" << max << "-->" << m_min << "-" << m_max; + } + emit q_ptr->rangeChanged(m_min, m_max); + } +} + +void Q3DAbstractAxisPrivate::setMin(qreal min) +{ + if (m_onlyPositiveValues) { + if (min < 0.0) { + min = 0.0; + qWarning() << "Warning: Tried to set negative minimum for an axis that only supports" + " positive values:" << min; + } + } + + if (m_min != min) { + if (min > m_max || (!m_allowMinMaxSame && min == m_max)) { + qreal oldMax = m_max; + m_max = min + 1.0; + qWarning() << "Warning: Tried to set minimum to equal or larger than maximum for" + " value axis. Maximum automatically adjusted to a valid one:" + << oldMax << "-->" << m_max; + } + m_min = min; + + emit q_ptr->rangeChanged(m_min, m_max); + } +} + +void Q3DAbstractAxisPrivate::setMax(qreal max) +{ + if (m_onlyPositiveValues) { + if (max < 0.0) { + max = 0.0; + qWarning() << "Warning: Tried to set negative maximum for an axis that only supports" + " positive values:" << max; + } + } + + if (m_max != max) { + if (m_min > max || (!m_allowMinMaxSame && m_min == max)) { + qreal oldMin = m_min; + m_min = max - 1.0; + if (m_onlyPositiveValues && m_min < 0.0) { + m_min = 0.0; + if (!m_allowMinMaxSame && max == 0.0) { + m_min = oldMin; + qWarning() << "Unable to set maximum value to zero."; + return; + } + } + qWarning() << "Warning: Tried to set maximum to equal or smaller than minimum for" + " value axis. Minimum automatically adjusted to a valid one:" + << oldMin << "-->" << m_min; + } + m_max = max; + emit q_ptr->rangeChanged(m_min, m_max); + } +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/axis/q3dabstractaxis.h b/src/datavisualization/axis/q3dabstractaxis.h new file mode 100644 index 00000000..9e5c426a --- /dev/null +++ b/src/datavisualization/axis/q3dabstractaxis.h @@ -0,0 +1,100 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef Q3DABSTRACTAXIS_H +#define Q3DABSTRACTAXIS_H + +#include <QtDataVisualization/qdatavisualizationenums.h> +#include <QObject> +#include <QScopedPointer> +#include <QVector> +#include <QStringList> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DAbstractAxisPrivate; + +class QT_DATAVISUALIZATION_EXPORT Q3DAbstractAxis : public QObject +{ + Q_OBJECT + Q_ENUMS(AxisOrientation) + Q_ENUMS(AxisType) + Q_PROPERTY(QString title READ title WRITE setTitle NOTIFY titleChanged) + Q_PROPERTY(QStringList labels READ labels NOTIFY labelsChanged) + Q_PROPERTY(AxisOrientation orientation READ orientation) + Q_PROPERTY(AxisType type READ type) + Q_PROPERTY(qreal min READ min WRITE setMin NOTIFY rangeChanged) + Q_PROPERTY(qreal max READ max WRITE setMax NOTIFY rangeChanged) + Q_PROPERTY(bool autoAdjustRange READ isAutoAdjustRange WRITE setAutoAdjustRange NOTIFY autoAdjustRangeChanged) + +public: + enum AxisOrientation { + AxisOrientationNone = 0, + AxisOrientationX = 1, + AxisOrientationY = 2, + AxisOrientationZ = 4 + }; + + enum AxisType { + AxisTypeNone = 0, + AxisTypeCategory = 1, + AxisTypeValue = 2 + //AxisTypeLogValue = 6 // inherits valueaxis (4 + 2) // TODO + }; + +protected: + explicit Q3DAbstractAxis(Q3DAbstractAxisPrivate *d, QObject *parent = 0); + +public: + virtual ~Q3DAbstractAxis(); + + QString title() const; + QStringList labels() const; + + AxisOrientation orientation() const; + AxisType type() const; + + qreal min() const; + qreal max() const; + bool isAutoAdjustRange() const; + + void setTitle(QString title); + void setRange(qreal min, qreal max); + void setMin(qreal min); + void setMax(qreal max); + void setAutoAdjustRange(bool autoAdjust); + +signals: + void titleChanged(QString newTitle); + void labelsChanged(); + void rangeChanged(qreal min, qreal max); + void autoAdjustRangeChanged(bool autoAdjust); + +protected: + QScopedPointer<Q3DAbstractAxisPrivate> d_ptr; + +private: + Q_DISABLE_COPY(Q3DAbstractAxis) + + friend class Abstract3DController; + friend class Bars3DController; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QABSTRACTAXIS_H diff --git a/src/datavisualization/axis/q3dabstractaxis_p.h b/src/datavisualization/axis/q3dabstractaxis_p.h new file mode 100644 index 00000000..902f65be --- /dev/null +++ b/src/datavisualization/axis/q3dabstractaxis_p.h @@ -0,0 +1,77 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#include "datavisualizationglobal_p.h" +#include "q3dabstractaxis.h" +#include "abstract3dcontroller_p.h" + +#ifndef Q3DABSTRACTAXIS_P_H +#define Q3DABSTRACTAXIS_P_H + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DAbstractAxisPrivate : public QObject +{ + Q_OBJECT +public: + Q3DAbstractAxisPrivate(Q3DAbstractAxis *q, Q3DAbstractAxis::AxisType type); + virtual ~Q3DAbstractAxisPrivate(); + + void setOrientation(Q3DAbstractAxis::AxisOrientation orientation); + + inline bool isDefaultAxis() { return m_isDefaultAxis; } + inline void setDefaultAxis(bool isDefault) { m_isDefaultAxis = isDefault; } + + virtual void setRange(qreal min, qreal max); + virtual void setMin(qreal min); + virtual void setMax (qreal max); + +protected: + virtual void updateLabels(); + + Q3DAbstractAxis *q_ptr; + + QString m_title; + QStringList m_labels; + Q3DAbstractAxis::AxisOrientation m_orientation; + Q3DAbstractAxis::AxisType m_type; + bool m_isDefaultAxis; + qreal m_min; + qreal m_max; + bool m_autoAdjust; + bool m_onlyPositiveValues; + bool m_allowMinMaxSame; + + friend class Q3DAbstractAxis; + friend class Q3DValueAxis; + friend class Q3DCategoryAxis; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QABSTRACTAXIS_P_H diff --git a/src/datavisualization/axis/q3dcategoryaxis.cpp b/src/datavisualization/axis/q3dcategoryaxis.cpp new file mode 100644 index 00000000..05f52cdc --- /dev/null +++ b/src/datavisualization/axis/q3dcategoryaxis.cpp @@ -0,0 +1,152 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "q3dcategoryaxis.h" +#include "q3dcategoryaxis_p.h" +#include "bars3dcontroller_p.h" +#include "qbardataproxy.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class Q3DCategoryAxis + * \inmodule QtDataVisualization + * \brief The Q3DCategoryAxis class is used for manipulating an axis of a graph. + * \since 1.0.0 + * + * Q3DCategoryAxis provides an axis that can be given labels. The axis is divided into equal-sized + * categories based on the data window size defined by setting the axis range. + * + * Grid lines are drawn between categories, if visible. Labels are drawn to positions of categories + * if provided. + */ + +/*! + * \qmltype CategoryAxis3D + * \inqmlmodule com.digia.QtDataVisualization 1.0 + * \since com.digia.QtDataVisualization 1.0 + * \ingroup datavisualization_qml + * \instantiates Q3DCategoryAxis + * \inherits AbstractAxis3D + * \brief The CategoryAxis3D type is used for manipulating an axis of a graph. + * + * This type provides an axis that can be given labels. + */ + +/*! + * \qmlproperty list CategoryAxis3D::categoryLabels + * Defines labels for axis applied to categories. If there are fewer labels than categories, the + * remaining ones do not have a label. If category labels are not explicitly defined, labels are + * generated from the data row and column labels. + */ + +/*! + * Constructs Q3DCategoryAxis with \a parent. + */ +Q3DCategoryAxis::Q3DCategoryAxis(QObject *parent) : + Q3DAbstractAxis(new Q3DCategoryAxisPrivate(this), parent) +{ +} + +/*! + * Destroys Q3DCategoryAxis. + */ +Q3DCategoryAxis::~Q3DCategoryAxis() +{ +} + +/*! + * \property Q3DCategoryAxis::categoryLabels + * + * Defines labels for axis applied to categories. If there are fewer labels than categories, the + * remaining ones do not have a label. If category labels are not explicitly defined, labels are + * generated from the data row and column labels. + * + * \note CategoryLabels actually reads/writes the Q3DAbstractAxis::labels property, + * which is read only there. Since subclass cannot have property with same name, + * this partially duplicate property is necessary. + */ +QStringList Q3DCategoryAxis::categoryLabels() const +{ + return labels(); +} + +void Q3DCategoryAxis::setCategoryLabels(const QStringList &labels) +{ + dptr()->m_labelsExplicitlySet = !labels.isEmpty(); + bool labelsFromData = false; + + // Get labels from data proxy if axis is attached to a bar controller and an active axis there + if (labels.isEmpty()) { + Bars3DController *controller = qobject_cast<Bars3DController *>(parent()); + if (controller) { + if (controller->axisX() == this) { + controller->handleDataRowLabelsChanged(); + labelsFromData = true; + } else if (controller->axisZ() == this) { + controller->handleDataColumnLabelsChanged(); + labelsFromData = true; + } + } + } + + if (!labelsFromData && d_ptr->m_labels != labels) { + d_ptr->m_labels = labels; + emit labelsChanged(); + } +} + +/*! + * \internal + */ +Q3DCategoryAxisPrivate *Q3DCategoryAxis::dptr() +{ + return static_cast<Q3DCategoryAxisPrivate *>(d_ptr.data()); +} + +Q3DCategoryAxisPrivate::Q3DCategoryAxisPrivate(Q3DCategoryAxis *q) + : Q3DAbstractAxisPrivate(q, Q3DAbstractAxis::AxisTypeCategory), + m_labelsExplicitlySet(false) +{ + m_onlyPositiveValues = true; + m_allowMinMaxSame = true; +} + +Q3DCategoryAxisPrivate::~Q3DCategoryAxisPrivate() +{ +} + +/*! + * \internal + * Controller uses this function to set labels from data proxy as category labels. + * If the labels have been explicitly set by user, data proxy labels are not used. + */ +void Q3DCategoryAxisPrivate::setDataLabels(const QStringList &labels) +{ + if (!m_labelsExplicitlySet && m_labels != labels) { + m_labels = labels; + emit qptr()->labelsChanged(); + } +} + +Q3DCategoryAxis *Q3DCategoryAxisPrivate::qptr() +{ + return static_cast<Q3DCategoryAxis *>(q_ptr); +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/axis/q3dcategoryaxis.h b/src/datavisualization/axis/q3dcategoryaxis.h new file mode 100644 index 00000000..ef545950 --- /dev/null +++ b/src/datavisualization/axis/q3dcategoryaxis.h @@ -0,0 +1,50 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef Q3DCATEGORYAXIS_H +#define Q3DCATEGORYAXIS_H + +#include <QtDataVisualization/q3dabstractaxis.h> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DCategoryAxisPrivate; + +class QT_DATAVISUALIZATION_EXPORT Q3DCategoryAxis : public Q3DAbstractAxis +{ + Q_OBJECT + Q_PROPERTY(QStringList categoryLabels READ categoryLabels WRITE setCategoryLabels) + +public: + explicit Q3DCategoryAxis(QObject *parent = 0); + virtual ~Q3DCategoryAxis(); + + QStringList categoryLabels() const; + void setCategoryLabels(const QStringList &labels); + +protected: + Q3DCategoryAxisPrivate *dptr(); + +private: + Q_DISABLE_COPY(Q3DCategoryAxis) + friend class Bars3DController; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QCATEGORYAXIS_H diff --git a/src/datavisualization/axis/q3dcategoryaxis_p.h b/src/datavisualization/axis/q3dcategoryaxis_p.h new file mode 100644 index 00000000..9b66e48a --- /dev/null +++ b/src/datavisualization/axis/q3dcategoryaxis_p.h @@ -0,0 +1,57 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#include "q3dcategoryaxis.h" +#include "q3dabstractaxis_p.h" +#include "qbardataitem.h" + +#ifndef QCATEGORYAXIS_P_H +#define QCATEGORYAXIS_P_H + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DCategoryAxisPrivate : public Q3DAbstractAxisPrivate +{ + Q_OBJECT + +public: + Q3DCategoryAxisPrivate(Q3DCategoryAxis *q); + virtual ~Q3DCategoryAxisPrivate(); + + void setDataLabels(const QStringList &labels); + +private: + Q3DCategoryAxis *qptr(); + + bool m_labelsExplicitlySet; + friend class Q3DCategoryAxis; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QCATEGORYAXIS_P_H diff --git a/src/datavisualization/axis/q3dvalueaxis.cpp b/src/datavisualization/axis/q3dvalueaxis.cpp new file mode 100644 index 00000000..5e38e4ca --- /dev/null +++ b/src/datavisualization/axis/q3dvalueaxis.cpp @@ -0,0 +1,270 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "q3dvalueaxis.h" +#include "q3dvalueaxis_p.h" +#include "utils_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class Q3DValueAxis + * \inmodule QtDataVisualization + * \brief The Q3DValueAxis class is used for manipulating an axis of a graph. + * \since 1.0.0 + * + * Q3DValueAxis provides an axis that can be given a range of values and segment and subsegment + * counts to divide the range into. + * + * Labels are drawn between each segment. Grid lines are drawn between each segment and each + * subsegment. \note If visible, there will always be at least two grid lines and labels indicating + * the minimum and the maximum values of the range, as there is always at least one segment. + */ + +/*! + * \qmltype ValueAxis3D + * \inqmlmodule com.digia.QtDataVisualization 1.0 + * \since com.digia.QtDataVisualization 1.0 + * \ingroup datavisualization_qml + * \instantiates Q3DValueAxis + * \inherits AbstractAxis3D + * \brief The ValueAxis3D type is used for manipulating an axis of a graph. + * + * This type provides an axis that can be given a range of values and segment and subsegment + * counts to divide the range into. + */ + + +/*! + * \qmlproperty int ValueAxis3D::segmentCount + * + * Defines the number of segments on the axis. This indicates how many labels are drawn. The number + * of grid lines to be drawn is calculated with formula: \c {segments * subsegments + 1}. + * The preset default is \c 5, and it can not be below \c 1. + */ + +/*! + * \qmlproperty int ValueAxis3D::subSegmentCount + * + * Defines the number of subsegments inside each segment on the axis. Grid lines are drawn between + * each subsegment, in addition to each segment. + * The preset default is \c 1, and it can not be below \c 1. + */ + +/*! + * \qmlproperty string ValueAxis3D::labelFormat + * + * Defines the label format to be used for the labels on this axis. Supported specifiers are: + * \c {d, i, o, x, X, f, F, e, E, g, G, c}. See QString::sprintf() for additional details. + */ + +/*! + * Constructs Q3DValueAxis with the given \a parent. + */ +Q3DValueAxis::Q3DValueAxis(QObject *parent) : + Q3DAbstractAxis(new Q3DValueAxisPrivate(this), parent) +{ +} + +/*! + * Destroys Q3DValueAxis. + */ +Q3DValueAxis::~Q3DValueAxis() +{ +} + + +/*! + * \property Q3DValueAxis::segmentCount + * + * Defines the number of segments on the axis. This indicates how many labels are drawn. The number + * of grid lines to be drawn is calculated with formula: \c {segments * subsegments + 1}. + * The preset default is \c 5, and it can not be below \c 1. + * + * \sa setSubSegmentCount() + */ +void Q3DValueAxis::setSegmentCount(int count) +{ + if (count <= 0) { + qWarning() << "Warning: Illegal segment count automatically adjusted to a legal one:" + << count << "-> 1"; + count = 1; + } + if (dptr()->m_segmentCount != count){ + dptr()->m_segmentCount = count; + dptr()->emitLabelsChanged(); + emit segmentCountChanged(count); + } +} + +int Q3DValueAxis::segmentCount() const +{ + return dptrc()->m_segmentCount; +} + +/*! + * \property Q3DValueAxis::subSegmentCount + * + * Defines the number of subsegments inside each segment on the axis. Grid lines are drawn between + * each subsegment, in addition to each segment. + * The preset default is \c 1, and it can not be below \c 1. + * + * \sa setSegmentCount() + */ +void Q3DValueAxis::setSubSegmentCount(int count) +{ + if (count <= 0) { + qWarning() << "Warning: Illegal subsegment count automatically adjusted to a legal one:" + << count << "-> 1"; + count = 1; + } + if (dptr()->m_subSegmentCount != count) { + dptr()->m_subSegmentCount = count; + emit subSegmentCountChanged(count); + } +} + +int Q3DValueAxis::subSegmentCount() const +{ + return dptrc()->m_subSegmentCount; +} + +/*! + * \property Q3DValueAxis::labelFormat + * + * Defines the label format to be used for the labels on this axis. Supported specifiers are: + * \c {d, i, o, x, X, f, F, e, E, g, G, c}. See QString::sprintf() for additional details. + * + * Usage example: + * + * \c {axis->setLabelFormat("%.2f mm");} + */ +void Q3DValueAxis::setLabelFormat(const QString &format) +{ + if (dptr()->m_labelFormat != format) { + dptr()->m_labelFormat = format; + dptr()->emitLabelsChanged(); + emit labelFormatChanged(format); + } +} + +QString Q3DValueAxis::labelFormat() const +{ + return dptrc()->m_labelFormat; +} + +/*! + * \internal + */ +Q3DValueAxisPrivate *Q3DValueAxis::dptr() +{ + return static_cast<Q3DValueAxisPrivate *>(d_ptr.data()); +} + +/*! + * \internal + */ +const Q3DValueAxisPrivate *Q3DValueAxis::dptrc() const +{ + return static_cast<const Q3DValueAxisPrivate *>(d_ptr.data()); +} + +Q3DValueAxisPrivate::Q3DValueAxisPrivate(Q3DValueAxis *q) + : Q3DAbstractAxisPrivate(q, Q3DAbstractAxis::AxisTypeValue), + m_segmentCount(5), + m_subSegmentCount(1), + m_labelFormat(Utils::defaultLabelFormat()), + m_labelsDirty(true) +{ +} + +Q3DValueAxisPrivate::~Q3DValueAxisPrivate() +{ +} + +void Q3DValueAxisPrivate::setRange(qreal min, qreal max) +{ + bool dirty = (min != m_min || max != m_max); + + Q3DAbstractAxisPrivate::setRange(min, max); + + if (dirty) + emitLabelsChanged(); +} + +void Q3DValueAxisPrivate::setMin(qreal min) +{ + bool dirty = (min != m_min); + + Q3DAbstractAxisPrivate::setMin(min); + + if (dirty) + emitLabelsChanged(); +} + +void Q3DValueAxisPrivate::setMax(qreal max) +{ + bool dirty = (max != m_max); + + Q3DAbstractAxisPrivate::setMax(max); + + if (dirty) + emitLabelsChanged(); +} + +void Q3DValueAxisPrivate::emitLabelsChanged() +{ + m_labelsDirty = true; + emit q_ptr->labelsChanged(); +} + +void Q3DValueAxisPrivate::updateLabels() +{ + if (!m_labelsDirty) + return; + + m_labelsDirty = false; + + QStringList newLabels; + newLabels.reserve(m_segmentCount + 1); + + // First label is at axis min, which is an extra segment + qreal segmentStep = (m_max - m_min) / m_segmentCount; + + QString formatString(m_labelFormat); + Utils::ParamType paramType = Utils::findFormatParamType(formatString); + QByteArray formatArray = formatString.toUtf8(); + + for (int i = 0; i < m_segmentCount; i++) { + qreal value = m_min + (segmentStep * i); + newLabels.append(Utils::formatLabel(formatArray, paramType, value)); + } + + // Ensure max label doesn't suffer from any rounding errors + newLabels.append(Utils::formatLabel(formatArray, paramType, m_max)); + + if (m_labels != newLabels) + m_labels = newLabels; +} + +Q3DValueAxis *Q3DValueAxisPrivate::qptr() +{ + return static_cast<Q3DValueAxis *>(q_ptr); +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/axis/q3dvalueaxis.h b/src/datavisualization/axis/q3dvalueaxis.h new file mode 100644 index 00000000..f1280e25 --- /dev/null +++ b/src/datavisualization/axis/q3dvalueaxis.h @@ -0,0 +1,65 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QVALUEAXIS_H +#define QVALUEAXIS_H + +#include <QtDataVisualization/q3dabstractaxis.h> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DValueAxisPrivate; + +class QT_DATAVISUALIZATION_EXPORT Q3DValueAxis : public Q3DAbstractAxis +{ + Q_OBJECT + Q_PROPERTY(int segmentCount READ segmentCount WRITE setSegmentCount NOTIFY segmentCountChanged) + Q_PROPERTY(int subSegmentCount READ subSegmentCount WRITE setSubSegmentCount NOTIFY subSegmentCountChanged) + Q_PROPERTY(QString labelFormat READ labelFormat WRITE setLabelFormat NOTIFY labelFormatChanged) + +public: + explicit Q3DValueAxis(QObject *parent = 0); + virtual ~Q3DValueAxis(); + + int segmentCount() const; + int subSegmentCount() const; + QString labelFormat() const; + + void setSegmentCount(int count); + void setSubSegmentCount(int count); + void setLabelFormat(const QString &format); + +signals: + void segmentCountChanged(int count); + void subSegmentCountChanged(int count); + void labelFormatChanged(QString format); + +protected: + Q3DValueAxisPrivate *dptr(); + const Q3DValueAxisPrivate *dptrc() const; + +private: + Q_DISABLE_COPY(Q3DValueAxis) + friend class Bars3DController; + friend class Scatter3DController; + friend class Surface3DController; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QVALUEAXIS_H diff --git a/src/datavisualization/axis/q3dvalueaxis_p.h b/src/datavisualization/axis/q3dvalueaxis_p.h new file mode 100644 index 00000000..5d0084e6 --- /dev/null +++ b/src/datavisualization/axis/q3dvalueaxis_p.h @@ -0,0 +1,66 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#include "q3dvalueaxis.h" +#include "q3dabstractaxis_p.h" + +#ifndef QVALUEAXIS_P_H +#define QVALUEAXIS_P_H + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DValueAxisPrivate : public Q3DAbstractAxisPrivate +{ + Q_OBJECT + +public: + Q3DValueAxisPrivate(Q3DValueAxis *q); + virtual ~Q3DValueAxisPrivate(); + + virtual void setRange(qreal min, qreal max); + virtual void setMin(qreal min); + virtual void setMax (qreal max); + +protected: + void emitLabelsChanged(); + virtual void updateLabels(); + + int m_segmentCount; + int m_subSegmentCount; + QString m_labelFormat; + bool m_labelsDirty; + +private: + Q3DValueAxis *qptr(); + + friend class Q3DValueAxis; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QVALUEAXIS_P_H diff --git a/src/datavisualization/common.pri b/src/datavisualization/common.pri new file mode 100644 index 00000000..5b03ab98 --- /dev/null +++ b/src/datavisualization/common.pri @@ -0,0 +1,9 @@ +# This qmake file is included by all Patternist projects and contains common Qt defines, +# compiler warnings, and include paths. + +INCLUDEPATH += $$PWD/engine \ + $$PWD/global \ + $$PWD/utils \ + $$PWD/axis \ + $$PWD/data \ + $$PWD/input diff --git a/src/datavisualization/data/abstractitemmodelhandler.cpp b/src/datavisualization/data/abstractitemmodelhandler.cpp new file mode 100644 index 00000000..0ad0ac0b --- /dev/null +++ b/src/datavisualization/data/abstractitemmodelhandler.cpp @@ -0,0 +1,250 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "abstractitemmodelhandler_p.h" +#include "qabstractdatamapping.h" +#include <QTimer> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +AbstractItemModelHandler::AbstractItemModelHandler(QObject *parent) + : QObject(parent), + m_activeMapping(0), + resolvePending(0) +{ + m_resolveTimer.setSingleShot(true); + QObject::connect(&m_resolveTimer, &QTimer::timeout, + this, &AbstractItemModelHandler::handlePendingResolve); +} + +AbstractItemModelHandler::~AbstractItemModelHandler() +{ +} + +void AbstractItemModelHandler::setItemModel(const QAbstractItemModel *itemModel) +{ + if (!m_itemModel.isNull()) + QObject::disconnect(m_itemModel, 0, this, 0); + + m_itemModel = itemModel; + + if (!m_itemModel.isNull()) { + QObject::connect(m_itemModel.data(), &QAbstractItemModel::columnsInserted, + this, &AbstractItemModelHandler::handleColumnsInserted); + QObject::connect(m_itemModel.data(), &QAbstractItemModel::columnsMoved, + this, &AbstractItemModelHandler::handleColumnsMoved); + QObject::connect(m_itemModel.data(), &QAbstractItemModel::columnsRemoved, + this, &AbstractItemModelHandler::handleColumnsRemoved); + QObject::connect(m_itemModel.data(), &QAbstractItemModel::dataChanged, + this, &AbstractItemModelHandler::handleDataChanged); + QObject::connect(m_itemModel.data(), &QAbstractItemModel::layoutChanged, + this, &AbstractItemModelHandler::handleLayoutChanged); + QObject::connect(m_itemModel.data(), &QAbstractItemModel::modelReset, + this, &AbstractItemModelHandler::handleModelReset); + QObject::connect(m_itemModel.data(), &QAbstractItemModel::rowsInserted, + this, &AbstractItemModelHandler::handleRowsInserted); + QObject::connect(m_itemModel.data(), &QAbstractItemModel::rowsMoved, + this, &AbstractItemModelHandler::handleRowsMoved); + QObject::connect(m_itemModel.data(), &QAbstractItemModel::rowsRemoved, + this, &AbstractItemModelHandler::handleRowsRemoved); + } + if (!m_resolveTimer.isActive()) + m_resolveTimer.start(0); +} + +const QAbstractItemModel *AbstractItemModelHandler::itemModel() const +{ + return m_itemModel.data(); +} + +void AbstractItemModelHandler::setActiveMapping(QAbstractDataMapping *mapping) +{ + if (m_activeMapping) + QObject::disconnect(m_activeMapping, 0, this, 0); + + if (mapping) + addMapping(mapping); + + m_activeMapping = mapping; + + if (m_activeMapping) { + QObject::connect(m_activeMapping, &QAbstractDataMapping::mappingChanged, + this, &AbstractItemModelHandler::handleMappingChanged); + } + + if (!m_resolveTimer.isActive()) + m_resolveTimer.start(0); +} + +QAbstractDataMapping *AbstractItemModelHandler::activeMapping() const +{ + return m_activeMapping; +} + +void AbstractItemModelHandler::addMapping(QAbstractDataMapping *mapping) +{ + Q_ASSERT(mapping); + AbstractItemModelHandler *owner = qobject_cast<AbstractItemModelHandler *>(mapping->parent()); + if (owner != this) { + Q_ASSERT_X(!owner, "addMapping", "Mapping already attached to a proxy."); + mapping->setParent(this); + } + if (!m_mappings.contains(mapping)) + m_mappings.append(mapping); +} + +void AbstractItemModelHandler::releaseMapping(QAbstractDataMapping *mapping) +{ + if (mapping && m_mappings.contains(mapping)) { + // If the mapping is in use, clear the existing mapping + if (m_activeMapping == mapping) + setActiveMapping(0); + + m_mappings.removeAll(mapping); + mapping->setParent(0); + } +} + +QList<QAbstractDataMapping *> AbstractItemModelHandler::mappings() const +{ + return m_mappings; +} + +void AbstractItemModelHandler::handleColumnsInserted(const QModelIndex &parent, + int start, int end) +{ + Q_UNUSED(parent) + Q_UNUSED(start) + Q_UNUSED(end) + + // Resolve new items + if (!m_resolveTimer.isActive()) + m_resolveTimer.start(0); // TODO Resolving entire model is inefficient +} + +void AbstractItemModelHandler::handleColumnsMoved(const QModelIndex &sourceParent, + int sourceStart, + int sourceEnd, + const QModelIndex &destinationParent, + int destinationColumn) +{ + Q_UNUSED(sourceParent) + Q_UNUSED(sourceStart) + Q_UNUSED(sourceEnd) + Q_UNUSED(destinationParent) + Q_UNUSED(destinationColumn) + + // Resolve moved items + if (!m_resolveTimer.isActive()) + m_resolveTimer.start(0); // TODO Resolving entire model is inefficient +} + +void AbstractItemModelHandler::handleColumnsRemoved(const QModelIndex &parent, + int start, int end) +{ + Q_UNUSED(parent) + Q_UNUSED(start) + Q_UNUSED(end) + + // Remove old items + if (!m_resolveTimer.isActive()) + m_resolveTimer.start(0); // TODO Resolving entire model is inefficient +} + +void AbstractItemModelHandler::handleDataChanged(const QModelIndex &topLeft, + const QModelIndex &bottomRight, + const QVector<int> &roles) +{ + Q_UNUSED(topLeft) + Q_UNUSED(bottomRight) + Q_UNUSED(roles) + + // Resolve changed items + if (!m_resolveTimer.isActive()) + m_resolveTimer.start(0); // TODO Resolving entire model is inefficient +} + +void AbstractItemModelHandler::handleLayoutChanged(const QList<QPersistentModelIndex> &parents, + QAbstractItemModel::LayoutChangeHint hint) +{ + Q_UNUSED(parents) + Q_UNUSED(hint) + + // Resolve moved items + if (!m_resolveTimer.isActive()) + m_resolveTimer.start(0); // TODO Resolving entire model is inefficient +} + +void AbstractItemModelHandler::handleModelReset() +{ + // Data cleared, reset array + if (!m_resolveTimer.isActive()) + m_resolveTimer.start(0); // TODO Resolving entire model is inefficient +} + +void AbstractItemModelHandler::handleRowsInserted(const QModelIndex &parent, int start, int end) +{ + Q_UNUSED(parent) + Q_UNUSED(start) + Q_UNUSED(end) + + // Resolve new items + if (!m_resolveTimer.isActive()) + m_resolveTimer.start(0); // TODO Resolving entire model is inefficient +} + +void AbstractItemModelHandler::handleRowsMoved(const QModelIndex &sourceParent, + int sourceStart, + int sourceEnd, + const QModelIndex &destinationParent, + int destinationRow) +{ + Q_UNUSED(sourceParent) + Q_UNUSED(sourceStart) + Q_UNUSED(sourceEnd) + Q_UNUSED(destinationParent) + Q_UNUSED(destinationRow) + + // Resolve moved items + if (!m_resolveTimer.isActive()) + m_resolveTimer.start(0); // TODO Resolving entire model is inefficient +} + +void AbstractItemModelHandler::handleRowsRemoved(const QModelIndex &parent, int start, int end) +{ + Q_UNUSED(parent) + Q_UNUSED(start) + Q_UNUSED(end) + + // Resolve removed items + if (!m_resolveTimer.isActive()) + m_resolveTimer.start(0); // TODO Resolving entire model is inefficient +} + +void AbstractItemModelHandler::handleMappingChanged() +{ + if (!m_resolveTimer.isActive()) + m_resolveTimer.start(0); +} + +void AbstractItemModelHandler::handlePendingResolve() +{ + resolveModel(); +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/abstractitemmodelhandler_p.h b/src/datavisualization/data/abstractitemmodelhandler_p.h new file mode 100644 index 00000000..fbaaa1f9 --- /dev/null +++ b/src/datavisualization/data/abstractitemmodelhandler_p.h @@ -0,0 +1,90 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef ABSTRACTITEMMODELHANDLER_P_H +#define ABSTRACTITEMMODELHANDLER_P_H + +#include "datavisualizationglobal_p.h" +#include <QAbstractItemModel> +#include <QPointer> +#include <QTimer> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QAbstractDataMapping; + +class AbstractItemModelHandler : public QObject +{ + Q_OBJECT +public: + AbstractItemModelHandler(QObject *parent = 0); + virtual ~AbstractItemModelHandler(); + + virtual void setItemModel(const QAbstractItemModel *itemModel); + virtual const QAbstractItemModel *itemModel() const; + virtual void setActiveMapping(QAbstractDataMapping *mapping); + virtual QAbstractDataMapping *activeMapping() const; + virtual void addMapping(QAbstractDataMapping *mapping); + virtual void releaseMapping(QAbstractDataMapping *mapping); + virtual QList<QAbstractDataMapping *> mappings() const; + +public slots: + virtual void handleColumnsInserted(const QModelIndex &parent, int start, int end); + virtual void handleColumnsMoved(const QModelIndex &sourceParent, int sourceStart, + int sourceEnd, const QModelIndex &destinationParent, + int destinationColumn); + virtual void handleColumnsRemoved(const QModelIndex &parent, int start, int end); + virtual void handleDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, + const QVector<int> &roles = QVector<int> ()); + virtual void handleLayoutChanged(const QList<QPersistentModelIndex> &parents = QList<QPersistentModelIndex>(), + QAbstractItemModel::LayoutChangeHint hint = QAbstractItemModel::NoLayoutChangeHint); + virtual void handleModelReset(); + virtual void handleRowsInserted(const QModelIndex &parent, int start, int end); + virtual void handleRowsMoved(const QModelIndex &sourceParent, int sourceStart, int sourceEnd, + const QModelIndex &destinationParent, int destinationRow); + virtual void handleRowsRemoved(const QModelIndex &parent, int start, int end); + + virtual void handleMappingChanged(); + virtual void handlePendingResolve(); + +protected: + virtual void resolveModel() = 0; + + QPointer<const QAbstractItemModel> m_itemModel; // Not owned + QAbstractDataMapping *m_activeMapping; + bool resolvePending; + QTimer m_resolveTimer; + QList<QAbstractDataMapping *> m_mappings; + +private: + Q_DISABLE_COPY(AbstractItemModelHandler) +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/abstractrenderitem.cpp b/src/datavisualization/data/abstractrenderitem.cpp new file mode 100644 index 00000000..22a1c6de --- /dev/null +++ b/src/datavisualization/data/abstractrenderitem.cpp @@ -0,0 +1,60 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "abstractrenderitem_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +AbstractRenderItem::AbstractRenderItem() + : m_selectionLabelItem(0) +{ +} + +AbstractRenderItem::AbstractRenderItem(const AbstractRenderItem &other) +{ + m_selectionLabel = other.m_selectionLabel; + m_translation = other.m_translation; + m_selectionLabelItem = 0; +} + +AbstractRenderItem::~AbstractRenderItem() +{ + delete m_selectionLabelItem; +} + +LabelItem &AbstractRenderItem::selectionLabelItem() +{ + if (!m_selectionLabelItem) + m_selectionLabelItem = new LabelItem; + return *m_selectionLabelItem; +} + +void AbstractRenderItem::setSelectionLabel(const QString &label) +{ + if (m_selectionLabelItem) + m_selectionLabelItem->clear(); + m_selectionLabel = label; +} + +QString &AbstractRenderItem::selectionLabel() +{ + return m_selectionLabel; +} + + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/abstractrenderitem_p.h b/src/datavisualization/data/abstractrenderitem_p.h new file mode 100644 index 00000000..5f623c41 --- /dev/null +++ b/src/datavisualization/data/abstractrenderitem_p.h @@ -0,0 +1,69 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef ABSTRACTRENDERITEM_P_H +#define ABSTRACTRENDERITEM_P_H + +#include "datavisualizationglobal_p.h" +#include "labelitem_p.h" + +#include <QOpenGLFunctions> +#include <QString> +#include <QVector3D> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class AbstractRenderItem +{ +public: + AbstractRenderItem(); + AbstractRenderItem(const AbstractRenderItem &other); + virtual ~AbstractRenderItem(); + + // Position in 3D scene + inline void setTranslation(const QVector3D &translation) { m_translation = translation; } + inline const QVector3D &translation() const {return m_translation; } + + // Selection label item (containing special selection texture, if mode is activated) + LabelItem &selectionLabelItem(); + + // Formatted selection label for item. + void setSelectionLabel(const QString &label); + QString &selectionLabel(); // Formats selection label if not previously formatted + +protected: + QString m_selectionLabel; + QVector3D m_translation; + LabelItem *m_selectionLabelItem; + + friend class QAbstractDataItem; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/baritemmodelhandler.cpp b/src/datavisualization/data/baritemmodelhandler.cpp new file mode 100644 index 00000000..f7611668 --- /dev/null +++ b/src/datavisualization/data/baritemmodelhandler.cpp @@ -0,0 +1,148 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "baritemmodelhandler_p.h" +#include "qitemmodelbardatamapping_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +BarItemModelHandler::BarItemModelHandler(QItemModelBarDataProxy *proxy, QObject *parent) + : AbstractItemModelHandler(parent), + m_proxy(proxy), + m_proxyArray(0), + m_columnCount(0) +{ +} + +BarItemModelHandler::~BarItemModelHandler() +{ +} + +// Resolve entire item model into QBarDataArray. +void BarItemModelHandler::resolveModel() +{ + QItemModelBarDataMapping *mapping = static_cast<QItemModelBarDataMapping *>(m_activeMapping); + if (m_itemModel.isNull() || !mapping) { + m_proxy->resetArray(0); + return; + } + + if (!mapping->useModelCategories() + && (mapping->rowRole().isEmpty() || mapping->columnRole().isEmpty())) { + m_proxy->resetArray(0); + return; + } + + QStringList rowLabels; + QStringList columnLabels; + + QHash<int, QByteArray> roleHash = m_itemModel->roleNames(); + + // Default to display role if no mapping + int valueRole = roleHash.key(mapping->valueRole().toLatin1(), Qt::DisplayRole); + int rowCount = m_itemModel->rowCount(); + int columnCount = m_itemModel->columnCount(); + + if (mapping->useModelCategories()) { + // If dimensions have changed, recreate the array + if (m_proxyArray != m_proxy->array() || columnCount != m_columnCount + || rowCount != m_proxyArray->size()) { + m_proxyArray = new QBarDataArray; + m_proxyArray->reserve(rowCount); + for (int i = 0; i < rowCount; i++) + m_proxyArray->append(new QBarDataRow(columnCount)); + } + for (int i = 0; i < rowCount; i++) { + QBarDataRow &newProxyRow = *m_proxyArray->at(i); + for (int j = 0; j < columnCount; j++) + newProxyRow[j].setValue(m_itemModel->index(i, j).data(valueRole).toReal()); + } + // Generate labels from headers if using model rows/columns + for (int i = 0; i < rowCount; i++) + rowLabels << m_itemModel->headerData(i, Qt::Vertical).toString(); + for (int i = 0; i < columnCount; i++) + columnLabels << m_itemModel->headerData(i, Qt::Horizontal).toString(); + m_columnCount = columnCount; + } else { + int rowRole = roleHash.key(mapping->rowRole().toLatin1()); + int columnRole = roleHash.key(mapping->columnRole().toLatin1()); + + bool generateRows = mapping->autoRowCategories(); + bool generateColumns = mapping->autoColumnCategories(); + QStringList rowList; + QStringList columnList; + // For detecting duplicates in categories generation, using QHashes should be faster than + // simple QStringList::contains() check. + QHash<QString, bool> rowListHash; + QHash<QString, bool> columnListHash; + + // Sort values into rows and columns + typedef QHash<QString, qreal> ColumnValueMap; + QHash <QString, ColumnValueMap> itemValueMap; + for (int i = 0; i < rowCount; i++) { + for (int j = 0; j < columnCount; j++) { + QModelIndex index = m_itemModel->index(i, j); + QString rowRoleStr = index.data(rowRole).toString(); + QString columnRoleStr = index.data(columnRole).toString(); + itemValueMap[rowRoleStr][columnRoleStr] = index.data(valueRole).toReal(); + if (generateRows && !rowListHash.value(rowRoleStr, false)) { + rowListHash.insert(rowRoleStr, true); + rowList << rowRoleStr; + } + if (generateColumns && !columnListHash.value(columnRoleStr, false)) { + columnListHash.insert(columnRoleStr, true); + columnList << columnRoleStr; + } + } + } + + if (generateRows) + mapping->dptr()->m_rowCategories = rowList; + else + rowList = mapping->rowCategories(); + + if (generateColumns) + mapping->dptr()->m_columnCategories = columnList; + else + columnList = mapping->columnCategories(); + + // If dimensions have changed, recreate the array + if (m_proxyArray != m_proxy->array() || columnList.size() != m_columnCount + || rowList.size() != m_proxyArray->size()) { + m_proxyArray = new QBarDataArray; + m_proxyArray->reserve(rowList.size()); + for (int i = 0; i < rowList.size(); i++) + m_proxyArray->append(new QBarDataRow(columnList.size())); + } + // Create new data array from itemValueMap + for (int i = 0; i < rowList.size(); i++) { + QString rowKey = rowList.at(i); + QBarDataRow &newProxyRow = *m_proxyArray->at(i); + for (int j = 0; j < columnList.size(); j++) + newProxyRow[j].setValue(itemValueMap[rowKey][columnList.at(j)]); + } + + rowLabels = rowList; + columnLabels = columnList; + m_columnCount = columnList.size(); + } + + m_proxy->resetArray(m_proxyArray, rowLabels, columnLabels); +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/baritemmodelhandler_p.h b/src/datavisualization/data/baritemmodelhandler_p.h new file mode 100644 index 00000000..54b45f2e --- /dev/null +++ b/src/datavisualization/data/baritemmodelhandler_p.h @@ -0,0 +1,54 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef BARITEMMODELHANDLER_P_H +#define BARITEMMODELHANDLER_P_H + +#include "abstractitemmodelhandler_p.h" +#include "qitemmodelbardataproxy.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class BarItemModelHandler : public AbstractItemModelHandler +{ + Q_OBJECT +public: + BarItemModelHandler(QItemModelBarDataProxy *proxy, QObject *parent = 0); + virtual ~BarItemModelHandler(); + +protected: + void virtual resolveModel(); + + QItemModelBarDataProxy *m_proxy; // Not owned + QBarDataArray *m_proxyArray; // Not owned + int m_columnCount; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/barrenderitem.cpp b/src/datavisualization/data/barrenderitem.cpp new file mode 100644 index 00000000..558e2f96 --- /dev/null +++ b/src/datavisualization/data/barrenderitem.cpp @@ -0,0 +1,67 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "barrenderitem_p.h" +#include "bars3drenderer_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +BarRenderItem::BarRenderItem() + : AbstractRenderItem(), + m_value(0), + m_height(0.0f), + m_sliceLabelItem(0) +{ +} + +BarRenderItem::BarRenderItem(const BarRenderItem &other) + : AbstractRenderItem(other) +{ + m_value = other.m_value; + m_position = other.m_position; + m_height = other.m_height; + m_sliceLabel = other.m_sliceLabel; + m_sliceLabelItem = 0; +} + +BarRenderItem::~BarRenderItem() +{ + delete m_sliceLabelItem; +} + +LabelItem &BarRenderItem::sliceLabelItem() +{ + if (!m_sliceLabelItem) + m_sliceLabelItem = new LabelItem; + return *m_sliceLabelItem; +} + +void BarRenderItem::setSliceLabel(const QString &label) +{ + if (m_sliceLabelItem) + m_sliceLabelItem->clear(); + m_sliceLabel = label; +} + +QString &BarRenderItem::sliceLabel() +{ + return m_sliceLabel; +} + + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/barrenderitem_p.h b/src/datavisualization/data/barrenderitem_p.h new file mode 100644 index 00000000..6cd2b0fa --- /dev/null +++ b/src/datavisualization/data/barrenderitem_p.h @@ -0,0 +1,89 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef BARRENDERITEM_P_H +#define BARRENDERITEM_P_H + +#include "abstractrenderitem_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Bars3DRenderer; + +class BarRenderItem : public AbstractRenderItem +{ +public: + BarRenderItem(); + BarRenderItem(const BarRenderItem &other); + virtual ~BarRenderItem(); + + // Position relative to data window (for bar label generation) + inline void setPosition(const QPoint &pos) { m_position = pos; } + inline const QPoint &position() const { return m_position; } + + // Actual cached data value of the bar (needed to trigger label reformats) + inline void setValue(qreal value); + inline qreal value() const { return m_value; } + + // Normalized bar height + inline void setHeight(GLfloat height) { m_height = height; } + inline GLfloat height() const { return m_height; } + + // Label item for formatted label + LabelItem &sliceLabelItem(); + + // Formatted label for item. + void setSliceLabel(const QString &label); + QString &sliceLabel(); // Formats label if not previously formatted + +protected: + qreal m_value; + QPoint m_position; // x = row, y = column + GLfloat m_height; + QString m_sliceLabel; + LabelItem *m_sliceLabelItem; + + friend class QBarDataItem; +}; + +void BarRenderItem::setValue(qreal value) +{ + m_value = value; + // Force reformatting on next access by setting label string to null string + if (!m_sliceLabel.isNull()) + setSliceLabel(QString()); + if (!m_selectionLabel.isNull()) + setSelectionLabel(QString()); +} + +typedef QVector<BarRenderItem> BarRenderItemRow; +typedef QVector<BarRenderItemRow> BarRenderItemArray; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/data.pri b/src/datavisualization/data/data.pri new file mode 100644 index 00000000..770d2bd1 --- /dev/null +++ b/src/datavisualization/data/data.pri @@ -0,0 +1,64 @@ +HEADERS += \ + $$PWD/labelitem_p.h \ + $$PWD/qabstractdataproxy.h \ + $$PWD/qabstractdataproxy_p.h \ + $$PWD/qbardataproxy.h \ + $$PWD/qbardataproxy_p.h \ + $$PWD/abstractrenderitem_p.h \ + $$PWD/barrenderitem_p.h \ + $$PWD/qbardataitem.h \ + $$PWD/qbardataitem_p.h \ + $$PWD/qitemmodelbardatamapping.h \ + $$PWD/qitemmodelbardatamapping_p.h \ + $$PWD/qitemmodelbardataproxy_p.h \ + $$PWD/qitemmodelbardataproxy.h \ + $$PWD/scatterrenderitem_p.h \ + $$PWD/qscatterdataitem.h \ + $$PWD/qscatterdataitem_p.h \ + $$PWD/qscatterdataproxy.h \ + $$PWD/qscatterdataproxy_p.h \ + $$PWD/qitemmodelscatterdatamapping.h \ + $$PWD/qitemmodelscatterdatamapping_p.h \ + $$PWD/qitemmodelscatterdataproxy.h \ + $$PWD/qitemmodelscatterdataproxy_p.h \ + $$PWD/abstractitemmodelhandler_p.h \ + $$PWD/baritemmodelhandler_p.h \ + $$PWD/qabstractdatamapping.h \ + $$PWD/qabstractdatamapping_p.h \ + $$PWD/scatteritemmodelhandler_p.h \ + $$PWD/qsurfacedataproxy.h \ + $$PWD/qsurfacedataproxy_p.h \ + $$PWD/qheightmapsurfacedataproxy.h \ + $$PWD/qheightmapsurfacedataproxy_p.h \ + $$PWD/qitemmodelsurfacedatamapping.h \ + $$PWD/qitemmodelsurfacedatamapping_p.h \ + $$PWD/qitemmodelsurfacedataproxy.h \ + $$PWD/qitemmodelsurfacedataproxy_p.h \ + $$PWD/surfaceitemmodelhandler_p.h \ + $$PWD/qsurfacedataitem.h \ + $$PWD/qsurfacedataitem_p.h + +SOURCES += \ + $$PWD/labelitem.cpp \ + $$PWD/qabstractdataproxy.cpp \ + $$PWD/qbardataproxy.cpp \ + $$PWD/abstractrenderitem.cpp \ + $$PWD/barrenderitem.cpp \ + $$PWD/qbardataitem.cpp \ + $$PWD/qitemmodelbardatamapping.cpp \ + $$PWD/qitemmodelbardataproxy.cpp \ + $$PWD/scatterrenderitem.cpp \ + $$PWD/qscatterdataitem.cpp \ + $$PWD/qscatterdataproxy.cpp \ + $$PWD/qitemmodelscatterdatamapping.cpp \ + $$PWD/qitemmodelscatterdataproxy.cpp \ + $$PWD/abstractitemmodelhandler.cpp \ + $$PWD/baritemmodelhandler.cpp \ + $$PWD/qabstractdatamapping.cpp \ + $$PWD/scatteritemmodelhandler.cpp \ + $$PWD/qsurfacedataproxy.cpp \ + $$PWD/qheightmapsurfacedataproxy.cpp \ + $$PWD/qitemmodelsurfacedatamapping.cpp \ + $$PWD/qitemmodelsurfacedataproxy.cpp \ + $$PWD/surfaceitemmodelhandler.cpp \ + $$PWD/qsurfacedataitem.cpp diff --git a/src/datavisualization/data/labelitem.cpp b/src/datavisualization/data/labelitem.cpp new file mode 100644 index 00000000..5e27a50e --- /dev/null +++ b/src/datavisualization/data/labelitem.cpp @@ -0,0 +1,64 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "labelitem_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +LabelItem::LabelItem() + : m_size(QSize(0, 0)), + m_textureId(0) +{ +} + +LabelItem::~LabelItem() +{ + glDeleteTextures(1, &m_textureId); +} + +void LabelItem::setSize(const QSize &size) +{ + m_size = size; +} + +QSize LabelItem::size() const +{ + return m_size; +} + +void LabelItem::setTextureId(GLuint textureId) +{ + glDeleteTextures(1, &m_textureId); + m_textureId = textureId; +} + +GLuint LabelItem::textureId() const +{ + return m_textureId; +} + +void LabelItem::clear() +{ + if (m_textureId) { + glDeleteTextures(1, &m_textureId); + m_textureId = 0; + } + m_size = QSize(0, 0); +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/labelitem_p.h b/src/datavisualization/data/labelitem_p.h new file mode 100644 index 00000000..c10c1f12 --- /dev/null +++ b/src/datavisualization/data/labelitem_p.h @@ -0,0 +1,59 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef LABELITEM_P_H +#define LABELITEM_P_H + +#include "datavisualizationglobal_p.h" +#include <QOpenGLFunctions> +#include <QSize> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class LabelItem +{ +public: + explicit LabelItem(); + ~LabelItem(); + + void setSize(const QSize &size); + QSize size() const; + void setTextureId(GLuint textureId); + GLuint textureId() const; + void clear(); + +private: + Q_DISABLE_COPY(LabelItem); + + QSize m_size; + GLuint m_textureId; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qabstractdatamapping.cpp b/src/datavisualization/data/qabstractdatamapping.cpp new file mode 100644 index 00000000..892d2f94 --- /dev/null +++ b/src/datavisualization/data/qabstractdatamapping.cpp @@ -0,0 +1,71 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "qabstractdatamapping_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class QAbstractDataMapping + * \inmodule QtDataVisualization + * \brief Abstract base class for QtDataVisualization data mapping classes. + * \since 1.0.0 + * + * Data mapping classes provide a way to map data from an external data source to one of + * QtDataVisualization data proxies. + * \sa QItemModelBarDataMapping, QItemModelScatterDataMapping + */ + +/*! + * \internal + */ +QAbstractDataMapping::QAbstractDataMapping(QAbstractDataMappingPrivate *d, QObject *parent) + : QObject(parent), + d_ptr(d) +{ +} + +/*! + * Destroys QAbstractDataMapping. + */ +QAbstractDataMapping::~QAbstractDataMapping() +{ +} + +/*! + * \fn void QAbstractDataMapping::mappingChanged() + * + * Emitted when any mapping has changed. + */ + +// QItemModelBarDataMappingPrivate + +QAbstractDataMappingPrivate::QAbstractDataMappingPrivate(QAbstractDataMapping *q, + QAbstractDataProxy::DataType type) + : QObject(0), + q_ptr(q), + m_type(type) +{ +} + +QAbstractDataMappingPrivate::~QAbstractDataMappingPrivate() +{ +} + +QT_DATAVISUALIZATION_END_NAMESPACE + diff --git a/src/datavisualization/data/qabstractdatamapping.h b/src/datavisualization/data/qabstractdatamapping.h new file mode 100644 index 00000000..eb892cb7 --- /dev/null +++ b/src/datavisualization/data/qabstractdatamapping.h @@ -0,0 +1,53 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QABSTRACTDATAMAPPING_H +#define QABSTRACTDATAMAPPING_H + +#include <QtDataVisualization/qdatavisualizationenums.h> +#include <QtDataVisualization/qabstractdataproxy.h> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QAbstractDataMappingPrivate; + +class QT_DATAVISUALIZATION_EXPORT QAbstractDataMapping : public QObject +{ + Q_OBJECT + +public: + explicit QAbstractDataMapping(QAbstractDataMappingPrivate *d, QObject *parent = 0); + virtual ~QAbstractDataMapping(); + +signals: + void mappingChanged(); + +private: + QScopedPointer<QAbstractDataMappingPrivate> d_ptr; + + Q_DISABLE_COPY(QAbstractDataMapping) + + friend class QItemModelBarDataMapping; + friend class QItemModelScatterDataMapping; + friend class QItemModelSurfaceDataMapping; +}; + + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qabstractdatamapping_p.h b/src/datavisualization/data/qabstractdatamapping_p.h new file mode 100644 index 00000000..39012237 --- /dev/null +++ b/src/datavisualization/data/qabstractdatamapping_p.h @@ -0,0 +1,50 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#include "qabstractdatamapping.h" + +#ifndef QABSTRACTDATAMAPPING_P_H +#define QABSTRACTDATAMAPPING_P_H + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QAbstractDataMappingPrivate : public QObject +{ + Q_OBJECT +public: + QAbstractDataMappingPrivate(QAbstractDataMapping *q, QAbstractDataProxy::DataType type); + virtual ~QAbstractDataMappingPrivate(); + +private: + QAbstractDataMapping *q_ptr; + QAbstractDataProxy::DataType m_type; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qabstractdataproxy.cpp b/src/datavisualization/data/qabstractdataproxy.cpp new file mode 100644 index 00000000..8ccb0d7a --- /dev/null +++ b/src/datavisualization/data/qabstractdataproxy.cpp @@ -0,0 +1,148 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "qabstractdataproxy.h" +#include "qabstractdataproxy_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class QAbstractDataProxy + * \inmodule QtDataVisualization + * \brief Base class for all QtDataVisualization data proxies. + * \since 1.0.0 + * + * You use the visualization type specific inherited classes instead of the base class. + * \sa QBarDataProxy, QScatterDataProxy, QSurfaceDataProxy, {Qt Data Visualization Data Handling} + */ + +/*! + * \qmltype AbstractDataProxy + * \inqmlmodule com.digia.QtDataVisualization 1.0 + * \since com.digia.QtDataVisualization 1.0 + * \ingroup datavisualization_qml + * \instantiates QAbstractDataProxy + * \brief Base type for all QtDataVisualization data proxies. + * + * This type is uncreatable, but contains properties that are exposed via subtypes. + * \sa BarDataProxy, ScatterDataProxy, SurfaceDataProxy, {Qt Data Visualization Data Handling} + */ + +/*! + * \qmlproperty AbstractDataProxy.DataType AbstractDataProxy::type + * The type of the proxy. + */ + +/*! + * \qmlproperty string AbstractDataProxy::itemLabelFormat + * + * Label format for data items in this proxy. This format is used for single item labels, + * e.g. when an item is selected. How the format is interpreted depends on proxy type. See + * each proxy class documentation for more information. + */ + +/*! + * \enum QAbstractDataProxy::DataType + * + * Data type of the proxy. + * + * \value DataTypeNone + * No data type. + * \value DataTypeBar + * Data type for Q3DBars. + * \value DataTypeScatter + * Data type for Q3DScatter. + * \value DataTypeSurface + * Data type for Q3DSurface. + */ + +/*! + * \internal + */ +QAbstractDataProxy::QAbstractDataProxy(QAbstractDataProxyPrivate *d, QObject *parent) : + QObject(parent), + d_ptr(d) +{ +} + +/*! + * Destroys QAbstractDataProxy. + */ +QAbstractDataProxy::~QAbstractDataProxy() +{ +} + +/*! + * \property QAbstractDataProxy::type + * + * The type of the proxy. + */ +QAbstractDataProxy::DataType QAbstractDataProxy::type() const +{ + return d_ptr->m_type; +} + +/*! + * \property QAbstractDataProxy::itemLabelFormat + * + * Sets label \a format for data items in this proxy. This format is used for single item labels, + * e.g. when an item is selected. How the format is interpreted depends on proxy type. See + * each proxy class documentation for more information. + * + * \sa QBarDataProxy, QScatterDataProxy, QSurfaceDataProxy + */ +void QAbstractDataProxy::setItemLabelFormat(const QString &format) +{ + d_ptr->setItemLabelFormat(format); + emit itemLabelFormatChanged(); +} + +/*! + * \return label format for data items in this proxy. + */ +QString QAbstractDataProxy::itemLabelFormat() const +{ + return d_ptr->m_itemLabelFormat; +} + +/*! + * \fn void QAbstractDataProxy::itemLabelFormatChanged() + * + * Emitted when label format changes. + */ + +// QAbstractDataProxyPrivate + +QAbstractDataProxyPrivate::QAbstractDataProxyPrivate(QAbstractDataProxy *q, QAbstractDataProxy::DataType type) + : QObject(0), + q_ptr(q), + m_type(type), + m_isDefaultProxy(false) +{ +} + +QAbstractDataProxyPrivate::~QAbstractDataProxyPrivate() +{ +} + +void QAbstractDataProxyPrivate::setItemLabelFormat(const QString &format) +{ + m_itemLabelFormat = format; +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/qabstractdataproxy.h b/src/datavisualization/data/qabstractdataproxy.h new file mode 100644 index 00000000..db0e0863 --- /dev/null +++ b/src/datavisualization/data/qabstractdataproxy.h @@ -0,0 +1,73 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QABSTRACTDATAPROXY_H +#define QABSTRACTDATAPROXY_H + +#include <QtDataVisualization/qdatavisualizationenums.h> +#include <QObject> +#include <QScopedPointer> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QAbstractDataProxyPrivate; + +class QT_DATAVISUALIZATION_EXPORT QAbstractDataProxy : public QObject +{ + Q_OBJECT + Q_ENUMS(DataType) + Q_PROPERTY(DataType type READ type) + Q_PROPERTY(QString itemLabelFormat READ itemLabelFormat WRITE setItemLabelFormat NOTIFY itemLabelFormatChanged) + +public: + enum DataType { + DataTypeNone = 0, + DataTypeBar = 1, + DataTypeScatter = 2, + DataTypeSurface = 4 + }; + +protected: + explicit QAbstractDataProxy(QAbstractDataProxyPrivate *d, QObject *parent = 0); + +public: + virtual ~QAbstractDataProxy(); + + DataType type() const; + + void setItemLabelFormat(const QString &format); + QString itemLabelFormat() const; + +signals: + void itemLabelFormatChanged(); + +protected: + QScopedPointer<QAbstractDataProxyPrivate> d_ptr; + +private: + Q_DISABLE_COPY(QAbstractDataProxy) + + friend class Abstract3DController; + friend class Bars3DController; + friend class Scatter3DController; + friend class Surface3DController; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QABSTRACTDATAPROXY_H diff --git a/src/datavisualization/data/qabstractdataproxy_p.h b/src/datavisualization/data/qabstractdataproxy_p.h new file mode 100644 index 00000000..4aa1b678 --- /dev/null +++ b/src/datavisualization/data/qabstractdataproxy_p.h @@ -0,0 +1,62 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#include "datavisualizationglobal_p.h" +#include "qabstractdataproxy.h" +#include <QString> + +#ifndef QABSTRACTDATAPROXY_P_H +#define QABSTRACTDATAPROXY_P_H + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QAbstractDataProxyPrivate : public QObject +{ + Q_OBJECT +public: + QAbstractDataProxyPrivate(QAbstractDataProxy *q, QAbstractDataProxy::DataType type); + virtual ~QAbstractDataProxyPrivate(); + + void setItemLabelFormat(const QString &format); + + inline bool isDefaultProxy() { return m_isDefaultProxy; } + inline void setDefaultProxy(bool isDefault) { m_isDefaultProxy = isDefault; } + +protected: + QAbstractDataProxy *q_ptr; + QAbstractDataProxy::DataType m_type; + QString m_itemLabelFormat; + bool m_isDefaultProxy; + +private: + friend class QAbstractDataProxy; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QABSTRACTDATAPROXY_P_H diff --git a/src/datavisualization/data/qbardataitem.cpp b/src/datavisualization/data/qbardataitem.cpp new file mode 100644 index 00000000..2803c01a --- /dev/null +++ b/src/datavisualization/data/qbardataitem.cpp @@ -0,0 +1,110 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "qbardataitem_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class QBarDataItem + * \inmodule QtDataVisualization + * \brief The QBarDataItem class provides a container for resolved data to be added to bar graphs. + * \since 1.0.0 + * + * A QBarDataItem holds data for a single rendered bar in a graph. + * Bar data proxies parse data into QBarDataItem instances for visualizing. + * + * \sa QBarDataProxy, {Qt Data Visualization C++ Classes} + */ + +/*! + * Constructs QBarDataItem. + */ +QBarDataItem::QBarDataItem() + : d_ptr(0), // private data doesn't exist by default (optimization) + m_value(0.0) +{ +} + +/*! + * Constructs QBarDataItem with \a value. + */ +QBarDataItem::QBarDataItem(qreal value) + : d_ptr(0), + m_value(value) +{ +} + +/*! + * Constructs a copy of \a other. + */ +QBarDataItem::QBarDataItem(const QBarDataItem &other) +{ + operator=(other); +} + +/*! + * Destroys QBarDataItem. + */ +QBarDataItem::~QBarDataItem() +{ + delete d_ptr; +} + +/*! + * Assigns a copy of \a other to this object. + */ +QBarDataItem &QBarDataItem::operator=(const QBarDataItem &other) +{ + m_value = other.m_value; + if (other.d_ptr) + createExtraData(); + else + d_ptr = 0; + // TODO set extra data + return *this; +} + +/*! + * \fn void QBarDataItem::setValue(qreal value) + * Sets \a value to this data item. + */ + +/*! + * \fn qreal QBarDataItem::value() const + * \return value of this data item. + */ + +/*! + * \internal + */ +void QBarDataItem::createExtraData() +{ + if (!d_ptr) + d_ptr = new QBarDataItemPrivate; +} + +QBarDataItemPrivate::QBarDataItemPrivate() +{ +} + +QBarDataItemPrivate::~QBarDataItemPrivate() +{ +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/qbardataitem.h b/src/datavisualization/data/qbardataitem.h new file mode 100644 index 00000000..68bbcedf --- /dev/null +++ b/src/datavisualization/data/qbardataitem.h @@ -0,0 +1,54 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QBARDATAITEM_H +#define QBARDATAITEM_H + +#include <QtDataVisualization/qdatavisualizationenums.h> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QBarDataItemPrivate; + +class QT_DATAVISUALIZATION_EXPORT QBarDataItem +{ +public: + QBarDataItem(); + QBarDataItem(qreal value); + QBarDataItem(const QBarDataItem &other); + ~QBarDataItem(); + + QBarDataItem &operator=(const QBarDataItem &other); + + void setValue(qreal value) { m_value = value; } + qreal value() const { return m_value; } + + // TODO Set color, label format, ...? + +protected: + virtual void createExtraData(); + + QBarDataItemPrivate *d_ptr; + +private: + qreal m_value; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qbardataitem_p.h b/src/datavisualization/data/qbardataitem_p.h new file mode 100644 index 00000000..20b7ea69 --- /dev/null +++ b/src/datavisualization/data/qbardataitem_p.h @@ -0,0 +1,51 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef QBARDATAITEM_P_H +#define QBARDATAITEM_P_H + +#include "datavisualizationglobal_p.h" +#include "qbardataitem.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QBarDataItemPrivate +{ +public: + QBarDataItemPrivate(); + virtual ~QBarDataItemPrivate(); + + // TODO stores other data for bars besides value + +protected: + friend class QBarDataItem; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qbardataproxy.cpp b/src/datavisualization/data/qbardataproxy.cpp new file mode 100644 index 00000000..2ec38980 --- /dev/null +++ b/src/datavisualization/data/qbardataproxy.cpp @@ -0,0 +1,707 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "qbardataproxy.h" +#include "qbardataproxy_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class QBarDataProxy + * \inmodule QtDataVisualization + * \brief Base proxy class for Q3DBars. + * \since 1.0.0 + * + * QBarDataProxy handles adding, inserting, changing and removing rows of data. + * + * The data array is a list of vectors (rows) of QBarDataItem instances. + * Each row can contain different amount of items or even be null. + * + * QBarDataProxy takes ownership of all QBarDataRows passed to it, whether directly or + * in a QBarDataArray container. + * If you use QBarDataRow pointers to directly modify data after adding the array to the proxy, + * you must also emit proper signal to make the graph update. + * + * QBarDataProxy optionally keeps track of row and column labels, which Q3DCategoryAxis can utilize + * to show axis labels. The row and column labels are stored in separate array from the data and + * row manipulation methods provide an alternate versions that don't affect the row labels. + * This enables the option of having row labels that relate to the position of the data in the + * array rather than the data itself. + * + * QBarDataProxy supports the following format tags for QAbstractDataProxy::setItemLabelFormat(): + * \table + * \row + * \li @rowTitle \li Title from row axis + * \row + * \li @colTitle \li Title from column axis + * \row + * \li @valueTitle \li Title from value axis + * \row + * \li @rowIdx \li Visible row index + * \row + * \li @colIdx \li Visible Column index + * \row + * \li @rowLabel \li Label from row axis + * \row + * \li @colLabel \li Label from column axis + * \row + * \li @valueLabel \li Item value formatted using the same format the value axis attached to the graph uses, + * see \l{Q3DValueAxis::setLabelFormat()} for more information. + * \row + * \li %<format spec> \li Item value in specified format. + * \endtable + * + * For example: + * \snippet doc_src_qtdatavisualization.cpp 1 + * + * \sa {Qt Data Visualization Data Handling} + */ + +/*! + * \qmltype BarDataProxy + * \inqmlmodule com.digia.QtDataVisualization 1.0 + * \since com.digia.QtDataVisualization 1.0 + * \ingroup datavisualization_qml + * \instantiates QBarDataProxy + * \inherits AbstractDataProxy + * \brief Base proxy type for Bars3D. + * + * This type handles adding, inserting, changing and removing rows of data with Qt Quick 2. + * + * This type is uncreatable, but contains properties that are exposed via subtypes. + * + * For more complete description, see QBarDataProxy. + * + * \sa ItemModelBarDataProxy, {Qt Data Visualization Data Handling} + */ + +/*! + * \qmlproperty int BarDataProxy::rowCount + * Row count in the array. + */ + +/*! + * \qmlproperty list BarDataProxy::rowLabels + * + * Optional row labels for the array. Indexes in this array match row indexes in data array. + * If the list is shorter than row count, all rows will not get labels. + */ + +/*! + * \qmlproperty list BarDataProxy::columnLabels + * + * Optional column labels for the array. Indexes in this array match column indexes in rows. + * If the list is shorter than the longest row, all columns will not get labels. + */ + +/*! + * Constructs QBarDataProxy with the given \a parent. + */ +QBarDataProxy::QBarDataProxy(QObject *parent) : + QAbstractDataProxy(new QBarDataProxyPrivate(this), parent) +{ +} + +/*! + * \internal + */ +QBarDataProxy::QBarDataProxy(QBarDataProxyPrivate *d, QObject *parent) : + QAbstractDataProxy(d, parent) +{ +} + +/*! + * Destroys QBarDataProxy. + */ +QBarDataProxy::~QBarDataProxy() +{ +} + +/*! + * Clears the existing array and row and column labels. + */ +void QBarDataProxy::resetArray() +{ + resetArray(0, QStringList(), QStringList()); +} + +/*! + * Takes ownership of the \a newArray. Clears the existing array and if the \a newArray is + * different than the existing array. If it's the same array, this just triggers arrayReset() + * signal. + * Passing null array deletes the old array and creates a new empty array. + * Row and column labels are not affected. + */ +void QBarDataProxy::resetArray(QBarDataArray *newArray) +{ + dptr()->resetArray(newArray, 0, 0); + emit arrayReset(); +} + +/*! + * Takes ownership of the \a newArray. Clears the existing array and if the \a newArray is + * different than the existing array. If it's the same array, this just triggers arrayReset() + * signal. + * Passing null array deletes the old array and creates a new empty array. + * The \a rowLabels and \a columnLabels lists specify the new labels for rows and columns. + */ +void QBarDataProxy::resetArray(QBarDataArray *newArray, const QStringList &rowLabels, + const QStringList &columnLabels) +{ + dptr()->resetArray(newArray, &rowLabels, &columnLabels); + emit arrayReset(); +} + +/*! + * Changes existing rows by replacing a row at \a rowIndex with \a row. The \a row can be + * the same as the existing row already stored at the \a rowIndex. + * Existing row labels are not affected. + */ +void QBarDataProxy::setRow(int rowIndex, QBarDataRow *row) +{ + dptr()->setRow(rowIndex, row, 0); + emit rowsChanged(rowIndex, 1); +} + +/*! + * Changes existing rows by replacing a row at \a rowIndex with \a row. The \a row can be + * the same as the existing row already stored at the \a rowIndex. + * Changes the row label to the \a label. + */ +void QBarDataProxy::setRow(int rowIndex, QBarDataRow *row, const QString &label) +{ + dptr()->setRow(rowIndex, row, &label); + emit rowsChanged(rowIndex, 1); +} + +/*! + * Changes existing rows by replacing a rows starting at \a rowIndex with \a rows. + * Existing row labels are not affected. The rows in the \a rows array can be + * the same as the existing rows already stored at the \a rowIndex. + */ +void QBarDataProxy::setRows(int rowIndex, const QBarDataArray &rows) +{ + dptr()->setRows(rowIndex, rows, 0); + emit rowsChanged(rowIndex, rows.size()); +} + +/*! + * Changes existing rows by replacing a rows starting at \a rowIndex with \a rows. + * The row labels are changed to \a labels. The rows in the \a rows array can be + * the same as the existing rows already stored at the \a rowIndex. + */ +void QBarDataProxy::setRows(int rowIndex, const QBarDataArray &rows, const QStringList &labels) +{ + dptr()->setRows(rowIndex, rows, &labels); + emit rowsChanged(rowIndex, rows.size()); +} + +/*! + * Changes a single item at \a rowIndex, \a columnIndex to the \a item. + */ +void QBarDataProxy::setItem(int rowIndex, int columnIndex, const QBarDataItem &item) +{ + dptr()->setItem(rowIndex, columnIndex, item); + emit itemChanged(rowIndex, columnIndex); +} + +/*! + * Adds a new \a row to the end of array. + * Existing row labels are not affected. + * + * \return index of the added row. + */ +int QBarDataProxy::addRow(QBarDataRow *row) +{ + int addIndex = dptr()->addRow(row, 0); + emit rowsAdded(addIndex, 1); + return addIndex; +} + +/*! + * Adds a new \a row with the \a label to the end of array. + * + * \return index of the added row. + */ +int QBarDataProxy::addRow(QBarDataRow *row, const QString &label) +{ + int addIndex = dptr()->addRow(row, &label); + emit rowsAdded(addIndex, 1); + return addIndex; +} + +/*! + * Adds new \a rows to the end of array. + * Existing row labels are not affected. + * + * \return index of the first added row. + */ +int QBarDataProxy::addRows(const QBarDataArray &rows) +{ + int addIndex = dptr()->addRows(rows, 0); + emit rowsAdded(addIndex, rows.size()); + return addIndex; +} + +/*! + * Adds new \a rows with \a labels to the end of array. + * + * \return index of the first added row. + */ +int QBarDataProxy::addRows(const QBarDataArray &rows, const QStringList &labels) +{ + int addIndex = dptr()->addRows(rows, &labels); + emit rowsAdded(addIndex, rows.size()); + return addIndex; +} + +/*! + * Inserts a new \a row into \a rowIndex. + * If rowIndex is equal to array size, rows are added to end of the array. + * Any existing row labels are not affected. + * \note Row labels array will be out of sync with row array after this call, + * if there were labeled rows beyond the inserted row. + */ +void QBarDataProxy::insertRow(int rowIndex, QBarDataRow *row) +{ + dptr()->insertRow(rowIndex, row, 0); + emit rowsInserted(rowIndex, 1); +} + +/*! + * Inserts a new \a row with the \a label into \a rowIndex. + * If rowIndex is equal to array size, rows are added to end of the array. + */ +void QBarDataProxy::insertRow(int rowIndex, QBarDataRow *row, const QString &label) +{ + dptr()->insertRow(rowIndex, row, &label); + emit rowsInserted(rowIndex, 1); +} + +/*! + * Inserts new \a rows into \a rowIndex. + * If rowIndex is equal to array size, rows are added to end of the array. + * Any existing row labels are not affected. + * \note Row labels array will be out of sync with row array after this call, + * if there were labeled rows beyond the inserted rows. + */ +void QBarDataProxy::insertRows(int rowIndex, const QBarDataArray &rows) +{ + dptr()->insertRows(rowIndex, rows, 0); + emit rowsInserted(rowIndex, rows.size()); +} + +/*! + * Inserts new \a rows with \a labels into \a rowIndex. + * If rowIndex is equal to array size, rows are added to end of the array. + */ +void QBarDataProxy::insertRows(int rowIndex, const QBarDataArray &rows, const QStringList &labels) +{ + dptr()->insertRows(rowIndex, rows, &labels); + emit rowsInserted(rowIndex, rows.size()); +} + +/*! + * Removes \a removeCount rows staring at \a rowIndex. Attempting to remove rows past the end of the + * array does nothing. If \a removeLabels is true, corresponding row labels are also removed. Otherwise + * the row labels are not affected. + * \note If \a removeLabels is false, the row labels array will be out of sync with the row array + * if there are labeled rows beyond the removed rows. + */ +void QBarDataProxy::removeRows(int rowIndex, int removeCount, bool removeLabels) +{ + if (rowIndex < rowCount() && removeCount >= 1) { + dptr()->removeRows(rowIndex, removeCount, removeLabels); + emit rowsRemoved(rowIndex, removeCount); + } +} + +/*! + * \property QBarDataProxy::rowCount + * + * Row count in the array. + */ +int QBarDataProxy::rowCount() const +{ + return dptrc()->m_dataArray->size(); +} + +/*! + * \property QBarDataProxy::rowLabels + * + * Optional row labels for the array. Indexes in this array match row indexes in data array. + * If the list is shorter than row count, all rows will not get labels. + */ +QStringList QBarDataProxy::rowLabels() const +{ + return dptrc()->m_rowLabels; +} + +void QBarDataProxy::setRowLabels(const QStringList &labels) +{ + if (dptr()->m_rowLabels != labels) { + dptr()->m_rowLabels = labels; + emit rowLabelsChanged(); + } +} + +/*! + * \property QBarDataProxy::columnLabels + * + * Optional column labels for the array. Indexes in this array match column indexes in rows. + * If the list is shorter than the longest row, all columns will not get labels. + */ +QStringList QBarDataProxy::columnLabels() const +{ + return dptrc()->m_columnLabels; +} + +void QBarDataProxy::setColumnLabels(const QStringList &labels) +{ + if (dptr()->m_columnLabels != labels) { + dptr()->m_columnLabels = labels; + emit columnLabelsChanged(); + } +} + +/*! + * \return pointer to the data array. + */ +const QBarDataArray *QBarDataProxy::array() const +{ + return dptrc()->m_dataArray; +} + +/*! + * \return pointer to the row at \a rowIndex. It is guaranteed to be valid only until next call + * that modifies data. + */ +const QBarDataRow *QBarDataProxy::rowAt(int rowIndex) const +{ + const QBarDataArray &dataArray = *dptrc()->m_dataArray; + Q_ASSERT(rowIndex >= 0 && rowIndex < dataArray.size()); + return dataArray[rowIndex]; +} + +/*! + * \return pointer to the item at \a rowIndex, \a columnIndex. It is guaranteed to be valid only + * until next call that modifies data. + */ +const QBarDataItem *QBarDataProxy::itemAt(int rowIndex, int columnIndex) const +{ + const QBarDataArray &dataArray = *dptrc()->m_dataArray; + Q_ASSERT(rowIndex >= 0 && rowIndex < dataArray.size()); + const QBarDataRow &dataRow = *dataArray[rowIndex]; + Q_ASSERT(columnIndex >= 0 && columnIndex < dataRow.size()); + return &dataRow.at(columnIndex); +} + +/*! + * \internal + */ +QBarDataProxyPrivate *QBarDataProxy::dptr() +{ + return static_cast<QBarDataProxyPrivate *>(d_ptr.data()); +} + +/*! + * \internal + */ +const QBarDataProxyPrivate *QBarDataProxy::dptrc() const +{ + return static_cast<const QBarDataProxyPrivate *>(d_ptr.data()); +} + +/*! + * \fn void QBarDataProxy::arrayReset() + * + * Emitted when data array is reset. + * If you change the whole array contents without calling resetArray(), you need to + * emit this signal yourself or the graph won't get updated. + */ + +/*! + * \fn void QBarDataProxy::rowsAdded(int startIndex, int count) + * + * Emitted when rows have been added. Provides \a startIndex and \a count of rows added. + * If you add rows directly to the array without calling addRow() or addRows(), you + * need to emit this signal yourself or the graph won't get updated. + */ + +/*! + * \fn void QBarDataProxy::rowsChanged(int startIndex, int count) + * + * Emitted when rows have changed. Provides \a startIndex and \a count of changed rows. + * If you change rows directly in the array without calling setRow() or setRows(), you + * need to emit this signal yourself or the graph won't get updated. + */ + +/*! + * \fn void QBarDataProxy::rowsRemoved(int startIndex, int count) + * + * Emitted when rows have been removed. Provides \a startIndex and \a count of rows removed. + * Index is the current array size if rows were removed from the end of the array. + * If you remove rows directly from the array without calling removeRows(), you + * need to emit this signal yourself or the graph won't get updated. + */ + +/*! + * \fn void QBarDataProxy::rowsInserted(int startIndex, int count) + * + * Emitted when rows have been inserted. Provides \a startIndex and \a count of inserted rows. + * If you insert rows directly into the array without calling insertRow() or insertRows(), you + * need to emit this signal yourself or the graph won't get updated. + */ + +/*! + * \fn void QBarDataProxy::itemChanged(int rowIndex, int columnIndex) + * + * Emitted when an item has changed. Provides \a rowIndex and \a columnIndex of changed item. + * If you change an item directly in the array without calling setItem(), you + * need to emit this signal yourself or the graph won't get updated. + */ + +// QBarDataProxyPrivate + +QBarDataProxyPrivate::QBarDataProxyPrivate(QBarDataProxy *q) + : QAbstractDataProxyPrivate(q, QAbstractDataProxy::DataTypeBar), + m_dataArray(new QBarDataArray) +{ + m_itemLabelFormat = QStringLiteral("@valueTitle: @valueLabel"); +} + +QBarDataProxyPrivate::~QBarDataProxyPrivate() +{ + clearArray(); +} + +void QBarDataProxyPrivate::resetArray(QBarDataArray *newArray, const QStringList *rowLabels, + const QStringList *columnLabels) +{ + if (rowLabels) + qptr()->setRowLabels(*rowLabels); + if (columnLabels) + qptr()->setColumnLabels(*columnLabels); + + if (!newArray) + newArray = new QBarDataArray; + + if (newArray != m_dataArray) { + clearArray(); + m_dataArray = newArray; + } +} + +void QBarDataProxyPrivate::setRow(int rowIndex, QBarDataRow *row, const QString *label) +{ + Q_ASSERT(rowIndex >= 0 && rowIndex < m_dataArray->size()); + + if (label) + fixRowLabels(rowIndex, 1, QStringList(*label), false); + if (row != m_dataArray->at(rowIndex)) { + clearRow(rowIndex); + (*m_dataArray)[rowIndex] = row; + } +} + +void QBarDataProxyPrivate::setRows(int rowIndex, const QBarDataArray &rows, const QStringList *labels) +{ + QBarDataArray &dataArray = *m_dataArray; + Q_ASSERT(rowIndex >= 0 && (rowIndex + rows.size()) <= dataArray.size()); + if (labels) + fixRowLabels(rowIndex, rows.size(), *labels, false); + for (int i = 0; i < rows.size(); i++) { + if (rows.at(i) != dataArray.at(rowIndex)) { + clearRow(rowIndex); + dataArray[rowIndex] = rows.at(i); + } + rowIndex++; + } +} + +void QBarDataProxyPrivate::setItem(int rowIndex, int columnIndex, const QBarDataItem &item) +{ + Q_ASSERT(rowIndex >= 0 && rowIndex < m_dataArray->size()); + QBarDataRow &row = *(*m_dataArray)[rowIndex]; + Q_ASSERT(columnIndex < row.size()); + row[columnIndex] = item; +} + +int QBarDataProxyPrivate::addRow(QBarDataRow *row, const QString *label) +{ + int currentSize = m_dataArray->size(); + if (label) + fixRowLabels(currentSize, 1, QStringList(*label), false); + m_dataArray->append(row); + return currentSize; +} + +int QBarDataProxyPrivate::addRows(const QBarDataArray &rows, const QStringList *labels) +{ + int currentSize = m_dataArray->size(); + if (labels) + fixRowLabels(currentSize, rows.size(), *labels, false); + for (int i = 0; i < rows.size(); i++) + m_dataArray->append(rows.at(i)); + return currentSize; +} + +void QBarDataProxyPrivate::insertRow(int rowIndex, QBarDataRow *row, const QString *label) +{ + Q_ASSERT(rowIndex >= 0 && rowIndex <= m_dataArray->size()); + if (label) + fixRowLabels(rowIndex, 1, QStringList(*label), true); + m_dataArray->insert(rowIndex, row); +} + +void QBarDataProxyPrivate::insertRows(int rowIndex, const QBarDataArray &rows, const QStringList *labels) +{ + Q_ASSERT(rowIndex >= 0 && rowIndex <= m_dataArray->size()); + if (labels) + fixRowLabels(rowIndex, rows.size(), *labels, true); + for (int i = 0; i < rows.size(); i++) + m_dataArray->insert(rowIndex++, rows.at(i)); +} + +void QBarDataProxyPrivate::removeRows(int rowIndex, int removeCount, bool removeLabels) +{ + Q_ASSERT(rowIndex >= 0); + int maxRemoveCount = m_dataArray->size() - rowIndex; + removeCount = qMin(removeCount, maxRemoveCount); + bool labelsChanged = false; + for (int i = 0; i < removeCount; i++) { + clearRow(rowIndex); + m_dataArray->removeAt(rowIndex); + if (removeLabels && m_rowLabels.size() > rowIndex) { + m_rowLabels.removeAt(rowIndex); + labelsChanged = true; + } + } + if (labelsChanged) + emit qptr()->rowLabelsChanged(); +} + +QBarDataProxy *QBarDataProxyPrivate::qptr() +{ + return static_cast<QBarDataProxy *>(q_ptr); +} + +void QBarDataProxyPrivate::clearRow(int rowIndex) +{ + if (m_dataArray->at(rowIndex)) { + delete m_dataArray->at(rowIndex); + (*m_dataArray)[rowIndex] = 0; + } +} + +void QBarDataProxyPrivate::clearArray() +{ + for (int i = 0; i < m_dataArray->size(); i++) + clearRow(i); + m_dataArray->clear(); + delete m_dataArray; +} + +/*! + * \internal + * Fixes the row label array to include specified labels. + */ +void QBarDataProxyPrivate::fixRowLabels(int startIndex, int count, const QStringList &newLabels, bool isInsert) +{ + bool changed = false; + int currentSize = m_rowLabels.size(); + + int newSize = newLabels.size(); + if (startIndex >= currentSize) { + // Adding labels past old label array, create empty strings to fill intervening space + if (newSize) { + for (int i = currentSize; i < startIndex; i++) + m_rowLabels << QString(); + // Doesn't matter if insert, append, or just change when there were no existing + // strings, just append new strings. + m_rowLabels << newLabels; + changed = true; + } + } else { + if (isInsert) { + int insertIndex = startIndex; + if (count) + changed = true; + for (int i = 0; i < count; i++) { + if (i < newSize) + m_rowLabels.insert(insertIndex++, newLabels.at(i)); + else + m_rowLabels.insert(insertIndex++, QString()); + } + } else { + // Either append or change, replace labels up to array end and then add new ones + int lastChangeIndex = count + startIndex; + int newIndex = 0; + for (int i = startIndex; i < lastChangeIndex; i++) { + if (i >= currentSize) { + // Label past the current size, so just append the new label + if (newSize < newIndex) { + changed = true; + m_rowLabels << newLabels.at(newIndex); + } else { + break; // No point appending empty strings, so just exit + } + } else if (newSize > newIndex) { + // Replace existing label + if (m_rowLabels.at(i) != newLabels.at(newIndex)) { + changed = true; + m_rowLabels[i] = newLabels.at(newIndex); + } + } else { + // No more new labels, so clear existing label + if (!m_rowLabels.at(i).isEmpty()) { + changed = true; + m_rowLabels[i] = QString(); + } + } + newIndex++; + } + } + } + if (changed) + emit qptr()->rowLabelsChanged(); +} + +QPair<GLfloat, GLfloat> QBarDataProxyPrivate::limitValues(int startRow, int endRow, + int startColumn, int endColumn) const +{ + QPair<GLfloat, GLfloat> limits = qMakePair(0.0f, 0.0f); + endRow = qMin(endRow, m_dataArray->size() - 1); + for (int i = startRow; i <= endRow; i++) { + QBarDataRow *row = m_dataArray->at(i); + if (row) { + endColumn = qMin(endColumn, row->size() - 1); + for (int j = startColumn; j <= endColumn; j++) { + const QBarDataItem &item = m_dataArray->at(i)->at(j); + qreal itemValue = item.value(); + if (limits.second < itemValue) + limits.second = itemValue; + if (limits.first > itemValue) + limits.first = itemValue; + } + } + } + return limits; +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/qbardataproxy.h b/src/datavisualization/data/qbardataproxy.h new file mode 100644 index 00000000..758700df --- /dev/null +++ b/src/datavisualization/data/qbardataproxy.h @@ -0,0 +1,130 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QBARDATAPROXY_H +#define QBARDATAPROXY_H + +#include <QtDataVisualization/qabstractdataproxy.h> +#include <QtDataVisualization/qbardataitem.h> +#include <QVector> +#include <QStringList> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +typedef QVector<QBarDataItem> QBarDataRow; +typedef QList<QBarDataRow *> QBarDataArray; + +class QBarDataProxyPrivate; + +class QT_DATAVISUALIZATION_EXPORT QBarDataProxy : public QAbstractDataProxy +{ + Q_OBJECT + + Q_PROPERTY(int rowCount READ rowCount) + Q_PROPERTY(QStringList rowLabels READ rowLabels WRITE setRowLabels NOTIFY rowLabelsChanged) + Q_PROPERTY(QStringList columnLabels READ columnLabels WRITE setColumnLabels NOTIFY columnLabelsChanged) +public: + explicit QBarDataProxy(QObject *parent = 0); + virtual ~QBarDataProxy(); + + // TODO: Replace first part of class description in docs with this once all TODOs are done: + /* + * QBarDataProxy is optimized for adding, inserting, and removing rows of data. + * Adding a column essentially means modifying every row, which is comparatively very inefficient. + * Proxy is also optimized to use cases where the only defining characteristic of an individual + * bar is its value. Modifying other data that might be added in the future such as color of + * individual bar requires allocating additional data object for the bar. + */ + + int rowCount() const; + + QStringList rowLabels() const; + void setRowLabels(const QStringList &labels); + QStringList columnLabels() const; + void setColumnLabels(const QStringList &labels); + + const QBarDataArray *array() const; + const QBarDataRow *rowAt(int rowIndex) const; + const QBarDataItem *itemAt(int rowIndex, int columnIndex) const; + + void resetArray(); + void resetArray(QBarDataArray *newArray); + void resetArray(QBarDataArray *newArray, const QStringList &rowLabels, + const QStringList &columnLabels); + + void setRow(int rowIndex, QBarDataRow *row); + void setRow(int rowIndex, QBarDataRow *row, const QString &label); + void setRows(int rowIndex, const QBarDataArray &rows); + void setRows(int rowIndex, const QBarDataArray &rows, const QStringList &labels); + + // Setting a column is comparatively inefficient as it changes all rows. + // Can resize rows that are shorter than columnIndex. + // TODO void setColumn(int columnIndex, const QBarDataRow &column); + // TODO void setColumns(int columnIndex, const QBarDataArray &columns); + + void setItem(int rowIndex, int columnIndex, const QBarDataItem &item); + // Change block of items + // TODO setItems(int rowIndex, int columnIndex, QBarDataArray *items); + + int addRow(QBarDataRow *row); + int addRow(QBarDataRow *row, const QString &label); + int addRows(const QBarDataArray &rows); + int addRows(const QBarDataArray &rows, const QStringList &labels); + // TODO int addColumn(const QBarDataRow &column); // returns the index of the added column + // TODO int addColumns(const QBarDataArray &columns); // returns the index of the first added column + + void insertRow(int rowIndex, QBarDataRow *row); + void insertRow(int rowIndex, QBarDataRow *row, const QString &label); + void insertRows(int rowIndex, const QBarDataArray &rows); + void insertRows(int rowIndex, const QBarDataArray &rows, const QStringList &labels); + // TODO void insertColumn(int columnIndex, const QBarDataRow &column); + // TODO void insertColumns(int columnIndex, const QBarDataArray &columns); + + void removeRows(int rowIndex, int removeCount, bool removeLabels = true); + // TODO void removeColumns(int columnIndex, int removeCount); + +signals: + void arrayReset(); + void rowsAdded(int startIndex, int count); + void rowsChanged(int startIndex, int count); + void rowsRemoved(int startIndex, int count); + void rowsInserted(int startIndex, int count); + // TODO void columnsChanged(int startIndex, int count); + // TODO void columnsAdded(int startIndex, int count); + // TODO void columnsRemoved(int startIndex, int count); + // TODO void columnsInserted(int startIndex, int count); + void itemChanged(int rowIndex, int columnIndex); // TODO remove once itemsChanged is added? + // TODO void itemsChanged(int rowIndex, int columnIndex, int rowCount, int columnCount); + + void rowLabelsChanged(); + void columnLabelsChanged(); + +protected: + explicit QBarDataProxy(QBarDataProxyPrivate *d, QObject *parent = 0); + QBarDataProxyPrivate *dptr(); + const QBarDataProxyPrivate *dptrc() const; + +private: + Q_DISABLE_COPY(QBarDataProxy) + + friend class Bars3DController; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QBARDATAPROXY_H diff --git a/src/datavisualization/data/qbardataproxy_p.h b/src/datavisualization/data/qbardataproxy_p.h new file mode 100644 index 00000000..4d51bd5b --- /dev/null +++ b/src/datavisualization/data/qbardataproxy_p.h @@ -0,0 +1,75 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef QBARDATAPROXY_P_H +#define QBARDATAPROXY_P_H + +#include "qbardataproxy.h" +#include "qabstractdataproxy_p.h" +#include "qbardataitem.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QBarDataProxyPrivate : public QAbstractDataProxyPrivate +{ + Q_OBJECT +public: + QBarDataProxyPrivate(QBarDataProxy *q); + virtual ~QBarDataProxyPrivate(); + + void resetArray(QBarDataArray *newArray, const QStringList *rowLabels, + const QStringList *columnLabels); + void setRow(int rowIndex, QBarDataRow *row, const QString *label); + void setRows(int rowIndex, const QBarDataArray &rows, const QStringList *labels); + void setItem(int rowIndex, int columnIndex, const QBarDataItem &item); + int addRow(QBarDataRow *row, const QString *label); + int addRows(const QBarDataArray &rows, const QStringList *labels); + void insertRow(int rowIndex, QBarDataRow *row, const QString *label); + void insertRows(int rowIndex, const QBarDataArray &rows, const QStringList *labels); + void removeRows(int rowIndex, int removeCount, bool removeLabels); + + QPair<GLfloat, GLfloat> limitValues(int startRow, int startColumn, int rowCount, + int columnCount) const; + +private: + QBarDataProxy *qptr(); + void clearRow(int rowIndex); + void clearArray(); + void fixRowLabels(int startIndex, int count, const QStringList &newLabels, bool isInsert); + + QBarDataArray *m_dataArray; + QStringList m_rowLabels; + QStringList m_columnLabels; + +private: + friend class QBarDataProxy; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QBARDATAPROXY_P_H diff --git a/src/datavisualization/data/qheightmapsurfacedataproxy.cpp b/src/datavisualization/data/qheightmapsurfacedataproxy.cpp new file mode 100644 index 00000000..518e69eb --- /dev/null +++ b/src/datavisualization/data/qheightmapsurfacedataproxy.cpp @@ -0,0 +1,489 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "qheightmapsurfacedataproxy_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +// Default ranges correspond value axis defaults +const float defaultMinValue = 0.0f; +const float defaultMaxValue = 10.0f; + +/*! + * \class QHeightMapSurfaceDataProxy + * \inmodule QtDataVisualization + * \brief Base proxy class for Q3DSurface. + * \since 1.0.0 + * + * QHeightMapSurfaceDataProxy takes care of surface related height map data handling. It provides a + * way for giving the surface plot a height map to be visualized. + * + * Since height maps do not contain values for X or Z axes, those values need to be given + * separately using minXValue, maxXValue, minZValue, and maxZValue properties. X-value corresponds + * to image horizontal direction and Z-value to the vertical. Setting any of these + * properties triggers asynchronous re-resolving of any existing height map. + * + * \sa QSurfaceDataProxy, {Qt Data Visualization Data Handling} + */ + +/*! + * \qmltype HeightMapSurfaceDataProxy + * \inqmlmodule com.digia.QtDataVisualization 1.0 + * \since com.digia.QtDataVisualization 1.0 + * \ingroup datavisualization_qml + * \instantiates QHeightMapSurfaceDataProxy + * \inherits SurfaceDataProxy + * \brief Base proxy type for Surface3D. + * + * HeightMapSurfaceDataProxy takes care of surface related height map data handling. It provides a + * way for giving the surface plot a height map to be visualized. + * + * For more complete description, see QHeightMapSurfaceDataProxy. + * + * \sa {Qt Data Visualization Data Handling} + */ + +/*! + * \qmlproperty image HeightMapSurfaceDataProxy::heightMap + * + * A height map to be visualized. Setting this property replaces current data with height map data. + * + * There are several formats the image can be given in, but if it is not in a directly usable + * format, a conversion is made. \note If the result seems wrong, the automatic conversion failed + * and you should try converting the image yourself before setting it. Preferred format is + * QImage::Format_RGB32 in grayscale. + * + * The height of the image is read from the red component of the pixels if the image is in grayscale, + * otherwise it is an average calculated from red, green and blue components of the pixels. Using + * grayscale images may improve data conversion speed for large images. + * + * Since height maps do not contain values for X or Z axes, those values need to be given + * separately using minXValue, maxXValue, minZValue, and maxZValue properties. X-value corresponds + * to image horizontal direction and Z-value to the vertical. Setting any of these + * properties triggers asynchronous re-resolving of any existing height map. + * + * Not recommended formats: all mono formats (for example QImage::Format_Mono). + */ + +/*! + * \qmlproperty string HeightMapSurfaceDataProxy::heightMapFile + * + * A file with a height map image to be visualized. Setting this property replaces current data + * with height map data. + * + * \sa heightMap + */ + +/*! + * \qmlproperty qreal HeightMapSurfaceDataProxy::minXValue + * + * The minimum X value for the generated surface points. + * When setting this property the corresponding maximum value is adjusted if necessary, + * to ensure that the range remains valid. + */ + +/*! + * \qmlproperty qreal HeightMapSurfaceDataProxy::maxXValue + * + * The maximum X value for the generated surface points. + * When setting this property the corresponding minimum value is adjusted if necessary, + * to ensure that the range remains valid. + */ + +/*! + * \qmlproperty qreal HeightMapSurfaceDataProxy::minZValue + * + * The minimum Z value for the generated surface points. + * When setting this property the corresponding maximum value is adjusted if necessary, + * to ensure that the range remains valid. + */ + +/*! + * \qmlproperty qreal HeightMapSurfaceDataProxy::maxZValue + * + * The maximum Z value for the generated surface points. + * When setting this property the corresponding minimum value is adjusted if necessary, + * to ensure that the range remains valid. + */ + +/*! + * Constructs QHeightMapSurfaceDataProxy with the given \a parent. + */ +QHeightMapSurfaceDataProxy::QHeightMapSurfaceDataProxy(QObject *parent) : + QSurfaceDataProxy(new QHeightMapSurfaceDataProxyPrivate(this), parent) +{ +} + +/*! + * Constructs QHeightMapSurfaceDataProxy with the given \a image and \a parent. Height map is set + * by calling setHeighMap() with \a image. + * + * \sa heightMap + */ +QHeightMapSurfaceDataProxy::QHeightMapSurfaceDataProxy(const QImage &image, QObject *parent) : + QSurfaceDataProxy(new QHeightMapSurfaceDataProxyPrivate(this), parent) +{ + setHeightMap(image); +} + +/*! + * \internal + */ +QHeightMapSurfaceDataProxy::QHeightMapSurfaceDataProxy( + QHeightMapSurfaceDataProxyPrivate *d, QObject *parent) : + QSurfaceDataProxy(d, parent) +{ +} + +/*! + * Destroys QHeightMapSurfaceDataProxy. + */ +QHeightMapSurfaceDataProxy::~QHeightMapSurfaceDataProxy() +{ +} + +/*! + * \property QHeightMapSurfaceDataProxy::heightMap + * + * A height map to be visualized. Setting this property replaces current data with height map data. + * + * There are several formats the image can be given in, but if it is not in a directly usable + * format, a conversion is made. \note If the result seems wrong, the automatic conversion failed + * and you should try converting the image yourself before setting it. Preferred format is + * QImage::Format_RGB32 in grayscale. + * + * The height of the image is read from the red component of the pixels if the image is in grayscale, + * otherwise it is an average calculated from red, green and blue components of the pixels. Using + * grayscale images may improve data conversion speed for large images. + * + * Not recommended formats: all mono formats (for example QImage::Format_Mono). + * + * The height map is resolved asynchronously. QSurfaceDataProxy::arrayReset() is emitted when the + * data has been resolved. + */ +void QHeightMapSurfaceDataProxy::setHeightMap(const QImage &image) +{ + dptr()->m_heightMap = image; + + // We do resolving asynchronously to make qml onArrayReset handlers actually get the initial reset + if (!dptr()->m_resolveTimer.isActive()) + dptr()->m_resolveTimer.start(0); +} + +QImage QHeightMapSurfaceDataProxy::heightMap() const +{ + return dptrc()->m_heightMap; +} + +/*! + * \property QHeightMapSurfaceDataProxy::heightMapFile + * + * A file with a height map image to be visualized. Setting this property replaces current data + * with height map data. + * + * \sa heightMap + */ +void QHeightMapSurfaceDataProxy::setHeightMapFile(const QString &filename) +{ + dptr()->m_heightMapFile = filename; + setHeightMap(QImage(filename)); +} + +QString QHeightMapSurfaceDataProxy::heightMapFile() const +{ + return dptrc()->m_heightMapFile; +} + +/*! + * A convenience function for setting all minimum (\a minX and \a minZ) and maximum + * (\a maxX and \a maxZ) values at the same time. The minimum values must be smaller than the + * corresponding maximum value. Otherwise the values get adjusted so that they are valid. + */ +void QHeightMapSurfaceDataProxy::setValueRanges(float minX, float maxX, float minZ, float maxZ) +{ + dptr()->setValueRanges(minX, maxX, minZ, maxZ); +} + +/*! + * \property QHeightMapSurfaceDataProxy::minXValue + * + * The minimum X value for the generated surface points. + * When setting this property the corresponding maximum value is adjusted if necessary, + * to ensure that the range remains valid. + */ +void QHeightMapSurfaceDataProxy::setMinXValue(float min) +{ + dptr()->setMinXValue(min); +} + +float QHeightMapSurfaceDataProxy::minXValue() const +{ + return dptrc()->m_minXValue; +} + +/*! + * \property QHeightMapSurfaceDataProxy::maxXValue + * + * The maximum X value for the generated surface points. + * When setting this property the corresponding minimum value is adjusted if necessary, + * to ensure that the range remains valid. + */ +void QHeightMapSurfaceDataProxy::setMaxXValue(float max) +{ + dptr()->setMaxXValue(max); +} + +float QHeightMapSurfaceDataProxy::maxXValue() const +{ + return dptrc()->m_maxXValue; +} + +/*! + * \property QHeightMapSurfaceDataProxy::minZValue + * + * The minimum Z value for the generated surface points. + * When setting this property the corresponding maximum value is adjusted if necessary, + * to ensure that the range remains valid. + */ +void QHeightMapSurfaceDataProxy::setMinZValue(float min) +{ + dptr()->setMinZValue(min); +} + +float QHeightMapSurfaceDataProxy::minZValue() const +{ + return dptrc()->m_minZValue; +} + +/*! + * \property QHeightMapSurfaceDataProxy::maxZValue + * + * The maximum Z value for the generated surface points. + * When setting this property the corresponding minimum value is adjusted if necessary, + * to ensure that the range remains valid. + */ +void QHeightMapSurfaceDataProxy::setMaxZValue(float max) +{ + dptr()->setMaxZValue(max); +} + +float QHeightMapSurfaceDataProxy::maxZValue() const +{ + return dptrc()->m_maxZValue; +} + +/*! + * \internal + */ +QHeightMapSurfaceDataProxyPrivate *QHeightMapSurfaceDataProxy::dptr() +{ + return static_cast<QHeightMapSurfaceDataProxyPrivate *>(d_ptr.data()); +} + +/*! + * \internal + */ +const QHeightMapSurfaceDataProxyPrivate *QHeightMapSurfaceDataProxy::dptrc() const +{ + return static_cast<const QHeightMapSurfaceDataProxyPrivate *>(d_ptr.data()); +} + +// +// QHeightMapSurfaceDataProxyPrivate +// + +QHeightMapSurfaceDataProxyPrivate::QHeightMapSurfaceDataProxyPrivate(QHeightMapSurfaceDataProxy *q) + : QSurfaceDataProxyPrivate(q), + m_minXValue(defaultMinValue), + m_maxXValue(defaultMaxValue), + m_minZValue(defaultMinValue), + m_maxZValue(defaultMaxValue) +{ + m_resolveTimer.setSingleShot(true); + QObject::connect(&m_resolveTimer, &QTimer::timeout, + this, &QHeightMapSurfaceDataProxyPrivate::handlePendingResolve); +} + +QHeightMapSurfaceDataProxyPrivate::~QHeightMapSurfaceDataProxyPrivate() +{ +} + +QHeightMapSurfaceDataProxy *QHeightMapSurfaceDataProxyPrivate::qptr() +{ + return static_cast<QHeightMapSurfaceDataProxy *>(q_ptr); +} + +void QHeightMapSurfaceDataProxyPrivate::setValueRanges(float minX, float maxX, float minZ, float maxZ) +{ + bool changed = false; + if (m_minXValue != minX || m_minZValue != minZ) { + m_minXValue = minX; + m_minZValue = minZ; + changed = true; + } + if (m_maxXValue != maxX || minX >= maxX) { + if (minX >= maxX) { + m_maxXValue = minX + 1.0; + qWarning() << "Warning: Tried to set invalid range for X value range." + " Range automatically adjusted to a valid one:" + << minX << "-" << maxX << "-->" << m_minXValue << "-" << m_maxXValue; + } else { + m_maxXValue = maxX; + } + changed = true; + } + if (m_maxZValue != maxZ || minZ >= maxZ) { + if (minZ >= maxZ) { + m_maxZValue = minZ + 1.0; + qWarning() << "Warning: Tried to set invalid range for Z value range." + " Range automatically adjusted to a valid one:" + << minZ << "-" << maxZ << "-->" << m_minZValue << "-" << m_maxZValue; + } else { + m_maxZValue = maxZ; + } + changed = true; + } + + if (changed && !m_resolveTimer.isActive()) + m_resolveTimer.start(0); +} + +void QHeightMapSurfaceDataProxyPrivate::setMinXValue(float min) +{ + if (min != m_minXValue) { + if (min >= m_maxXValue) { + qreal oldMax = m_maxXValue; + m_maxXValue = min + 1.0; + qWarning() << "Warning: Tried to set minimum X to equal or larger than maximum X for" + " value range. Maximum automatically adjusted to a valid one:" + << oldMax << "-->" << m_maxXValue; + } + m_minXValue = min; + + if (!m_resolveTimer.isActive()) + m_resolveTimer.start(0); + } +} + +void QHeightMapSurfaceDataProxyPrivate::setMaxXValue(float max) +{ + if (m_maxXValue != max) { + if (max <= m_minXValue) { + qreal oldMin = m_minXValue; + m_minXValue = max - 1.0; + qWarning() << "Warning: Tried to set maximum X to equal or smaller than minimum X for" + " value range. Minimum automatically adjusted to a valid one:" + << oldMin << "-->" << m_minXValue; + } + m_maxXValue = max; + + if (!m_resolveTimer.isActive()) + m_resolveTimer.start(0); + } +} + +void QHeightMapSurfaceDataProxyPrivate::setMinZValue(float min) +{ + if (min != m_minZValue) { + if (min >= m_maxZValue) { + qreal oldMax = m_maxZValue; + m_maxZValue = min + 1.0; + qWarning() << "Warning: Tried to set minimum Z to equal or larger than maximum Z for" + " value range. Maximum automatically adjusted to a valid one:" + << oldMax << "-->" << m_maxZValue; + } + m_minZValue = min; + + if (!m_resolveTimer.isActive()) + m_resolveTimer.start(0); + } +} + +void QHeightMapSurfaceDataProxyPrivate::setMaxZValue(float max) +{ + if (m_maxZValue != max) { + if (max <= m_minZValue) { + qreal oldMin = m_minZValue; + m_minZValue = max - 1.0; + qWarning() << "Warning: Tried to set maximum Z to equal or smaller than minimum Z for" + " value range. Minimum automatically adjusted to a valid one:" + << oldMin << "-->" << m_minZValue; + } + m_maxZValue = max; + + if (!m_resolveTimer.isActive()) + m_resolveTimer.start(0); + } +} + +void QHeightMapSurfaceDataProxyPrivate::handlePendingResolve() +{ + QImage heightImage = m_heightMap; + // Convert to RGB32 to be sure we're reading the right bytes + if (heightImage.format() != QImage::Format_RGB32) + heightImage = heightImage.convertToFormat(QImage::Format_RGB32); + + uchar *bits = heightImage.bits(); + + int imageHeight = heightImage.height(); + int imageWidth = heightImage.width(); + int bitCount = imageWidth * 4 * (imageHeight - 1); + int widthBits = imageWidth * 4; + float height = 0; + + // Do not recreate array if dimensions have not changed + QSurfaceDataArray *dataArray = m_dataArray; + if (imageWidth != qptr()->columnCount() || imageHeight != dataArray->size()) { + dataArray = new QSurfaceDataArray; + dataArray->reserve(imageHeight); + for (int i = 0; i < imageHeight; i++) { + QSurfaceDataRow *newProxyRow = new QSurfaceDataRow(imageWidth); + dataArray->append(newProxyRow); + } + } + + float xMul = (m_maxXValue - m_minXValue) / float(imageWidth - 1); + float zMul = (m_maxZValue - m_minZValue) / float(imageHeight - 1); + + if (heightImage.isGrayscale()) { + // Grayscale, it's enough to read Red byte + for (int i = 0; i < imageHeight; i++, bitCount -= widthBits) { + QSurfaceDataRow &newRow = *dataArray->at(i); + for (int j = 0; j < imageWidth; j++) + newRow[j].setPosition(QVector3D((float(j) * xMul) + m_minXValue, float(bits[bitCount + (j * 4)]), + (float(i) * zMul) + m_minZValue)); + } + } else { + // Not grayscale, we'll need to calculate height from RGB + for (int i = 0; i < imageHeight; i++, bitCount -= widthBits) { + QSurfaceDataRow &newRow = *dataArray->at(i); + for (int j = 0; j < imageWidth; j++) { + int nextpixel = j * 4; + height = (float(bits[bitCount + nextpixel]) + + float(bits[1 + bitCount + nextpixel]) + + float(bits[2 + bitCount + nextpixel])); + newRow[j].setPosition(QVector3D((float(j) * xMul) + m_minXValue, height / 3.0f, + (float(i) * zMul) + m_minZValue)); + } + } + } + + qptr()->resetArray(dataArray); +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/qheightmapsurfacedataproxy.h b/src/datavisualization/data/qheightmapsurfacedataproxy.h new file mode 100644 index 00000000..3306059f --- /dev/null +++ b/src/datavisualization/data/qheightmapsurfacedataproxy.h @@ -0,0 +1,75 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QHEIGHTMAPSURFACEDATAPROXY_H +#define QHEIGHTMAPSURFACEDATAPROXY_H + +#include <QtDataVisualization/qsurfacedataproxy.h> + +#include <QImage> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QHeightMapSurfaceDataProxyPrivate; + +class QT_DATAVISUALIZATION_EXPORT QHeightMapSurfaceDataProxy : public QSurfaceDataProxy +{ + Q_OBJECT + + Q_PROPERTY(QImage heightMap READ heightMap WRITE setHeightMap) + Q_PROPERTY(QString heightMapFile READ heightMapFile WRITE setHeightMapFile) + Q_PROPERTY(float minXValue READ minXValue WRITE setMinXValue) + Q_PROPERTY(float maxXValue READ maxXValue WRITE setMaxXValue) + Q_PROPERTY(float minZValue READ minZValue WRITE setMinZValue) + Q_PROPERTY(float maxZValue READ maxZValue WRITE setMaxZValue) + +public: + explicit QHeightMapSurfaceDataProxy(QObject *parent = 0); + explicit QHeightMapSurfaceDataProxy(const QImage &image, QObject *parent = 0); + virtual ~QHeightMapSurfaceDataProxy(); + + void setHeightMap(const QImage &image); + QImage heightMap() const; + + void setHeightMapFile(const QString &filename); + QString heightMapFile() const; + + void setValueRanges(float minX, float maxX, float minZ, float maxZ); + void setMinXValue(float min); + float minXValue() const; + void setMaxXValue(float max); + float maxXValue() const; + void setMinZValue(float min); + float minZValue() const; + void setMaxZValue(float max); + float maxZValue() const; + +protected: + explicit QHeightMapSurfaceDataProxy(QHeightMapSurfaceDataProxyPrivate *d, QObject *parent = 0); + QHeightMapSurfaceDataProxyPrivate *dptr(); + const QHeightMapSurfaceDataProxyPrivate *dptrc() const; + +private: + Q_DISABLE_COPY(QHeightMapSurfaceDataProxy) + + friend class Surface3DController; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qheightmapsurfacedataproxy_p.h b/src/datavisualization/data/qheightmapsurfacedataproxy_p.h new file mode 100644 index 00000000..2d773344 --- /dev/null +++ b/src/datavisualization/data/qheightmapsurfacedataproxy_p.h @@ -0,0 +1,69 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef QHEIGHTMAPSURFACEDATAPROXY_P_H +#define QHEIGHTMAPSURFACEDATAPROXY_P_H + +#include "qheightmapsurfacedataproxy.h" +#include "qsurfacedataproxy_p.h" +#include <QTimer> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QHeightMapSurfaceDataProxyPrivate : public QSurfaceDataProxyPrivate +{ + Q_OBJECT + +public: + QHeightMapSurfaceDataProxyPrivate(QHeightMapSurfaceDataProxy *q); + virtual ~QHeightMapSurfaceDataProxyPrivate(); + + void setValueRanges(float minX, float maxX, float minZ, float maxZ); + void setMinXValue(float min); + void setMaxXValue(float max); + void setMinZValue(float min); + void setMaxZValue(float max); +private: + QHeightMapSurfaceDataProxy *qptr(); + void handlePendingResolve(); + + QImage m_heightMap; + QString m_heightMapFile; + QTimer m_resolveTimer; + + float m_minXValue; + float m_maxXValue; + float m_minZValue; + float m_maxZValue; + + friend class QHeightMapSurfaceDataProxy; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qitemmodelbardatamapping.cpp b/src/datavisualization/data/qitemmodelbardatamapping.cpp new file mode 100644 index 00000000..fc6f8f54 --- /dev/null +++ b/src/datavisualization/data/qitemmodelbardatamapping.cpp @@ -0,0 +1,407 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "qitemmodelbardatamapping_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class QItemModelBarDataMapping + * \inmodule QtDataVisualization + * \brief Item model mapping for Q3DBars. + * \since 1.0.0 + * + * QItemModelBarDataMapping is used to map roles of QAbstractItemModel to rows, columns, and values + * of Q3DBars. There are three ways to use QItemModelBarDataMapping: + * + * 1) If useModelCategories property is set to true, QItemModelBarDataMapping will map rows and + * columns of QAbstractItemModel to rows and columns of Q3DBars, and uses the value returned for + * Qt::DisplayRole as bar value by default. + * The value role to be used can be redefined if Qt::DisplayRole is not suitable. + * + * 2) For models that do not have data already neatly sorted into rows and columns, such as + * QAbstractListModel based models, you can define a role from the model to map for each of row, + * column and value. + * + * 3) If you do not want to include all data contained in the model, or the autogenerated rows and + * columns are not ordered as you wish, you can specify which rows and columns should be included + * and in which order by defining an explicit list of categories for either or both of rows and + * columns. + * + * For example, assume that you have a custom QAbstractItemModel for storing various monthly values + * related to a business. + * Each item in the model has roles "year", "month", "income", and "expenses". + * You could do the following to display the data in a bar graph: + * + * \snippet doc_src_qtdatavisualization.cpp 3 + * + * \sa QItemModelBarDataProxy, {Qt Data Visualization Data Handling} + */ + +/*! + * \qmltype BarDataMapping + * \inqmlmodule com.digia.QtDataVisualization 1.0 + * \since com.digia.QtDataVisualization 1.0 + * \ingroup datavisualization_qml + * \instantiates QItemModelBarDataMapping + * \brief Item model mapping for Bars3D. + * + * This type is used to map roles of AbstractItemModel to rows, columns, and values of Bars3D. For + * more complete description, see QItemModelBarDataMapping. + * + * Usage example: + * + * \snippet doc_src_qmldatavisualization.cpp 4 + * + * \sa ItemModelBarDataProxy, {Qt Data Visualization Data Handling} + */ + +/*! + * \qmlproperty string BarDataMapping::rowRole + * The row role of the mapping. + */ + +/*! + * \qmlproperty string BarDataMapping::columnRole + * The column role of the mapping. + */ + +/*! + * \qmlproperty string BarDataMapping::valueRole + * The value role of the mapping. + */ + +/*! + * \qmlproperty list BarDataMapping::rowCategories + * The row categories of the mapping. Only items with row roles that are found in this list are + * included when data is resolved. The rows are ordered in the same order as they are in this list. + */ + +/*! + * \qmlproperty list BarDataMapping::columnCategories + * The column categories of the mapping. Only items with column roles that are found in this list are + * included when data is resolved. The columns are ordered in the same order as they are in this list. + */ + +/*! + * \qmlproperty list BarDataMapping::useModelCategories + * When set to true, the mapping ignores row and column roles and categories, and uses + * the rows and columns from the model instead. Defaults to false. + */ + +/*! + * \qmlproperty list BarDataMapping::autoRowCategories + * When set to true, the mapping ignores any explicitly set row categories + * and overwrites them with automatically generated ones whenever the + * data from model is resolved. Defaults to true. + */ + +/*! + * \qmlproperty list BarDataMapping::autoColumnCategories + * When set to true, the mapping ignores any explicitly set column categories + * and overwrites them with automatically generated ones whenever the + * data from model is resolved. Defaults to true. + */ + +/*! + * Constructs QItemModelBarDataMapping with the given \a parent. + */ +QItemModelBarDataMapping::QItemModelBarDataMapping(QObject *parent) + : QAbstractDataMapping(new QItemModelBarDataMappingPrivate(this), parent) +{ +} + +/*! + * Constructs QItemModelBarDataMapping with \a valueRole and the given \a parent. + * This constructor is meant to be used with models that have data properly sorted + * in rows and columns already, so it also sets useModelCategories property to true. + */ +QItemModelBarDataMapping::QItemModelBarDataMapping(const QString &valueRole, QObject *parent) + : QAbstractDataMapping(new QItemModelBarDataMappingPrivate(this), parent) +{ + dptr()->m_valueRole = valueRole; + dptr()->m_useModelCategories = true; +} + +/*! + * Constructs QItemModelBarDataMapping with \a rowRole, \a columnRole, \a valueRole + * and the given \a parent. + */ +QItemModelBarDataMapping::QItemModelBarDataMapping(const QString &rowRole, + const QString &columnRole, + const QString &valueRole, + QObject *parent) + : QAbstractDataMapping(new QItemModelBarDataMappingPrivate(this), parent) +{ + dptr()->m_rowRole = rowRole; + dptr()->m_columnRole = columnRole; + dptr()->m_valueRole = valueRole; +} + +/*! + * Constructs QItemModelBarDataMapping with \a rowRole, \a columnRole, \a valueRole, + * \a rowCategories, \a columnCategories and the given \a parent. This constructor + * also sets autoRowCategories and autoColumnCategories to false. + */ +QItemModelBarDataMapping::QItemModelBarDataMapping(const QString &rowRole, + const QString &columnRole, + const QString &valueRole, + const QStringList &rowCategories, + const QStringList &columnCategories, + QObject *parent) + : QAbstractDataMapping(new QItemModelBarDataMappingPrivate(this), parent) +{ + dptr()->m_rowRole = rowRole; + dptr()->m_columnRole = columnRole; + dptr()->m_valueRole = valueRole; + dptr()->m_rowCategories = rowCategories; + dptr()->m_columnCategories = columnCategories; + dptr()->m_autoRowCategories = false; + dptr()->m_autoColumnCategories = false; +} + +/*! + * Destroys QItemModelBarDataMapping. + */ +QItemModelBarDataMapping::~QItemModelBarDataMapping() +{ +} + +/*! + * \property QItemModelBarDataMapping::rowRole + * + * Defines the row role for the mapping. + */ +void QItemModelBarDataMapping::setRowRole(const QString &role) +{ + if (dptr()->m_rowRole != role) { + dptr()->m_rowRole = role; + emit mappingChanged(); + } +} + +QString QItemModelBarDataMapping::rowRole() const +{ + return dptrc()->m_rowRole; +} + +/*! + * \property QItemModelBarDataMapping::columnRole + * + * Defines the column role for the mapping. + */ +void QItemModelBarDataMapping::setColumnRole(const QString &role) +{ + if (dptr()->m_columnRole != role) { + dptr()->m_columnRole = role; + emit mappingChanged(); + } +} + +QString QItemModelBarDataMapping::columnRole() const +{ + return dptrc()->m_columnRole; +} + +/*! + * \property QItemModelBarDataMapping::valueRole + * + * Defines the value role for the mapping. + */ +void QItemModelBarDataMapping::setValueRole(const QString &role) +{ + if (dptr()->m_valueRole != role) { + dptr()->m_valueRole = role; + emit mappingChanged(); + } +} + +QString QItemModelBarDataMapping::valueRole() const +{ + return dptrc()->m_valueRole; +} + +/*! + * \property QItemModelBarDataMapping::rowCategories + * + * Defines the row categories for the mapping. + */ +void QItemModelBarDataMapping::setRowCategories(const QStringList &categories) +{ + if (dptr()->m_rowCategories != categories) { + dptr()->m_rowCategories = categories; + emit mappingChanged(); + } +} + +QStringList QItemModelBarDataMapping::rowCategories() const +{ + return dptrc()->m_rowCategories; +} + +/*! + * \property QItemModelBarDataMapping::columnCategories + * + * Defines the column categories for the mapping. + */ +void QItemModelBarDataMapping::setColumnCategories(const QStringList &categories) +{ + if (dptr()->m_columnCategories != categories) { + dptr()->m_columnCategories = categories; + emit mappingChanged(); + } +} + +QStringList QItemModelBarDataMapping::columnCategories() const +{ + return dptrc()->m_columnCategories; +} + +/*! + * \property QItemModelBarDataMapping::useModelCategories + * + * When set to true, the mapping ignores row and column roles and categories, and uses + * the rows and columns from the model instead. Defaults to false. + */ +void QItemModelBarDataMapping::setUseModelCategories(bool enable) +{ + if (dptr()->m_useModelCategories != enable) { + dptr()->m_useModelCategories = enable; + emit mappingChanged(); + } +} + +bool QItemModelBarDataMapping::useModelCategories() const +{ + return dptrc()->m_useModelCategories; +} + +/*! + * \property QItemModelBarDataMapping::autoRowCategories + * + * When set to true, the mapping ignores any explicitly set row categories + * and overwrites them with automatically generated ones whenever the + * data from model is resolved. Defaults to true. + */ +void QItemModelBarDataMapping::setAutoRowCategories(bool enable) +{ + if (dptr()->m_autoRowCategories != enable) { + dptr()->m_autoRowCategories = enable; + emit mappingChanged(); + } +} + +bool QItemModelBarDataMapping::autoRowCategories() const +{ + return dptrc()->m_autoRowCategories; +} + +/*! + * \property QItemModelBarDataMapping::autoColumnCategories + * + * When set to true, the mapping ignores any explicitly set column categories + * and overwrites them with automatically generated ones whenever the + * data from model is resolved. Defaults to true. + */ +void QItemModelBarDataMapping::setAutoColumnCategories(bool enable) +{ + if (dptr()->m_autoColumnCategories != enable) { + dptr()->m_autoColumnCategories = enable; + emit mappingChanged(); + } +} + +bool QItemModelBarDataMapping::autoColumnCategories() const +{ + return dptrc()->m_autoColumnCategories; +} + +/*! + * Changes \a rowRole, \a columnRole, \a valueRole, \a rowCategories and \a columnCategories to the + * mapping. + */ +void QItemModelBarDataMapping::remap(const QString &rowRole, + const QString &columnRole, + const QString &valueRole, + const QStringList &rowCategories, + const QStringList &columnCategories) +{ + dptr()->m_rowRole = rowRole; + dptr()->m_columnRole = columnRole; + dptr()->m_valueRole = valueRole; + dptr()->m_rowCategories = rowCategories; + dptr()->m_columnCategories = columnCategories; + + emit mappingChanged(); +} + +/*! + * /return index of the specified \a category in row categories list. + * If the row categories list is empty, -1 is returned. + * \note If the automatic row categories generation is in use, this method will + * not return valid index before the data in the model is resolved for the first time. + */ +int QItemModelBarDataMapping::rowCategoryIndex(const QString &category) +{ + return dptr()->m_rowCategories.indexOf(category); +} + +/*! + * /return index of the specified \a category in column categories list. + * If the category is not found, -1 is returned. + * \note If the automatic column categories generation is in use, this method will + * not return valid index before the data in the model is resolved for the first time. + */ +int QItemModelBarDataMapping::columnCategoryIndex(const QString &category) +{ + return dptr()->m_columnCategories.indexOf(category); +} + +/*! + * \internal + */ +QItemModelBarDataMappingPrivate *QItemModelBarDataMapping::dptr() +{ + return static_cast<QItemModelBarDataMappingPrivate *>(d_ptr.data()); +} + +/*! + * \internal + */ +const QItemModelBarDataMappingPrivate *QItemModelBarDataMapping::dptrc() const +{ + return static_cast<const QItemModelBarDataMappingPrivate *>(d_ptr.data()); +} + +// QItemModelBarDataMappingPrivate + +QItemModelBarDataMappingPrivate::QItemModelBarDataMappingPrivate(QItemModelBarDataMapping *q) + : QAbstractDataMappingPrivate(q, QAbstractDataProxy::DataTypeBar), + m_useModelCategories(false), + m_autoRowCategories(true), + m_autoColumnCategories(true) +{ +} + +QItemModelBarDataMappingPrivate::~QItemModelBarDataMappingPrivate() +{ +} + + +QT_DATAVISUALIZATION_END_NAMESPACE + diff --git a/src/datavisualization/data/qitemmodelbardatamapping.h b/src/datavisualization/data/qitemmodelbardatamapping.h new file mode 100644 index 00000000..a5ef33b8 --- /dev/null +++ b/src/datavisualization/data/qitemmodelbardatamapping.h @@ -0,0 +1,90 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QITEMMODELBARDATAMAPPING_H +#define QITEMMODELBARDATAMAPPING_H + +#include <QtDataVisualization/qdatavisualizationenums.h> +#include <QtDataVisualization/qabstractdatamapping.h> +#include <QStringList> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QItemModelBarDataMappingPrivate; + +class QT_DATAVISUALIZATION_EXPORT QItemModelBarDataMapping : public QAbstractDataMapping +{ + Q_OBJECT + Q_PROPERTY(QString rowRole READ rowRole WRITE setRowRole) + Q_PROPERTY(QString columnRole READ columnRole WRITE setColumnRole) + Q_PROPERTY(QString valueRole READ valueRole WRITE setValueRole) + Q_PROPERTY(QStringList rowCategories READ rowCategories WRITE setRowCategories) + Q_PROPERTY(QStringList columnCategories READ columnCategories WRITE setColumnCategories) + Q_PROPERTY(bool useModelCategories READ useModelCategories WRITE setUseModelCategories) + Q_PROPERTY(bool autoRowCategories READ autoRowCategories WRITE setAutoRowCategories) + Q_PROPERTY(bool autoColumnCategories READ autoColumnCategories WRITE setAutoColumnCategories) + +public: + explicit QItemModelBarDataMapping(QObject *parent = 0); + QItemModelBarDataMapping(const QString &valueRole, QObject *parent = 0); + QItemModelBarDataMapping(const QString &rowRole, const QString &columnRole, + const QString &valueRole, QObject *parent = 0); + QItemModelBarDataMapping(const QString &rowRole, const QString &columnRole, + const QString &valueRole, const QStringList &rowCategories, + const QStringList &columnCategories, QObject *parent = 0); + virtual ~QItemModelBarDataMapping(); + + void setRowRole(const QString &role); + QString rowRole() const; + void setColumnRole(const QString &role); + QString columnRole() const; + void setValueRole(const QString &role); + QString valueRole() const; + + void setRowCategories(const QStringList &categories); + QStringList rowCategories() const; + void setColumnCategories(const QStringList &categories); + QStringList columnCategories() const; + + void setUseModelCategories(bool enable); + bool useModelCategories() const; + void setAutoRowCategories(bool enable); + bool autoRowCategories() const; + void setAutoColumnCategories(bool enable); + bool autoColumnCategories() const; + + void remap(const QString &rowRole, const QString &columnRole, + const QString &valueRole, const QStringList &rowCategories, + const QStringList &columnCategories); + + Q_INVOKABLE int rowCategoryIndex(const QString& category); + Q_INVOKABLE int columnCategoryIndex(const QString& category); + +protected: + QItemModelBarDataMappingPrivate *dptr(); + const QItemModelBarDataMappingPrivate *dptrc() const; + +private: + Q_DISABLE_COPY(QItemModelBarDataMapping) + + friend class BarItemModelHandler; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qitemmodelbardatamapping_p.h b/src/datavisualization/data/qitemmodelbardatamapping_p.h new file mode 100644 index 00000000..90a17fdb --- /dev/null +++ b/src/datavisualization/data/qitemmodelbardatamapping_p.h @@ -0,0 +1,63 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#include "qitemmodelbardatamapping.h" +#include "qabstractdatamapping_p.h" + +#ifndef QITEMMODELBARDATAMAPPING_P_H +#define QITEMMODELBARDATAMAPPING_P_H + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QItemModelBarDataMappingPrivate : public QAbstractDataMappingPrivate +{ + Q_OBJECT +public: + QItemModelBarDataMappingPrivate(QItemModelBarDataMapping *q); + virtual ~QItemModelBarDataMappingPrivate(); + +private: + QString m_rowRole; + QString m_columnRole; + QString m_valueRole; + + // For row/column items, sort items into these categories. Other categories are ignored. + QStringList m_rowCategories; + QStringList m_columnCategories; + + bool m_useModelCategories; + bool m_autoRowCategories; + bool m_autoColumnCategories; + + friend class QItemModelBarDataMapping; + friend class BarItemModelHandler; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qitemmodelbardataproxy.cpp b/src/datavisualization/data/qitemmodelbardataproxy.cpp new file mode 100644 index 00000000..b0fa74b6 --- /dev/null +++ b/src/datavisualization/data/qitemmodelbardataproxy.cpp @@ -0,0 +1,198 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "qitemmodelbardataproxy_p.h" +#include "baritemmodelhandler_p.h" +#include <QTimer> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class QItemModelBarDataProxy + * \inmodule QtDataVisualization + * \brief Proxy class for presenting data in item models with Q3DBars. + * \since 1.0.0 + * + * QItemModelBarDataProxy allows you to use QAbstractItemModel derived models as a data source + * for Q3DBars. It uses QItemModelBarDataMapping instance to map data from the model to Q3DBars + * graph. + * + * Data is resolved asynchronously whenever the mapping or the model changes. + * QBarDataProxy::arrayReset() is emitted when the data has been resolved. + * + * \sa QItemModelBarDataMapping, {Qt Data Visualization Data Handling} + */ + +/*! + * \qmltype ItemModelBarDataProxy + * \inqmlmodule com.digia.QtDataVisualization 1.0 + * \since com.digia.QtDataVisualization 1.0 + * \ingroup datavisualization_qml + * \instantiates QItemModelBarDataProxy + * \inherits BarDataProxy + * \brief Proxy class for presenting data in item models with Bars3D. + * + * This type allows you to use AbstractItemModel derived models as a data source for Bars3D. + * + * Data is resolved asynchronously whenever the mapping or the model changes. + * QBarDataProxy::arrayReset() is emitted when the data has been resolved. + * + * Usage example: + * + * \snippet doc_src_qmldatavisualization.cpp 7 + * + * \sa BarDataProxy, BarDataMapping, {Qt Data Visualization Data Handling} + */ + +/*! + * \qmlproperty list ItemModelBarDataProxy::itemModel + * The item model. + */ + +/*! + * \qmlproperty list ItemModelBarDataProxy::activeMapping + * The active mapping. Modifying a mapping that is set to the proxy will trigger data set + * re-resolving. + */ + +/*! + * Constructs QItemModelBarDataProxy. + */ +QItemModelBarDataProxy::QItemModelBarDataProxy() : + QBarDataProxy(new QItemModelBarDataProxyPrivate(this)) +{ +} + +/*! + * Constructs QItemModelBarDataProxy with \a itemModel and \a mapping. Proxy takes ownership of the + * \a mapping, but doesn't take ownership of the \a itemModel, as typically item models are owned + * by other controls. + */ +QItemModelBarDataProxy::QItemModelBarDataProxy(const QAbstractItemModel *itemModel, + QItemModelBarDataMapping *mapping) : + QBarDataProxy(new QItemModelBarDataProxyPrivate(this)) +{ + dptr()->m_itemModelHandler->setItemModel(itemModel); + dptr()->m_itemModelHandler->setActiveMapping(mapping); +} + +/*! + * Destroys QItemModelBarDataProxy. + */ +QItemModelBarDataProxy::~QItemModelBarDataProxy() +{ +} + +/*! + * \property QItemModelBarDataProxy::itemModel + * + * Defines item model. Does not take ownership of the model, but does connect to it to listen for + * changes. + */ +void QItemModelBarDataProxy::setItemModel(const QAbstractItemModel *itemModel) +{ + dptr()->m_itemModelHandler->setItemModel(itemModel); +} + +const QAbstractItemModel *QItemModelBarDataProxy::itemModel() const +{ + return dptrc()->m_itemModelHandler->itemModel(); +} + +/*! + * \property QItemModelBarDataProxy::activeMapping + * + * Defines data mapping. Proxy takes ownership of the \a mapping. + * Modifying a mapping that is set to the proxy will trigger data set re-resolving. + */ +void QItemModelBarDataProxy::setActiveMapping(QItemModelBarDataMapping *mapping) +{ + dptr()->m_itemModelHandler->setActiveMapping(mapping); +} + +QItemModelBarDataMapping *QItemModelBarDataProxy::activeMapping() const +{ + return static_cast<QItemModelBarDataMapping *>(dptrc()->m_itemModelHandler->activeMapping()); +} + +/*! + * Transfers the ownership of the \a mapping to this proxy. The mapping is not taken to use yet. + * \sa setActiveMapping(), releaseMapping() + */ +void QItemModelBarDataProxy::addMapping(QItemModelBarDataMapping *mapping) +{ + dptr()->m_itemModelHandler->addMapping(mapping); +} + +/*! + * Releases the ownership of the \a mapping back to the caller. If the mapping was the currently + * active one, no mapping remains active after this call. + */ +void QItemModelBarDataProxy::releaseMapping(QItemModelBarDataMapping *mapping) +{ + dptr()->m_itemModelHandler->releaseMapping(mapping); +} + +/*! + * \return list of mappings owned by the proxy. + */ +QList<QItemModelBarDataMapping *> QItemModelBarDataProxy::mappings() const +{ + QList<QItemModelBarDataMapping *> retList; + QList<QAbstractDataMapping *> abstractList = dptrc()->m_itemModelHandler->mappings(); + foreach (QAbstractDataMapping *mapping, abstractList) + retList.append(static_cast<QItemModelBarDataMapping *>(mapping)); + + return retList; +} + +/*! + * \internal + */ +QItemModelBarDataProxyPrivate *QItemModelBarDataProxy::dptr() +{ + return static_cast<QItemModelBarDataProxyPrivate *>(d_ptr.data()); +} + +/*! + * \internal + */ +const QItemModelBarDataProxyPrivate *QItemModelBarDataProxy::dptrc() const +{ + return static_cast<const QItemModelBarDataProxyPrivate *>(d_ptr.data()); +} + +// QItemModelBarDataProxyPrivate + +QItemModelBarDataProxyPrivate::QItemModelBarDataProxyPrivate(QItemModelBarDataProxy *q) + : QBarDataProxyPrivate(q), + m_itemModelHandler(new BarItemModelHandler(q)) +{ +} + +QItemModelBarDataProxyPrivate::~QItemModelBarDataProxyPrivate() +{ + delete m_itemModelHandler; +} + +QItemModelBarDataProxy *QItemModelBarDataProxyPrivate::qptr() +{ + return static_cast<QItemModelBarDataProxy *>(q_ptr); +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/qitemmodelbardataproxy.h b/src/datavisualization/data/qitemmodelbardataproxy.h new file mode 100644 index 00000000..2a96f0c8 --- /dev/null +++ b/src/datavisualization/data/qitemmodelbardataproxy.h @@ -0,0 +1,62 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QITEMMODELBARDATAPROXY_H +#define QITEMMODELBARDATAPROXY_H + +#include <QtDataVisualization/qbardataproxy.h> +#include <QtDataVisualization/qitemmodelbardatamapping.h> +#include <QAbstractItemModel> +#include <QStringList> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QItemModelBarDataProxyPrivate; + +class QT_DATAVISUALIZATION_EXPORT QItemModelBarDataProxy : public QBarDataProxy +{ + Q_OBJECT + Q_PROPERTY(const QAbstractItemModel* itemModel READ itemModel WRITE setItemModel) + Q_PROPERTY(QItemModelBarDataMapping* activeMapping READ activeMapping WRITE setActiveMapping) + +public: + explicit QItemModelBarDataProxy(); + explicit QItemModelBarDataProxy(const QAbstractItemModel *itemModel, + QItemModelBarDataMapping *mapping); + virtual ~QItemModelBarDataProxy(); + + void setItemModel(const QAbstractItemModel *itemModel); + const QAbstractItemModel *itemModel() const; + + void setActiveMapping(QItemModelBarDataMapping *mapping); + QItemModelBarDataMapping *activeMapping() const; + void addMapping(QItemModelBarDataMapping *mapping); + void releaseMapping(QItemModelBarDataMapping *mapping); + QList<QItemModelBarDataMapping *> mappings() const; + +protected: + QItemModelBarDataProxyPrivate *dptr(); + const QItemModelBarDataProxyPrivate *dptrc() const; + +private: + Q_DISABLE_COPY(QItemModelBarDataProxy) +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qitemmodelbardataproxy_p.h b/src/datavisualization/data/qitemmodelbardataproxy_p.h new file mode 100644 index 00000000..fc646f0d --- /dev/null +++ b/src/datavisualization/data/qitemmodelbardataproxy_p.h @@ -0,0 +1,58 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef QITEMMODELBARDATAPROXY_P_H +#define QITEMMODELBARDATAPROXY_P_H + +#include "qitemmodelbardataproxy.h" +#include "qbardataproxy_p.h" +#include <QPointer> +#include <QTimer> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class BarItemModelHandler; + +class QItemModelBarDataProxyPrivate : public QBarDataProxyPrivate +{ + Q_OBJECT +public: + QItemModelBarDataProxyPrivate(QItemModelBarDataProxy *q); + virtual ~QItemModelBarDataProxyPrivate(); + +private: + QItemModelBarDataProxy *qptr(); + + BarItemModelHandler *m_itemModelHandler; + + friend class QItemModelBarDataProxy; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qitemmodelscatterdatamapping.cpp b/src/datavisualization/data/qitemmodelscatterdatamapping.cpp new file mode 100644 index 00000000..f9ef6d04 --- /dev/null +++ b/src/datavisualization/data/qitemmodelscatterdatamapping.cpp @@ -0,0 +1,200 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "qitemmodelscatterdatamapping_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class QItemModelScatterDataMapping + * \inmodule QtDataVisualization + * \brief Item model mapping for Q3DScatter. + * \since 1.0.0 + * + * QItemModelScatterDataMapping is used to map roles of QAbstractItemModel to the XYZ-values + * of Q3DScatter points. + * + * QItemModelScatterDataMapping ignores rows and columns of the QAbstractItemModel and treats + * all items equally. It requires the model to provide at least three roles for the data items + * that can be mapped to X, Y, and Z-values for the scatter points. + * + * For example, assume that you have a custom QAbstractItemModel for storing various measurements + * done on material samples, providing data for roles such as "density", "hardness" and + * "conductivity". You could visualize these properties on a scatter graph: + * + * \snippet doc_src_qtdatavisualization.cpp 4 + * + * \sa QItemModelScatterDataProxy, {Qt Data Visualization Data Handling} + */ + +/*! + * \qmltype ScatterDataMapping + * \inqmlmodule com.digia.QtDataVisualization 1.0 + * \since com.digia.QtDataVisualization 1.0 + * \ingroup datavisualization_qml + * \instantiates QItemModelScatterDataMapping + * \brief Item model mapping for Scatter3D. + * + * This type is used to map roles of AbstractItemModel to the XYZ-values of Scatter3D points. For + * more complete description, see QItemModelScatterDataMapping. + * + * Usage example: + * + * \snippet doc_src_qmldatavisualization.cpp 5 + * + * \sa ItemModelScatterDataProxy, {Qt Data Visualization Data Handling} + */ + +/*! + * \qmlproperty string ScatterDataMapping::xPosRole + * The X position role of the mapping. + */ + +/*! + * \qmlproperty string ScatterDataMapping::yPosRole + * The Y position role of the mapping. + */ + +/*! + * \qmlproperty string ScatterDataMapping::zPosRole + * The Z position role of the mapping. + */ + +/*! + * Constructs QItemModelScatterDataMapping with the given \a parent. + */ +QItemModelScatterDataMapping::QItemModelScatterDataMapping(QObject *parent) + : QAbstractDataMapping(new QItemModelScatterDataMappingPrivate(this), parent) +{ +} + +/*! + * Constructs QItemModelScatterDataMapping with \a xPosRole, \a yPosRole, \a zPosRole + * and the given \a parent. + */ +QItemModelScatterDataMapping::QItemModelScatterDataMapping(const QString &xPosRole, + const QString &yPosRole, + const QString &zPosRole, + QObject *parent) + : QAbstractDataMapping(new QItemModelScatterDataMappingPrivate(this), parent) +{ + dptr()->m_xPosRole = xPosRole; + dptr()->m_yPosRole = yPosRole; + dptr()->m_zPosRole = zPosRole; +} + +/*! + * Destroys QItemModelScatterDataMapping. + */ +QItemModelScatterDataMapping::~QItemModelScatterDataMapping() +{ +} + +/*! + * \property QItemModelScatterDataMapping::xPosRole + * + * Defines the X position role for the mapping. + */ +void QItemModelScatterDataMapping::setXPosRole(const QString &role) +{ + dptr()->m_xPosRole = role; + emit mappingChanged(); +} + +QString QItemModelScatterDataMapping::xPosRole() const +{ + return dptrc()->m_xPosRole; +} + +/*! + * \property QItemModelScatterDataMapping::yPosRole + * + * Defines the Y position role for the mapping. + */ +void QItemModelScatterDataMapping::setYPosRole(const QString &role) +{ + dptr()->m_yPosRole = role; + emit mappingChanged(); +} + +QString QItemModelScatterDataMapping::yPosRole() const +{ + return dptrc()->m_yPosRole; +} + +/*! + * \property QItemModelScatterDataMapping::zPosRole + * + * Defines the Z position role for the mapping. + */ +void QItemModelScatterDataMapping::setZPosRole(const QString &role) +{ + dptr()->m_zPosRole = role; + emit mappingChanged(); +} + +QString QItemModelScatterDataMapping::zPosRole() const +{ + return dptrc()->m_zPosRole; +} + +/*! + * Changes \a xPosRole, \a yPosRole and \a zPosRole to the mapping. + * + * Emits mappingChanged() signal after remapping. + */ +void QItemModelScatterDataMapping::remap(const QString &xPosRole, const QString &yPosRole, + const QString &zPosRole) +{ + dptr()->m_xPosRole = xPosRole; + dptr()->m_yPosRole = yPosRole; + dptr()->m_zPosRole = zPosRole; + + emit mappingChanged(); +} + +/*! + * \internal + */ +QItemModelScatterDataMappingPrivate *QItemModelScatterDataMapping::dptr() +{ + return static_cast<QItemModelScatterDataMappingPrivate *>(d_ptr.data()); +} + +/*! + * \internal + */ +const QItemModelScatterDataMappingPrivate *QItemModelScatterDataMapping::dptrc() const +{ + return static_cast<const QItemModelScatterDataMappingPrivate *>(d_ptr.data()); +} + +// QItemModelScatterDataMappingPrivate + +QItemModelScatterDataMappingPrivate::QItemModelScatterDataMappingPrivate( + QItemModelScatterDataMapping *q) + : QAbstractDataMappingPrivate(q, QAbstractDataProxy::DataTypeScatter) +{ +} + +QItemModelScatterDataMappingPrivate::~QItemModelScatterDataMappingPrivate() +{ +} + +QT_DATAVISUALIZATION_END_NAMESPACE + diff --git a/src/datavisualization/data/qitemmodelscatterdatamapping.h b/src/datavisualization/data/qitemmodelscatterdatamapping.h new file mode 100644 index 00000000..62f2fefc --- /dev/null +++ b/src/datavisualization/data/qitemmodelscatterdatamapping.h @@ -0,0 +1,62 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QITEMMODELSCATTERDATAMAPPING_H +#define QITEMMODELSCATTERDATAMAPPING_H + +#include <QtDataVisualization/qdatavisualizationenums.h> +#include <QtDataVisualization/qabstractdatamapping.h> +#include <QObject> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QItemModelScatterDataMappingPrivate; + +class QT_DATAVISUALIZATION_EXPORT QItemModelScatterDataMapping : public QAbstractDataMapping +{ + Q_OBJECT + Q_PROPERTY(QString xPosRole READ xPosRole WRITE setXPosRole) + Q_PROPERTY(QString yPosRole READ yPosRole WRITE setYPosRole) + Q_PROPERTY(QString zPosRole READ zPosRole WRITE setZPosRole) + +public: + explicit QItemModelScatterDataMapping(QObject *parent = 0); + QItemModelScatterDataMapping(const QString &xPosRole, const QString &yPosRole, + const QString &zPosRole, QObject *parent = 0); + virtual ~QItemModelScatterDataMapping(); + + void setXPosRole(const QString &role); + QString xPosRole() const; + void setYPosRole(const QString &role); + QString yPosRole() const; + void setZPosRole(const QString &role); + QString zPosRole() const; + + void remap(const QString &xPosRole, const QString &yPosRole, const QString &zPosRole); + +protected: + QItemModelScatterDataMappingPrivate *dptr(); + const QItemModelScatterDataMappingPrivate *dptrc() const; + +private: + Q_DISABLE_COPY(QItemModelScatterDataMapping) +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qitemmodelscatterdatamapping_p.h b/src/datavisualization/data/qitemmodelscatterdatamapping_p.h new file mode 100644 index 00000000..62ff42b4 --- /dev/null +++ b/src/datavisualization/data/qitemmodelscatterdatamapping_p.h @@ -0,0 +1,56 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef QITEMMODELSCATTERDATAMAPPING_P_H +#define QITEMMODELSCATTERDATAMAPPING_P_H + +#include "qitemmodelscatterdatamapping.h" +#include "qabstractdatamapping_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QItemModelScatterDataMappingPrivate : public QAbstractDataMappingPrivate +{ + Q_OBJECT +public: + QItemModelScatterDataMappingPrivate(QItemModelScatterDataMapping *q); + virtual ~QItemModelScatterDataMappingPrivate(); + +private: + //QString m_labelRole; + QString m_xPosRole; + QString m_yPosRole; + QString m_zPosRole; + //QString m_valueRole; + + friend class QItemModelScatterDataMapping; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qitemmodelscatterdataproxy.cpp b/src/datavisualization/data/qitemmodelscatterdataproxy.cpp new file mode 100644 index 00000000..b037d4d1 --- /dev/null +++ b/src/datavisualization/data/qitemmodelscatterdataproxy.cpp @@ -0,0 +1,196 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "qitemmodelscatterdataproxy_p.h" +#include "scatteritemmodelhandler_p.h" +#include <QTimer> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class QItemModelScatterDataProxy + * \inmodule QtDataVisualization + * \brief Proxy class for presenting data in item models with Q3DScatter. + * \since 1.0.0 + * + * QItemModelScatterDataProxy allows you to use QAbstractItemModel derived models as a data source + * for Q3DScatter. It maps roles defined in QItemModelScatterDataMapping to roles in the model. + * + * Data is resolved asynchronously whenever the mapping or the model changes. + * QScatterDataProxy::arrayReset() is emitted when the data has been resolved. + * + * /sa {Qt Data Visualization Data Handling} + */ + +/*! + * \qmltype ItemModelScatterDataProxy + * \inqmlmodule com.digia.QtDataVisualization 1.0 + * \since com.digia.QtDataVisualization 1.0 + * \ingroup datavisualization_qml + * \instantiates QItemModelScatterDataProxy + * \inherits ScatterDataProxy + * \brief Proxy class for presenting data in item models with Scatter3D. + * + * This type allows you to use AbstractItemModel derived models as a data source for Scatter3D. + * + * Data is resolved asynchronously whenever the mapping or the model changes. + * QScatterDataProxy::arrayReset() is emitted when the data has been resolved. + * + * Usage example: + * + * \snippet doc_src_qmldatavisualization.cpp 8 + * + * \sa ScatterDataProxy, ScatterDataMapping, {Qt Data Visualization Data Handling} + */ + +/*! + * \qmlproperty list ItemModelScatterDataProxy::itemModel + * The item model. + */ + +/*! + * \qmlproperty list ItemModelScatterDataProxy::activeMapping + * The active mapping. Modifying a mapping that is set to the proxy will trigger data set + * re-resolving. + */ + +/*! + * Constructs QItemModelScatterDataProxy. + */ +QItemModelScatterDataProxy::QItemModelScatterDataProxy() : + QScatterDataProxy(new QItemModelScatterDataProxyPrivate(this)) +{ +} + +/*! + * Constructs QItemModelScatterDataProxy with \a itemModel and \a mapping. Does not take ownership + * of the model or the mapping, but does connect to them to listen for changes. + */ +QItemModelScatterDataProxy::QItemModelScatterDataProxy(const QAbstractItemModel *itemModel, + QItemModelScatterDataMapping *mapping) : + QScatterDataProxy(new QItemModelScatterDataProxyPrivate(this)) +{ + dptr()->m_itemModelHandler->setItemModel(itemModel); + dptr()->m_itemModelHandler->setActiveMapping(mapping); +} + +/*! + * Destroys QItemModelScatterDataProxy. + */ +QItemModelScatterDataProxy::~QItemModelScatterDataProxy() +{ +} + +/*! + * \property QItemModelScatterDataProxy::itemModel + * + * Defines item model. Does not take ownership of the model, but does connect to it to listen for + * changes. + */ +void QItemModelScatterDataProxy::setItemModel(const QAbstractItemModel *itemModel) +{ + dptr()->m_itemModelHandler->setItemModel(itemModel); +} + +const QAbstractItemModel *QItemModelScatterDataProxy::itemModel() const +{ + return dptrc()->m_itemModelHandler->itemModel(); +} + +/*! + * \property QItemModelScatterDataProxy::activeMapping + * + * Defines data mapping. Proxy takes ownership of the \a mapping. + * Modifying a mapping that is set to the proxy will trigger data set re-resolving. + */ +void QItemModelScatterDataProxy::setActiveMapping(QItemModelScatterDataMapping *mapping) +{ + dptr()->m_itemModelHandler->setActiveMapping(mapping); +} + +QItemModelScatterDataMapping *QItemModelScatterDataProxy::activeMapping() const +{ + return static_cast<QItemModelScatterDataMapping *>(dptrc()->m_itemModelHandler->activeMapping()); +} + +/*! + * Transfers the ownership of the \a mapping to this proxy. The mapping is not taken to use yet. + * \sa setActiveMapping(), releaseMapping() + */ +void QItemModelScatterDataProxy::addMapping(QItemModelScatterDataMapping *mapping) +{ + dptr()->m_itemModelHandler->addMapping(mapping); +} + +/*! + * Releases the ownership of the \a mapping back to the caller. If the mapping was the currently + * active one, no mapping remains active after this call. + */ +void QItemModelScatterDataProxy::releaseMapping(QItemModelScatterDataMapping *mapping) +{ + dptr()->m_itemModelHandler->releaseMapping(mapping); +} + +/*! + * \return list of mappings owned by the proxy. + */ +QList<QItemModelScatterDataMapping *> QItemModelScatterDataProxy::mappings() const +{ + QList<QItemModelScatterDataMapping *> retList; + QList<QAbstractDataMapping *> abstractList = dptrc()->m_itemModelHandler->mappings(); + foreach (QAbstractDataMapping *mapping, abstractList) + retList.append(static_cast<QItemModelScatterDataMapping *>(mapping)); + + return retList; +} + +/*! + * \internal + */ +QItemModelScatterDataProxyPrivate *QItemModelScatterDataProxy::dptr() +{ + return static_cast<QItemModelScatterDataProxyPrivate *>(d_ptr.data()); +} + +/*! + * \internal + */ +const QItemModelScatterDataProxyPrivate *QItemModelScatterDataProxy::dptrc() const +{ + return static_cast<const QItemModelScatterDataProxyPrivate *>(d_ptr.data()); +} + +// QItemModelScatterDataProxyPrivate + +QItemModelScatterDataProxyPrivate::QItemModelScatterDataProxyPrivate(QItemModelScatterDataProxy *q) + : QScatterDataProxyPrivate(q), + m_itemModelHandler(new ScatterItemModelHandler(q)) +{ +} + +QItemModelScatterDataProxyPrivate::~QItemModelScatterDataProxyPrivate() +{ + delete m_itemModelHandler; +} + +QItemModelScatterDataProxy *QItemModelScatterDataProxyPrivate::qptr() +{ + return static_cast<QItemModelScatterDataProxy *>(q_ptr); +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/qitemmodelscatterdataproxy.h b/src/datavisualization/data/qitemmodelscatterdataproxy.h new file mode 100644 index 00000000..891950c1 --- /dev/null +++ b/src/datavisualization/data/qitemmodelscatterdataproxy.h @@ -0,0 +1,62 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QITEMMODELSCATTERDATAPROXY_H +#define QITEMMODELSCATTERDATAPROXY_H + +#include <QtDataVisualization/qscatterdataproxy.h> +#include <QtDataVisualization/qitemmodelscatterdatamapping.h> +#include <QAbstractItemModel> +#include <QStringList> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QItemModelScatterDataProxyPrivate; + +class QT_DATAVISUALIZATION_EXPORT QItemModelScatterDataProxy : public QScatterDataProxy +{ + Q_OBJECT + Q_PROPERTY(const QAbstractItemModel* itemModel READ itemModel WRITE setItemModel) + Q_PROPERTY(QItemModelScatterDataMapping* activeMapping READ activeMapping WRITE setActiveMapping) + +public: + explicit QItemModelScatterDataProxy(); + explicit QItemModelScatterDataProxy(const QAbstractItemModel *itemModel, + QItemModelScatterDataMapping *mapping); + virtual ~QItemModelScatterDataProxy(); + + void setItemModel(const QAbstractItemModel *itemModel); + const QAbstractItemModel *itemModel() const; + + void setActiveMapping(QItemModelScatterDataMapping *mapping); + QItemModelScatterDataMapping *activeMapping() const; + void addMapping(QItemModelScatterDataMapping *mapping); + void releaseMapping(QItemModelScatterDataMapping *mapping); + QList<QItemModelScatterDataMapping *> mappings() const; + +protected: + QItemModelScatterDataProxyPrivate *dptr(); + const QItemModelScatterDataProxyPrivate *dptrc() const; + +private: + Q_DISABLE_COPY(QItemModelScatterDataProxy) +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qitemmodelscatterdataproxy_p.h b/src/datavisualization/data/qitemmodelscatterdataproxy_p.h new file mode 100644 index 00000000..854062a3 --- /dev/null +++ b/src/datavisualization/data/qitemmodelscatterdataproxy_p.h @@ -0,0 +1,58 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef QITEMMODELSCATTERDATAPROXY_P_H +#define QITEMMODELSCATTERDATAPROXY_P_H + +#include "qitemmodelscatterdataproxy.h" +#include "qscatterdataproxy_p.h" +#include <QPointer> +#include <QTimer> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class ScatterItemModelHandler; + +class QItemModelScatterDataProxyPrivate : public QScatterDataProxyPrivate +{ + Q_OBJECT +public: + QItemModelScatterDataProxyPrivate(QItemModelScatterDataProxy *q); + virtual ~QItemModelScatterDataProxyPrivate(); + +private: + QItemModelScatterDataProxy *qptr(); + + ScatterItemModelHandler *m_itemModelHandler; + + friend class QItemModelScatterDataProxy; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qitemmodelsurfacedatamapping.cpp b/src/datavisualization/data/qitemmodelsurfacedatamapping.cpp new file mode 100644 index 00000000..5388ec18 --- /dev/null +++ b/src/datavisualization/data/qitemmodelsurfacedatamapping.cpp @@ -0,0 +1,411 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "qitemmodelsurfacedatamapping_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class QItemModelSurfaceDataMapping + * \inmodule QtDataVisualization + * \brief Item model mapping for Q3DSurface. + * \since 1.0.0 + * + * QItemModelSurfaceDataMapping is used to map roles of QAbstractItemModel to rows, columns, and values + * of Q3DSurface. There are three ways to use QItemModelSurfaceDataMapping: + * + * 1) If useModelCategories property is set to true, QItemModelSurfaceDataMapping will map rows and + * columns of QAbstractItemModel to rows and columns of Q3DSurface, and uses the value returned for + * Qt::DisplayRole as bar value by default. + * The value role to be used can be redefined if Qt::DisplayRole is not suitable. + * + * 2) For models that do not have data already neatly sorted into rows and columns, such as + * QAbstractListModel based models, you can define a role from the model to map for each of row, + * column and value. + * + * 3) If you do not want to include all data contained in the model, or the autogenerated rows and + * columns are not ordered as you wish, you can specify which rows and columns should be included + * and in which order by defining an explicit list of categories for either or both of rows and + * columns. + * + * For example, assume that you have a custom QAbstractItemModel storing surface topography data. + * Each item in the model has roles "longitude", "latitude" and "height". The item model already + * contains the data properly sorted so that longitudes and latitudes are first encountered in + * correct order, which enables us to utilize the row and column category autogeneration. + * You could do the following to display the data in a surface graph: + * + * \snippet doc_src_qtdatavisualization.cpp 5 + * + * \sa QItemModelSurfaceDataProxy, {Qt Data Visualization Data Handling} + */ + +/*! + * \qmltype SurfaceDataMapping + * \inqmlmodule com.digia.QtDataVisualization 1.0 + * \since com.digia.QtDataVisualization 1.0 + * \ingroup datavisualization_qml + * \instantiates QItemModelSurfaceDataMapping + * \brief Item model mapping for Surface3D. + * + * This type is used to map roles of AbstractItemModel to rows, columns, and values of Surface3D. + * For more complete description, see QItemModelSurfaceDataMapping. + * + * Usage example: + * + * \snippet doc_src_qmldatavisualization.cpp 6 + * + * \sa ItemModelSurfaceDataProxy, {Qt Data Visualization Data Handling} + */ + +/*! + * \qmlproperty string SurfaceDataMapping::rowRole + * The row role of the mapping. + */ + +/*! + * \qmlproperty string SurfaceDataMapping::columnRole + * The column role of the mapping. + */ + +/*! + * \qmlproperty string SurfaceDataMapping::valueRole + * The value role of the mapping. + */ + +/*! + * \qmlproperty list SurfaceDataMapping::rowCategories + * The row categories of the mapping. Only items with row roles that are found in this list are + * included when data is resolved. The rows are ordered in the same order as they are in this list. + */ + +/*! + * \qmlproperty list SurfaceDataMapping::columnCategories + * The column categories of the mapping. Only items with column roles that are found in this list are + * included when data is resolved. The columns are ordered in the same order as they are in this list. + */ + +/*! + * \qmlproperty list SurfaceDataMapping::useModelCategories + * When set to true, the mapping ignores row and column roles and categories, and uses + * the rows and columns from the model instead. Defaults to false. + */ + +/*! + * \qmlproperty list SurfaceDataMapping::autoRowCategories + * When set to true, the mapping ignores any explicitly set row categories + * and overwrites them with automatically generated ones whenever the + * data from model is resolved. Proxy minimum and maximum row values are also + * autogenerated from data when this is set to true. Defaults to true. + */ + +/*! + * \qmlproperty list SurfaceDataMapping::autoColumnCategories + * When set to true, the mapping ignores any explicitly set column categories + * and overwrites them with automatically generated ones whenever the + * data from model is resolved. Proxy minimum and maximum column values are also + * autogenerated from data when this is set to true. Defaults to true. + */ + +/*! + * Constructs QItemModelSurfaceDataMapping with the given \a parent. + */ +QItemModelSurfaceDataMapping::QItemModelSurfaceDataMapping(QObject *parent) + : QAbstractDataMapping(new QItemModelSurfaceDataMappingPrivate(this), parent) +{ +} + +/*! + * Constructs QItemModelSurfaceDataMapping with \a valueRole and the given \a parent. + * This constructor is meant to be used with models that have data properly sorted + * in rows and columns already, so it also sets useModelCategories property to true. + */ +QItemModelSurfaceDataMapping::QItemModelSurfaceDataMapping(const QString &valueRole, QObject *parent) + : QAbstractDataMapping(new QItemModelSurfaceDataMappingPrivate(this), parent) +{ + dptr()->m_valueRole = valueRole; + dptr()->m_useModelCategories = true; +} + +/*! + * Constructs QItemModelSurfaceDataMapping with \a rowRole, \a columnRole, \a valueRole + * and the given \a parent. + */ +QItemModelSurfaceDataMapping::QItemModelSurfaceDataMapping(const QString &rowRole, + const QString &columnRole, + const QString &valueRole, + QObject *parent) + : QAbstractDataMapping(new QItemModelSurfaceDataMappingPrivate(this), parent) +{ + dptr()->m_rowRole = rowRole; + dptr()->m_columnRole = columnRole; + dptr()->m_valueRole = valueRole; +} + +/*! + * Constructs QItemModelSurfaceDataMapping with \a rowRole, \a columnRole, \a valueRole, + * \a rowCategories, \a columnCategories and the given \a parent. This constructor + * also sets autoRowCategories and autoColumnCategories to false. + */ +QItemModelSurfaceDataMapping::QItemModelSurfaceDataMapping(const QString &rowRole, + const QString &columnRole, + const QString &valueRole, + const QStringList &rowCategories, + const QStringList &columnCategories, + QObject *parent) + : QAbstractDataMapping(new QItemModelSurfaceDataMappingPrivate(this), parent) +{ + dptr()->m_rowRole = rowRole; + dptr()->m_columnRole = columnRole; + dptr()->m_valueRole = valueRole; + dptr()->m_rowCategories = rowCategories; + dptr()->m_columnCategories = columnCategories; + dptr()->m_autoRowCategories = false; + dptr()->m_autoColumnCategories = false; +} + +/*! + * Destroys QItemModelSurfaceDataMapping. + */ +QItemModelSurfaceDataMapping::~QItemModelSurfaceDataMapping() +{ +} + +/*! + * \property QItemModelSurfaceDataMapping::rowRole + * + * Defines the row role for the mapping. + */ +void QItemModelSurfaceDataMapping::setRowRole(const QString &role) +{ + if (dptr()->m_rowRole != role) { + dptr()->m_rowRole = role; + emit mappingChanged(); + } +} + +QString QItemModelSurfaceDataMapping::rowRole() const +{ + return dptrc()->m_rowRole; +} + +/*! + * \property QItemModelSurfaceDataMapping::columnRole + * + * Defines the column role for the mapping. + */ +void QItemModelSurfaceDataMapping::setColumnRole(const QString &role) +{ + if (dptr()->m_columnRole != role) { + dptr()->m_columnRole = role; + emit mappingChanged(); + } +} + +QString QItemModelSurfaceDataMapping::columnRole() const +{ + return dptrc()->m_columnRole; +} + +/*! + * \property QItemModelSurfaceDataMapping::valueRole + * + * Defines the value role for the mapping. + */ +void QItemModelSurfaceDataMapping::setValueRole(const QString &role) +{ + if (dptr()->m_valueRole != role) { + dptr()->m_valueRole = role; + emit mappingChanged(); + } +} + +QString QItemModelSurfaceDataMapping::valueRole() const +{ + return dptrc()->m_valueRole; +} + +/*! + * \property QItemModelSurfaceDataMapping::rowCategories + * + * Defines the row categories for the mapping. + */ +void QItemModelSurfaceDataMapping::setRowCategories(const QStringList &categories) +{ + if (dptr()->m_rowCategories != categories) { + dptr()->m_rowCategories = categories; + emit mappingChanged(); + } +} + +QStringList QItemModelSurfaceDataMapping::rowCategories() const +{ + return dptrc()->m_rowCategories; +} + +/*! + * \property QItemModelSurfaceDataMapping::columnCategories + * + * Defines the column categories for the mapping. + */ +void QItemModelSurfaceDataMapping::setColumnCategories(const QStringList &categories) +{ + if (dptr()->m_columnCategories != categories) { + dptr()->m_columnCategories = categories; + emit mappingChanged(); + } +} + +QStringList QItemModelSurfaceDataMapping::columnCategories() const +{ + return dptrc()->m_columnCategories; +} + +/*! + * \property QItemModelSurfaceDataMapping::useModelCategories + * + * When set to true, the mapping ignores row and column roles and categories, and uses + * the rows and columns from the model instead. Defaults to false. + */ +void QItemModelSurfaceDataMapping::setUseModelCategories(bool enable) +{ + if (dptr()->m_useModelCategories != enable) { + dptr()->m_useModelCategories = enable; + emit mappingChanged(); + } +} + +bool QItemModelSurfaceDataMapping::useModelCategories() const +{ + return dptrc()->m_useModelCategories; +} + +/*! + * \property QItemModelSurfaceDataMapping::autoRowCategories + * + * When set to true, the mapping ignores any explicitly set row categories + * and overwrites them with automatically generated ones whenever the + * data from model is resolved. Proxy minimum and maximum row values are also + * autogenerated from data when this is set to true. Defaults to true. + */ +void QItemModelSurfaceDataMapping::setAutoRowCategories(bool enable) +{ + if (dptr()->m_autoRowCategories != enable) { + dptr()->m_autoRowCategories = enable; + emit mappingChanged(); + } +} + +bool QItemModelSurfaceDataMapping::autoRowCategories() const +{ + return dptrc()->m_autoRowCategories; +} + +/*! + * \property QItemModelSurfaceDataMapping::autoColumnCategories + * + * When set to true, the mapping ignores any explicitly set column categories + * and overwrites them with automatically generated ones whenever the + * data from model is resolved. Proxy minimum and maximum column values are also + * autogenerated from data when this is set to true. Defaults to true. + */ +void QItemModelSurfaceDataMapping::setAutoColumnCategories(bool enable) +{ + if (dptr()->m_autoColumnCategories != enable) { + dptr()->m_autoColumnCategories = enable; + emit mappingChanged(); + } +} + +bool QItemModelSurfaceDataMapping::autoColumnCategories() const +{ + return dptrc()->m_autoColumnCategories; +} + +/*! + * Changes \a rowRole, \a columnRole, \a valueRole, \a rowCategories and \a columnCategories to the + * mapping. + */ +void QItemModelSurfaceDataMapping::remap(const QString &rowRole, + const QString &columnRole, + const QString &valueRole, + const QStringList &rowCategories, + const QStringList &columnCategories) +{ + dptr()->m_rowRole = rowRole; + dptr()->m_columnRole = columnRole; + dptr()->m_valueRole = valueRole; + dptr()->m_rowCategories = rowCategories; + dptr()->m_columnCategories = columnCategories; + + emit mappingChanged(); +} + +/*! + * /return index of the specified \a category in row categories list. + * If the row categories list is empty, -1 is returned. + * \note If the automatic row categories generation is in use, this method will + * not return valid index before the data in the model is resolved for the first time. + */ +int QItemModelSurfaceDataMapping::rowCategoryIndex(const QString &category) +{ + return dptr()->m_rowCategories.indexOf(category); +} + +/*! + * /return index of the specified \a category in column categories list. + * \note If the automatic column categories generation is in use, this method will + * not return valid index before the data in the model is resolved for the first time. + */ +int QItemModelSurfaceDataMapping::columnCategoryIndex(const QString &category) +{ + return dptr()->m_columnCategories.indexOf(category); +} + +/*! + * \internal + */ +QItemModelSurfaceDataMappingPrivate *QItemModelSurfaceDataMapping::dptr() +{ + return static_cast<QItemModelSurfaceDataMappingPrivate *>(d_ptr.data()); +} + +/*! + * \internal + */ +const QItemModelSurfaceDataMappingPrivate *QItemModelSurfaceDataMapping::dptrc() const +{ + return static_cast<const QItemModelSurfaceDataMappingPrivate *>(d_ptr.data()); +} + +// QItemModelSurfaceDataMappingPrivate + +QItemModelSurfaceDataMappingPrivate::QItemModelSurfaceDataMappingPrivate(QItemModelSurfaceDataMapping *q) + : QAbstractDataMappingPrivate(q, QAbstractDataProxy::DataTypeSurface), + m_useModelCategories(false), + m_autoRowCategories(true), + m_autoColumnCategories(true) +{ +} + +QItemModelSurfaceDataMappingPrivate::~QItemModelSurfaceDataMappingPrivate() +{ +} + + +QT_DATAVISUALIZATION_END_NAMESPACE + diff --git a/src/datavisualization/data/qitemmodelsurfacedatamapping.h b/src/datavisualization/data/qitemmodelsurfacedatamapping.h new file mode 100644 index 00000000..7e8817bf --- /dev/null +++ b/src/datavisualization/data/qitemmodelsurfacedatamapping.h @@ -0,0 +1,90 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QITEMMODELSURFACEDATAMAPPING_H +#define QITEMMODELSURFACEDATAMAPPING_H + +#include <QtDataVisualization/qdatavisualizationenums.h> +#include <QtDataVisualization/qabstractdatamapping.h> +#include <QStringList> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QItemModelSurfaceDataMappingPrivate; + +class QT_DATAVISUALIZATION_EXPORT QItemModelSurfaceDataMapping : public QAbstractDataMapping +{ + Q_OBJECT + Q_PROPERTY(QString rowRole READ rowRole WRITE setRowRole) + Q_PROPERTY(QString columnRole READ columnRole WRITE setColumnRole) + Q_PROPERTY(QString valueRole READ valueRole WRITE setValueRole) + Q_PROPERTY(QStringList rowCategories READ rowCategories WRITE setRowCategories) + Q_PROPERTY(QStringList columnCategories READ columnCategories WRITE setColumnCategories) + Q_PROPERTY(bool useModelCategories READ useModelCategories WRITE setUseModelCategories) + Q_PROPERTY(bool autoRowCategories READ autoRowCategories WRITE setAutoRowCategories) + Q_PROPERTY(bool autoColumnCategories READ autoColumnCategories WRITE setAutoColumnCategories) + +public: + explicit QItemModelSurfaceDataMapping(QObject *parent = 0); + QItemModelSurfaceDataMapping(const QString &valueRole, QObject *parent = 0); + QItemModelSurfaceDataMapping(const QString &rowRole, const QString &columnRole, + const QString &valueRole, QObject *parent = 0); + QItemModelSurfaceDataMapping(const QString &rowRole, const QString &columnRole, + const QString &valueRole, const QStringList &rowCategories, + const QStringList &columnCategories, QObject *parent = 0); + virtual ~QItemModelSurfaceDataMapping(); + + void setRowRole(const QString &role); + QString rowRole() const; + void setColumnRole(const QString &role); + QString columnRole() const; + void setValueRole(const QString &role); + QString valueRole() const; + + void setRowCategories(const QStringList &categories); + QStringList rowCategories() const; + void setColumnCategories(const QStringList &categories); + QStringList columnCategories() const; + + void setUseModelCategories(bool enable); + bool useModelCategories() const; + void setAutoRowCategories(bool enable); + bool autoRowCategories() const; + void setAutoColumnCategories(bool enable); + bool autoColumnCategories() const; + + void remap(const QString &rowRole, const QString &columnRole, + const QString &valueRole, const QStringList &rowCategories, + const QStringList &columnCategories); + + Q_INVOKABLE int rowCategoryIndex(const QString& category); + Q_INVOKABLE int columnCategoryIndex(const QString& category); + +protected: + QItemModelSurfaceDataMappingPrivate *dptr(); + const QItemModelSurfaceDataMappingPrivate *dptrc() const; + +private: + Q_DISABLE_COPY(QItemModelSurfaceDataMapping) + + friend class SurfaceItemModelHandler; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qitemmodelsurfacedatamapping_p.h b/src/datavisualization/data/qitemmodelsurfacedatamapping_p.h new file mode 100644 index 00000000..9896f868 --- /dev/null +++ b/src/datavisualization/data/qitemmodelsurfacedatamapping_p.h @@ -0,0 +1,63 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#include "qitemmodelsurfacedatamapping.h" +#include "qabstractdatamapping_p.h" + +#ifndef QITEMMODELSURFACEDATAMAPPING_P_H +#define QITEMMODELSURFACEDATAMAPPING_P_H + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QItemModelSurfaceDataMappingPrivate : public QAbstractDataMappingPrivate +{ + Q_OBJECT +public: + QItemModelSurfaceDataMappingPrivate(QItemModelSurfaceDataMapping *q); + virtual ~QItemModelSurfaceDataMappingPrivate(); + +private: + QString m_rowRole; + QString m_columnRole; + QString m_valueRole; + + // For row/column items, sort items into these categories. Other categories are ignored. + QStringList m_rowCategories; + QStringList m_columnCategories; + + bool m_useModelCategories; + bool m_autoRowCategories; + bool m_autoColumnCategories; + + friend class QItemModelSurfaceDataMapping; + friend class SurfaceItemModelHandler; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qitemmodelsurfacedataproxy.cpp b/src/datavisualization/data/qitemmodelsurfacedataproxy.cpp new file mode 100644 index 00000000..f6403e9b --- /dev/null +++ b/src/datavisualization/data/qitemmodelsurfacedataproxy.cpp @@ -0,0 +1,198 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "qitemmodelsurfacedataproxy_p.h" +#include "surfaceitemmodelhandler_p.h" +#include <QTimer> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +// TODO: CHECK DOCUMENTATION! + +/*! + * \class QItemModelSurfaceDataProxy + * \inmodule QtDataVisualization + * \brief Proxy class for presenting data in item models with Q3DSurface. + * \since 1.0.0 + * + * QItemModelSurfaceDataProxy allows you to use QAbstractItemModel derived models as a data source + * for Q3DSurface. It maps roles defined in QItemModelSurfaceDataMapping to roles in the model. + * + * Data is resolved asynchronously whenever the mapping or the model changes. + * QSurfaceDataProxy::arrayReset() is emitted when the data has been resolved. + * + * /sa {Qt Data Visualization Data Handling} + */ + +/*! + * \qmltype ItemModelSurfaceDataProxy + * \inqmlmodule com.digia.QtDataVisualization 1.0 + * \since com.digia.QtDataVisualization 1.0 + * \ingroup datavisualization_qml + * \instantiates QItemModelSurfaceDataProxy + * \inherits SurfaceDataProxy + * \brief Proxy class for presenting data in item models with Surface3D. + * + * This type allows you to use AbstractItemModel derived models as a data source for Surface3D. + * + * Data is resolved asynchronously whenever the mapping or the model changes. + * QSurfaceDataProxy::arrayReset() is emitted when the data has been resolved. + * + * Usage example: + * + * \snippet doc_src_qmldatavisualization.cpp 9 + * + * \sa SurfaceDataProxy, SurfaceDataMapping, {Qt Data Visualization Data Handling} + */ + +/*! + * \qmlproperty list ItemModelSurfaceDataProxy::itemModel + * The item model. + */ + +/*! + * \qmlproperty list ItemModelSurfaceDataProxy::activeMapping + * The active mapping. Modifying a mapping that is set to the proxy will trigger data set + * re-resolving. + */ + +/*! + * Constructs QItemModelSurfaceDataProxy. + */ +QItemModelSurfaceDataProxy::QItemModelSurfaceDataProxy() : + QSurfaceDataProxy(new QItemModelSurfaceDataProxyPrivate(this)) +{ +} + +/*! + * Constructs QItemModelSurfaceDataProxy with \a itemModel and \a mapping. Does not take ownership + * of the model or the mapping, but does connect to them to listen for changes. + */ +QItemModelSurfaceDataProxy::QItemModelSurfaceDataProxy(const QAbstractItemModel *itemModel, + QItemModelSurfaceDataMapping *mapping) : + QSurfaceDataProxy(new QItemModelSurfaceDataProxyPrivate(this)) +{ + dptr()->m_itemModelHandler->setItemModel(itemModel); + dptr()->m_itemModelHandler->setActiveMapping(mapping); +} + +/*! + * Destroys QItemModelSurfaceDataProxy. + */ +QItemModelSurfaceDataProxy::~QItemModelSurfaceDataProxy() +{ +} + +/*! + * \property QItemModelSurfaceDataProxy::itemModel + * + * Defines item model. Does not take ownership of the model, but does connect to it to listen for + * changes. + */ +void QItemModelSurfaceDataProxy::setItemModel(const QAbstractItemModel *itemModel) +{ + dptr()->m_itemModelHandler->setItemModel(itemModel); +} + +const QAbstractItemModel *QItemModelSurfaceDataProxy::itemModel() const +{ + return dptrc()->m_itemModelHandler->itemModel(); +} + +/*! + * \property QItemModelSurfaceDataProxy::activeMapping + * + * Defines data mapping. Proxy takes ownership of the \a mapping. + * Modifying a mapping that is set to the proxy will trigger data set re-resolving. + */ +void QItemModelSurfaceDataProxy::setActiveMapping(QItemModelSurfaceDataMapping *mapping) +{ + dptr()->m_itemModelHandler->setActiveMapping(mapping); +} + +QItemModelSurfaceDataMapping *QItemModelSurfaceDataProxy::activeMapping() const +{ + return static_cast<QItemModelSurfaceDataMapping *>(dptrc()->m_itemModelHandler->activeMapping()); +} + +/*! + * Transfers the ownership of the \a mapping to this proxy. The mapping is not taken to use yet. + * \sa setActiveMapping(), releaseMapping() + */ +void QItemModelSurfaceDataProxy::addMapping(QItemModelSurfaceDataMapping *mapping) +{ + dptr()->m_itemModelHandler->addMapping(mapping); +} + +/*! + * Releases the ownership of the \a mapping back to the caller. If the mapping was the currently + * active one, no mapping remains active after this call. + */ +void QItemModelSurfaceDataProxy::releaseMapping(QItemModelSurfaceDataMapping *mapping) +{ + dptr()->m_itemModelHandler->releaseMapping(mapping); +} + +/*! + * \return list of mappings owned by the proxy. + */ +QList<QItemModelSurfaceDataMapping *> QItemModelSurfaceDataProxy::mappings() const +{ + QList<QItemModelSurfaceDataMapping *> retList; + QList<QAbstractDataMapping *> abstractList = dptrc()->m_itemModelHandler->mappings(); + foreach (QAbstractDataMapping *mapping, abstractList) + retList.append(static_cast<QItemModelSurfaceDataMapping *>(mapping)); + + return retList; +} + +/*! + * \internal + */ +QItemModelSurfaceDataProxyPrivate *QItemModelSurfaceDataProxy::dptr() +{ + return static_cast<QItemModelSurfaceDataProxyPrivate *>(d_ptr.data()); +} + +/*! + * \internal + */ +const QItemModelSurfaceDataProxyPrivate *QItemModelSurfaceDataProxy::dptrc() const +{ + return static_cast<const QItemModelSurfaceDataProxyPrivate *>(d_ptr.data()); +} + +// QItemModelSurfaceDataProxyPrivate + +QItemModelSurfaceDataProxyPrivate::QItemModelSurfaceDataProxyPrivate(QItemModelSurfaceDataProxy *q) + : QSurfaceDataProxyPrivate(q), + m_itemModelHandler(new SurfaceItemModelHandler(q)) +{ +} + +QItemModelSurfaceDataProxyPrivate::~QItemModelSurfaceDataProxyPrivate() +{ + delete m_itemModelHandler; +} + +QItemModelSurfaceDataProxy *QItemModelSurfaceDataProxyPrivate::qptr() +{ + return static_cast<QItemModelSurfaceDataProxy *>(q_ptr); +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/qitemmodelsurfacedataproxy.h b/src/datavisualization/data/qitemmodelsurfacedataproxy.h new file mode 100644 index 00000000..080bf54b --- /dev/null +++ b/src/datavisualization/data/qitemmodelsurfacedataproxy.h @@ -0,0 +1,62 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QITEMMODELSURFACEDATAPROXY_H +#define QITEMMODELSURFACEDATAPROXY_H + +#include <QtDataVisualization/qsurfacedataproxy.h> +#include <QtDataVisualization/qitemmodelsurfacedatamapping.h> +#include <QAbstractItemModel> +#include <QStringList> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QItemModelSurfaceDataProxyPrivate; + +class QT_DATAVISUALIZATION_EXPORT QItemModelSurfaceDataProxy : public QSurfaceDataProxy +{ + Q_OBJECT + Q_PROPERTY(const QAbstractItemModel* itemModel READ itemModel WRITE setItemModel) + Q_PROPERTY(QItemModelSurfaceDataMapping* activeMapping READ activeMapping WRITE setActiveMapping) + +public: + explicit QItemModelSurfaceDataProxy(); + explicit QItemModelSurfaceDataProxy(const QAbstractItemModel *itemModel, + QItemModelSurfaceDataMapping *mapping); + virtual ~QItemModelSurfaceDataProxy(); + + void setItemModel(const QAbstractItemModel *itemModel); + const QAbstractItemModel *itemModel() const; + + void setActiveMapping(QItemModelSurfaceDataMapping *mapping); + QItemModelSurfaceDataMapping *activeMapping() const; + void addMapping(QItemModelSurfaceDataMapping *mapping); + void releaseMapping(QItemModelSurfaceDataMapping *mapping); + QList<QItemModelSurfaceDataMapping *> mappings() const; + +protected: + QItemModelSurfaceDataProxyPrivate *dptr(); + const QItemModelSurfaceDataProxyPrivate *dptrc() const; + +private: + Q_DISABLE_COPY(QItemModelSurfaceDataProxy) +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qitemmodelsurfacedataproxy_p.h b/src/datavisualization/data/qitemmodelsurfacedataproxy_p.h new file mode 100644 index 00000000..ff9d13de --- /dev/null +++ b/src/datavisualization/data/qitemmodelsurfacedataproxy_p.h @@ -0,0 +1,58 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef QITEMMODELSURFACEDATAPROXY_P_H +#define QITEMMODELSURFACEDATAPROXY_P_H + +#include "qitemmodelsurfacedataproxy.h" +#include "qsurfacedataproxy_p.h" +#include <QPointer> +#include <QTimer> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class SurfaceItemModelHandler; + +class QItemModelSurfaceDataProxyPrivate : public QSurfaceDataProxyPrivate +{ + Q_OBJECT +public: + QItemModelSurfaceDataProxyPrivate(QItemModelSurfaceDataProxy *q); + virtual ~QItemModelSurfaceDataProxyPrivate(); + +private: + QItemModelSurfaceDataProxy *qptr(); + + SurfaceItemModelHandler *m_itemModelHandler; + + friend class QItemModelSurfaceDataProxy; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qscatterdataitem.cpp b/src/datavisualization/data/qscatterdataitem.cpp new file mode 100644 index 00000000..055a9dad --- /dev/null +++ b/src/datavisualization/data/qscatterdataitem.cpp @@ -0,0 +1,153 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "qscatterdataitem_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class QScatterDataItem + * \inmodule QtDataVisualization + * \brief The QScatterDataItem class provides a container for resolved data to be added to scatter + * graphs. + * \since 1.0.0 + * + * A QScatterDataItem holds data for a single rendered item in a scatter graph. + * Scatter data proxies parse data into QScatterDataItem instances for visualizing. + * + * \sa QScatterDataProxy, {Qt Data Visualization C++ Classes} + */ + +/*! + * Constructs QScatterDataItem. + */ +QScatterDataItem::QScatterDataItem() + : d_ptr(0) // private data doesn't exist by default (optimization) + +{ +} + +/*! + * Constructs QScatterDataItem with \a position. + */ +QScatterDataItem::QScatterDataItem(const QVector3D &position) + : d_ptr(0), + m_position(position) +{ +} + +/*! + * Constructs a copy of \a other. + */ +QScatterDataItem::QScatterDataItem(const QScatterDataItem &other) +{ + operator=(other); +} + +/*! + * Destroys QScatterDataItem. + */ +QScatterDataItem::~QScatterDataItem() +{ +} + +/*! + * Assigns a copy of \a other to this object. + */ +QScatterDataItem &QScatterDataItem::operator=(const QScatterDataItem &other) +{ + m_position = other.m_position; + //m_size = other.m_size; + + if (other.d_ptr) + createExtraData(); + else + d_ptr = 0; + // TODO set extra data + + return *this; +} + +/*! + * \fn void QScatterDataItem::setPosition(const QVector3D &position) + * Sets \a position to this data item. + */ + +/*! + * \fn QVector3D QScatterDataItem::position() const + * \return position of this data item. + */ + +/*! + * \fn void QScatterDataItem::setX(float value) + * Sets the X component of the item position to the \a value. + */ + +/*! + * \fn void QScatterDataItem::setY(float value) + * Sets the Y component of the item position to the \a value. + */ + +/*! + * \fn void QScatterDataItem::setZ(float value) + * Sets the Z component of the item position to the \a value. + */ + +/*! + * \fn float QScatterDataItem::x() const + * \return the X component of the position of this data item. + */ + +/*! + * \fn float QScatterDataItem::y() const + * \return the Y component of the position of this data item. + */ + +/*! + * \fn float QScatterDataItem::z() const + * \return the Z component of the position of this data item. + */ + +//void QScatterDataItem::setSize(qreal size) +//{ +// m_size = size; +//} + +//const qreal &QScatterDataItem::size() const +//{ +// return m_size; +//} + +/*! + * \internal + */ +void QScatterDataItem::createExtraData() +{ + if (!d_ptr) + d_ptr = new QScatterDataItemPrivate; +} + +QScatterDataItemPrivate::QScatterDataItemPrivate() +{ +} + +QScatterDataItemPrivate::~QScatterDataItemPrivate() +{ +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/qscatterdataitem.h b/src/datavisualization/data/qscatterdataitem.h new file mode 100644 index 00000000..29154259 --- /dev/null +++ b/src/datavisualization/data/qscatterdataitem.h @@ -0,0 +1,63 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QSCATTERDATAITEM_H +#define QSCATTERDATAITEM_H + +#include <QtDataVisualization/qdatavisualizationenums.h> +#include <QVector3D> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QScatterDataItemPrivate; + +class QT_DATAVISUALIZATION_EXPORT QScatterDataItem +{ +public: + QScatterDataItem(); + QScatterDataItem(const QVector3D &position); + QScatterDataItem(const QScatterDataItem &other); + ~QScatterDataItem(); + + QScatterDataItem &operator=(const QScatterDataItem &other); + + inline void setPosition(const QVector3D &position) { m_position = position; } + inline QVector3D position() const { return m_position; } + inline void setX(float value) { m_position.setX(value); } + inline void setY(float value) { m_position.setY(value); } + inline void setZ(float value) { m_position.setZ(value); } + inline float x() const { return m_position.x(); } + inline float y() const { return m_position.y(); } + inline float z() const { return m_position.z(); } + + //void setSize(qreal size); + //qreal size() const; + +protected: + virtual void createExtraData(); + + QScatterDataItemPrivate *d_ptr; + +private: + QVector3D m_position; + //qreal m_size; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qscatterdataitem_p.h b/src/datavisualization/data/qscatterdataitem_p.h new file mode 100644 index 00000000..acc67347 --- /dev/null +++ b/src/datavisualization/data/qscatterdataitem_p.h @@ -0,0 +1,51 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef QSCATTERDATAITEM_P_H +#define QSCATTERDATAITEM_P_H + +#include "datavisualizationglobal_p.h" +#include "qscatterdataitem.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QScatterDataItemPrivate +{ +public: + QScatterDataItemPrivate(); + virtual ~QScatterDataItemPrivate(); + + // TODO stores other data for scatter items besides position + +protected: + friend class QScatterDataItem; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qscatterdataproxy.cpp b/src/datavisualization/data/qscatterdataproxy.cpp new file mode 100644 index 00000000..4d83da8d --- /dev/null +++ b/src/datavisualization/data/qscatterdataproxy.cpp @@ -0,0 +1,367 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "qscatterdataproxy.h" +#include "qscatterdataproxy_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class QScatterDataProxy + * \inmodule QtDataVisualization + * \brief Base proxy class for Q3DScatter. + * \since 1.0.0 + * + * QScatterDataProxy handles adding, inserting, changing and removing data items. + * + * QScatterDataProxy takes ownership of all QScatterDataArrays and QScatterDataItems passed to it. + * + * QScatterDataProxy supports the following format tags for QAbstractDataProxy::setItemLabelFormat(): + * \table + * \row + * \li @xTitle \li Title from X axis + * \row + * \li @yTitle \li Title from Y axis + * \row + * \li @zTitle \li Title from Z axis + * \row + * \li @xLabel \li Item value formatted using the same format the X axis attached to the graph uses, + * see \l{Q3DValueAxis::setLabelFormat()} for more information. + * \row + * \li @yLabel \li Item value formatted using the same format the Y axis attached to the graph uses, + * see \l{Q3DValueAxis::setLabelFormat()} for more information. + * \row + * \li @zLabel \li Item value formatted using the same format the Z axis attached to the graph uses, + * see \l{Q3DValueAxis::setLabelFormat()} for more information. + * \endtable + * + * For example: + * \snippet doc_src_qtdatavisualization.cpp 2 + * + * /sa {Qt Data Visualization Data Handling} + */ + +/*! + * \qmltype ScatterDataProxy + * \inqmlmodule com.digia.QtDataVisualization 1.0 + * \since com.digia.QtDataVisualization 1.0 + * \ingroup datavisualization_qml + * \instantiates QScatterDataProxy + * \inherits AbstractDataProxy + * \brief Base proxy class for Scatter3D. + * + * This type handles adding, inserting, changing and removing data items. + * + * This type is uncreatable, but contains properties that are exposed via subtypes. + * + * For more complete description, see QScatterDataProxy. + * + * \sa ItemModelScatterDataProxy, {Qt Data Visualization Data Handling} + */ + +/*! + * \qmlproperty int ScatterDataProxy::itemCount + * Item count in the array. + */ + +/*! + * Constructs QScatterDataProxy with the given \a parent. + */ +QScatterDataProxy::QScatterDataProxy(QObject *parent) : + QAbstractDataProxy(new QScatterDataProxyPrivate(this), parent) +{ +} + +/*! + * \internal + */ +QScatterDataProxy::QScatterDataProxy(QScatterDataProxyPrivate *d, QObject *parent) : + QAbstractDataProxy(d, parent) +{ +} + +/*! + * Destroys QScatterDataProxy. + */ +QScatterDataProxy::~QScatterDataProxy() +{ +} + +/*! + * Takes ownership of the \a newArray. Clears the existing array and if the \a newArray is + * different than the existing array. If it's the same array, this just triggers arrayReset() + * signal. + * Passing null array deletes the old array and creates a new empty array. + */ +void QScatterDataProxy::resetArray(QScatterDataArray *newArray) +{ + if (dptr()->m_dataArray != newArray) + dptr()->resetArray(newArray); + + emit arrayReset(); +} + +/*! + * Changes a single item at \a index with \a item. + */ +void QScatterDataProxy::setItem(int index, const QScatterDataItem &item) +{ + dptr()->setItem(index, item); + emit itemsChanged(index, 1); +} + +/*! + * Changes items starting from \a index with \a items. + */ +void QScatterDataProxy::setItems(int index, const QScatterDataArray &items) +{ + dptr()->setItems(index, items); + emit itemsChanged(index, items.size()); +} + +/*! + * Adds a single \a item to the end of the array. + * + * \return index of the added item. + */ +int QScatterDataProxy::addItem(const QScatterDataItem &item) +{ + int addIndex = dptr()->addItem(item); + emit itemsAdded(addIndex, 1); + return addIndex; +} + +/*! + * Adds \a items to the end of the array. + * + * \return index of the first added item. + */ +int QScatterDataProxy::addItems(const QScatterDataArray &items) +{ + int addIndex = dptr()->addItems(items); + emit itemsAdded(addIndex, items.size()); + return addIndex; +} + +/*! + * Inserts a single \a item to \a index. If index is equal to data array size, item is added to + * the array. + */ +void QScatterDataProxy::insertItem(int index, const QScatterDataItem &item) +{ + dptr()->insertItem(index, item); + emit itemsInserted(index, 1); +} + +/*! + * Inserts \a items to \a index. If index is equal to data array size, items are added to the array. + */ +void QScatterDataProxy::insertItems(int index, const QScatterDataArray &items) +{ + dptr()->insertItems(index, items); + emit itemsInserted(index, items.size()); +} + +/*! + * Removes \a removeCount items starting from \a index. Attempting to remove items past the end of + * the array does nothing. + */ +void QScatterDataProxy::removeItems(int index, int removeCount) +{ + dptr()->removeItems(index, removeCount); + emit itemsRemoved(index, removeCount); +} + +/*! + * \property QScatterDataProxy::itemCount + * + * \return item count in the array. + */ +int QScatterDataProxy::itemCount() const +{ + return dptrc()->m_dataArray->size(); +} + +/*! + * \return pointer to the data array. + */ +const QScatterDataArray *QScatterDataProxy::array() const +{ + return dptrc()->m_dataArray; +} + +/*! + * \return pointer to the item at \a index. It is guaranteed to be valid only until next call + * that modifies data. + */ +const QScatterDataItem *QScatterDataProxy::itemAt(int index) const +{ + return &dptrc()->m_dataArray->at(index); +} + +/*! + * \internal + */ +QScatterDataProxyPrivate *QScatterDataProxy::dptr() +{ + return static_cast<QScatterDataProxyPrivate *>(d_ptr.data()); +} + +/*! + * \internal + */ +const QScatterDataProxyPrivate *QScatterDataProxy::dptrc() const +{ + return static_cast<const QScatterDataProxyPrivate *>(d_ptr.data()); +} + +/*! + * \fn void QScatterDataProxy::arrayReset() + * + * Emitted when data array is reset. + * If you change the whole array contents without calling resetArray(), you need to + * emit this signal yourself or the graph won't get updated. + */ + +/*! + * \fn void QScatterDataProxy::itemsAdded(int startIndex, int count) + * + * Emitted when items have been added. Provides \a startIndex and \a count of items added. + * If you add items directly to the array without calling addItem() or addItems(), you + * need to emit this signal yourself or the graph won't get updated. + */ + +/*! + * \fn void QScatterDataProxy::itemsChanged(int startIndex, int count) + * + * Emitted when items have changed. Provides \a startIndex and \a count of changed items. + * If you change items directly in the array without calling setItem() or setItems(), you + * need to emit this signal yourself or the graph won't get updated. + */ + +/*! + * \fn void QScatterDataProxy::itemsRemoved(int startIndex, int count) + * + * Emitted when items have been removed. Provides \a startIndex and \a count of items removed. + * Index may be over current array size if removed from end. + * If you remove items directly from the array without calling removeItems(), you + * need to emit this signal yourself or the graph won't get updated. + */ + +/*! + * \fn void QScatterDataProxy::itemsInserted(int startIndex, int count) + * + * Emitted when items have been inserted. Provides \a startIndex and \a count of inserted items. + * If you insert items directly into the array without calling insertItem() or insertItems(), you + * need to emit this signal yourself or the graph won't get updated. + */ + +// QScatterDataProxyPrivate + +QScatterDataProxyPrivate::QScatterDataProxyPrivate(QScatterDataProxy *q) + : QAbstractDataProxyPrivate(q, QAbstractDataProxy::DataTypeScatter), + m_dataArray(new QScatterDataArray) +{ + m_itemLabelFormat = QStringLiteral("(@xLabel, @yLabel, @zLabel)"); +} + +QScatterDataProxyPrivate::~QScatterDataProxyPrivate() +{ + m_dataArray->clear(); + delete m_dataArray; +} + +void QScatterDataProxyPrivate::resetArray(QScatterDataArray *newArray) +{ + if (!newArray) + newArray = new QScatterDataArray; + + if (newArray != m_dataArray) { + m_dataArray->clear(); + delete m_dataArray; + m_dataArray = newArray; + } +} + +void QScatterDataProxyPrivate::setItem(int index, const QScatterDataItem &item) +{ + Q_ASSERT(index >= 0 && index < m_dataArray->size()); + (*m_dataArray)[index] = item; +} + +void QScatterDataProxyPrivate::setItems(int index, const QScatterDataArray &items) +{ + Q_ASSERT(index >= 0 && (index + items.size()) <= m_dataArray->size()); + for (int i = 0; i < items.size(); i++) + (*m_dataArray)[index++] = items[i]; +} + +int QScatterDataProxyPrivate::addItem(const QScatterDataItem &item) +{ + int currentSize = m_dataArray->size(); + m_dataArray->append(item); + return currentSize; +} + +int QScatterDataProxyPrivate::addItems(const QScatterDataArray &items) +{ + int currentSize = m_dataArray->size(); + (*m_dataArray) += items; + return currentSize; +} + +void QScatterDataProxyPrivate::insertItem(int index, const QScatterDataItem &item) +{ + Q_ASSERT(index >= 0 && index <= m_dataArray->size()); + m_dataArray->insert(index, item); +} + +void QScatterDataProxyPrivate::insertItems(int index, const QScatterDataArray &items) +{ + Q_ASSERT(index >= 0 && index <= m_dataArray->size()); + for (int i = 0; i < items.size(); i++) + m_dataArray->insert(index++, items.at(i)); +} + +void QScatterDataProxyPrivate::removeItems(int index, int removeCount) +{ + Q_ASSERT(index >= 0); + int maxRemoveCount = m_dataArray->size() - index; + removeCount = qMin(removeCount, maxRemoveCount); + m_dataArray->remove(index, removeCount); +} + +QVector3D QScatterDataProxyPrivate::limitValues() +{ + QVector3D limits; + for (int i = 0; i < m_dataArray->size(); i++) { + const QScatterDataItem &item = m_dataArray->at(i); + float xValue = qAbs(item.position().x()); + if (limits.x() < xValue) + limits.setX(xValue); + float yValue = qAbs(item.position().y()); + if (limits.y() < yValue) + limits.setY(yValue); + float zValue = qAbs(item.position().z()); + if (limits.z() < zValue) + limits.setZ(zValue); + } + return limits; +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/qscatterdataproxy.h b/src/datavisualization/data/qscatterdataproxy.h new file mode 100644 index 00000000..178bc900 --- /dev/null +++ b/src/datavisualization/data/qscatterdataproxy.h @@ -0,0 +1,86 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QSCATTERDATAPROXY_H +#define QSCATTERDATAPROXY_H + +#include <QtDataVisualization/qabstractdataproxy.h> +#include <QtDataVisualization/qscatterdataitem.h> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +typedef QVector<QScatterDataItem> QScatterDataArray; + +class QScatterDataProxyPrivate; + +class QT_DATAVISUALIZATION_EXPORT QScatterDataProxy : public QAbstractDataProxy +{ + Q_OBJECT + + Q_PROPERTY(int itemCount READ itemCount) + +public: + explicit QScatterDataProxy(QObject *parent = 0); + virtual ~QScatterDataProxy(); + + // TODO: Replace first part of class description in docs with this once all TODOs are done: + /* + * QScatterDataProxy handles adding, inserting, changing and removing data items. + * QScatterDataProxy is optimized to use cases where the only defining characteristics of an + * individual scatter item are it's position and size. Modifying other data that might be + * added in the future such as color requires allocating additional data object for the bar. + */ + + int itemCount() const; + const QScatterDataArray *array() const; + const QScatterDataItem *itemAt(int index) const; + + void resetArray(QScatterDataArray *newArray); + + void setItem(int index, const QScatterDataItem &item); + void setItems(int index, const QScatterDataArray &items); + + int addItem(const QScatterDataItem &item); + int addItems(const QScatterDataArray &items); + + void insertItem(int index, const QScatterDataItem &item); + void insertItems(int index, const QScatterDataArray &items); + + void removeItems(int index, int removeCount); + +signals: + void arrayReset(); + void itemsAdded(int startIndex, int count); + void itemsChanged(int startIndex, int count); + void itemsRemoved(int startIndex, int count); + void itemsInserted(int startIndex, int count); + +protected: + explicit QScatterDataProxy(QScatterDataProxyPrivate *d, QObject *parent = 0); + QScatterDataProxyPrivate *dptr(); + const QScatterDataProxyPrivate *dptrc() const; + +private: + Q_DISABLE_COPY(QScatterDataProxy) + + friend class Scatter3DController; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qscatterdataproxy_p.h b/src/datavisualization/data/qscatterdataproxy_p.h new file mode 100644 index 00000000..9920e3a7 --- /dev/null +++ b/src/datavisualization/data/qscatterdataproxy_p.h @@ -0,0 +1,64 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef QSCATTERDATAPROXY_P_H +#define QSCATTERDATAPROXY_P_H + +#include "qscatterdataproxy.h" +#include "qabstractdataproxy_p.h" +#include "qscatterdataitem.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QScatterDataProxyPrivate : public QAbstractDataProxyPrivate +{ + Q_OBJECT +public: + QScatterDataProxyPrivate(QScatterDataProxy *q); + virtual ~QScatterDataProxyPrivate(); + + void resetArray(QScatterDataArray *newArray); + void setItem(int index, const QScatterDataItem &item); + void setItems(int index, const QScatterDataArray &items); + int addItem(const QScatterDataItem &item); + int addItems(const QScatterDataArray &items); + void insertItem(int index, const QScatterDataItem &item); + void insertItems(int index, const QScatterDataArray &items); + void removeItems(int index, int removeCount); + + QVector3D limitValues(); + +private: + QScatterDataArray *m_dataArray; + + friend class QScatterDataProxy; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QBARDATAPROXY_P_H diff --git a/src/datavisualization/data/qsurfacedataitem.cpp b/src/datavisualization/data/qsurfacedataitem.cpp new file mode 100644 index 00000000..19f8f347 --- /dev/null +++ b/src/datavisualization/data/qsurfacedataitem.cpp @@ -0,0 +1,143 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "qsurfacedataitem_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class QSurfaceDataItem + * \inmodule QtDataVisualization + * \brief The QSurfaceDataItem class provides a container for resolved data to be added to surface + * graphs. + * \since 1.0.0 + * + * A QSurfaceDataItem holds data for a single vertex in surface graph. + * Surface data proxies parse data into QSurfaceDataItem instances for visualizing. + * + * \sa QSurfaceDataProxy, {Qt Data Visualization C++ Classes} + */ + +/*! + * Constructs QSurfaceDataItem. + */ +QSurfaceDataItem::QSurfaceDataItem() + : d_ptr(0) // private data doesn't exist by default (optimization) + +{ +} + +/*! + * Constructs QSurfaceDataItem with \a position. + */ +QSurfaceDataItem::QSurfaceDataItem(const QVector3D &position) + : d_ptr(0), + m_position(position) +{ +} + +/*! + * Constructs a copy of \a other. + */ +QSurfaceDataItem::QSurfaceDataItem(const QSurfaceDataItem &other) +{ + operator=(other); +} + +/*! + * Destroys QSurfaceDataItem. + */ +QSurfaceDataItem::~QSurfaceDataItem() +{ +} + +/*! + * Assigns a copy of \a other to this object. + */ +QSurfaceDataItem &QSurfaceDataItem::operator=(const QSurfaceDataItem &other) +{ + m_position = other.m_position; + //m_size = other.m_size; + + if (other.d_ptr) + createExtraData(); + else + d_ptr = 0; + // TODO set extra data + + return *this; +} + +/*! + * \fn void QSurfaceDataItem::setPosition(const QVector3D &position) + * Sets \a position to this data item. + */ + +/*! + * \fn QVector3D QSurfaceDataItem::position() const + * \return position of this data item. + */ + +/*! + * \fn void QSurfaceDataItem::setX(float value) + * Sets the X component of the item position to the \a value. + */ + +/*! + * \fn void QSurfaceDataItem::setY(float value) + * Sets the Y component of the item position to the \a value. + */ + +/*! + * \fn void QSurfaceDataItem::setZ(float value) + * Sets the Z component of the item position to the \a value. + */ + +/*! + * \fn float QSurfaceDataItem::x() const + * \return the X component of the position of this data item. + */ + +/*! + * \fn float QSurfaceDataItem::y() const + * \return the Y component of the position of this data item. + */ + +/*! + * \fn float QSurfaceDataItem::z() const + * \return the Z component of the position of this data item. + */ + +/*! + * \internal + */ +void QSurfaceDataItem::createExtraData() +{ + if (!d_ptr) + d_ptr = new QSurfaceDataItemPrivate; +} + +QSurfaceDataItemPrivate::QSurfaceDataItemPrivate() +{ +} + +QSurfaceDataItemPrivate::~QSurfaceDataItemPrivate() +{ +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/qsurfacedataitem.h b/src/datavisualization/data/qsurfacedataitem.h new file mode 100644 index 00000000..dbc849d3 --- /dev/null +++ b/src/datavisualization/data/qsurfacedataitem.h @@ -0,0 +1,59 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QSURFACEDATAITEM_H +#define QSURFACEDATAITEM_H + +#include <QtDataVisualization/qdatavisualizationenums.h> +#include <QVector3D> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QSurfaceDataItemPrivate; + +class QT_DATAVISUALIZATION_EXPORT QSurfaceDataItem +{ +public: + QSurfaceDataItem(); + QSurfaceDataItem(const QVector3D &position); + QSurfaceDataItem(const QSurfaceDataItem &other); + ~QSurfaceDataItem(); + + QSurfaceDataItem &operator=(const QSurfaceDataItem &other); + + inline void setPosition(const QVector3D &position) { m_position = position; } + inline QVector3D position() const { return m_position; } + inline void setX(float value) { m_position.setX(value); } + inline void setY(float value) { m_position.setY(value); } + inline void setZ(float value) { m_position.setZ(value); } + inline float x() const { return m_position.x(); } + inline float y() const { return m_position.y(); } + inline float z() const { return m_position.z(); } + +protected: + virtual void createExtraData(); + + QSurfaceDataItemPrivate *d_ptr; + +private: + QVector3D m_position; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qsurfacedataitem_p.h b/src/datavisualization/data/qsurfacedataitem_p.h new file mode 100644 index 00000000..d13679a8 --- /dev/null +++ b/src/datavisualization/data/qsurfacedataitem_p.h @@ -0,0 +1,51 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef QSURFACEDATAITEM_P_H +#define QSURFACEDATAITEM_P_H + +#include "datavisualizationglobal_p.h" +#include "qsurfacedataitem.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QSurfaceDataItemPrivate +{ +public: + QSurfaceDataItemPrivate(); + virtual ~QSurfaceDataItemPrivate(); + + // TODO stores other data for surface items besides position + +protected: + friend class QSurfaceDataItem; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/qsurfacedataproxy.cpp b/src/datavisualization/data/qsurfacedataproxy.cpp new file mode 100644 index 00000000..72f33de7 --- /dev/null +++ b/src/datavisualization/data/qsurfacedataproxy.cpp @@ -0,0 +1,289 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "qsurfacedataproxy.h" +#include "qsurfacedataproxy_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class QSurfaceDataProxy + * \inmodule QtDataVisualization + * \brief Base proxy class for Q3DSurface. + * \since 1.0.0 + * + * QSurfaceDataProxy takes care of surface related data handling. The QSurfaceDataProxy handles the data + * in rows and for this it provides two auxiliary typedefs. QSurfaceDataArray is a QList for + * controlling the rows. For rows there is a QVector QSurfaceDataRow which contains QSurfaceDataItem + * objects. See Q3DSurface documentation and basic sample code there how to feed the data for the + * QSurfaceDataProxy. + * + * All rows must have same number of items. + * + * When determining what rows and columns are visible, the first item in each row and the first item in + * each column determine if the whole row or column is visible, even if other items in the row or column + * individually have different X- or Z-coordinates. + * + * \note Surfaces with less than two rows or columns are not considered valid surfaces and will + * not get rendered. + * + * QSurfaceDataProxy supports the following format tags for QAbstractDataProxy::setItemLabelFormat(): + * \table + * \row + * \li @xTitle \li Title from X axis + * \row + * \li @yTitle \li Title from Y axis + * \row + * \li @zTitle \li Title from Z axis + * \row + * \li @xLabel \li Item value formatted using the same format as the X axis attached to the graph uses, + * see \l{Q3DValueAxis::setLabelFormat()} for more information. + * \row + * \li @yLabel \li Item value formatted using the same format as the Y axis attached to the graph uses, + * see \l{Q3DValueAxis::setLabelFormat()} for more information. + * \row + * \li @zLabel \li Item value formatted using the same format as the Z axis attached to the graph uses, + * see \l{Q3DValueAxis::setLabelFormat()} for more information. + * \endtable + * + * \sa {Qt Data Visualization Data Handling} + */ + +/*! + * \qmltype SurfaceDataProxy + * \inqmlmodule com.digia.QtDataVisualization 1.0 + * \since com.digia.QtDataVisualization 1.0 + * \ingroup datavisualization_qml + * \instantiates QSurfaceDataProxy + * \inherits AbstractDataProxy + * \brief Base proxy class for Surface3D. + * + * This type handles surface data items. The data is arranged into rows and columns, and all rows must have + * the same number of columns. + * + * This type is uncreatable, but contains properties that are exposed via subtypes. + * + * For more complete description, see QSurfaceDataProxy. + * + * \sa ItemModelSurfaceDataProxy, {Qt Data Visualization Data Handling} + */ + +/*! + * \qmlproperty int SurfaceDataProxy::rowCount + * Number of the rows in the array. + */ + +/*! + * \qmlproperty int SurfaceDataProxy::columnCount + * Number of the columns in the array. + */ + +/*! + * Constructs QSurfaceDataProxy with the given \a parent. + */ +QSurfaceDataProxy::QSurfaceDataProxy(QObject *parent) : + QAbstractDataProxy(new QSurfaceDataProxyPrivate(this), parent) +{ +} + +/*! + * \internal + */ +QSurfaceDataProxy::QSurfaceDataProxy(QSurfaceDataProxyPrivate *d, QObject *parent) : + QAbstractDataProxy(d, parent) +{ +} + +/*! + * Destroys QSurfaceDataProxy. + */ +QSurfaceDataProxy::~QSurfaceDataProxy() +{ +} + +/*! + * Takes ownership of the \a newArray. Clears the existing array and if the \a newArray is + * different than the existing array. If it's the same array, this just triggers arrayReset() + * signal. + * Passing null array deletes the old array and creates a new empty array. + * All rows in \a newArray must be of same length. + */ +void QSurfaceDataProxy::resetArray(QSurfaceDataArray *newArray) +{ + if (dptr()->m_dataArray != newArray) { + dptr()->resetArray(newArray); + } + emit arrayReset(); +} + +/*! + * \return pointer to the data array. + */ +const QSurfaceDataArray *QSurfaceDataProxy::array() const +{ + return dptrc()->m_dataArray; +} + +/*! + * \property QSurfaceDataProxy::rowCount + * + * \return number of rows in the data. + */ +int QSurfaceDataProxy::rowCount() const +{ + return dptrc()->m_dataArray->size(); +} + +/*! + * \property QSurfaceDataProxy::columnCount + * + * \return number of items in the columns. + */ +int QSurfaceDataProxy::columnCount() const +{ + if (dptrc()->m_dataArray->size() > 0) + return dptrc()->m_dataArray->at(0)->size(); + else + return 0; +} + +/*! + * \return pointer to the item at \a index. It is guaranteed to be valid only until next call that + * modifies data. + */ +const QSurfaceDataItem *QSurfaceDataProxy::itemAt(int index) const +{ + return &dptrc()->m_dataArray->at(index)->at(2); +} + +/*! + * \internal + */ +QSurfaceDataProxyPrivate *QSurfaceDataProxy::dptr() +{ + return static_cast<QSurfaceDataProxyPrivate *>(d_ptr.data()); +} + +/*! + * \internal + */ +const QSurfaceDataProxyPrivate *QSurfaceDataProxy::dptrc() const +{ + return static_cast<const QSurfaceDataProxyPrivate *>(d_ptr.data()); +} + +/*! + * \fn void QSurfaceDataProxy::arrayReset() + * + * Emitted when data array is reset. + * If you change the whole array contents without calling resetArray(), you need to + * emit this signal yourself or the graph won't get updated. + */ + +// +// QSurfaceDataProxyPrivate +// + +QSurfaceDataProxyPrivate::QSurfaceDataProxyPrivate(QSurfaceDataProxy *q) + : QAbstractDataProxyPrivate(q, QAbstractDataProxy::DataTypeSurface), + m_dataArray(new QSurfaceDataArray) +{ + m_itemLabelFormat = QStringLiteral("@yLabel (@xLabel, @zLabel)"); +} + +QSurfaceDataProxyPrivate::~QSurfaceDataProxyPrivate() +{ + clearArray(); +} + +void QSurfaceDataProxyPrivate::resetArray(QSurfaceDataArray *newArray) +{ + if (!newArray) + newArray = new QSurfaceDataArray; + + if (newArray != m_dataArray) { + clearArray(); + m_dataArray = newArray; + } +} + +QSurfaceDataProxy *QSurfaceDataProxyPrivate::qptr() +{ + return static_cast<QSurfaceDataProxy *>(q_ptr); +} + +void QSurfaceDataProxyPrivate::limitValues(QVector3D &minValues, QVector3D &maxValues) +{ + qreal min = 0.0; + qreal max = 0.0; + + int rows = m_dataArray->size(); + int columns = 0; + if (rows) + columns = m_dataArray->at(0)->size(); + + if (rows && columns) { + min = m_dataArray->at(0)->at(0).y(); + max = m_dataArray->at(0)->at(0).y(); + } + + for (int i = 0; i < rows; i++) { + QSurfaceDataRow *row = m_dataArray->at(i); + if (row) { + for (int j = 0; j < columns; j++) { + qreal itemValue = m_dataArray->at(i)->at(j).y(); + if (min > itemValue) + min = itemValue; + if (max < itemValue) + max = itemValue; + } + } + } + + minValues.setY(min); + maxValues.setY(max); + if (columns) { + minValues.setX(m_dataArray->at(0)->at(0).x()); + minValues.setZ(m_dataArray->at(0)->at(0).z()); + maxValues.setX(m_dataArray->at(0)->last().x()); + maxValues.setZ(m_dataArray->last()->at(0).z()); + } else { + minValues.setX(0.0f); + minValues.setZ(0.0f); + maxValues.setX(0.0f); + maxValues.setZ(0.0f); + } +} + +void QSurfaceDataProxyPrivate::clearRow(int rowIndex) +{ + if (m_dataArray->at(rowIndex)) { + delete m_dataArray->at(rowIndex); + (*m_dataArray)[rowIndex] = 0; + } +} + +void QSurfaceDataProxyPrivate::clearArray() +{ + for (int i = 0; i < m_dataArray->size(); i++) + clearRow(i); + m_dataArray->clear(); + delete m_dataArray; +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/qsurfacedataproxy.h b/src/datavisualization/data/qsurfacedataproxy.h new file mode 100644 index 00000000..460fa437 --- /dev/null +++ b/src/datavisualization/data/qsurfacedataproxy.h @@ -0,0 +1,66 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QSURFACEDATAPROXY_H +#define QSURFACEDATAPROXY_H + +#include <QtDataVisualization/qabstractdataproxy.h> +#include <QtDataVisualization/qsurfacedataitem.h> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +typedef QVector<QSurfaceDataItem> QSurfaceDataRow; +typedef QList<QSurfaceDataRow *> QSurfaceDataArray; + +class QSurfaceDataProxyPrivate; + +class QT_DATAVISUALIZATION_EXPORT QSurfaceDataProxy : public QAbstractDataProxy +{ + Q_OBJECT + + Q_PROPERTY(int rowCount READ rowCount) + Q_PROPERTY(int columnCount READ columnCount) + +public: + explicit QSurfaceDataProxy(QObject *parent = 0); + virtual ~QSurfaceDataProxy(); + + int rowCount() const; + int columnCount() const; + const QSurfaceDataArray *array() const; + const QSurfaceDataItem *itemAt(int index) const; + + void resetArray(QSurfaceDataArray *newArray); + +signals: + void arrayReset(); + +protected: + explicit QSurfaceDataProxy(QSurfaceDataProxyPrivate *d, QObject *parent = 0); + QSurfaceDataProxyPrivate *dptr(); + const QSurfaceDataProxyPrivate *dptrc() const; + +private: + Q_DISABLE_COPY(QSurfaceDataProxy) + + friend class Surface3DController; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QSURFACEDATAPROXY_H diff --git a/src/datavisualization/data/qsurfacedataproxy_p.h b/src/datavisualization/data/qsurfacedataproxy_p.h new file mode 100644 index 00000000..4c8c2820 --- /dev/null +++ b/src/datavisualization/data/qsurfacedataproxy_p.h @@ -0,0 +1,63 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef QSURFACEDATAPROXY_P_H +#define QSURFACEDATAPROXY_P_H + +#include "qsurfacedataproxy.h" +#include "qabstractdataproxy_p.h" + +#include <QSize> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QSurfaceDataProxyPrivate : public QAbstractDataProxyPrivate +{ + Q_OBJECT +public: + QSurfaceDataProxyPrivate(QSurfaceDataProxy *q); + virtual ~QSurfaceDataProxyPrivate(); + + void resetArray(QSurfaceDataArray *newArray); + + void limitValues(QVector3D &minValues, QVector3D &maxValues); + +protected: + QSurfaceDataArray *m_dataArray; + +private: + QSurfaceDataProxy *qptr(); + void clearRow(int rowIndex); + void clearArray(); + + friend class QSurfaceDataProxy; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QSURFACEDATAPROXY_P_H diff --git a/src/datavisualization/data/scatteritemmodelhandler.cpp b/src/datavisualization/data/scatteritemmodelhandler.cpp new file mode 100644 index 00000000..34230ae0 --- /dev/null +++ b/src/datavisualization/data/scatteritemmodelhandler.cpp @@ -0,0 +1,81 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "scatteritemmodelhandler_p.h" +#include <QTimer> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +ScatterItemModelHandler::ScatterItemModelHandler(QItemModelScatterDataProxy *proxy, QObject *parent) + : AbstractItemModelHandler(parent), + m_proxy(proxy), + m_proxyArray(0) +{ +} + +ScatterItemModelHandler::~ScatterItemModelHandler() +{ +} + +// Resolve entire item model into QScatterDataArray. +void ScatterItemModelHandler::resolveModel() +{ + QItemModelScatterDataMapping *mapping = static_cast<QItemModelScatterDataMapping *>(m_activeMapping); + if (m_itemModel.isNull() || !mapping) { + m_proxy->resetArray(0); + m_proxyArray = 0; + return; + } + + static const int noRoleIndex = -1; + + QHash<int, QByteArray> roleHash = m_itemModel->roleNames(); + const int xPosRole = roleHash.key(mapping->xPosRole().toLatin1(), noRoleIndex); + const int yPosRole = roleHash.key(mapping->yPosRole().toLatin1(), noRoleIndex); + const int zPosRole = roleHash.key(mapping->zPosRole().toLatin1(), noRoleIndex); + const int columnCount = m_itemModel->columnCount(); + const int rowCount = m_itemModel->rowCount(); + const int totalCount = rowCount * columnCount; + int runningCount = 0; + + // If dimensions have changed, recreate the array + if (m_proxyArray != m_proxy->array() || totalCount != m_proxyArray->size()) + m_proxyArray = new QScatterDataArray(totalCount); + + // Parse data into newProxyArray + for (int i = 0; i < rowCount; i++) { + for (int j = 0; j < columnCount; j++) { + QModelIndex index = m_itemModel->index(i, j); + float xPos(0.0f); + float yPos(0.0f); + float zPos(0.0f); + if (xPosRole != noRoleIndex) + xPos = index.data(xPosRole).toFloat(); + if (yPosRole != noRoleIndex) + yPos = index.data(yPosRole).toFloat(); + if (zPosRole != noRoleIndex) + zPos = index.data(zPosRole).toFloat(); + (*m_proxyArray)[runningCount].setPosition(QVector3D(xPos, yPos, zPos)); + runningCount++; + } + } + + m_proxy->resetArray(m_proxyArray); +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/scatteritemmodelhandler_p.h b/src/datavisualization/data/scatteritemmodelhandler_p.h new file mode 100644 index 00000000..9b8a19a2 --- /dev/null +++ b/src/datavisualization/data/scatteritemmodelhandler_p.h @@ -0,0 +1,53 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef SCATTERITEMMODELHANDLER_P_H +#define SCATTERITEMMODELHANDLER_P_H + +#include "abstractitemmodelhandler_p.h" +#include "qitemmodelscatterdataproxy.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class ScatterItemModelHandler : public AbstractItemModelHandler +{ + Q_OBJECT +public: + ScatterItemModelHandler(QItemModelScatterDataProxy *proxy, QObject *parent = 0); + virtual ~ScatterItemModelHandler(); + +protected: + void virtual resolveModel(); + + QItemModelScatterDataProxy *m_proxy; // Not owned + QScatterDataArray *m_proxyArray; // Not owned +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/scatterrenderitem.cpp b/src/datavisualization/data/scatterrenderitem.cpp new file mode 100644 index 00000000..83c66583 --- /dev/null +++ b/src/datavisualization/data/scatterrenderitem.cpp @@ -0,0 +1,42 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "scatterrenderitem_p.h" +#include "scatter3drenderer_p.h" +#include "qscatterdataproxy.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +ScatterRenderItem::ScatterRenderItem() + : AbstractRenderItem(), + m_visible(false) +{ +} + +ScatterRenderItem::ScatterRenderItem(const ScatterRenderItem &other) + : AbstractRenderItem(other), + m_visible(false) +{ + m_position = other.m_position; +} + +ScatterRenderItem::~ScatterRenderItem() +{ +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/scatterrenderitem_p.h b/src/datavisualization/data/scatterrenderitem_p.h new file mode 100644 index 00000000..58e91e96 --- /dev/null +++ b/src/datavisualization/data/scatterrenderitem_p.h @@ -0,0 +1,76 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef SCATTERRENDERITEM_P_H +#define SCATTERRENDERITEM_P_H + +#include "abstractrenderitem_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Scatter3DRenderer; + +class ScatterRenderItem : public AbstractRenderItem +{ +public: + ScatterRenderItem(); + ScatterRenderItem(const ScatterRenderItem &other); + virtual ~ScatterRenderItem(); + + inline const QVector3D &position() const { return m_position; } + inline void setPosition(const QVector3D &pos); + + inline bool isVisible() const { return m_visible; } + inline void setVisible(bool visible) { m_visible = visible; } + + //inline void setSize(qreal size); + //inline qreal size() const { return m_size; } + +protected: + QVector3D m_position; + bool m_visible; + //qreal m_size; // TODO in case we need a fourth variable that adjusts scatter item size + + friend class QScatterDataItem; +}; + +void ScatterRenderItem::setPosition(const QVector3D &pos) +{ + if (m_position != pos) { + m_position = pos; + // Force reformatting on next access by setting label string to null string + if (!m_selectionLabel.isNull()) + setSelectionLabel(QString()); + } +} + +typedef QVector<ScatterRenderItem> ScatterRenderItemArray; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/data/surfaceitemmodelhandler.cpp b/src/datavisualization/data/surfaceitemmodelhandler.cpp new file mode 100644 index 00000000..70482162 --- /dev/null +++ b/src/datavisualization/data/surfaceitemmodelhandler.cpp @@ -0,0 +1,144 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "surfaceitemmodelhandler_p.h" +#include "qitemmodelsurfacedatamapping_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +SurfaceItemModelHandler::SurfaceItemModelHandler(QItemModelSurfaceDataProxy *proxy, QObject *parent) + : AbstractItemModelHandler(parent), + m_proxy(proxy), + m_proxyArray(0) +{ +} + +SurfaceItemModelHandler::~SurfaceItemModelHandler() +{ +} + +// Resolve entire item model into QSurfaceDataArray. +void SurfaceItemModelHandler::resolveModel() +{ + QItemModelSurfaceDataMapping *mapping = static_cast<QItemModelSurfaceDataMapping *>(m_activeMapping); + if (m_itemModel.isNull() || !mapping) { + m_proxy->resetArray(0); + m_proxyArray = 0; + return; + } + + if (!mapping->useModelCategories() + && (mapping->rowRole().isEmpty() || mapping->columnRole().isEmpty())) { + m_proxy->resetArray(0); + m_proxyArray = 0; + return; + } + + QHash<int, QByteArray> roleHash = m_itemModel->roleNames(); + + // Default to display role if no mapping + int valueRole = roleHash.key(mapping->valueRole().toLatin1(), Qt::DisplayRole); + int rowCount = m_itemModel->rowCount(); + int columnCount = m_itemModel->columnCount(); + + if (mapping->useModelCategories()) { + // If dimensions have changed, recreate the array + if (m_proxyArray != m_proxy->array() || columnCount != m_proxy->columnCount() + || rowCount != m_proxyArray->size()) { + m_proxyArray = new QSurfaceDataArray; + m_proxyArray->reserve(rowCount); + for (int i = 0; i < rowCount; i++) + m_proxyArray->append(new QSurfaceDataRow(columnCount)); + } + for (int i = 0; i < rowCount; i++) { + QSurfaceDataRow &newProxyRow = *m_proxyArray->at(i); + for (int j = 0; j < columnCount; j++) { + newProxyRow[j].setPosition( + QVector3D(m_itemModel->headerData(j, Qt::Horizontal).toFloat(), + m_itemModel->index(i, j).data(valueRole).toFloat(), + m_itemModel->headerData(i, Qt::Vertical).toFloat())); + } + } + } else { + int rowRole = roleHash.key(mapping->rowRole().toLatin1()); + int columnRole = roleHash.key(mapping->columnRole().toLatin1()); + + bool generateRows = mapping->autoRowCategories(); + bool generateColumns = mapping->autoColumnCategories(); + + QStringList rowList; + QStringList columnList; + // For detecting duplicates in categories generation, using QHashes should be faster than + // simple QStringList::contains() check. + QHash<QString, bool> rowListHash; + QHash<QString, bool> columnListHash; + + // Sort values into rows and columns + typedef QHash<QString, qreal> ColumnValueMap; + QHash <QString, ColumnValueMap> itemValueMap; + for (int i = 0; i < rowCount; i++) { + for (int j = 0; j < columnCount; j++) { + QModelIndex index = m_itemModel->index(i, j); + QString rowRoleStr = index.data(rowRole).toString(); + QString columnRoleStr = index.data(columnRole).toString(); + itemValueMap[rowRoleStr][columnRoleStr] = index.data(valueRole).toReal(); + if (generateRows && !rowListHash.value(rowRoleStr, false)) { + rowListHash.insert(rowRoleStr, true); + rowList << rowRoleStr; + } + if (generateColumns && !columnListHash.value(columnRoleStr, false)) { + columnListHash.insert(columnRoleStr, true); + columnList << columnRoleStr; + } + } + } + + if (generateRows) + mapping->dptr()->m_rowCategories = rowList; + else + rowList = mapping->rowCategories(); + + if (generateColumns) + mapping->dptr()->m_columnCategories = columnList; + else + columnList = mapping->columnCategories(); + + // If dimensions have changed, recreate the array + if (m_proxyArray != m_proxy->array() || columnList.size() != m_proxy->columnCount() + || rowList.size() != m_proxyArray->size()) { + m_proxyArray = new QSurfaceDataArray; + m_proxyArray->reserve(rowList.size()); + for (int i = 0; i < rowList.size(); i++) + m_proxyArray->append(new QSurfaceDataRow(columnList.size())); + } + // Create data array from itemValueMap + for (int i = 0; i < rowList.size(); i++) { + QString rowKey = rowList.at(i); + QSurfaceDataRow &newProxyRow = *m_proxyArray->at(i); + for (int j = 0; j < columnList.size(); j++) { + newProxyRow[j].setPosition(QVector3D(columnList.at(j).toFloat(), + itemValueMap[rowKey][columnList.at(j)], + rowList.at(i).toFloat())); + } + } + } + + m_proxy->resetArray(m_proxyArray); +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/data/surfaceitemmodelhandler_p.h b/src/datavisualization/data/surfaceitemmodelhandler_p.h new file mode 100644 index 00000000..bcf642c5 --- /dev/null +++ b/src/datavisualization/data/surfaceitemmodelhandler_p.h @@ -0,0 +1,53 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef SURFACEITEMMODELHANDLER_P_H +#define SURFACEITEMMODELHANDLER_P_H + +#include "abstractitemmodelhandler_p.h" +#include "qitemmodelsurfacedataproxy.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class SurfaceItemModelHandler : public AbstractItemModelHandler +{ + Q_OBJECT +public: + SurfaceItemModelHandler(QItemModelSurfaceDataProxy *proxy, QObject *parent = 0); + virtual ~SurfaceItemModelHandler(); + +protected: + void virtual resolveModel(); + + QItemModelSurfaceDataProxy *m_proxy; // Not owned + QSurfaceDataArray *m_proxyArray; // Not owned +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/datavisualization.pro b/src/datavisualization/datavisualization.pro new file mode 100644 index 00000000..87857062 --- /dev/null +++ b/src/datavisualization/datavisualization.pro @@ -0,0 +1,27 @@ +TARGET = QtDataVisualization +QT = core gui + +DEFINES += QT_DATAVISUALIZATION_LIBRARY + +QMAKE_DOCS = $$PWD/doc/qtdatavisualization.qdocconf + +load(qt_module) + +include($$PWD/common.pri) +include($$PWD/engine/engine.pri) +include($$PWD/global/global.pri) +include($$PWD/utils/utils.pri) +include($$PWD/axis/axis.pri) +include($$PWD/data/data.pri) +include($$PWD/input/input.pri) + +android { + CONFIG += static +} + +OTHER_FILES += doc/qtdatavisualization.qdocconf \ + doc/src/* \ + doc/images/* \ + doc/snippets/* \ + global/*.qdoc + diff --git a/src/datavisualization/doc/images/q3dbars-minimal.png b/src/datavisualization/doc/images/q3dbars-minimal.png Binary files differnew file mode 100644 index 00000000..fff8d415 --- /dev/null +++ b/src/datavisualization/doc/images/q3dbars-minimal.png diff --git a/src/datavisualization/doc/images/q3dscatter-minimal.png b/src/datavisualization/doc/images/q3dscatter-minimal.png Binary files differnew file mode 100644 index 00000000..1c3290b3 --- /dev/null +++ b/src/datavisualization/doc/images/q3dscatter-minimal.png diff --git a/src/datavisualization/doc/images/q3dsurface-minimal.png b/src/datavisualization/doc/images/q3dsurface-minimal.png Binary files differnew file mode 100644 index 00000000..119cdfb9 --- /dev/null +++ b/src/datavisualization/doc/images/q3dsurface-minimal.png diff --git a/src/datavisualization/doc/qtdatavisualization.qdocconf b/src/datavisualization/doc/qtdatavisualization.qdocconf new file mode 100644 index 00000000..e3189604 --- /dev/null +++ b/src/datavisualization/doc/qtdatavisualization.qdocconf @@ -0,0 +1,51 @@ +include($QT_INSTALL_DOCS/global/qt-module-defaults.qdocconf) + +project = QtDataVisualization +description = Qt Data Visualization Reference Documentation +version = 1.0.0 + +exampledirs += ../../../examples \ + snippets + +headerdirs += .. +imagedirs += ../images \ + images +sourcedirs += .. + +depends += qtcore \ + qtgui + +qhp.projects = qtdatavisualization + +qhp.qtdatavisualization.file = qtdatavisualization.qhp +qhp.qtdatavisualization.namespace = org.qt-project.qtdatavisualization.1.0.0 +qhp.qtdatavisualization.virtualFolder = qtdatavisualization +qhp.qtdatavisualization.indexTitle = Qt Data Visualization +qhp.qtdatavisualization.indexRoot = + +qhp.qtdatavisualization.filterAttributes = qtdatavisualization 1.0.0 qtrefdoc +qhp.qtdatavisualization.customFilters.Qt.name = QtDataVisualization 1.0.0 +qhp.qtdatavisualization.customFilters.Qt.filterAttributes = qtdatavisualization 1.0.0 +qhp.qtdatavisualization.subprojects = classes +qhp.qtdatavisualization.subprojects.classes.title = C++ Classes +qhp.qtdatavisualization.subprojects.classes.indexTitle = Qt Data Visualization C++ Classes +qhp.qtdatavisualization.subprojects.classes.selectors = class fake:headerfile +qhp.qtdatavisualization.subprojects.classes.sortPages = true + + +HTML.footer = \ + "<div class=\"footer\">\n" \ + " <p>\n" \ + " <acronym title=\"Copyright\">©</acronym> 2013 Digia. Qt and Qt logos are\n" \ + " trademarks of of Digia Corporation in Finland and/or other countries worldwide.\n" \ + " </p>\n" \ + " All other trademarks are property of their respective owners.\n" \ + " <br />\n" \ + " <p>\n" \ + " Licensees holding valid Qt Enterprise licenses may use this document in accordance\n" \ + " with the Qt Enterprise License Agreement provided with the Software or,\n" \ + " alternatively, in accordance with the terms contained in a written agreement\n" \ + " between you and Digia.\n" \ + " </p>\n" \ + "</div>\n" + diff --git a/src/datavisualization/doc/snippets/doc_src_q3dbars_construction.cpp b/src/datavisualization/doc/snippets/doc_src_q3dbars_construction.cpp new file mode 100644 index 00000000..a5615601 --- /dev/null +++ b/src/datavisualization/doc/snippets/doc_src_q3dbars_construction.cpp @@ -0,0 +1,46 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +//! [3] +#include <QtDataVisualization> + +using namespace QtDataVisualization; + +int main(int argc, char **argv) +{ + QGuiApplication app(argc, argv); + + //! [4] + Q3DBars *bars = new Q3DBars(); + //! [4] + //! [0] + bars->rowAxis()->setRange(0, 4); + bars->columnAxis()->setRange(0, 4); + //! [0] + //! [1] + QBarDataRow data; + data << 1.0 << 3.0 << 7.5 << 5.0 << 2.2; + bars->activeDataProxy()->addRow(&data); + //! [1] + //! [2] + bars->show(); + //! [2] + + return app.exec(); +} +//! [3] diff --git a/src/datavisualization/doc/snippets/doc_src_q3dscatter_construction.cpp b/src/datavisualization/doc/snippets/doc_src_q3dscatter_construction.cpp new file mode 100644 index 00000000..b2f48921 --- /dev/null +++ b/src/datavisualization/doc/snippets/doc_src_q3dscatter_construction.cpp @@ -0,0 +1,42 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +//! [3] +#include <QtDataVisualization> + +using namespace QtDataVisualization; + +int main(int argc, char **argv) +{ + QGuiApplication app(argc, argv); + + //! [0] + Q3DScatter *scatter = new Q3DScatter(); + //! [0] + //! [1] + QScatterDataArray data; + data << QVector3D(1.0f, 0.5f, 1.0f) << QVector3D(-1.0f, -0.5f, -1.0f) << QVector3D(0.5f, 0.0f, 0.0f); + scatter->activeDataProxy()->addItems(data); + //! [1] + //! [2] + scatter->show(); + //! [2] + + return app.exec(); +} +//! [3] diff --git a/src/datavisualization/doc/snippets/doc_src_q3dsurface_construction.cpp b/src/datavisualization/doc/snippets/doc_src_q3dsurface_construction.cpp new file mode 100644 index 00000000..33b6cf37 --- /dev/null +++ b/src/datavisualization/doc/snippets/doc_src_q3dsurface_construction.cpp @@ -0,0 +1,50 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +//! [5] +#include <QtDataVisualization> + +using namespace QtDataVisualization; + +int main(int argc, char **argv) +{ + QGuiApplication app(argc, argv); + + //! [0] + Q3DSurface surface; + //! [0] + //! [1] + QSurfaceDataArray *data = new QSurfaceDataArray; + QSurfaceDataRow *dataRow = new QSurfaceDataRow; + //! [1] + + //! [2] + *dataRow << 0.1 << 1.8 << 0.4; + *data << dataRow; + //! [2] + + //! [3] + surface.activeDataProxy()->resetArray(data); + //! [3] + //! [4] + surface.show(); + //! [4] + + return app.exec(); +} +//! [5] diff --git a/src/datavisualization/doc/snippets/doc_src_qmldatavisualization.cpp b/src/datavisualization/doc/snippets/doc_src_qmldatavisualization.cpp new file mode 100644 index 00000000..f4446e17 --- /dev/null +++ b/src/datavisualization/doc/snippets/doc_src_qmldatavisualization.cpp @@ -0,0 +1,121 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +//! [0] +import com.digia.QtDataVisualization 1.0 +//! [0] + +//! [1] +Bars3D { + rows: 4 + columns: 4 + dataProxy: barProxy // an ItemModelBarDataProxy + barSpacing: Qt.size(0.5, 0.5) + barSpacingRelative: false + itemLabelFormat: "@valueTitle for @colLabel, @rowLabel: @valueLabel" +} +//! [1] + +//! [2] +Scatter3D { + dataProxy: scatterProxy // an ItemModelScatterDataProxy + itemLabelFormat: "X:@xLabel Y:@yLabel Z:@zLabel" + axisX.segmentCount: 2 + axisX.subSegmentCount: 2 + axisX.labelFormat: "%.2f" + axisZ.segmentCount: 2 + axisZ.subSegmentCount: 2 + axisZ.labelFormat: "%.2f" + axisY.segmentCount: 3 + axisY.subSegmentCount: 2 + axisY.labelFormat: "%.2f" +} +//! [2] + +//! [3] +Surface3D { + dataProxy: surfaceProxy // an ItemModelSurfaceDataProxy + axisX.min: 0.0 + axisX.max: 10.0 + axisZ.min: 0.0 + axisZ.max: 10.0 + axisY.min: 0.0 + axisY.max: 5.0 + axisX.segmentCount: 5 + axisX.subSegmentCount: 2 + axisX.labelFormat: "%i" + axisZ.segmentCount: 5 + axisZ.subSegmentCount: 2 + axisZ.labelFormat: "%i" + axisY.segmentCount: 5 + axisY.labelFormat: "%.1f" +} +//! [3] + +//! [4] +BarDataMapping { + id: barMapping + rowRole: "year" + columnRole: "city" + valueRole: "expenses" + rowCategories: ["2010", "2011", "2012", "2013"] + columnCategories: ["Oulu", "Rauma", "Helsinki", "Tampere"] +} +//! [4] + +//! [5] +ScatterDataMapping { + id: scatterMapping + xPosRole: "xPos" + yPosRole: "yPos" + zPosRole: "zPos" +} +//! [5] + +//! [6] +SurfaceDataMapping { + id: surfaceMapping + rowRole: "latitude" + columnRole: "longitude" + valueRole: "population" +} +//! [6] + +//! [7] +ItemModelBarDataProxy { + id: barProxy + activeMapping: barMapping // a BarDataMapping + itemModel: dataModel // a ListModel +} +//! [7] + +//! [8] +ItemModelScatterDataProxy { + id: scatterProxy + activeMapping: scatterMapping // a ScatterDataMapping + itemModel: dataModel // a ListModel +} +//! [8] + +//! [9] +ItemModelSurfaceDataProxy { + id: surfaceProxy + activeMapping: surfaceMapping // a SurfaceDataMapping + itemModel: dataModel // a ListModel +} +//! [9] diff --git a/src/datavisualization/doc/snippets/doc_src_qtdatavisualization.cpp b/src/datavisualization/doc/snippets/doc_src_qtdatavisualization.cpp new file mode 100644 index 00000000..2f3d6a98 --- /dev/null +++ b/src/datavisualization/doc/snippets/doc_src_qtdatavisualization.cpp @@ -0,0 +1,118 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +//! [0] +#include <QtDataVisualization> + +using namespace QtDataVisualization; +//! [0] + +//! [1] +proxy->setItemLabelFormat(QStringLiteral("@valueTitle for (@rowLabel, @colLabel): %.1f")); +//! [1] + +//! [2] +proxy->setItemLabelFormat(QStringLiteral("@xTitle: @xValue, @yTitle: @yValue, @zTitle: @zValue")); +//! [2] + +//! [3] +// By defining row and column categories, you tell the mapping which row and column each item +// belongs to. The categories must match the data stored in the model in the roles you define +// for row and column mapping. In this example we expect "year" role to return four digit year +// and "month" to return three letter designation for the month. +// +// An example of an item in model would be: +// Requested role -> Returned data +// "year" -> "2006" // Matches the first row category, so this item is added to the first row. +// "month" -> "jan" // Matches the first column category, so this item is added as first item in the row. +// "income" -> "12.1" +// "expenses" -> "9.2" +QStringList years; +QStringList months; +years << "2006" << "2007" << "2008" << "2009" << "2010" << "2011" << "2012"; +months << "jan" << "feb" << "mar" << "apr" << "may" << "jun" << "jul" << "aug" << "sep" << "oct" << "nov" << "dec"; + +QItemModelBarDataMapping *mapping = new QItemModelBarDataMapping(QStringLiteral("year"), // Row role + QStringLiteral("month"), // Column role + QStringLiteral("income"), // Value role + years, // Row categories + months); // Column categories + +QItemModelBarDataProxy *proxy = new QItemModelBarDataProxy(customModel, mapping); + +//... + +// To display different data later, you can simply change the mapping of the current +// mapping object, or set another mapping object. +proxy->activeMapping()->setValueRole(QStringLiteral("expenses")); +//! [3] + +//! [4] +// Map "density" value to X-axis, "hardness" to Y-axis and "conductivity" to Z-axis. +QItemModelScatterDataMapping *mapping = new QItemModelScatterDataMapping(QStringLiteral("density"), + QStringLiteral("hardness"), + QStringLiteral("conductivity")) + +QItemModelScatterDataProxy *proxy = new QItemModelScatterDataProxy(customModel, mapping); +//! [4] + +//! [5] +QItemModelSurfaceDataMapping *mapping = new QItemModelSurfaceDataMapping(QStringLiteral("longitude"), // Row role + QStringLiteral("latitude"), // Column role + QStringLiteral("height")); // value role + +QItemModelSurfaceDataProxy *proxy = new QItemModelSurfaceDataProxy(customModel, mapping); +//! [5] + +//! [6] +qmake +make +//! [6] + +//! [7] +qmake CONFIG+=static +make +//! [7] + +//! [8] +qmake +make +./qmlsurface +//! [8] + +//! [9] +Q3DBars *graph = new Q3DBars(); +QWidget *container = QWidget::createWindowContainer(graph); +//! [9] + +//! [10] +Q3DBars graph; +QBarDataProxy *newProxy = new QBarDataProxy; + +QBarDataArray *dataArray = new QBarDataArray; +dataArray->reserve(10); +for (int i = 0; i < 10; i++) { + QBarDataRow *dataRow = new QBarDataRow(5); + for (int j = 0; j < 5; j++) + (*dataRow)[j].setValue(myData->getValue(i, j)); + dataArray->append(dataRow); +} + +newProxy->resetArray(dataArray); +graph->setActiveDataProxy(newProxy); +//! [10] diff --git a/src/datavisualization/doc/snippets/doc_src_qtdatavisualization.pro b/src/datavisualization/doc/snippets/doc_src_qtdatavisualization.pro new file mode 100644 index 00000000..81555f88 --- /dev/null +++ b/src/datavisualization/doc/snippets/doc_src_qtdatavisualization.pro @@ -0,0 +1,21 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#! [0] +QT += datavisualization +#! [0] diff --git a/src/datavisualization/doc/src/qtdatavisualization-index.qdoc b/src/datavisualization/doc/src/qtdatavisualization-index.qdoc new file mode 100644 index 00000000..f2245c12 --- /dev/null +++ b/src/datavisualization/doc/src/qtdatavisualization-index.qdoc @@ -0,0 +1,78 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +/*! + \title Qt Data Visualization + \page qtdatavisualization-index.html + \brief QtDataVisualization module provides functionality for 3D visualization. + + Qt Data Visualization module provides a way to visualize data in 3D. + + \section1 Features + + \list + \li Multiple data visualization options: 3D Bars, 3D Scatter, and 3D Surface + \li 2D slice views of the 3D data + \li Interactive data: Rotate, zoom, and highlight data using mouse or touch + \li Uses OpenGL for rendering the data + \li QML2 support + \li Customizable axes for data - control viewable data window with axis ranges + \li Customizable input handling (upcoming feature - not supported in technology preview) + \li Customizable scene handling - full control of cameras and lights (upcoming feature - + not supported in technology preview) + \li Customizable themes (upcoming feature - not supported in technology preview) + \endlist + + \section1 Getting Started + + To import Qt Data Visualization QML types, add the following import statement to your \c .qml + file: + + \snippet doc_src_qmldatavisualization.cpp 0 + + If you intend to use Qt Data Visualization C++ classes in your application, use the + following include and using directives: + + \snippet doc_src_qtdatavisualization.cpp 0 + + \note If you are using a few classes from this module, we recommend including those specific + classes only instead of the whole module. + + To link against Qt Data Visualization module, add this line to your \c qmake project file: + + \snippet doc_src_qtdatavisualization.pro 0 + + See \l{Qt Data Visualization Getting Started}{Getting started} page for further information + how to use Qt Data Visualization in your application. + + \section1 Articles + \list + \li \l{Qt Data Visualization Data Handling}{Data input} + \li \l{Qt Data Visualization Interacting with Data}{Interacting with visualized data} + \endlist + + \section1 References + \list + \li \l{Qt Data Visualization C++ Classes} + \li \l{Qt Data Visualization QML Types} + \endlist + + Qt Data Visualization comes with the following examples: + + \annotatedlist qtdatavisualization_examples +*/ diff --git a/src/datavisualization/doc/src/qtdatavisualization-qml-abstractdeclarative.qdoc b/src/datavisualization/doc/src/qtdatavisualization-qml-abstractdeclarative.qdoc new file mode 100644 index 00000000..7a0d2c4a --- /dev/null +++ b/src/datavisualization/doc/src/qtdatavisualization-qml-abstractdeclarative.qdoc @@ -0,0 +1,81 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +/*! + \qmltype AbstractGraph3D + \inqmlmodule com.digia.QtDataVisualization 1.0 + \since com.digia.QtDataVisualization 1.0 + \ingroup datavisualization_qml + \brief Base type for 3D visualizations. + + This type is the base type for all 3D visualizations in QtDataVisualization. + + It resides in the data visualization module that can be imported like this: + + \snippet doc_src_qmldatavisualization.cpp 0 + + Note that this type is uncreatable, but contains properties that are shared between + the 3D visualizations. + + \sa Bars3D, Scatter3D, Surface3D, {Qt Data Visualization C++ Classes} + */ + +/*! + \qmlproperty AbstractGraph3D.SelectionMode AbstractGraph3D::selectionMode + Active selection mode in the visualization. + */ +/*! + \qmlproperty AbstractGraph3D.LabelStyle AbstractGraph3D::labelStyle + Label style. + */ + +/*! + \qmlproperty AbstractGraph3D.ShadowQuality AbstractGraph3D::shadowQuality + Shadow quality. + */ + +/*! + \qmlproperty AbstractGraph3D.CameraPreset AbstractGraph3D::cameraPreset + Camera preset. + */ + +/*! + \qmlproperty AbstractGraph3D.Theme AbstractGraph3D::theme + Theme of the graph. Theme affects visualization colors, label colors, text color, background color, window + color and grid color. Lighting is also adjusted by themes. + */ + +/*! + \qmlproperty font AbstractGraph3D::font + Font used for labels. + */ + +/*! + \qmlproperty bool AbstractGraph3D::gridVisible + Grid visibility. If false, grid lines are not drawn. + */ + +/*! + \qmlproperty bool AbstractGraph3D::backgroundVisible + Background visibility. If false, background is not drawn. + */ + +/*! + \qmlproperty string AbstractGraph3D::itemLabelFormat + Label format of single item labels, e.g. a selected datapoint. + */ diff --git a/src/datavisualization/doc/src/qtdatavisualization-qml-bars3d.qdoc b/src/datavisualization/doc/src/qtdatavisualization-qml-bars3d.qdoc new file mode 100644 index 00000000..213542b9 --- /dev/null +++ b/src/datavisualization/doc/src/qtdatavisualization-qml-bars3d.qdoc @@ -0,0 +1,136 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +/*! + * \qmltype Bars3D + * \inherits AbstractGraph3D + * \inqmlmodule com.digia.QtDataVisualization 1.0 + * \since com.digia.QtDataVisualization 1.0 + * \ingroup datavisualization_qml + * \brief 3D bar graph. + * + * This type enables developers to render bar graphs in 3D with Qt Quick 2. + * + * You will need to import data visualization module to use this type: + * + * \snippet doc_src_qmldatavisualization.cpp 0 + * + * After that you can use Bars3D in your qml files: + * + * \snippet doc_src_qmldatavisualization.cpp 1 + * + * See \l{Qt Quick 2 Bars Example} for more thorough usage example. + * + * \sa ItemModelBarDataProxy, Scatter3D, Surface3D, {Qt Data Visualization C++ Classes} + */ + +/*! + * \qmlmethod void Bars3D::setBarColor(const QColor &baseColor, bool uniform) + * Set bar color using your own color. \a baseColor sets the base color of a bar. The \a uniform + * -flag is used to define if color needs to be uniform throughout bar's length, or will the colors + * be applied by height, starting with dark at the bottom. It is \c true by default. + * + * Calling this method overrides colors from theme. + * + * \sa AbstractGraph3D::theme + * + * \warning This method is subject to change. + */ + +/*! + * \qmlproperty BarDataProxy Bars3D::dataProxy + * The active data proxy. + * + * If a proxy is not given, a temporary default proxy is created and activated. + * This temporary proxy is destroyed if another proxy is explicitly set active via this property. + */ + +/*! + * \qmlproperty CategoryAxis3D Bars3D::rowAxis + * A user-defined row axis. + * + * If an axis is not given, a temporary default axis with no labels is created. + * This temporary axis is destroyed if another axis is explicitly set to same orientation. + */ + +/*! + * \qmlproperty ValueAxis3D Bars3D::valueAxis + * A user-defined value axis. + * + * If an axis is not given, a temporary default axis with no labels and automatically adjusting + * range is created. + * This temporary axis is destroyed if another axis is explicitly set to same orientation. + */ + +/*! + * \qmlproperty CategoryAxis3D Bars3D::columnAxis + * A user-defined column axis. + * + * If an axis is not given, a temporary default axis with no labels is created. + * This temporary axis is destroyed if another axis is explicitly set to same orientation. + */ + + +/*! + * \qmlproperty Bars3D.MeshStyle Bars3D::barType + * Bar object type. + */ + +/*! + * \qmlproperty real Bars3D::barThickness + * Bar thickness ratio between X and Z dimensions. 1.0 means bars are as wide as they are deep, 0.5 + * makes them twice as deep as they are wide. + */ + +/*! + * \qmlproperty size Bars3D::barSpacing + * Bar spacing in X and Z dimensions. + */ + +/*! + * \qmlproperty bool Bars3D::barSpacingRelative + * Relative or absolute bar spacing. + */ + +/*! + * \qmlproperty bool Bars3D::barSmoothingEnabled + * Bar smoothing. If false, bar shading is flat. + */ + +/*! + * \qmlproperty string Bars3D::meshFileName + * Override bar type with a mesh object. + * \note Object needs to be in Wavefront obj format and include vertices, normals and UVs. + * It also needs to be in triangles. + */ + +/*! + * \qmlproperty int Bars3D::rows + * Row count of data window. + */ + +/*! + * \qmlproperty int Bars3D::columns + * Column count of data window. + */ + +/*! + * \qmlproperty point Bars3D::selectedBarPos + * Position of the selected bar in data window. Only one bar can be selected at a time. + * To clear selection, specify an illegal position, e.g. Qt.point(-1.0, -1.0). + */ diff --git a/src/datavisualization/doc/src/qtdatavisualization-qml-colorgradient.qdoc b/src/datavisualization/doc/src/qtdatavisualization-qml-colorgradient.qdoc new file mode 100644 index 00000000..f8edf492 --- /dev/null +++ b/src/datavisualization/doc/src/qtdatavisualization-qml-colorgradient.qdoc @@ -0,0 +1,81 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +/*! + \qmltype ColorGradientStop + \inqmlmodule com.digia.QtDataVisualization 1.0 + \since com.digia.QtDataVisualization 1.0 + \ingroup datavisualization_qml + \brief Defines the color at a position in ColorGradient. + + Defines the color at a position in a ColorGradient. + + \sa ColorGradient +*/ + +/*! + \qmlproperty real ColorGradientStop::position + + The position property describes the position of this gradient stop. + + The default position is 0.0. + + \sa ColorGradient +*/ + +/*! + \qmlproperty color ColorGradientStop::color + + The color property describes the color color of this gradient stop. + + The default color is black. + + \sa ColorGradient +*/ + +/*! + \qmltype ColorGradient + \inqmlmodule com.digia.QtDataVisualization 1.0 + \since com.digia.QtDataVisualization 1.0 + \ingroup datavisualization_qml + \brief Defines a color gradient. + + A gradient is defined by two or more colors, which will be blended seamlessly. + + The colors are specified as a set of ColorGradientStop child items, each of + which defines a position on the gradient from 0.0 to 1.0 and a color. + The position of each ColorGradientStop is defined by setting its + \l{ColorGradientStop::}{position} property; its color is defined using its + \l{ColorGradientStop::}{color} property. + + A gradient without any gradient stops falls back to QLinearGradient default, + which is black at 0.0 and white at 1.0. + + \sa ColorGradientStop +*/ + +/*! + \qmlproperty list<ColorGradientStop> ColorGradient::stops + \default + + This property holds the gradient stops describing the gradient. + + By default, this property contains an empty list. + + To set the gradient stops, define them as children of the ColorGradient. +*/ diff --git a/src/datavisualization/doc/src/qtdatavisualization-qml-scatter3d.qdoc b/src/datavisualization/doc/src/qtdatavisualization-qml-scatter3d.qdoc new file mode 100644 index 00000000..2839468e --- /dev/null +++ b/src/datavisualization/doc/src/qtdatavisualization-qml-scatter3d.qdoc @@ -0,0 +1,105 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +/*! + \qmltype Scatter3D + \inherits AbstractGraph3D + \inqmlmodule com.digia.QtDataVisualization 1.0 + \since com.digia.QtDataVisualization 1.0 + \ingroup datavisualization_qml + \brief 3D scatter graph. + + This type enables developers to render scatter graphs in 3D with Qt Quick 2. + + You will need to import data visualization module to use this type: + + \snippet doc_src_qmldatavisualization.cpp 0 + + After that you can use Scatter3D in your qml files: + + \snippet doc_src_qmldatavisualization.cpp 2 + + See \l{Qt Quick 2 Scatter Example} for more thorough usage example. + + \sa ItemModelScatterDataProxy, Bars3D, Surface3D, {Qt Data Visualization C++ Classes} + */ + +/*! + * \qmlmethod void Scatter3D::setObjectColor(const QColor &baseColor, bool uniform) + * Set item color using your own colors. \a baseColor sets the base color of a item. The \a uniform + * -flag is used to define if color needs to be uniform throughout item's length, or will the colors + * be applied by height. It is \c true by default. + * + * Calling this method overrides colors from theme. + * + * \sa AbstractGraph3D::theme + * + * \warning This method is subject to change. + */ + +/*! + \qmlproperty ScatterDataProxy Scatter3D::dataProxy + The active data proxy. + + If a proxy is not given, a temporary default proxy is created and activated. + This temporary proxy is destroyed if another proxy is explicitly set active via this property. + */ + +/*! + \qmlproperty ValueAxis3D Scatter3D::axisX + A user-defined X axis. + + If an axis is not given, a temporary default axis with no labels and automatically adjusting + range is created. + This temporary axis is destroyed if another axis is explicitly set to same orientation. + */ + +/*! + \qmlproperty ValueAxis3D Scatter3D::axisY + A user-defined Y axis. + + If an axis is not given, a temporary default axis with no labels and automatically adjusting + range is created. + This temporary axis is destroyed if another axis is explicitly set to same orientation. + */ + +/*! + \qmlproperty ValueAxis3D Scatter3D::axisZ + A user-defined Z axis. + + If an axis is not given, a temporary default axis with no labels and automatically adjusting + range is created. + This temporary axis is destroyed if another axis is explicitly set to same orientation. + */ + +/*! + \qmlproperty Scatter3D.MeshStyle Scatter3D::objectType + Dot object type. + */ + +/*! + \qmlproperty bool Scatter3D::objectSmoothingEnabled + Dot smoothing. If false, dot shading is flat. + */ + +/*! + \qmlproperty string Scatter3D::meshFileName + Override object type with a mesh object. + \note Object needs to be in Wavefront obj format and include vertices, normals and UVs. + It also needs to be in triangles. + */ diff --git a/src/datavisualization/doc/src/qtdatavisualization-qml-surface3d.qdoc b/src/datavisualization/doc/src/qtdatavisualization-qml-surface3d.qdoc new file mode 100644 index 00000000..3669c1cd --- /dev/null +++ b/src/datavisualization/doc/src/qtdatavisualization-qml-surface3d.qdoc @@ -0,0 +1,90 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +/*! + \qmltype Surface3D + \inherits AbstractGraph3D + \inqmlmodule com.digia.QtDataVisualization 1.0 + \since com.digia.QtDataVisualization 1.0 + \ingroup datavisualization_qml + \brief 3D surface graph. + + This type enables developers to render surface plots in 3D with Qt Quick 2. + + You will need to import data visualization module to use this type: + + \snippet doc_src_qmldatavisualization.cpp 0 + + After that you can use Surface3D in your qml files: + + \snippet doc_src_qmldatavisualization.cpp 3 + + See \l{Qt Quick 2 Surface Example} for more thorough usage example. + + \sa ItemModelSurfaceDataProxy, Bars3D, Scatter3D, {Qt Data Visualization C++ Classes} + */ + +/*! + \qmlproperty SurfaceDataProxy Surface3D::dataProxy + The active data proxy. + + If a proxy is not given, a temporary default proxy is created and activated. + This temporary proxy is destroyed if another proxy is explicitly set active via this property. + */ + +/*! + \qmlproperty ValueAxis3D Surface3D::axisX + A user-defined X axis. + + If an axis is not given, a temporary default axis with no labels and automatically adjusting + range is created. + This temporary axis is destroyed if another axis is explicitly set to same orientation. + */ + +/*! + \qmlproperty ValueAxis3D Surface3D::axisY + A user-defined Y axis. + + If an axis is not given, a temporary default axis with no labels and automatically adjusting + range is created. + This temporary axis is destroyed if another axis is explicitly set to same orientation. + */ + +/*! + \qmlproperty ValueAxis3D Surface3D::axisZ + A user-defined Z axis. + + If an axis is not given, a temporary default axis with no labels and automatically adjusting + range is created. + This temporary axis is destroyed if another axis is explicitly set to same orientation. + */ + +/*! + \qmlproperty bool Surface3D::smoothSurfaceEnabled + Smoothing of surface. If false, shading of the surface is flat. + */ + +/*! + \qmlproperty bool Surface3D::surfaceGridEnabled + Surface grid visibility. If false, no surface grid is drawn. + */ + +/*! + \qmlproperty ColorGradient Surface3D::gradient + The current surface gradient. Setting this property replaces the previous gradient. + */ diff --git a/src/datavisualization/doc/src/qtdatavisualization.qdoc b/src/datavisualization/doc/src/qtdatavisualization.qdoc new file mode 100644 index 00000000..45087e9d --- /dev/null +++ b/src/datavisualization/doc/src/qtdatavisualization.qdoc @@ -0,0 +1,209 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +/*! + \module QtDataVisualization + \title Qt Data Visualization C++ Classes + \ingroup modules + + \brief The QtDataVisualization module provides functionality for 3D visualization. +*/ + +/*! + \group datavisualization_qml + \title Qt Data Visualization QML Types + + \brief QML types for the Qt Data Visualization API. + + Qt Data Visualization functionality can be accessed via these QML types. + + \section1 QML Types +*/ + +/*! + \page qtdatavisualization_getting_started.html + \title Qt Data Visualization Getting Started + + \section1 Building Qt Data Visualization + + To build Qt Data Visualization module, set up a command prompt with an environment for + building Qt applications, navigate to the directory containing \c qtdatavisualization.pro, + and give the following commands: + + \snippet doc_src_qtdatavisualization.cpp 6 + + \note The \c make tool name may vary depending on your target platform. + E.g. make/nmake/mingw32-make/... + + To build a statically linked version of the Qt Data Visualization module, give the following + commands: + + \snippet doc_src_qtdatavisualization.cpp 7 + + \section1 Running examples + + Qt Data Visualization examples are found under \c examples subdirectory. To build and run a + single example, e.g. the qmlsurface example, navigate to the example directory and give the + following commands: + + \snippet doc_src_qtdatavisualization.cpp 8 + + \note On some platforms, such as Windows, the executable can be generated under debug or + release folders, depending on your build. + + \section1 Creating a simple application + + To create a simple application, start by creating a new Qt Gui Application project in Qt + Creator and add this line to the \c .pro file of the project: + + \snippet doc_src_qtdatavisualization.pro 0 + + In the \c main.cpp file, include the module headers and declare namespace usage: + + \snippet doc_src_qtdatavisualization.cpp 0 + + Then, add the sample code found in one of the following pages, depending on what kind of + visualization you are interested in: \l{How to construct a minimal Q3DBars graph}, + \l{How to construct a minimal Q3DScatter graph}, or + \l{How to construct a minimal Q3DSurface graph}. + + To use Qt Data Visualization graphs in widget based applications, you can use + QWidget::createWindowContainer() function to wrap the graph into a widget: + + \snippet doc_src_qtdatavisualization.cpp 9 + + For further code examples, see one of the Qt Data Visualization examples: + + \annotatedlist qtdatavisualization_examples +*/ + +/*! + \page qtdatavisualization_data_handling.html + \title Qt Data Visualization Data Handling + + \section1 Data proxies + + The data users wish to visualize comes in many formats, all of which cannot obviously be + directly supported. Therefore Qt Data Visualization implements data proxies into which + user can feed their data in a known format. Each visualization type has a basic proxy type, + which takes data in a format suitable for that visualization. + For example, the basic proxy for Q3DBars is QBarDataProxy, which stores rows of QBarDataItem + objects. Each QBarDataItem stores a single bar value. Additional typedefs are provided for + QBarDataArray and QBarDataRow containers. + + This code snipped shows how to use basic proxy when your data is stored in some hypothetical + \c myData object: + + \snippet doc_src_qtdatavisualization.cpp 10 + + \note The graph objects can own more than one data proxy, but only one proxy can be + active at a time. If you need to switch back and forth between two different sets of data, + it may be more efficient to store each set in different proxy and just change the active + proxy, rather than reset the data in one proxy every time you need to switch. + + \section1 Item models and data mapping + + For common use cases, Qt Data Visualization offers specialized proxies. One such case is having + data in an item model (QAbstractItemModel subclass), which is a common way to store data in + Qt applications. Each of the visualization types offers a special proxy and a corresponding mapping + class for this purpose, e.g. QItemModelBarDataProxy and QItemModelBarDataMapping for Q3DBars. + These proxies are simple to use - just give them a pointer to the item model containing the + data and the mapping object containing rules how to map the data into format the basic proxy can + digest. + + Mapping objects work with item model roles. Each data item in the model can have different + values for different roles. For example, with QItemModelBarDataMapping you can specify which + role is used to determine which row the item belongs to, which role does the same for columns, + and which role specifies the value of the item. When the proxy resolves the data from the model, + it uses these mappings to generate the rows and columns of the bar graph. + + Depending on the visualization type, mapping classes may support other functionality as well, + such as QItemModelBarDataMapping optionally mapping QAbstractItemModel rows and columns directly + into bar graph rows and columns. See individual mapping classes for more information and examples + how to use them: QItemModelBarDataMapping, QItemModelScatterDataMapping, and + QItemModelSurfaceDataMapping. + + \section1 Other custom proxies + + QHeightMapSurfaceDataProxy is a specialized proxy for generating a surface graph from a + heightmap image. See QHeightMapSurfaceDataProxy documentation for more information. + + The \l{Custom Proxy Example}{Custom Proxy} example shows how a custom proxy can be created. It + defines a custom data set based on variant lists and an extension of the basic proxy to resolve + that data with an associated mapper. + + \section1 Dealing with real-time data + + When you have a data set that updates rapidly, it is important to handle data properly to + ensure good performance. Since memory allocation is a costly operation, always use + QList::reserve() and QVector::resize() where possible to avoid reallocations when constructing + the array to give to the proxy. If you need to change the entire data set for each frame, + it is in most cases best to re-use the existing array - especially if the array dimensions do not + change. If you need to add, insert, remove, or change several rows or items for each frame, it + is always more efficient to do it with one method call instead of multiple calls affecting + a single row or item each. For example, adding ten rows with a single QBarDataProxy::addRows() call + is much more efficient than ten separate QBarDataProxy::addRow() calls. + + Bars renderer is optimized to access only data that is within data window and thus should not + suffer noticeable slowdown even if more data is continually added to the proxy. + + Due to the unsorted nature of the scatter data, any change in the data window ranges requires + all data points to be checked for visibility, which can cause increasing slowdown if data is + continually added to the proxy. + + Surface data, while on item level similar to scatter data, is already assigned into rows and + columns, so the surface renderer can do some optimization by making assumption that the data in + rows and columns is sorted along their respective axes, but it is nowhere near as efficient + as in bars case. Surface rendering can suffer significant slowdown if the data size grows unchecked. + + For the best performance with the scatter and surface graphs, only keep the data you need in the + proxy. + + \note Data handling is not yet fully optimized in the technology preview version. +*/ + +/*! + \page qtdatavisualization_interacting_with_data.html + \title Qt Data Visualization Interacting with Data + + \section1 Interacting with data + + You can interact with the rendered graph with either mouse or touch to rotate, zoom, or select + data. For the mouse controls, see Q3DInputHandler documentation, and for the touch controls, + see QTouch3DInputHandler documentation. + + \note In the technology preview version, default input handlers cannot be replaced or even accessed + via public API. This feature is planned for the final release. + + \section1 Data selection modes + + All visualization types support selecting single data item - a bar, a scatter item, or a surface + vertex - using mouse, touch, and programmatically via the graph APIs. The selected item is highlighted + in the rendered graph, and selecting causes emission of a graph specific signal for this purpose, + e.g. Q3DBars::selectedBarPosChanged(), which the application can handle. + + \note Surface graph doesn't have fully implemented selection API yet, it only supports + selection with mouse and touch in the technology preview version. + + Bar and surface graphs support slice selection modes, where the selected row or column is drawn + in a separate viewport as a pseudo-2D graph. This makes it easier to see the actual values of + single row or column. + + Bar graph additionally supports simply highlighting the whole row and/or column of the selected bar + without opening the slice view. +*/ diff --git a/src/datavisualization/engine/abstract3dcontroller.cpp b/src/datavisualization/engine/abstract3dcontroller.cpp new file mode 100644 index 00000000..bfdc375e --- /dev/null +++ b/src/datavisualization/engine/abstract3dcontroller.cpp @@ -0,0 +1,1056 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "abstract3dcontroller_p.h" +#include "camerahelper_p.h" +#include "q3dabstractaxis_p.h" +#include "q3dvalueaxis.h" +#include "q3dcategoryaxis.h" +#include "abstract3drenderer_p.h" +#include "q3dcamera.h" +#include "q3dlight.h" +#include "qabstractdataproxy_p.h" +#include "qabstract3dinputhandler_p.h" +#include "qtouch3dinputhandler.h" + +#include <QThread> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +Abstract3DController::Abstract3DController(QRect boundRect, QObject *parent) : + QObject(parent), + m_boundingRect(boundRect.x(), boundRect.y(), boundRect.width(), boundRect.height()), + m_theme(), + m_font(QFont(QStringLiteral("Arial"))), + m_selectionMode(QDataVis::SelectionModeItem), + m_shadowQuality(QDataVis::ShadowQualityMedium), + m_labelStyle(QDataVis::LabelStyleTransparent), + m_isBackgroundEnabled(true), + m_isGridEnabled(true), + m_scene(new Q3DScene()), + m_activeInputHandler(0), + m_axisX(0), + m_axisY(0), + m_axisZ(0), + m_renderer(0), + m_isDataDirty(true), + m_data(0), + m_renderPending(false) +{ + m_theme.useTheme(QDataVis::ThemeQt); + + // Populate the scene + m_scene->activeLight()->setPosition(defaultLightPos); + + // Create initial default input handler + QAbstract3DInputHandler *inputHandler; + inputHandler = new QTouch3DInputHandler(); + inputHandler->d_ptr->m_isDefaultHandler = true; + setActiveInputHandler(inputHandler); + connect(inputHandler, &QAbstract3DInputHandler::inputStateChanged, this, + &Abstract3DController::emitNeedRender); + connect(m_scene, &Q3DScene::needRender, this, + &Abstract3DController::emitNeedRender); +} + +Abstract3DController::~Abstract3DController() +{ + // Renderer can be in another thread, don't delete it directly in that case + if (m_renderer && m_renderer->thread() != QThread::currentThread()) + m_renderer->deleteLater(); + else + delete m_renderer; + delete m_scene; +} + +void Abstract3DController::setRenderer(Abstract3DRenderer *renderer) +{ + m_renderer = renderer; +} + +void Abstract3DController::synchDataToRenderer() +{ + // If we don't have a renderer, don't do anything + if (!m_renderer) + return; + + if (m_changeTracker.boundingRectChanged || m_changeTracker.sizeChanged) { + m_renderer->updateBoundingRect(m_boundingRect); + m_changeTracker.boundingRectChanged = false; + m_changeTracker.sizeChanged = false; + } + + if (m_changeTracker.positionChanged) { + m_renderer->updatePosition(m_boundingRect); + m_changeTracker.positionChanged = false; + } + + m_renderer->updateScene(m_scene); + + if (m_changeTracker.themeChanged) { + m_renderer->updateTheme(m_theme); + m_changeTracker.themeChanged = false; + } + + if (m_changeTracker.fontChanged) { + m_renderer->updateFont(m_font); + m_changeTracker.fontChanged = false; + } + + if (m_changeTracker.labelStyleChanged) { + m_renderer->updateLabelStyle(m_labelStyle); + m_changeTracker.labelStyleChanged = false; + } + + if (m_changeTracker.shadowQualityChanged) { + m_renderer->updateShadowQuality(m_shadowQuality); + m_changeTracker.shadowQualityChanged = false; + } + + if (m_changeTracker.selectionModeChanged) { + m_renderer->updateSelectionMode(m_selectionMode); + m_changeTracker.selectionModeChanged = false; + } + + if (m_changeTracker.objFileChanged) { + m_renderer->updateMeshFileName(m_objFile); + m_changeTracker.objFileChanged = false; + } + + if (m_changeTracker.gridEnabledChanged) { + m_renderer->updateGridEnabled(m_isGridEnabled); + m_changeTracker.gridEnabledChanged = false; + } + + if (m_changeTracker.backgroundEnabledChanged) { + m_renderer->updateBackgroundEnabled(m_isBackgroundEnabled); + m_changeTracker.backgroundEnabledChanged = false; + } + + if (m_changeTracker.axisXTypeChanged) { + m_renderer->updateAxisType(Q3DAbstractAxis::AxisOrientationX, m_axisX->type()); + m_changeTracker.axisXTypeChanged = false; + } + + if (m_changeTracker.axisYTypeChanged) { + m_renderer->updateAxisType(Q3DAbstractAxis::AxisOrientationY, m_axisY->type()); + m_changeTracker.axisYTypeChanged = false; + } + + if (m_changeTracker.axisZTypeChanged) { + m_renderer->updateAxisType(Q3DAbstractAxis::AxisOrientationZ, m_axisZ->type()); + m_changeTracker.axisZTypeChanged = false; + } + + if (m_changeTracker.axisXTitleChanged) { + m_renderer->updateAxisTitle(Q3DAbstractAxis::AxisOrientationX, m_axisX->title()); + m_changeTracker.axisXTitleChanged = false; + } + + if (m_changeTracker.axisYTitleChanged) { + m_renderer->updateAxisTitle(Q3DAbstractAxis::AxisOrientationY, m_axisY->title()); + m_changeTracker.axisYTitleChanged = false; + } + + if (m_changeTracker.axisZTitleChanged) { + m_renderer->updateAxisTitle(Q3DAbstractAxis::AxisOrientationZ, m_axisZ->title()); + m_changeTracker.axisZTitleChanged = false; + } + + if (m_changeTracker.axisXLabelsChanged) { + m_renderer->updateAxisLabels(Q3DAbstractAxis::AxisOrientationX, m_axisX->labels()); + m_changeTracker.axisXLabelsChanged = false; + } + + if (m_changeTracker.axisYLabelsChanged) { + m_renderer->updateAxisLabels(Q3DAbstractAxis::AxisOrientationY, m_axisY->labels()); + m_changeTracker.axisYLabelsChanged = false; + } + if (m_changeTracker.axisZLabelsChanged) { + m_renderer->updateAxisLabels(Q3DAbstractAxis::AxisOrientationZ, m_axisZ->labels()); + m_changeTracker.axisZLabelsChanged = false; + } + + if (m_changeTracker.axisXRangeChanged) { + m_renderer->updateAxisRange(Q3DAbstractAxis::AxisOrientationX, m_axisX->min(), + m_axisX->max()); + m_changeTracker.axisXRangeChanged = false; + } + + if (m_changeTracker.axisYRangeChanged) { + m_renderer->updateAxisRange(Q3DAbstractAxis::AxisOrientationY, m_axisY->min(), + m_axisY->max()); + m_changeTracker.axisYRangeChanged = false; + } + + if (m_changeTracker.axisZRangeChanged) { + m_renderer->updateAxisRange(Q3DAbstractAxis::AxisOrientationZ, m_axisZ->min(), + m_axisZ->max()); + m_changeTracker.axisZRangeChanged = false; + } + + if (m_changeTracker.axisXSegmentCountChanged) { + m_changeTracker.axisXSegmentCountChanged = false; + if (m_axisX->type() & Q3DAbstractAxis::AxisTypeValue) { + Q3DValueAxis *valueAxisX = static_cast<Q3DValueAxis *>(m_axisX); + m_renderer->updateAxisSegmentCount(Q3DAbstractAxis::AxisOrientationX, + valueAxisX->segmentCount()); + } + } + + if (m_changeTracker.axisYSegmentCountChanged) { + m_changeTracker.axisYSegmentCountChanged = false; + if (m_axisY->type() & Q3DAbstractAxis::AxisTypeValue) { + Q3DValueAxis *valueAxisY = static_cast<Q3DValueAxis *>(m_axisY); + m_renderer->updateAxisSegmentCount(Q3DAbstractAxis::AxisOrientationY, + valueAxisY->segmentCount()); + } + } + + if (m_changeTracker.axisZSegmentCountChanged) { + m_changeTracker.axisZSegmentCountChanged = false; + if (m_axisZ->type() & Q3DAbstractAxis::AxisTypeValue) { + Q3DValueAxis *valueAxisZ = static_cast<Q3DValueAxis *>(m_axisZ); + m_renderer->updateAxisSegmentCount(Q3DAbstractAxis::AxisOrientationZ, + valueAxisZ->segmentCount()); + } + } + + if (m_changeTracker.axisXSubSegmentCountChanged) { + m_changeTracker.axisXSubSegmentCountChanged = false; + if (m_axisX->type() & Q3DAbstractAxis::AxisTypeValue) { + Q3DValueAxis *valueAxisX = static_cast<Q3DValueAxis *>(m_axisX); + m_renderer->updateAxisSubSegmentCount(Q3DAbstractAxis::AxisOrientationX, + valueAxisX->subSegmentCount()); + } + } + + if (m_changeTracker.axisYSubSegmentCountChanged) { + m_changeTracker.axisYSubSegmentCountChanged = false; + if (m_axisY->type() & Q3DAbstractAxis::AxisTypeValue) { + Q3DValueAxis *valueAxisY = static_cast<Q3DValueAxis *>(m_axisY); + m_renderer->updateAxisSubSegmentCount(Q3DAbstractAxis::AxisOrientationY, + valueAxisY->subSegmentCount()); + } + } + + if (m_changeTracker.axisZSubSegmentCountChanged) { + m_changeTracker.axisZSubSegmentCountChanged = false; + if (m_axisZ->type() & Q3DAbstractAxis::AxisTypeValue) { + Q3DValueAxis *valueAxisZ = static_cast<Q3DValueAxis *>(m_axisZ); + m_renderer->updateAxisSubSegmentCount(Q3DAbstractAxis::AxisOrientationZ, + valueAxisZ->subSegmentCount()); + } + } + + if (m_changeTracker.axisXLabelFormatChanged) { + m_changeTracker.axisXLabelFormatChanged = false; + if (m_axisX->type() & Q3DAbstractAxis::AxisTypeValue) { + Q3DValueAxis *valueAxisX = static_cast<Q3DValueAxis *>(m_axisX); + m_renderer->updateAxisLabelFormat(Q3DAbstractAxis::AxisOrientationX, + valueAxisX->labelFormat()); + } + } + + if (m_changeTracker.axisYLabelFormatChanged) { + m_changeTracker.axisYLabelFormatChanged = false; + if (m_axisY->type() & Q3DAbstractAxis::AxisTypeValue) { + Q3DValueAxis *valueAxisY = static_cast<Q3DValueAxis *>(m_axisY); + m_renderer->updateAxisLabelFormat(Q3DAbstractAxis::AxisOrientationY, + valueAxisY->labelFormat()); + } + } + + if (m_changeTracker.axisZLabelFormatChanged) { + m_changeTracker.axisZLabelFormatChanged = false; + if (m_axisZ->type() & Q3DAbstractAxis::AxisTypeValue) { + Q3DValueAxis *valueAxisZ = static_cast<Q3DValueAxis *>(m_axisZ); + m_renderer->updateAxisLabelFormat(Q3DAbstractAxis::AxisOrientationZ, + valueAxisZ->labelFormat()); + } + } +} + +void Abstract3DController::render(const GLuint defaultFboHandle) +{ + m_renderPending = false; + + // If not initialized, do nothing. + if (!m_renderer) + return; + + m_renderer->render(defaultFboHandle); + +#ifdef DISPLAY_RENDER_SPEED + // To get meaningful framerate, don't just do render on demand. + emitNeedRender(); +#endif +} + +void Abstract3DController::mouseDoubleClickEvent(QMouseEvent *event) +{ + if (m_activeInputHandler) + m_activeInputHandler->mouseDoubleClickEvent(event); + + emitNeedRender(); +} + +void Abstract3DController::touchEvent(QTouchEvent *event) +{ + if (m_activeInputHandler) + m_activeInputHandler->touchEvent(event); + + emitNeedRender(); +} + +void Abstract3DController::mousePressEvent(QMouseEvent *event, const QPoint &mousePos) +{ + if (m_activeInputHandler) + m_activeInputHandler->mousePressEvent(event, mousePos); + + emitNeedRender(); +} + +void Abstract3DController::mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos) +{ + if (m_activeInputHandler) + m_activeInputHandler->mouseReleaseEvent(event, mousePos); + + emitNeedRender(); +} + +void Abstract3DController::mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos) +{ + if (m_activeInputHandler) + m_activeInputHandler->mouseMoveEvent(event, mousePos); + + emitNeedRender(); +} + +void Abstract3DController::wheelEvent(QWheelEvent *event) +{ + if (m_activeInputHandler) + m_activeInputHandler->wheelEvent(event); + + emitNeedRender(); +} + +void Abstract3DController::setSize(const int width, const int height) +{ + m_boundingRect.setWidth(width); + m_boundingRect.setHeight(height); + m_scene->setViewportSize(width, height); + + m_changeTracker.boundingRectChanged = true; + emitNeedRender(); +} + +const QSize Abstract3DController::size() +{ + return m_boundingRect.size(); +} + +const QRect Abstract3DController::boundingRect() +{ + return m_boundingRect; +} + +void Abstract3DController::setBoundingRect(const QRect boundingRect) +{ + m_boundingRect = boundingRect; + m_scene->setViewport(boundingRect); + + m_changeTracker.boundingRectChanged = true; + emitNeedRender(); +} + +void Abstract3DController::setWidth(const int width) +{ + m_boundingRect.setWidth(width); + m_scene->setViewportSize(width, m_scene->viewport().height()); + + m_changeTracker.sizeChanged = true; + emitNeedRender(); +} + +int Abstract3DController::width() +{ + return m_boundingRect.width(); +} + +void Abstract3DController::setHeight(const int height) +{ + m_boundingRect.setHeight(height); + m_scene->setViewportSize(m_scene->viewport().width(), height); + + m_changeTracker.sizeChanged = true; + emitNeedRender(); +} + +int Abstract3DController::height() +{ + return m_boundingRect.height(); +} + +void Abstract3DController::setX(const int x) +{ + m_boundingRect.setX(x); + + m_changeTracker.positionChanged = true; + emitNeedRender(); +} + +int Abstract3DController::x() +{ + return m_boundingRect.x(); +} + +void Abstract3DController::setY(const int y) +{ + m_boundingRect.setY(y); + + m_changeTracker.positionChanged = true; + emitNeedRender(); +} + +int Abstract3DController::y() +{ + return m_boundingRect.y(); +} + +QRect Abstract3DController::primarySubViewport() const +{ + return m_scene->primarySubViewport(); +} + +void Abstract3DController::setPrimarySubViewport(const QRect &primarySubViewport) +{ + m_scene->setPrimarySubViewport(primarySubViewport); +} + +QRect Abstract3DController::secondarySubViewport() const +{ + return m_scene->secondarySubViewport(); +} + +void Abstract3DController::setSecondarySubViewport(const QRect &secondarySubViewport) +{ + m_scene->setSecondarySubViewport(secondarySubViewport); +} + +void Abstract3DController::updateDevicePixelRatio(qreal ratio) +{ + m_scene->setDevicePixelRatio(ratio); +} + +void Abstract3DController::setAxisX(Q3DAbstractAxis *axis) +{ + setAxisHelper(Q3DAbstractAxis::AxisOrientationX, axis, &m_axisX); +} + +Q3DAbstractAxis *Abstract3DController::axisX() +{ + return m_axisX; +} + +void Abstract3DController::setAxisY(Q3DAbstractAxis *axis) +{ + setAxisHelper(Q3DAbstractAxis::AxisOrientationY, axis, &m_axisY); +} + +Q3DAbstractAxis *Abstract3DController::axisY() +{ + return m_axisY; +} + +void Abstract3DController::setAxisZ(Q3DAbstractAxis *axis) +{ + setAxisHelper(Q3DAbstractAxis::AxisOrientationZ, axis, &m_axisZ); +} + +Q3DAbstractAxis *Abstract3DController::axisZ() +{ + return m_axisZ; +} + +void Abstract3DController::addAxis(Q3DAbstractAxis *axis) +{ + Q_ASSERT(axis); + Abstract3DController *owner = qobject_cast<Abstract3DController *>(axis->parent()); + if (owner != this) { + Q_ASSERT_X(!owner, "addAxis", "Axis already attached to a graph."); + axis->setParent(this); + } + if (!m_axes.contains(axis)) + m_axes.append(axis); +} + +void Abstract3DController::releaseAxis(Q3DAbstractAxis *axis) +{ + if (axis && m_axes.contains(axis)) { + // Clear the default status from released default axes + if (axis->d_ptr->isDefaultAxis()) + axis->d_ptr->setDefaultAxis(false); + + // If the axis is in use, replace it with a temporary one + switch (axis->orientation()) { + case Q3DAbstractAxis::AxisOrientationX: + setAxisX(0); + break; + case Q3DAbstractAxis::AxisOrientationY: + setAxisY(0); + break; + case Q3DAbstractAxis::AxisOrientationZ: + setAxisZ(0); + break; + default: + break; + } + + m_axes.removeAll(axis); + axis->setParent(0); + } +} + +QList<Q3DAbstractAxis *> Abstract3DController::axes() const +{ + return m_axes; +} + +QAbstractDataProxy *Abstract3DController::activeDataProxy() const +{ + return m_data; +} + +void Abstract3DController::addDataProxy(QAbstractDataProxy *proxy) +{ + Q_ASSERT(proxy); + Abstract3DController *owner = qobject_cast<Abstract3DController *>(proxy->parent()); + if (owner != this) { + Q_ASSERT_X(!owner, "addDataProxy", "Proxy already attached to a graph."); + proxy->setParent(this); + } + if (!m_dataProxies.contains(proxy)) + m_dataProxies.append(proxy); +} + +void Abstract3DController::releaseDataProxy(QAbstractDataProxy *proxy) +{ + if (proxy && m_dataProxies.contains(proxy)) { + // Clear the default status from released default proxies + if (proxy->d_ptr->isDefaultProxy()) + proxy->d_ptr->setDefaultProxy(false); + + // If the proxy is in use, replace it with a temporary one + if (m_data == proxy) + setActiveDataProxy(0); + + m_dataProxies.removeAll(proxy); + proxy->setParent(0); + } +} + +QList<QAbstractDataProxy *> Abstract3DController::dataProxies() const +{ + return m_dataProxies; +} + +void Abstract3DController::setActiveDataProxy(QAbstractDataProxy *proxy) +{ + // If existing proxy is the default proxy, delete it + if (m_data) { + if (m_data->d_ptr->isDefaultProxy()) { + m_dataProxies.removeAll(m_data); + delete m_data; + } else { + // Disconnect the old proxy from use + QObject::disconnect(m_data, 0, this, 0); + } + } + + // Assume ownership and activate + addDataProxy(proxy); + m_data = proxy; + m_isDataDirty = true; + emitNeedRender(); +} + +void Abstract3DController::addInputHandler(QAbstract3DInputHandler *inputHandler) +{ + Q_ASSERT(inputHandler); + Abstract3DController *owner = qobject_cast<Abstract3DController *>(inputHandler->parent()); + if (owner != this) { + Q_ASSERT_X(!owner, "addInputHandler", "Input handler already attached to another component."); + inputHandler->setParent(this); + } + + if (!m_inputHandlers.contains(inputHandler)) + m_inputHandlers.append(inputHandler); +} + +void Abstract3DController::releaseInputHandler(QAbstract3DInputHandler *inputHandler) +{ + if (inputHandler && m_inputHandlers.contains(inputHandler)) { + // Clear the default status from released default input handler + if (inputHandler->d_ptr->m_isDefaultHandler) + inputHandler->d_ptr->m_isDefaultHandler = false; + + // If the input handler is in use, remove it + if (m_activeInputHandler == inputHandler) + setActiveInputHandler(0); + + m_inputHandlers.removeAll(inputHandler); + inputHandler->setParent(0); + } +} + +void Abstract3DController::setActiveInputHandler(QAbstract3DInputHandler *inputHandler) +{ + if (inputHandler == m_activeInputHandler) + return; + + // If existing input handler is the default input handler, delete it + if (m_activeInputHandler) { + if (m_activeInputHandler->d_ptr->m_isDefaultHandler) { + m_inputHandlers.removeAll(m_activeInputHandler); + delete m_activeInputHandler; + } else { + // Disconnect the old input handler from the scene + m_activeInputHandler->setScene(0); + } + } + + // Assume ownership and connect to this controller's scene + if (inputHandler) + addInputHandler(inputHandler); + + m_activeInputHandler = inputHandler; + if (m_activeInputHandler) + m_activeInputHandler->setScene(m_scene); + + // Notify change of input handler + emit activeInputHandlerChanged(m_activeInputHandler); +} + +QAbstract3DInputHandler* Abstract3DController::activeInputHandler() +{ + return m_activeInputHandler; +} + +int Abstract3DController::zoomLevel() +{ + return m_scene->activeCamera()->zoomLevel(); +} + +void Abstract3DController::setZoomLevel(int zoomLevel) +{ + m_scene->activeCamera()->setZoomLevel(zoomLevel); + + m_changeTracker.zoomLevelChanged = true; + emitNeedRender(); +} + +void Abstract3DController::setObjectColor(const QColor &baseColor, bool uniform) +{ + m_theme.m_baseColor = baseColor; + m_theme.m_uniformColor = uniform; + + m_changeTracker.themeChanged = true; + emitNeedRender(); +} + +QColor Abstract3DController::objectColor() const +{ + return m_theme.m_baseColor; +} + +void Abstract3DController::setTheme(QDataVis::Theme theme) +{ + m_theme.useTheme(theme); + + m_changeTracker.themeChanged = true; + emitNeedRender(); +} + +Theme Abstract3DController::theme() +{ + return m_theme; +} + +void Abstract3DController::setFont(const QFont &font) +{ + m_font = font; + + m_changeTracker.fontChanged = true; + emitNeedRender(); +} + +QFont Abstract3DController::font() +{ + return m_font; +} + +void Abstract3DController::setSelectionMode(QDataVis::SelectionMode mode) +{ + m_selectionMode = mode; + m_changeTracker.selectionModeChanged = true; + emitNeedRender(); +} + +QDataVis::SelectionMode Abstract3DController::selectionMode() +{ + return m_selectionMode; +} + +void Abstract3DController::setShadowQuality(QDataVis::ShadowQuality quality) +{ + m_shadowQuality = quality; + + m_changeTracker.shadowQualityChanged = true; + emit shadowQualityChanged(m_shadowQuality); + emitNeedRender(); +} + +QDataVis::ShadowQuality Abstract3DController::shadowQuality() +{ + return m_shadowQuality; +} + +void Abstract3DController::setLabelStyle(QDataVis::LabelStyle style) +{ + m_labelStyle = style; + + m_changeTracker.labelStyleChanged = true; + emitNeedRender(); +} + +QDataVis::LabelStyle Abstract3DController::labelStyle() +{ + return m_labelStyle; +} + +void Abstract3DController::setBackgroundEnabled(bool enable) +{ + m_isBackgroundEnabled = enable; + m_changeTracker.backgroundEnabledChanged = true; + emitNeedRender(); +} + +bool Abstract3DController::backgroundEnabled() +{ + return m_isBackgroundEnabled; +} + +void Abstract3DController::setGridEnabled(bool enable) +{ + m_isGridEnabled = enable; + m_changeTracker.gridEnabledChanged = true; + emitNeedRender(); +} + +bool Abstract3DController::gridEnabled() +{ + return m_isGridEnabled; +} + +bool Abstract3DController::isSlicingActive() +{ + return m_scene->isSlicingActive(); +} + +void Abstract3DController::setSlicingActive(bool isSlicing) +{ + m_scene->setSlicingActive(isSlicing); + emitNeedRender(); +} + +QDataVis::InputState Abstract3DController::inputState() +{ + if (m_activeInputHandler) + return m_activeInputHandler->inputState(); + else + return QDataVis::InputStateNone; +} + +QPoint Abstract3DController::inputPosition() +{ + if (m_activeInputHandler) + return m_activeInputHandler->inputPosition(); + else + return QPoint(0,0); +} + +void Abstract3DController::setMeshFileName(const QString &fileName) +{ + m_objFile = fileName; + m_changeTracker.objFileChanged = true; + emitNeedRender(); +} + +QString Abstract3DController::meshFileName() +{ + return m_objFile; +} + +Q3DScene *Abstract3DController::scene() +{ + return m_scene; +} + +void Abstract3DController::handleAxisTitleChanged(const QString &title) +{ + Q_UNUSED(title) + handleAxisTitleChangedBySender(sender()); +} + +void Abstract3DController::handleAxisTitleChangedBySender(QObject *sender) +{ + if (sender == m_axisX) + m_changeTracker.axisXTitleChanged = true; + else if (sender == m_axisY) + m_changeTracker.axisYTitleChanged = true; + else if (sender == m_axisZ) + m_changeTracker.axisZTitleChanged = true; + else + qWarning() << __FUNCTION__ << "invoked for invalid axis"; + emitNeedRender(); +} + +void Abstract3DController::handleAxisLabelsChanged() +{ + handleAxisLabelsChangedBySender(sender()); +} + +void Abstract3DController::handleAxisLabelsChangedBySender(QObject *sender) +{ + if (sender == m_axisX) + m_changeTracker.axisXLabelsChanged = true; + else if (sender == m_axisY) + m_changeTracker.axisYLabelsChanged = true; + else if (sender == m_axisZ) + m_changeTracker.axisZLabelsChanged = true; + else + qWarning() << __FUNCTION__ << "invoked for invalid axis"; + emitNeedRender(); +} + +void Abstract3DController::handleAxisRangeChanged(qreal min, qreal max) +{ + Q_UNUSED(min) + Q_UNUSED(max) + handleAxisRangeChangedBySender(sender()); +} + +void Abstract3DController::handleAxisRangeChangedBySender(QObject *sender) +{ + if (sender == m_axisX) { + m_isDataDirty = true; + m_changeTracker.axisXRangeChanged = true; + } else if (sender == m_axisY) { + m_isDataDirty = true; + m_changeTracker.axisYRangeChanged = true; + } else if (sender == m_axisZ) { + m_isDataDirty = true; + m_changeTracker.axisZRangeChanged = true; + } else { + qWarning() << __FUNCTION__ << "invoked for invalid axis"; + } + emitNeedRender(); +} + +void Abstract3DController::handleAxisSegmentCountChanged(int count) +{ + Q_UNUSED(count) + handleAxisSegmentCountChangedBySender(sender()); +} + +void Abstract3DController::handleAxisSegmentCountChangedBySender(QObject *sender) +{ + if (sender == m_axisX) + m_changeTracker.axisXSegmentCountChanged = true; + else if (sender == m_axisY) + m_changeTracker.axisYSegmentCountChanged = true; + else if (sender == m_axisZ) + m_changeTracker.axisZSegmentCountChanged = true; + else + qWarning() << __FUNCTION__ << "invoked for invalid axis"; + emitNeedRender(); +} + +void Abstract3DController::handleAxisSubSegmentCountChanged(int count) +{ + Q_UNUSED(count) + handleAxisSubSegmentCountChangedBySender(sender()); +} + +void Abstract3DController::handleAxisSubSegmentCountChangedBySender(QObject *sender) +{ + if (sender == m_axisX) + m_changeTracker.axisXSubSegmentCountChanged = true; + else if (sender == m_axisY) + m_changeTracker.axisYSubSegmentCountChanged = true; + else if (sender == m_axisZ) + m_changeTracker.axisZSubSegmentCountChanged = true; + else + qWarning() << __FUNCTION__ << "invoked for invalid axis"; + emitNeedRender(); +} + +void Abstract3DController::handleAxisAutoAdjustRangeChanged(bool autoAdjust) +{ + QObject *sender = QObject::sender(); + if (sender != m_axisX && sender != m_axisY && sender != m_axisZ) + return; + + Q3DAbstractAxis *axis = static_cast<Q3DAbstractAxis*>(sender); + handleAxisAutoAdjustRangeChangedInOrientation(axis->orientation(), autoAdjust); +} + +void Abstract3DController::handleAxisLabelFormatChanged(const QString &format) +{ + Q_UNUSED(format) + handleAxisLabelFormatChangedBySender(sender()); +} + +void Abstract3DController::handleAxisLabelFormatChangedBySender(QObject *sender) +{ + // Label format changing needs to dirty the data so that labels are reset. + if (sender == m_axisX) { + m_isDataDirty = true; + m_changeTracker.axisXLabelFormatChanged = true; + } else if (sender == m_axisY) { + m_isDataDirty = true; + m_changeTracker.axisYLabelFormatChanged = true; + } else if (sender == m_axisZ) { + m_isDataDirty = true; + m_changeTracker.axisZLabelFormatChanged = true; + } else { + qWarning() << __FUNCTION__ << "invoked for invalid axis"; + } + emitNeedRender(); +} + +void Abstract3DController::setAxisHelper(Q3DAbstractAxis::AxisOrientation orientation, + Q3DAbstractAxis *axis, Q3DAbstractAxis **axisPtr) +{ + // Setting null axis indicates using default axis + if (!axis) + axis = createDefaultAxis(orientation); + + // If old axis is default axis, delete it + Q3DAbstractAxis *oldAxis = *axisPtr; + if (oldAxis) { + if (oldAxis->d_ptr->isDefaultAxis()) { + m_axes.removeAll(oldAxis); + delete oldAxis; + oldAxis = 0; + } else { + // Disconnect the old axis from use + QObject::disconnect(oldAxis, 0, this, 0); + oldAxis->d_ptr->setOrientation(Q3DAbstractAxis::AxisOrientationNone); + } + } + + // Assume ownership + addAxis(axis); + + // Connect the new axis + *axisPtr = axis; + + axis->d_ptr->setOrientation(orientation); + + QObject::connect(axis, &Q3DAbstractAxis::titleChanged, + this, &Abstract3DController::handleAxisTitleChanged); + QObject::connect(axis, &Q3DAbstractAxis::labelsChanged, + this, &Abstract3DController::handleAxisLabelsChanged); + QObject::connect(axis, &Q3DAbstractAxis::rangeChanged, + this, &Abstract3DController::handleAxisRangeChanged); + QObject::connect(axis, &Q3DAbstractAxis::autoAdjustRangeChanged, + this, &Abstract3DController::handleAxisAutoAdjustRangeChanged); + + if (orientation == Q3DAbstractAxis::AxisOrientationX) + m_changeTracker.axisXTypeChanged = true; + else if (orientation == Q3DAbstractAxis::AxisOrientationY) + m_changeTracker.axisYTypeChanged = true; + else if (orientation == Q3DAbstractAxis::AxisOrientationZ) + m_changeTracker.axisZTypeChanged = true; + + handleAxisTitleChangedBySender(axis); + handleAxisLabelsChangedBySender(axis); + handleAxisRangeChangedBySender(axis); + handleAxisAutoAdjustRangeChangedInOrientation(axis->orientation(), + axis->isAutoAdjustRange()); + + if (axis->type() & Q3DAbstractAxis::AxisTypeValue) { + Q3DValueAxis *valueAxis = static_cast<Q3DValueAxis *>(axis); + QObject::connect(valueAxis, &Q3DValueAxis::segmentCountChanged, + this, &Abstract3DController::handleAxisSegmentCountChanged); + QObject::connect(valueAxis, &Q3DValueAxis::subSegmentCountChanged, + this, &Abstract3DController::handleAxisSubSegmentCountChanged); + QObject::connect(valueAxis, &Q3DValueAxis::labelFormatChanged, + this, &Abstract3DController::handleAxisLabelFormatChanged); + + handleAxisSegmentCountChangedBySender(valueAxis); + handleAxisSubSegmentCountChangedBySender(valueAxis); + handleAxisLabelFormatChangedBySender(valueAxis); + } +} + +Q3DAbstractAxis *Abstract3DController::createDefaultAxis(Q3DAbstractAxis::AxisOrientation orientation) +{ + Q_UNUSED(orientation) + + // The default default axis is a value axis. If the graph type has a different default axis + // for some orientation, this function needs to be overridden. + Q3DAbstractAxis *defaultAxis = createDefaultValueAxis(); + return defaultAxis; +} + +Q3DValueAxis *Abstract3DController::createDefaultValueAxis() +{ + // Default value axis has single segment, empty label format, and auto scaling + // TODO: Grid should be also hidden, but that is not currently controlled by axis + Q3DValueAxis *defaultAxis = new Q3DValueAxis; + defaultAxis->setSegmentCount(1); + defaultAxis->setSubSegmentCount(1); + defaultAxis->setAutoAdjustRange(true); + defaultAxis->setLabelFormat(QString()); + defaultAxis->d_ptr->setDefaultAxis(true); + + return defaultAxis; +} + +Q3DCategoryAxis *Abstract3DController::createDefaultCategoryAxis() +{ + // Default category axis has no labels + // TODO: Grid should be also hidden, but that is not currently controlled by axis. + Q3DCategoryAxis *defaultAxis = new Q3DCategoryAxis; + defaultAxis->setAutoAdjustRange(true); + defaultAxis->d_ptr->setDefaultAxis(true); + return defaultAxis; +} + +void Abstract3DController::emitNeedRender() +{ + if (!m_renderPending) { + emit needRender(); + m_renderPending = true; + } +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/abstract3dcontroller_p.h b/src/datavisualization/engine/abstract3dcontroller_p.h new file mode 100644 index 00000000..f17c6c4d --- /dev/null +++ b/src/datavisualization/engine/abstract3dcontroller_p.h @@ -0,0 +1,334 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef CONTROLLER3DBASE_H +#define CONTROLLER3DBASE_H + +#include "datavisualizationglobal_p.h" +#include "theme_p.h" +#include "q3dabstractaxis.h" +#include "drawer_p.h" +#include "qabstract3dinputhandler.h" +#include "qabstractdataproxy.h" +#include "q3dscene.h" +#include "q3dbox.h" + +#include <QObject> + +class QFont; + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class CameraHelper; +class Abstract3DRenderer; + +struct Abstract3DChangeBitField { + bool positionChanged : 1; + bool zoomLevelChanged : 1; + bool themeChanged : 1; + bool fontChanged : 1; + bool labelStyleChanged : 1; + bool boundingRectChanged : 1; + bool sizeChanged : 1; + bool shadowQualityChanged : 1; + bool selectionModeChanged : 1; + bool objFileChanged : 1; + bool gridEnabledChanged : 1; + bool backgroundEnabledChanged : 1; + bool axisXTypeChanged : 1; + bool axisYTypeChanged : 1; + bool axisZTypeChanged : 1; + bool axisXTitleChanged : 1; + bool axisYTitleChanged : 1; + bool axisZTitleChanged : 1; + bool axisXLabelsChanged : 1; + bool axisYLabelsChanged : 1; + bool axisZLabelsChanged : 1; + bool axisXRangeChanged : 1; + bool axisYRangeChanged : 1; + bool axisZRangeChanged : 1; + bool axisXSegmentCountChanged : 1; + bool axisYSegmentCountChanged : 1; + bool axisZSegmentCountChanged : 1; + bool axisXSubSegmentCountChanged : 1; + bool axisYSubSegmentCountChanged : 1; + bool axisZSubSegmentCountChanged : 1; + bool axisXLabelFormatChanged : 1; + bool axisYLabelFormatChanged : 1; + bool axisZLabelFormatChanged : 1; + + Abstract3DChangeBitField() : + positionChanged(true), + zoomLevelChanged(true), + themeChanged(true), + fontChanged(true), + labelStyleChanged(true), + boundingRectChanged(true), + sizeChanged(true), + shadowQualityChanged(true), + selectionModeChanged(true), + objFileChanged(true), + gridEnabledChanged(true), + backgroundEnabledChanged(true), + axisXTypeChanged(true), + axisYTypeChanged(true), + axisZTypeChanged(true), + axisXTitleChanged(true), + axisYTitleChanged(true), + axisZTitleChanged(true), + axisXLabelsChanged(true), + axisYLabelsChanged(true), + axisZLabelsChanged(true), + axisXRangeChanged(true), + axisYRangeChanged(true), + axisZRangeChanged(true), + axisXSegmentCountChanged(true), + axisYSegmentCountChanged(true), + axisZSegmentCountChanged(true), + axisXSubSegmentCountChanged(true), + axisYSubSegmentCountChanged(true), + axisZSubSegmentCountChanged(true), + axisXLabelFormatChanged(true), + axisYLabelFormatChanged(true), + axisZLabelFormatChanged(true) + { + } +}; + +class QT_DATAVISUALIZATION_EXPORT Abstract3DController : public QObject +{ + Q_OBJECT + +public: + enum SelectionType { + SelectionNone = 0, + SelectionItem, + SelectionRow, + SelectionColumn + }; + + enum MouseState { + MouseNone = 0, + MouseOnScene, + MouseOnOverview, + MouseOnZoom, + MouseRotating, + MouseOnPinch + }; + +private: + Abstract3DChangeBitField m_changeTracker; + QRect m_boundingRect; + GLfloat m_horizontalRotation; + GLfloat m_verticalRotation; + Theme m_theme; + QFont m_font; + QDataVis::SelectionMode m_selectionMode; + QDataVis::ShadowQuality m_shadowQuality; + QDataVis::LabelStyle m_labelStyle; + bool m_isBackgroundEnabled; + bool m_isGridEnabled; + QString m_objFile; + + Q3DScene *m_scene; + +protected: + QList<QAbstract3DInputHandler *> m_inputHandlers; // List of all added input handlers + QAbstract3DInputHandler *m_activeInputHandler; + CameraHelper *m_cameraHelper; + // Active axes + Q3DAbstractAxis *m_axisX; + Q3DAbstractAxis *m_axisY; + Q3DAbstractAxis *m_axisZ; + + QList<Q3DAbstractAxis *> m_axes; // List of all added axes + Abstract3DRenderer *m_renderer; + bool m_isDataDirty; + + QAbstractDataProxy *m_data; + QList<QAbstractDataProxy *> m_dataProxies; + + bool m_renderPending; + + explicit Abstract3DController(QRect boundRect, QObject *parent = 0); + virtual ~Abstract3DController(); + +public: + + inline bool isInitialized() { return (m_renderer != 0); } + + /** + * @brief synchDataToRenderer Called on the render thread while main GUI thread is blocked before rendering. + */ + virtual void synchDataToRenderer(); + + virtual void render(const GLuint defaultFboHandle = 0); + + /** + * @brief setRenderer Sets the renderer to be used. isInitialized returns true from this point onwards. + * @param renderer Renderer to be used. + */ + void setRenderer(Abstract3DRenderer *renderer); + + // Size + virtual void setSize(const int width, const int height); + virtual const QSize size(); + virtual const QRect boundingRect(); + virtual void setBoundingRect(const QRect boundingRect); + virtual void setWidth(const int width); + virtual int width(); + virtual void setHeight(const int height); + virtual int height(); + virtual void setX(const int x); + virtual int x(); + virtual void setY(const int y); + virtual int y(); + + virtual QRect primarySubViewport() const; + virtual void setPrimarySubViewport(const QRect &primarySubViewport); + + virtual QRect secondarySubViewport() const; + virtual void setSecondarySubViewport(const QRect &secondarySubViewport); + + virtual void setAxisX(Q3DAbstractAxis *axis); + virtual Q3DAbstractAxis *axisX(); + virtual void setAxisY(Q3DAbstractAxis *axis); + virtual Q3DAbstractAxis *axisY(); + virtual void setAxisZ(Q3DAbstractAxis *axis); + virtual Q3DAbstractAxis *axisZ(); + virtual void addAxis(Q3DAbstractAxis *axis); + virtual void releaseAxis(Q3DAbstractAxis *axis); + virtual QList<Q3DAbstractAxis *> axes() const; // Omits default axes + + virtual void addInputHandler(QAbstract3DInputHandler *inputHandler); + virtual void releaseInputHandler(QAbstract3DInputHandler *inputHandler); + virtual void setActiveInputHandler(QAbstract3DInputHandler *inputHandler); + virtual QAbstract3DInputHandler *activeInputHandler(); + + virtual QAbstractDataProxy *activeDataProxy() const; + virtual void addDataProxy(QAbstractDataProxy *proxy); + virtual void releaseDataProxy(QAbstractDataProxy *proxy); + virtual QList<QAbstractDataProxy *> dataProxies() const; + virtual void setActiveDataProxy(QAbstractDataProxy *proxy); + virtual void updateDevicePixelRatio(qreal ratio); + + virtual int zoomLevel(); + virtual void setZoomLevel(int zoomLevel); + + // Set color if you don't want to use themes. + virtual void setObjectColor(const QColor &baseColor, bool uniform = true); + virtual QColor objectColor() const; + + // Set theme (bar colors, shaders, window color, background colors, light intensity and text + // colors are affected) + virtual void setTheme(QDataVis::Theme theme); + virtual Theme theme(); + + // Set font + virtual void setFont(const QFont &font); + virtual QFont font(); + + // Selection mode + virtual void setSelectionMode(QDataVis::SelectionMode mode); + virtual QDataVis::SelectionMode selectionMode(); + + // Adjust shadow quality + virtual void setShadowQuality(QDataVis::ShadowQuality quality); + virtual QDataVis::ShadowQuality shadowQuality(); + + // Label style adjustment + virtual void setLabelStyle(QDataVis::LabelStyle style); + virtual QDataVis::LabelStyle labelStyle(); + + // Enable or disable background mesh + virtual void setBackgroundEnabled(bool enable); + virtual bool backgroundEnabled(); + + // Enable or disable background grid + virtual void setGridEnabled(bool enable); + virtual bool gridEnabled(); + + // Query input state and position + QDataVis::InputState inputState(); + QPoint inputPosition(); + + // Enable or disable slicing mode + bool isSlicingActive(); + void setSlicingActive(bool isSlicing); + + + // override bar type with own mesh + virtual void setMeshFileName(const QString &fileName); + virtual QString meshFileName(); + + Q3DScene *scene(); + + virtual void mouseDoubleClickEvent(QMouseEvent *event); + virtual void touchEvent(QTouchEvent *event); + virtual void mousePressEvent(QMouseEvent *event, const QPoint &mousePos); + virtual void mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos); + virtual void mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos); + virtual void wheelEvent(QWheelEvent *event); + + virtual void handleAxisTitleChangedBySender(QObject *sender); + virtual void handleAxisLabelsChangedBySender(QObject *sender); + virtual void handleAxisRangeChangedBySender(QObject *sender); + virtual void handleAxisSegmentCountChangedBySender(QObject *sender); + virtual void handleAxisSubSegmentCountChangedBySender(QObject *sender); + virtual void handleAxisAutoAdjustRangeChangedInOrientation( + Q3DAbstractAxis::AxisOrientation orientation, bool autoAdjust) = 0; + virtual void handleAxisLabelFormatChangedBySender(QObject *sender); + +public slots: + void handleAxisTitleChanged(const QString &title); + void handleAxisLabelsChanged(); + void handleAxisRangeChanged(qreal min, qreal max); + void handleAxisSegmentCountChanged(int count); + void handleAxisSubSegmentCountChanged(int count); + void handleAxisAutoAdjustRangeChanged(bool autoAdjust); + void handleAxisLabelFormatChanged(const QString &format); + +signals: + void shadowQualityChanged(QDataVis::ShadowQuality quality); + void activeInputHandlerChanged(QAbstract3DInputHandler *inputHandler); + void needRender(); + +protected: + virtual Q3DAbstractAxis *createDefaultAxis(Q3DAbstractAxis::AxisOrientation orientation); + Q3DValueAxis *createDefaultValueAxis(); + Q3DCategoryAxis *createDefaultCategoryAxis(); + void emitNeedRender(); + +private: + void setAxisHelper(Q3DAbstractAxis::AxisOrientation orientation, Q3DAbstractAxis *axis, + Q3DAbstractAxis **axisPtr); +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // CONTROLLER3DBASE_H diff --git a/src/datavisualization/engine/abstract3drenderer.cpp b/src/datavisualization/engine/abstract3drenderer.cpp new file mode 100644 index 00000000..eef810df --- /dev/null +++ b/src/datavisualization/engine/abstract3drenderer.cpp @@ -0,0 +1,313 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "abstract3drenderer_p.h" +#include "q3dvalueaxis.h" +#include "texturehelper_p.h" +#include "utils_p.h" +#include "q3dscene_p.h" +#include "q3dcamera_p.h" +#include "q3dlight_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +Abstract3DRenderer::Abstract3DRenderer(Abstract3DController *controller) + : QObject(0), + m_controller(controller), + m_hasNegativeValues(false), + m_cachedTheme(), + m_cachedFont(QFont(QStringLiteral("Arial"))), + m_cachedLabelStyle(QDataVis::LabelStyleFromTheme), + m_drawer(new Drawer(m_cachedTheme, m_cachedFont, m_cachedLabelStyle)), + m_cachedBoundingRect(QRect(0,0,0,0)), + m_cachedShadowQuality(QDataVis::ShadowQualityMedium), + m_autoScaleAdjustment(1.0f), + m_cachedSelectionMode(QDataVis::SelectionModeNone), + m_cachedIsGridEnabled(false), + m_cachedIsBackgroundEnabled(false), + m_cachedScene(new Q3DScene()) + #ifdef DISPLAY_RENDER_SPEED + , m_isFirstFrame(true), + m_numFrames(0) + #endif + +{ + QObject::connect(m_drawer, &Drawer::drawerChanged, this, &Abstract3DRenderer::updateTextures); + QObject::connect(this, &Abstract3DRenderer::needRender, m_controller, + &Abstract3DController::needRender, Qt::QueuedConnection); +} + +Abstract3DRenderer::~Abstract3DRenderer() +{ + delete m_drawer; + delete m_textureHelper; + delete m_cachedScene; +} + +void Abstract3DRenderer::initializeOpenGL() +{ + // Set OpenGL features + glEnable(GL_DEPTH_TEST); + glDepthFunc(GL_LESS); + glEnable(GL_CULL_FACE); + glCullFace(GL_BACK); + +#if !defined(QT_OPENGL_ES_2) + glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); + glHint(GL_LINE_SMOOTH_HINT, GL_NICEST); + glHint(GL_POLYGON_SMOOTH_HINT, GL_NICEST); +#endif + + m_textureHelper = new TextureHelper(); + m_drawer->initializeOpenGL(); + + axisCacheForOrientation(Q3DAbstractAxis::AxisOrientationX).setDrawer(m_drawer); + axisCacheForOrientation(Q3DAbstractAxis::AxisOrientationY).setDrawer(m_drawer); + axisCacheForOrientation(Q3DAbstractAxis::AxisOrientationZ).setDrawer(m_drawer); +} + +void Abstract3DRenderer::render(const GLuint defaultFboHandle) +{ +#ifdef DISPLAY_RENDER_SPEED + // For speed computation + if (m_isFirstFrame) { + m_lastFrameTime.start(); + m_isFirstFrame = false; + } + + // Measure speed (as milliseconds per frame) + m_numFrames++; + if (m_lastFrameTime.elapsed() >= 1000) { // print only if last measurement was more than 1s ago + qDebug() << qreal(m_lastFrameTime.elapsed()) / qreal(m_numFrames) << "ms/frame (=" << qreal(m_numFrames) << "fps)"; + m_numFrames = 0; + m_lastFrameTime.restart(); + } +#endif + + if (defaultFboHandle) { + glDepthMask(true); + glEnable(GL_DEPTH_TEST); + glDepthFunc(GL_LESS); + glEnable(GL_CULL_FACE); + glCullFace(GL_BACK); + glDisable(GL_BLEND); // For QtQuick2 blending is enabled by default, but we don't want it to be + } + + glViewport(m_cachedScene->viewport().x(), + m_cachedScene->viewport().y(), + m_cachedScene->viewport().width(), + m_cachedScene->viewport().height()); + + QVector3D clearColor = Utils::vectorFromColor(m_cachedTheme.m_windowColor); + glClearColor(clearColor.x(), clearColor.y(), clearColor.z(), 1.0f); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); +} + +QString Abstract3DRenderer::generateValueLabel(const QString &format, qreal value) +{ + QString valueLabelFormat = format; + Utils::ParamType valueParamType = Utils::findFormatParamType(valueLabelFormat); + QByteArray valueFormatArray = valueLabelFormat.toUtf8(); + return Utils::formatLabel(valueFormatArray, valueParamType, value); +} + +void Abstract3DRenderer::updateDataModel(QAbstractDataProxy *dataProxy) +{ + m_cachedItemLabelFormat = dataProxy->itemLabelFormat(); +} + +QString Abstract3DRenderer::itemLabelFormat() const +{ + return m_cachedItemLabelFormat; +} + +void Abstract3DRenderer::updateBoundingRect(const QRect &boundingRect) +{ + m_cachedBoundingRect = boundingRect; + handleResize(); +} + +void Abstract3DRenderer::updatePosition(const QRect &boundingRect) +{ + m_cachedBoundingRect = boundingRect; +} + +void Abstract3DRenderer::updateTheme(Theme theme) +{ + m_cachedTheme.setFromTheme(theme); + + m_drawer->setTheme(m_cachedTheme); + // Re-initialize shaders + handleShadowQualityChange(); +} + +void Abstract3DRenderer::updateScene(Q3DScene *scene) +{ + // Synchronize the controller scene to that of the renderer, and vice versa. + // Controller scene had priority if both have changed same values. + scene->d_ptr->sync(*m_cachedScene->d_ptr); + m_cachedScene->d_ptr->sync(*scene->d_ptr); +} + +void Abstract3DRenderer::handleShadowQualityChange() +{ +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + if (!m_cachedTheme.m_uniformColor) { + initShaders(QStringLiteral(":/shaders/vertexShadow"), + QStringLiteral(":/shaders/fragmentShadowNoTexColorOnY")); + } else { + initShaders(QStringLiteral(":/shaders/vertexShadow"), + QStringLiteral(":/shaders/fragmentShadowNoTex")); + } + initBackgroundShaders(QStringLiteral(":/shaders/vertexShadow"), + QStringLiteral(":/shaders/fragmentShadowNoTex")); + } else { + if (!m_cachedTheme.m_uniformColor) { + initShaders(QStringLiteral(":/shaders/vertex"), + QStringLiteral(":/shaders/fragmentColorOnY")); + } else { + initShaders(QStringLiteral(":/shaders/vertex"), + QStringLiteral(":/shaders/fragment")); + } + initBackgroundShaders(QStringLiteral(":/shaders/vertex"), + QStringLiteral(":/shaders/fragment")); + } +#else + if (!m_cachedTheme.m_uniformColor) { + initShaders(QStringLiteral(":/shaders/vertexES2"), + QStringLiteral(":/shaders/fragmentColorOnYES2")); + } else { + initShaders(QStringLiteral(":/shaders/vertexES2"), + QStringLiteral(":/shaders/fragmentES2")); + } + initBackgroundShaders(QStringLiteral(":/shaders/vertexES2"), + QStringLiteral(":/shaders/fragmentES2")); +#endif +} + +void Abstract3DRenderer::updateFont(const QFont &font) +{ + m_cachedFont = font; + m_drawer->setFont(font); +} + +void Abstract3DRenderer::updateLabelStyle(QDataVis::LabelStyle style) +{ + m_cachedLabelStyle = style; + m_drawer->setStyle(style); +} + +void Abstract3DRenderer::updateMeshFileName(const QString &objFileName) +{ + if (objFileName != m_cachedObjFile) { + m_cachedObjFile = objFileName; + loadMeshFile(); + } +} + +void Abstract3DRenderer::updateSelectionMode(QDataVis::SelectionMode mode) +{ + m_cachedSelectionMode = mode; +} + +void Abstract3DRenderer::updateGridEnabled(bool enable) +{ + m_cachedIsGridEnabled = enable; +} + +void Abstract3DRenderer::updateBackgroundEnabled(bool enable) +{ + m_cachedIsBackgroundEnabled = enable; +} + +void Abstract3DRenderer::handleResize() +{ + if (m_cachedBoundingRect.width() == 0 || m_cachedBoundingRect.height() == 0) + return; + // Calculate zoom level based on aspect ratio + GLfloat div; + GLfloat zoomAdjustment; + div = qMin(m_cachedBoundingRect.width(), m_cachedBoundingRect.height()); + zoomAdjustment = defaultRatio * ((m_cachedBoundingRect.width() / div) + / (m_cachedBoundingRect.height() / div)); + m_autoScaleAdjustment = qMin(zoomAdjustment, 1.0f); // clamp to 1.0f + + // Re-init selection buffer + initSelectionBuffer(); + +#if !defined(QT_OPENGL_ES_2) + // Re-init depth buffer + updateDepthBuffer(); +#endif +} + +void Abstract3DRenderer::updateAxisType(Q3DAbstractAxis::AxisOrientation orientation, Q3DAbstractAxis::AxisType type) +{ + axisCacheForOrientation(orientation).setType(type); +} + +void Abstract3DRenderer::updateAxisTitle(Q3DAbstractAxis::AxisOrientation orientation, const QString &title) +{ + axisCacheForOrientation(orientation).setTitle(title); +} + +void Abstract3DRenderer::updateAxisLabels(Q3DAbstractAxis::AxisOrientation orientation, const QStringList &labels) +{ + axisCacheForOrientation(orientation).setLabels(labels); +} + +void Abstract3DRenderer::updateAxisRange(Q3DAbstractAxis::AxisOrientation orientation, qreal min, qreal max) +{ + AxisRenderCache &cache = axisCacheForOrientation(orientation); + cache.setMin(min); + cache.setMax(max); +} + +void Abstract3DRenderer::updateAxisSegmentCount(Q3DAbstractAxis::AxisOrientation orientation, int count) +{ + axisCacheForOrientation(orientation).setSegmentCount(count); +} + +void Abstract3DRenderer::updateAxisSubSegmentCount(Q3DAbstractAxis::AxisOrientation orientation, int count) +{ + axisCacheForOrientation(orientation).setSubSegmentCount(count); +} + +void Abstract3DRenderer::updateAxisLabelFormat(Q3DAbstractAxis::AxisOrientation orientation, const QString &format) +{ + axisCacheForOrientation(orientation).setLabelFormat(format); +} + +AxisRenderCache &Abstract3DRenderer::axisCacheForOrientation(Q3DAbstractAxis::AxisOrientation orientation) +{ + switch (orientation) { + case Q3DAbstractAxis::AxisOrientationX: + return m_axisCacheX; + case Q3DAbstractAxis::AxisOrientationY: + return m_axisCacheY; + case Q3DAbstractAxis::AxisOrientationZ: + return m_axisCacheZ; + default: + qFatal("Abstract3DRenderer::axisCacheForOrientation"); + return m_axisCacheX; + } +} + + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/abstract3drenderer_p.h b/src/datavisualization/engine/abstract3drenderer_p.h new file mode 100644 index 00000000..1c61ac07 --- /dev/null +++ b/src/datavisualization/engine/abstract3drenderer_p.h @@ -0,0 +1,141 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef ABSTRACT3DRENDERER_P_H +#define ABSTRACT3DRENDERER_P_H + +#include <QtGui/QOpenGLFunctions> +#include <QtGui/QFont> +#include <QTime> + +#include "datavisualizationglobal_p.h" +#include "abstract3dcontroller_p.h" +#include "axisrendercache_p.h" +#include "qabstractdataproxy.h" + +//#define DISPLAY_RENDER_SPEED + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class TextureHelper; +class Theme; +class Drawer; + +class Abstract3DRenderer : public QObject, protected QOpenGLFunctions +{ + Q_OBJECT + +private: + Abstract3DController *m_controller; + +protected: + bool m_hasNegativeValues; + Theme m_cachedTheme; + QFont m_cachedFont; + QDataVis::LabelStyle m_cachedLabelStyle; + Drawer *m_drawer; + QRect m_cachedBoundingRect; + QDataVis::ShadowQuality m_cachedShadowQuality; + GLfloat m_autoScaleAdjustment; + + QString m_cachedItemLabelFormat; + QString m_cachedObjFile; + QDataVis::SelectionMode m_cachedSelectionMode; + bool m_cachedIsGridEnabled; + bool m_cachedIsBackgroundEnabled; + + AxisRenderCache m_axisCacheX; + AxisRenderCache m_axisCacheY; + AxisRenderCache m_axisCacheZ; + TextureHelper *m_textureHelper; + Q3DBox m_boundingBox; + + Q3DScene *m_cachedScene; + +#ifdef DISPLAY_RENDER_SPEED + bool m_isFirstFrame; + QTime m_lastFrameTime; + GLint m_numFrames; +#endif + + QString generateValueLabel(const QString &format, qreal value); + +public: + virtual ~Abstract3DRenderer(); + + void updateDataModel(QAbstractDataProxy *dataProxy); + + virtual void render(GLuint defaultFboHandle); + + virtual void updateBoundingRect(const QRect &boundingRect); + virtual void updatePosition(const QRect &boundingRect); + + virtual void updateTheme(Theme theme); + virtual void updateFont(const QFont &font); + virtual void updateLabelStyle(QDataVis::LabelStyle style); + virtual void updateSelectionMode(QDataVis::SelectionMode newMode); + virtual void updateGridEnabled(bool enable); + virtual void updateBackgroundEnabled(bool enable); + virtual void updateMeshFileName(const QString &objFileName); + virtual void updateScene(Q3DScene *scene); + virtual QString itemLabelFormat() const; + virtual void updateTextures() = 0; + virtual void initSelectionBuffer() = 0; + +#if !defined(QT_OPENGL_ES_2) + virtual void updateDepthBuffer() = 0; +#endif + virtual void updateShadowQuality(QDataVis::ShadowQuality quality) = 0; + virtual void initShaders(const QString &vertexShader, const QString &fragmentShader) = 0; + virtual void initBackgroundShaders(const QString &vertexShader, const QString &fragmentShader) = 0; + virtual void updateAxisType(Q3DAbstractAxis::AxisOrientation orientation, Q3DAbstractAxis::AxisType type); + virtual void updateAxisTitle(Q3DAbstractAxis::AxisOrientation orientation, const QString &title); + virtual void updateAxisLabels(Q3DAbstractAxis::AxisOrientation orientation, const QStringList &labels); + virtual void updateAxisRange(Q3DAbstractAxis::AxisOrientation orientation, qreal min, qreal max); + virtual void updateAxisSegmentCount(Q3DAbstractAxis::AxisOrientation orientation, int count); + virtual void updateAxisSubSegmentCount(Q3DAbstractAxis::AxisOrientation orientation, int count); + virtual void updateAxisLabelFormat(Q3DAbstractAxis::AxisOrientation orientation, const QString &format); + +signals: + void needRender(); // Emit this if something in renderer causes need for another render pass. + +protected: + Abstract3DRenderer(Abstract3DController *controller); + + virtual void initializeOpenGL(); + + virtual void handleShadowQualityChange(); + virtual void handleResize(); + virtual void loadMeshFile() = 0; + + AxisRenderCache &axisCacheForOrientation(Q3DAbstractAxis::AxisOrientation orientation); +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // ABSTRACT3DRENDERER_P_H diff --git a/src/datavisualization/engine/axisrendercache.cpp b/src/datavisualization/engine/axisrendercache.cpp new file mode 100644 index 00000000..55ac0765 --- /dev/null +++ b/src/datavisualization/engine/axisrendercache.cpp @@ -0,0 +1,186 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "axisrendercache_p.h" +#include "qmath.h" +#include <QFontMetrics> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +AxisRenderCache::AxisRenderCache() + : m_type(Q3DAbstractAxis::AxisTypeNone), + m_min(0.0), + m_max(10.0), + m_segmentCount(5), + m_subSegmentCount(1), + m_font(QFont(QStringLiteral("Arial"))), + m_drawer(0), + m_segmentStep(10.0f), + m_subSegmentStep(10.0f) +{ +} + +AxisRenderCache::~AxisRenderCache() +{ + foreach (LabelItem *label, m_labelItems) + delete label; +} + +void AxisRenderCache::setDrawer(Drawer *drawer) +{ + m_drawer = drawer; + m_font = m_drawer->font(); + if (m_drawer) { + QObject::connect(m_drawer, &Drawer::drawerChanged, this, &AxisRenderCache::updateTextures); + updateTextures(); + } +} + +void AxisRenderCache::setType(Q3DAbstractAxis::AxisType type) +{ + m_type = type; + + // If type is set, it means completely new axis instance, so clear all old data + m_labels.clear(); + m_title.clear(); + m_min = 0.0; + m_max = 10.0; + m_segmentCount = 5; + m_subSegmentCount = 1; + m_labelFormat.clear(); + + m_titleItem.clear(); + foreach (LabelItem *label, m_labelItems) + delete label; + m_labelItems.clear(); + m_segmentStep = 10.0f; + m_subSegmentStep = 10.0f; +} + +void AxisRenderCache::setTitle(const QString &title) +{ + if (m_title != title) { + m_title = title; + // Generate axis label texture + if (m_drawer) + m_drawer->generateLabelItem(m_titleItem, title); + } +} + +void AxisRenderCache::setLabels(const QStringList &labels) +{ + if (m_labels != labels) { + int newSize(labels.size()); + int oldSize(m_labels.size()); + + for (int i = newSize; i < oldSize; i++) + delete m_labelItems.takeLast(); + + m_labelItems.reserve(newSize); + + int widest = maxLabelWidth(labels); + + for (int i = 0; i < newSize; i++) { + if (i >= oldSize) + m_labelItems.append(new LabelItem); + if (m_drawer) { + if (labels.at(i).isEmpty()) + m_labelItems[i]->clear(); + else if (i >= oldSize || labels.at(i) != m_labels.at(i)) + m_drawer->generateLabelItem(*m_labelItems[i], labels.at(i), widest); + } + } + m_labels = labels; + } +} + +void AxisRenderCache::setMin(qreal min) +{ + m_min = min; + updateSegmentStep(); +} + +void AxisRenderCache::setMax(qreal max) +{ + m_max = max; + updateSegmentStep(); +} + +void AxisRenderCache::setSegmentCount(int count) +{ + m_segmentCount = count; + updateSegmentStep(); +} + +void AxisRenderCache::setSubSegmentCount(int count) +{ + m_subSegmentCount = count; + updateSubSegmentStep(); +} + +void AxisRenderCache::updateTextures() +{ + m_font = m_drawer->font(); + + if (m_title.isEmpty()) + m_titleItem.clear(); + else + m_drawer->generateLabelItem(m_titleItem, m_title); + + int widest = maxLabelWidth(m_labels); + + for (int i = 0; i < m_labels.size(); i++) { + if (m_labels.at(i).isEmpty()) + m_labelItems[i]->clear(); + else + m_drawer->generateLabelItem(*m_labelItems[i], m_labels.at(i), widest); + } +} + +void AxisRenderCache::updateSegmentStep() +{ + if (m_segmentCount > 0) + m_segmentStep = qFabs((m_max - m_min) / m_segmentCount); + else + m_segmentStep = 0.0f; // Irrelevant + updateSubSegmentStep(); +} + +void AxisRenderCache::updateSubSegmentStep() +{ + if (m_subSegmentCount > 1) + m_subSegmentStep = m_segmentStep / m_subSegmentCount; + else + m_subSegmentStep = m_segmentStep; +} + +int AxisRenderCache::maxLabelWidth(const QStringList &labels) const +{ + int labelWidth = 0; + QFont labelFont = m_font; + labelFont.setPointSize(textureFontSize); + QFontMetrics labelFM(labelFont); + for (int i = 0; i < labels.size(); i++) { + int newWidth = labelFM.width(labels.at(i)); + if (labelWidth < newWidth) + labelWidth = newWidth; + } + return labelWidth; +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/axisrendercache_p.h b/src/datavisualization/engine/axisrendercache_p.h new file mode 100644 index 00000000..0bb1cf92 --- /dev/null +++ b/src/datavisualization/engine/axisrendercache_p.h @@ -0,0 +1,101 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef AXISRENDERCACHE_P_H +#define AXISRENDERCACHE_P_H + +#include "datavisualizationglobal_p.h" +#include "labelitem_p.h" +#include "q3dabstractaxis_p.h" +#include "drawer_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class AxisRenderCache : public QObject +{ + Q_OBJECT +public: + AxisRenderCache(); + virtual ~AxisRenderCache(); + + void setDrawer(Drawer *drawer); + + void setType(Q3DAbstractAxis::AxisType type); + inline Q3DAbstractAxis::AxisType type() const { return m_type; } + void setTitle(const QString &title); + inline const QString &title() { return m_title; } + void setLabels(const QStringList &labels); + inline const QStringList &labels() { return m_labels; } + void setMin(qreal min); + inline qreal min() { return m_min; } + void setMax(qreal max); + inline qreal max() { return m_max; } + void setSegmentCount(int count); + inline int segmentCount() const { return m_segmentCount; } + void setSubSegmentCount(int count); + inline int subSegmentCount() const { return m_subSegmentCount; } + inline void setLabelFormat(const QString &format) { m_labelFormat = format; } + inline const QString &labelFormat() { return m_labelFormat; } + + inline LabelItem &titleItem() { return m_titleItem; } + inline QList<LabelItem *> &labelItems() { return m_labelItems; } + inline GLfloat segmentStep() const { return m_segmentStep; } + inline GLfloat subSegmentStep() const { return m_subSegmentStep; } + +public slots: + void updateTextures(); + +private: + void updateSegmentStep(); + void updateSubSegmentStep(); + int maxLabelWidth(const QStringList &labels) const; + + // Cached axis values + Q3DAbstractAxis::AxisType m_type; + QString m_title; + QStringList m_labels; + qreal m_min; + qreal m_max; + int m_segmentCount; + int m_subSegmentCount; + QString m_labelFormat; + QFont m_font; + + // Renderer items + Drawer *m_drawer; // Not owned + LabelItem m_titleItem; + QList<LabelItem *> m_labelItems; + GLfloat m_segmentStep; + GLfloat m_subSegmentStep; + + Q_DISABLE_COPY(AxisRenderCache) +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/engine/bars3dcontroller.cpp b/src/datavisualization/engine/bars3dcontroller.cpp new file mode 100644 index 00000000..50d8d030 --- /dev/null +++ b/src/datavisualization/engine/bars3dcontroller.cpp @@ -0,0 +1,428 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "bars3dcontroller_p.h" +#include "bars3drenderer_p.h" +#include "camerahelper_p.h" +#include "q3dabstractaxis_p.h" +#include "q3dvalueaxis_p.h" +#include "q3dcategoryaxis_p.h" +#include "qbardataproxy_p.h" + +#include <QMatrix4x4> +#include <qmath.h> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +Bars3DController::Bars3DController(QRect boundRect) + : Abstract3DController(boundRect), + m_selectedBarPos(noSelectionPoint()), + m_isBarSpecRelative(true), + m_barThicknessRatio(1.0f), + m_barSpacing(QSizeF(1.0, 1.0)), + m_renderer(0) +{ + // Default bar type; specific to bars + setBarType(QDataVis::MeshStyleBevelBars, false); + + setActiveDataProxy(0); + + // Setting a null axis creates a new default axis according to orientation and graph type. + // Note: These cannot be set in Abstract3DController constructor, as they will call virtual + // functions implemented by subclasses. + setAxisX(0); + setAxisY(0); + setAxisZ(0); +} + +Bars3DController::~Bars3DController() +{ +} + +void Bars3DController::initializeOpenGL() +{ + // Initialization is called multiple times when Qt Quick components are used + if (isInitialized()) + return; + + m_renderer = new Bars3DRenderer(this); + + setRenderer(m_renderer); + synchDataToRenderer(); + + QObject::connect(m_renderer, &Bars3DRenderer::selectedBarPosChanged, this, + &Bars3DController::handleSelectedBarPosChanged, Qt::QueuedConnection); + emitNeedRender(); +} + +void Bars3DController::synchDataToRenderer() +{ + Abstract3DController::synchDataToRenderer(); + + if (!isInitialized()) + return; + + // Notify changes to renderer + if (m_changeTracker.barSpecsChanged) { + m_renderer->updateBarSpecs(m_barThicknessRatio, m_barSpacing, m_isBarSpecRelative); + m_changeTracker.barSpecsChanged = false; + } + + if (m_changeTracker.selectedBarPosChanged) { + m_renderer->updateSelectedBarPos(m_selectedBarPos); + m_changeTracker.selectedBarPosChanged = false; + } + + if (m_isDataDirty) { + m_renderer->updateDataModel(static_cast<QBarDataProxy *>(m_data)); + m_isDataDirty = false; + } +} + +void Bars3DController::setActiveDataProxy(QAbstractDataProxy *proxy) +{ + // Setting null proxy indicates default proxy + if (!proxy) { + proxy = new QBarDataProxy; + proxy->d_ptr->setDefaultProxy(true); + } + + Q_ASSERT(proxy->type() == QAbstractDataProxy::DataTypeBar); + + Abstract3DController::setActiveDataProxy(proxy); + + QBarDataProxy *barDataProxy = static_cast<QBarDataProxy *>(m_data); + + QObject::connect(barDataProxy, &QBarDataProxy::arrayReset, this, + &Bars3DController::handleArrayReset); + QObject::connect(barDataProxy, &QBarDataProxy::rowsAdded, this, + &Bars3DController::handleRowsAdded); + QObject::connect(barDataProxy, &QBarDataProxy::rowsChanged, this, + &Bars3DController::handleRowsChanged); + QObject::connect(barDataProxy, &QBarDataProxy::rowsRemoved, this, + &Bars3DController::handleRowsRemoved); + QObject::connect(barDataProxy, &QBarDataProxy::rowsInserted, this, + &Bars3DController::handleRowsInserted); + QObject::connect(barDataProxy, &QBarDataProxy::itemChanged, this, + &Bars3DController::handleItemChanged); + QObject::connect(barDataProxy, &QBarDataProxy::rowLabelsChanged, this, + &Bars3DController::handleDataRowLabelsChanged); + QObject::connect(barDataProxy, &QBarDataProxy::columnLabelsChanged, this, + &Bars3DController::handleDataColumnLabelsChanged); + + scene()->setSlicingActive(false); + adjustAxisRanges(); + + // Always clear selection on proxy change + setSelectedBarPos(noSelectionPoint()); + + handleDataRowLabelsChanged(); + handleDataColumnLabelsChanged(); + m_isDataDirty = true; + emitNeedRender(); +} + +void Bars3DController::handleArrayReset() +{ + scene()->setSlicingActive(false); + adjustAxisRanges(); + m_isDataDirty = true; + // Clear selection unless still valid + setSelectedBarPos(m_selectedBarPos); + emitNeedRender(); +} + +void Bars3DController::handleRowsAdded(int startIndex, int count) +{ + Q_UNUSED(startIndex) + Q_UNUSED(count) + // TODO should update slice instead of deactivating? + scene()->setSlicingActive(false); + adjustAxisRanges(); + m_isDataDirty = true; + emitNeedRender(); +} + +void Bars3DController::handleRowsChanged(int startIndex, int count) +{ + Q_UNUSED(startIndex) + Q_UNUSED(count) + // TODO should update slice instead of deactivating? + scene()->setSlicingActive(false); + adjustAxisRanges(); + m_isDataDirty = true; + emitNeedRender(); +} + +void Bars3DController::handleRowsRemoved(int startIndex, int count) +{ + Q_UNUSED(startIndex) + Q_UNUSED(count) + // TODO should update slice instead of deactivating? + scene()->setSlicingActive(false); + adjustAxisRanges(); + m_isDataDirty = true; + + // Clear selection unless still valid + setSelectedBarPos(m_selectedBarPos); + + emitNeedRender(); +} + +void Bars3DController::handleRowsInserted(int startIndex, int count) +{ + Q_UNUSED(startIndex) + Q_UNUSED(count) + // TODO should update slice instead of deactivating? + scene()->setSlicingActive(false); + adjustAxisRanges(); + m_isDataDirty = true; + emitNeedRender(); +} + +void Bars3DController::handleItemChanged(int rowIndex, int columnIndex) +{ + Q_UNUSED(rowIndex) + Q_UNUSED(columnIndex) + // TODO should update slice instead of deactivating? + scene()->setSlicingActive(false); + adjustAxisRanges(); + m_isDataDirty = true; + emitNeedRender(); +} + +void Bars3DController::handleDataRowLabelsChanged() +{ + if (m_axisX && m_data) { + // Grab a sublist equal to data window (no need to have more labels in axis) + int min = int(m_axisX->min()); + int count = int(m_axisX->max()) - min + 1; + QStringList subList = static_cast<QBarDataProxy *>(m_data)->rowLabels().mid(min, count); + static_cast<Q3DCategoryAxis *>(m_axisX)->dptr()->setDataLabels(subList); + } +} + +void Bars3DController::handleDataColumnLabelsChanged() +{ + if (m_axisZ && m_data) { + // Grab a sublist equal to data window (no need to have more labels in axis) + int min = int(m_axisZ->min()); + int count = int(m_axisZ->max()) - min + 1; + QStringList subList = static_cast<QBarDataProxy *>(m_data)->columnLabels().mid(min, count); + static_cast<Q3DCategoryAxis *>(m_axisZ)->dptr()->setDataLabels(subList); + } +} + +void Bars3DController::handleSelectedBarPosChanged(const QPoint &position) +{ + QPoint pos = position; + if (pos == QPoint(255, 255)) + pos = noSelectionPoint(); + if (pos != m_selectedBarPos) { + m_selectedBarPos = pos; + emit selectedBarPosChanged(pos); + emitNeedRender(); + } +} + +void Bars3DController::handleAxisAutoAdjustRangeChangedInOrientation( + Q3DAbstractAxis::AxisOrientation orientation, bool autoAdjust) +{ + Q_UNUSED(orientation) + Q_UNUSED(autoAdjust) + adjustAxisRanges(); +} + +QPoint Bars3DController::noSelectionPoint() +{ + static QPoint noSelectionPos(-1, -1); + return noSelectionPos; +} + +void Bars3DController::setAxisX(Q3DAbstractAxis *axis) +{ + Abstract3DController::setAxisX(axis); + handleDataRowLabelsChanged(); +} + +void Bars3DController::setAxisZ(Q3DAbstractAxis *axis) +{ + Abstract3DController::setAxisZ(axis); + handleDataColumnLabelsChanged(); +} + +void Bars3DController::handleAxisRangeChangedBySender(QObject *sender) +{ + // Data window changed + if (sender == m_axisX || sender == m_axisZ) { + // Disable zoom mode if we're in it (causes crash if not, as zoom selection is deleted) + scene()->setSlicingActive(false); + + // Clear selection unless still valid + setSelectedBarPos(m_selectedBarPos); + + if (sender == m_axisX) + handleDataRowLabelsChanged(); + if (sender == m_axisZ) + handleDataColumnLabelsChanged(); + } + + Abstract3DController::handleAxisRangeChangedBySender(sender); +} + +void Bars3DController::setBarSpecs(GLfloat thicknessRatio, const QSizeF &spacing, bool relative) +{ + m_barThicknessRatio = thicknessRatio; + m_barSpacing = spacing; + m_isBarSpecRelative = relative; + + m_changeTracker.barSpecsChanged = true; + emitNeedRender(); +} + +GLfloat Bars3DController::barThickness() +{ + return m_barThicknessRatio; +} + +QSizeF Bars3DController::barSpacing() +{ + return m_barSpacing; +} + +bool Bars3DController::isBarSpecRelative() +{ + return m_isBarSpecRelative; +} + +void Bars3DController::setBarType(QDataVis::MeshStyle style, bool smooth) +{ + QString objFile; + if (style == QDataVis::MeshStyleBars) + objFile = QStringLiteral(":/defaultMeshes/bar"); + else if (style == QDataVis::MeshStylePyramids) + objFile = QStringLiteral(":/defaultMeshes/pyramid"); + else if (style == QDataVis::MeshStyleCones) + objFile = QStringLiteral(":/defaultMeshes/cone"); + else if (style == QDataVis::MeshStyleCylinders) + objFile = QStringLiteral(":/defaultMeshes/cylinder"); + else if (style == QDataVis::MeshStyleBevelBars) + objFile = QStringLiteral(":/defaultMeshes/bevelbar"); + + if (smooth) + objFile += QStringLiteral("Smooth"); + + Abstract3DController::setMeshFileName(objFile); +} + +void Bars3DController::setSelectionMode(QDataVis::SelectionMode mode) +{ + // Disable zoom if selection mode changes + scene()->setSlicingActive(false); + Abstract3DController::setSelectionMode(mode); +} + +void Bars3DController::setSelectedBarPos(const QPoint &position) +{ + // If the selection is outside data window or targets non-existent + // bar, clear selection instead. + QPoint pos = position; + + if (pos != noSelectionPoint()) { + int minRow = int(m_axisX->min()); + int maxRow = int(m_axisX->max()); + int minCol = int(m_axisZ->min()); + int maxCol = int(m_axisZ->max()); + + if (pos.x() < minRow || pos.x() > maxRow || pos.y() < minCol || pos.y() > maxCol + || pos.x() + minRow >= static_cast<QBarDataProxy *>(m_data)->rowCount() + || pos.y() + minCol >= static_cast<QBarDataProxy *>(m_data)->rowAt(pos.x())->size()) { + pos = noSelectionPoint(); + } + } + + if (pos != m_selectedBarPos) { + m_selectedBarPos = pos; + m_changeTracker.selectedBarPosChanged = true; + emit selectedBarPosChanged(pos); + emitNeedRender(); + } +} + +QPoint Bars3DController::selectedBarPos() const +{ + return m_selectedBarPos; +} + +void Bars3DController::adjustAxisRanges() +{ + const QBarDataProxy *proxy = static_cast<QBarDataProxy *>(m_data); + const QBarDataArray *array = proxy->array(); + + Q3DCategoryAxis *categoryAxisX = static_cast<Q3DCategoryAxis *>(m_axisX); + if (categoryAxisX && categoryAxisX->isAutoAdjustRange() && proxy) { + int rowCount = proxy->rowCount(); + if (rowCount) + rowCount--; + categoryAxisX->dptr()->setRange(0.0, qreal(rowCount)); + } + + Q3DCategoryAxis *categoryAxisZ = static_cast<Q3DCategoryAxis *>(m_axisZ); + if (categoryAxisZ && categoryAxisZ->isAutoAdjustRange() && proxy) { + int columnCount = 0; + for (int i = 0; i < array->size(); i++) { + if (columnCount < array->at(i)->size()) + columnCount = array->at(i)->size(); + } + if (columnCount) + columnCount--; + categoryAxisZ->dptr()->setRange(0.0, qreal(columnCount)); + } + + Q3DValueAxis *valueAxis = static_cast<Q3DValueAxis *>(m_axisY); + if (valueAxis && categoryAxisX && categoryAxisZ && valueAxis->isAutoAdjustRange() && proxy) { + QPair<GLfloat, GLfloat> limits = proxy->dptrc()->limitValues(categoryAxisX->min(), + categoryAxisX->max(), + categoryAxisZ->min(), + categoryAxisZ->max()); + if (limits.first < 0) { + // TODO: Currently we only support symmetric y-axis for bar graph if there are negative values + qreal maxAbs = qMax(qFabs(limits.first), qFabs(limits.second)); + // Call private implementation to avoid unsetting auto adjust flag + valueAxis->dptr()->setRange(-maxAbs, maxAbs); + } else if (limits.second == 0.0) { + valueAxis->dptr()->setRange(0.0, 1.0); // Only zero value values in data set, set range to something. + } else { + valueAxis->dptr()->setRange(0.0, limits.second); + } + } +} + +Q3DAbstractAxis *Bars3DController::createDefaultAxis(Q3DAbstractAxis::AxisOrientation orientation) +{ + Q3DAbstractAxis *defaultAxis = 0; + + if (orientation == Q3DAbstractAxis::AxisOrientationY) + defaultAxis = createDefaultValueAxis(); + else + defaultAxis = createDefaultCategoryAxis(); + + return defaultAxis; +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/bars3dcontroller_p.h b/src/datavisualization/engine/bars3dcontroller_p.h new file mode 100644 index 00000000..8398dd81 --- /dev/null +++ b/src/datavisualization/engine/bars3dcontroller_p.h @@ -0,0 +1,138 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef Q3DBARSCONTROLLER_p_H +#define Q3DBARSCONTROLLER_p_H + +#include "datavisualizationglobal_p.h" +#include "abstract3dcontroller_p.h" + +//#define DISPLAY_RENDER_SPEED + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Bars3DRenderer; +class QBarDataProxy; + +struct Bars3DChangeBitField { + bool slicingActiveChanged : 1; + bool barSpecsChanged : 1; + bool selectedBarPosChanged : 1; + + Bars3DChangeBitField() : + slicingActiveChanged(true), + barSpecsChanged(true), + selectedBarPosChanged(true) + { + } +}; + +class QT_DATAVISUALIZATION_EXPORT Bars3DController : public Abstract3DController +{ + Q_OBJECT + +private: + Bars3DChangeBitField m_changeTracker; + + // Interaction + QPoint m_selectedBarPos; // Points to row & column in data window. + + // Look'n'feel + bool m_isBarSpecRelative; + GLfloat m_barThicknessRatio; + QSizeF m_barSpacing; + + // Rendering + Bars3DRenderer *m_renderer; + +public: + explicit Bars3DController(QRect rect); + ~Bars3DController(); + + void initializeOpenGL(); + virtual void synchDataToRenderer(); + + // bar thickness, spacing between bars, and is spacing relative to thickness or absolute + // y -component sets the thickness/spacing of z -direction + // With relative 0.0f means side-to-side, 1.0f = one thickness in between + void setBarSpecs(GLfloat thicknessRatio = 1.0f, + const QSizeF &spacing = QSizeF(1.0, 1.0), + bool relative = true); + GLfloat barThickness(); + QSizeF barSpacing(); + bool isBarSpecRelative(); + + // bar type; bars (=cubes), pyramids, cones, cylinders, etc. + void setBarType(QDataVis::MeshStyle style, bool smooth = false); + + // Change selection mode; single bar, bar and row, bar and column, or all + void setSelectionMode(QDataVis::SelectionMode mode); + + void setSelectedBarPos(const QPoint &position); + QPoint selectedBarPos() const; + + virtual void setActiveDataProxy(QAbstractDataProxy *proxy); + + virtual void handleAxisAutoAdjustRangeChangedInOrientation(Q3DAbstractAxis::AxisOrientation orientation, bool autoAdjust); + + static QPoint noSelectionPoint(); + + virtual void setAxisX(Q3DAbstractAxis *axis); + virtual void setAxisZ(Q3DAbstractAxis *axis); + + virtual void handleAxisRangeChangedBySender(QObject *sender); + +public slots: + void handleArrayReset(); + void handleRowsAdded(int startIndex, int count); + void handleRowsChanged(int startIndex, int count); + void handleRowsRemoved(int startIndex, int count); + void handleRowsInserted(int startIndex, int count); + void handleItemChanged(int rowIndex, int columnIndex); + void handleDataRowLabelsChanged(); + void handleDataColumnLabelsChanged(); + + void handleSelectedBarPosChanged(const QPoint &position); + +signals: + void selectedBarPosChanged(QPoint position); + +protected: + virtual Q3DAbstractAxis *createDefaultAxis(Q3DAbstractAxis::AxisOrientation orientation); + +private: + void adjustAxisRanges(); + + Q_DISABLE_COPY(Bars3DController) + +}; + + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/engine/bars3drenderer.cpp b/src/datavisualization/engine/bars3drenderer.cpp new file mode 100644 index 00000000..74c1a99b --- /dev/null +++ b/src/datavisualization/engine/bars3drenderer.cpp @@ -0,0 +1,1880 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "bars3drenderer_p.h" +#include "bars3dcontroller_p.h" +#include "q3dcamera_p.h" +#include "shaderhelper_p.h" +#include "objecthelper_p.h" +#include "texturehelper_p.h" +#include "theme_p.h" +#include "utils_p.h" +#include "drawer_p.h" +#include "qbardataitem.h" +#include "q3dlight.h" + +#include <QMatrix4x4> +#include <QMouseEvent> +#include <QThread> +#include <qmath.h> +#include <QDebug> + +// You can verify that depth buffer drawing works correctly by uncommenting this. +// You should see the scene from where the light is +//#define SHOW_DEPTH_TEXTURE_SCENE + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +const GLfloat labelMargin = 0.05f; +const GLfloat gridLineWidth = 0.005f; +static QVector3D selectionSkipColor = QVector3D(255, 255, 255); // Selection texture's background color + +Bars3DRenderer::Bars3DRenderer(Bars3DController *controller) + : Abstract3DRenderer(controller), + m_controller(controller), + m_cachedIsSlicingActivated(false), + m_cachedRowCount(0), + m_cachedColumnCount(0), + m_selectedBar(0), + m_sliceSelection(0), + m_sliceCache(0), + m_sliceTitleItem(0), + m_xFlipped(false), + m_zFlipped(false), + m_yFlipped(false), + m_updateLabels(false), + m_barShader(0), + m_depthShader(0), + m_selectionShader(0), + m_backgroundShader(0), + m_labelShader(0), + m_barObj(0), + m_backgroundObj(0), + m_gridLineObj(0), + m_labelObj(0), + m_bgrTexture(0), + m_depthTexture(0), + m_selectionTexture(0), + m_depthFrameBuffer(0), + m_selectionFrameBuffer(0), + m_selectionDepthBuffer(0), + m_shadowQualityToShader(100.0f), + m_shadowQualityMultiplier(3), + m_heightNormalizer(1.0f), + m_yAdjustment(0.0f), + m_rowWidth(0), + m_columnDepth(0), + m_maxDimension(0), + m_scaleX(0), + m_scaleZ(0), + m_scaleFactor(0), + m_maxSceneSize(40.0), + m_selection(selectionSkipColor), + m_previousSelection(selectionSkipColor), + m_hasHeightAdjustmentChanged(true) +{ + initializeOpenGLFunctions(); + initializeOpenGL(); +} + +Bars3DRenderer::~Bars3DRenderer() +{ + m_textureHelper->glDeleteFramebuffers(1, &m_selectionFrameBuffer); + m_textureHelper->glDeleteRenderbuffers(1, &m_selectionDepthBuffer); + m_textureHelper->deleteTexture(&m_selectionTexture); + m_textureHelper->glDeleteFramebuffers(1, &m_depthFrameBuffer); + m_textureHelper->deleteTexture(&m_bgrTexture); + if (m_sliceSelection) { + m_sliceSelection->clear(); // Slice doesn't own its items + delete m_sliceSelection; + } + delete m_barShader; + delete m_depthShader; + delete m_selectionShader; + delete m_backgroundShader; + delete m_barObj; + delete m_backgroundObj; + delete m_gridLineObj; + delete m_labelObj; + delete m_labelShader; +} + +void Bars3DRenderer::initializeOpenGL() +{ + Abstract3DRenderer::initializeOpenGL(); + + // Initialize shaders + handleShadowQualityChange(); + + initLabelShaders(QStringLiteral(":/shaders/vertexLabel"), + QStringLiteral(":/shaders/fragmentLabel")); + +#if !defined(QT_OPENGL_ES_2) + // Init depth shader (for shadows). Init in any case, easier to handle shadow activation if done via api. + initDepthShader(); +#endif + + // Init selection shader + initSelectionShader(); + + // Load grid line mesh + loadGridLineMesh(); + + // Load label mesh + loadLabelMesh(); + + // Set view port + glViewport(m_sliceViewPort.x(), m_sliceViewPort.y(), + m_sliceViewPort.width(), m_sliceViewPort.height()); + + // Load background mesh (we need to be initialized first) + loadBackgroundMesh(); +} + +void Bars3DRenderer::updateDataModel(QBarDataProxy *dataProxy) +{ + int minRow = m_axisCacheX.min(); + int maxRow = m_axisCacheX.max(); + int minCol = m_axisCacheZ.min(); + int maxCol = m_axisCacheZ.max(); + int newRows = maxRow - minRow + 1; + int newColumns = maxCol - minCol + 1; + if (newRows != m_renderItemArray.size() || newColumns != m_renderItemArray.at(0).size()) { + // Destroy old render items and reallocate new array + m_renderItemArray.clear(); + m_renderItemArray.resize(newRows); + for (int i = 0; i < newRows; i++) + m_renderItemArray[i].resize(newColumns); + + // Force update for selection related items + m_sliceCache = 0; + m_sliceTitleItem = 0; + if (m_sliceSelection) + m_sliceSelection->clear(); + + m_cachedColumnCount = newColumns; + m_cachedRowCount = newRows; + // TODO: Invent foolproof max scene size formula + // This seems to work ok if spacing is not negative (and row/column or column/row ratio is not too high) + m_maxSceneSize = 2 * qSqrt(newColumns * newRows); + // Calculate here and at setting bar specs + calculateSceneScalingFactors(); + } + + // Update cached data window + int dataRowCount = dataProxy->rowCount(); + int dataRowIndex = minRow; + for (int i = 0; i < newRows; i++) { + int j = 0; + if (dataRowIndex < dataRowCount) { + const QBarDataRow *dataRow = dataProxy->rowAt(dataRowIndex); + int updateSize = qMin((dataRow->size() - minCol), m_renderItemArray[i].size()); + if (dataRow) { + int dataColIndex = minCol; + for (; j < updateSize ; j++) { + qreal value = dataRow->at(dataColIndex).value(); + m_renderItemArray[i][j].setValue(value); + m_renderItemArray[i][j].setHeight(GLfloat(value) / m_heightNormalizer); + dataColIndex++; + } + } + } + for (; j < m_renderItemArray[i].size(); j++) { + m_renderItemArray[i][j].setValue(0.0); + m_renderItemArray[i][j].setHeight(0.0f); + } + dataRowIndex++; + } + + Abstract3DRenderer::updateDataModel(dataProxy); +} + +void Bars3DRenderer::updateScene(Q3DScene *scene) +{ + // TODO: Move these to more suitable place e.g. controller should be controlling the viewports. + scene->setSecondarySubViewport(m_sliceViewPort); + scene->setPrimarySubViewport(m_mainViewPort); + + // TODO: See QTRD-2374 + if (m_hasNegativeValues) + scene->activeCamera()->setMinYRotation(-90.0); + else + scene->activeCamera()->setMinYRotation(0.0); + + if (m_hasHeightAdjustmentChanged) { + // Set initial camera position. Also update if height adjustment has changed. + scene->activeCamera()->setBaseOrientation(QVector3D(0.0f, 0.0f, cameraDistance + zComp), + QVector3D(0.0f, -m_yAdjustment, zComp), + QVector3D(0.0f, 1.0f, 0.0f)); + m_hasHeightAdjustmentChanged = false; + } + + scene->activeCamera()->d_ptr->updateViewMatrix(m_autoScaleAdjustment); + // Set light position (rotate light with camera, a bit above it (as set in defaultLightPos)) + scene->setLightPositionRelativeToCamera(defaultLightPos); + + Abstract3DRenderer::updateScene(scene); + + updateSlicingActive(scene->isSlicingActive()); +} + +void Bars3DRenderer::render(GLuint defaultFboHandle) +{ + bool slicingChanged = m_cachedIsSlicingActivated != m_cachedScene->isSlicingActive(); + + // Handle GL state setup for FBO buffers and clearing of the render surface + Abstract3DRenderer::render(defaultFboHandle); + + // If slice selection is on, draw the sliced scene + if (m_cachedIsSlicingActivated) + drawSlicedScene(m_axisCacheX.titleItem(), m_axisCacheY.titleItem(), m_axisCacheZ.titleItem()); + + // Draw bars scene + drawScene(defaultFboHandle); + + // If slicing has been activated by this render pass, we need another render + // Also trigger another render always when slicing changes in general to ensure + // final draw is correct. + if (m_cachedIsSlicingActivated != m_cachedScene->isSlicingActive() || slicingChanged) + emit needRender(); +} + +void Bars3DRenderer::drawSlicedScene(const LabelItem &xLabel, + const LabelItem &yLabel, + const LabelItem &zLabel) +{ + GLfloat barPosX = 0; + GLint startBar = 0; + GLint stopBar = m_sliceSelection->size(); + GLint stepBar = 1; + QVector3D lightPos; + GLfloat negativesComp = 1.0f; + + // Compensate bar scaling a bit to avoid drawing on axis titles when we have negative values + if (m_hasNegativeValues) + negativesComp = 0.67f; + + // Specify viewport + glViewport(m_sliceViewPort.x(), m_sliceViewPort.y(), + m_sliceViewPort.width(), m_sliceViewPort.height()); + + // Set up projection matrix + QMatrix4x4 projectionMatrix; + projectionMatrix.perspective(45.0f, (GLfloat)m_sliceViewPort.width() + / (GLfloat)m_sliceViewPort.height(), 0.1f, 100.0f); + + // Set view matrix + QMatrix4x4 viewMatrix; + + // Adjust scaling (zoom rate based on aspect ratio) + GLfloat camZPosSliced = 5.0f / m_autoScaleAdjustment + zComp; + + viewMatrix.lookAt(QVector3D(0.0f, 0.0f, camZPosSliced), + QVector3D(0.0f, 0.0f, zComp), + QVector3D(0.0f, 1.0f, 0.0f)); + + // Set light position + lightPos = QVector3D(0.0f, -m_yAdjustment, zComp); + + // Bind bar shader + m_barShader->bind(); + + // Draw bars + // Draw the selected row / column + for (int bar = startBar; bar != stopBar; bar += stepBar) { + BarRenderItem *item = m_sliceSelection->at(bar); + if (!item) + continue; + + if (item->height() < 0) + glCullFace(GL_FRONT); + else + glCullFace(GL_BACK); + + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 itModelMatrix; + + GLfloat barPosY = negativesComp * item->translation().y() - m_yAdjustment / 2.0f + 0.2f; // we need some room for labels underneath; add +0.2f + if (QDataVis::SelectionModeSliceRow == m_cachedSelectionMode) + barPosX = item->translation().x(); + else + barPosX = -(item->translation().z() - zComp); // flip z; frontmost bar to the left + modelMatrix.translate(barPosX, barPosY, zComp); + modelMatrix.scale(QVector3D(m_scaleX, negativesComp * item->height(), m_scaleZ)); + itModelMatrix.scale(QVector3D(m_scaleX, negativesComp * item->height(), m_scaleZ)); + + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; + +#if 0 + QVector3D baseColor; + if (m_selection.x() == item->position().x() && m_selection.y() == item->position().y()) + baseColor = Utils::vectorFromColor(m_cachedTheme.m_highlightBarColor); + else if (QDataVis::SelectionModeSliceRow == m_cachedSelectionMode) + baseColor = Utils::vectorFromColor(m_cachedTheme.m_highlightRowColor); + else + baseColor = Utils::vectorFromColor(m_cachedTheme.m_highlightColumnColor); + + QVector3D heightColor = Utils::vectorFromColor(m_cachedTheme.m_heightColor) * item->height(); + QVector3D barColor = baseColor + heightColor; +#else + QVector3D barColor; + if (m_selection.x() == item->position().x() && m_selection.y() == item->position().y()) + barColor = Utils::vectorFromColor(m_cachedTheme.m_highlightBarColor); + else if (QDataVis::SelectionModeSliceRow == m_cachedSelectionMode) + barColor = Utils::vectorFromColor(m_cachedTheme.m_highlightRowColor); + else + barColor = Utils::vectorFromColor(m_cachedTheme.m_highlightColumnColor); +#endif + + if (item->height() != 0) { + // Set shader bindings + m_barShader->setUniformValue(m_barShader->lightP(), lightPos); + m_barShader->setUniformValue(m_barShader->view(), viewMatrix); + m_barShader->setUniformValue(m_barShader->model(), modelMatrix); + m_barShader->setUniformValue(m_barShader->nModel(), + itModelMatrix.inverted().transposed()); + m_barShader->setUniformValue(m_barShader->MVP(), MVPMatrix); + m_barShader->setUniformValue(m_barShader->color(), barColor); + m_barShader->setUniformValue(m_barShader->lightS(), 0.5f); + m_barShader->setUniformValue(m_barShader->ambientS(), + m_cachedTheme.m_ambientStrength * 2.0f); + // Draw the object +#if defined (Q_OS_MAC) + // Mac slice issue hack fix. TODO: Fix correctly + m_drawer->drawObject(m_barShader, m_barObj, 0, -1); +#else + m_drawer->drawObject(m_barShader, m_barObj); +#endif + } + } + + // Release bar shader + m_barShader->release(); + + // Draw labels + m_labelShader->bind(); + glDisable(GL_DEPTH_TEST); + glEnable(GL_TEXTURE_2D); + glCullFace(GL_BACK); + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + // Draw labels for axes + BarRenderItem *dummyItem(0); + const LabelItem &sliceSelectionLabel = *m_sliceTitleItem; + if (QDataVis::SelectionModeSliceRow == m_cachedSelectionMode) { + if (m_sliceTitleItem) { + m_drawer->drawLabel(*dummyItem, sliceSelectionLabel, viewMatrix, projectionMatrix, + QVector3D(0.0f, m_autoScaleAdjustment, zComp), + QVector3D(0.0f, 0.0f, 0.0f), 0, + m_cachedSelectionMode, m_labelShader, + m_labelObj, m_cachedScene->activeCamera(), false, false, Drawer::LabelTop); + } + m_drawer->drawLabel(*dummyItem, zLabel, viewMatrix, projectionMatrix, + QVector3D(0.0f, m_autoScaleAdjustment, zComp), + QVector3D(0.0f, 0.0f, 0.0f), 0, + m_cachedSelectionMode, m_labelShader, + m_labelObj, m_cachedScene->activeCamera(), false, false, Drawer::LabelBottom); + } else { + m_drawer->drawLabel(*dummyItem, xLabel, viewMatrix, projectionMatrix, + QVector3D(0.0f, m_autoScaleAdjustment, zComp), + QVector3D(0.0f, 0.0f, 0.0f), 0, + m_cachedSelectionMode, m_labelShader, + m_labelObj, m_cachedScene->activeCamera(), false, false, Drawer::LabelBottom); + if (m_sliceTitleItem) { + m_drawer->drawLabel(*dummyItem, sliceSelectionLabel, viewMatrix, projectionMatrix, + QVector3D(0.0f, m_autoScaleAdjustment, zComp), + QVector3D(0.0f, 0.0f, 0.0f), 0, + m_cachedSelectionMode, m_labelShader, + m_labelObj, m_cachedScene->activeCamera(), false, false, Drawer::LabelTop); + } + } + m_drawer->drawLabel(*dummyItem, yLabel, viewMatrix, projectionMatrix, + QVector3D(0.0f, m_autoScaleAdjustment, zComp), + QVector3D(0.0f, 0.0f, 90.0f), 0, + m_cachedSelectionMode, m_labelShader, + m_labelObj, m_cachedScene->activeCamera(), false, false, Drawer::LabelLeft); + + // Draw labels for bars + for (int col = 0; col < m_sliceSelection->size(); col++) { + BarRenderItem *item = m_sliceSelection->at(col); + // Draw values + if (negativesComp == 1.0f) { + m_drawer->drawLabel(*item, item->sliceLabelItem(), viewMatrix, projectionMatrix, + QVector3D(0.0f, m_yAdjustment, zComp), + QVector3D(0.0f, 0.0f, 90.0f), + item->height(), + m_cachedSelectionMode, m_labelShader, + m_labelObj, m_cachedScene->activeCamera(), false, false, + Drawer::LabelOver, Qt::AlignTop); + } else { + m_drawer->drawLabel(*item, item->sliceLabelItem(), viewMatrix, projectionMatrix, + QVector3D(0.0f, m_yAdjustment, zComp), + QVector3D(0.0f, 0.0f, 0.0f), + negativesComp * negativesComp * item->height(), + m_cachedSelectionMode, m_labelShader, + m_labelObj, m_cachedScene->activeCamera()); + } + + // Draw labels + if (m_sliceCache->labelItems().size() > col) { + const LabelItem *labelItem(0); + labelItem = m_sliceCache->labelItems().at(col); + m_drawer->drawLabel(*item, *labelItem, viewMatrix, projectionMatrix, + QVector3D(0.0f, m_autoScaleAdjustment, zComp), + QVector3D(0.0f, 0.0f, -45.0f), item->height(), + m_cachedSelectionMode, m_labelShader, + m_labelObj, m_cachedScene->activeCamera(), false, false, + Drawer::LabelBelow); + } + } + + glDisable(GL_TEXTURE_2D); + glDisable(GL_BLEND); + glEnable(GL_DEPTH_TEST); + + // Release label shader + m_labelShader->release(); +} + +void Bars3DRenderer::drawScene(GLuint defaultFboHandle) +{ + GLint startBar = 0; + GLint stopBar = 0; + GLint stepBar = 0; + + GLint startRow = 0; + GLint stopRow = 0; + GLint stepRow = 0; + + GLfloat backgroundRotation = 0; + + GLfloat colPos = 0; + GLfloat rowPos = 0; + + // Specify viewport + glViewport(m_mainViewPort.x(), m_mainViewPort.y(), + m_mainViewPort.width(), m_mainViewPort.height()); + + // Set up projection matrix + QMatrix4x4 projectionMatrix; + projectionMatrix.perspective(45.0f, (GLfloat)m_mainViewPort.width() + / (GLfloat)m_mainViewPort.height(), 0.1f, 100.0f); + + // Get the view matrix + QMatrix4x4 viewMatrix = m_cachedScene->activeCamera()->viewMatrix(); + + // Calculate drawing order + // Draw order is reversed to optimize amount of drawing (ie. draw front objects first, depth test handles not needing to draw objects behind them) + if (viewMatrix.row(0).x() > 0) { + startRow = 0; + stopRow = m_cachedRowCount; + stepRow = 1; + m_zFlipped = false; + } else { + startRow = m_cachedRowCount - 1; + stopRow = -1; + stepRow = -1; + m_zFlipped = true; + } + if (viewMatrix.row(0).z() <= 0) { + startBar = 0; + stopBar = m_cachedColumnCount; + stepBar = 1; + m_xFlipped = false; + } else { + startBar = m_cachedColumnCount - 1; + stopBar = -1; + stepBar = -1; + m_xFlipped = true; + } + + // Check if we're viewing the scene from below + if (viewMatrix.row(2).y() < 0) + m_yFlipped = true; + else + m_yFlipped = false; + + // calculate background rotation based on view matrix rotation + if (viewMatrix.row(0).x() > 0 && viewMatrix.row(0).z() <= 0) + backgroundRotation = 270.0f; + else if (viewMatrix.row(0).x() > 0 && viewMatrix.row(0).z() > 0) + backgroundRotation = 180.0f; + else if (viewMatrix.row(0).x() <= 0 && viewMatrix.row(0).z() > 0) + backgroundRotation = 90.0f; + else if (viewMatrix.row(0).x() <= 0 && viewMatrix.row(0).z() <= 0) + backgroundRotation = 0.0f; + + // Get light position from the scene + QVector3D lightPos = m_cachedScene->activeLight()->position(); + + // Skip depth rendering if we're in slice mode + // Introduce regardless of shadow quality to simplify logic + QMatrix4x4 depthViewMatrix; + QMatrix4x4 depthProjectionMatrix; + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone && !m_cachedIsSlicingActivated) { + // Render scene into a depth texture for using with shadow mapping + // Enable drawing to depth framebuffer + glBindFramebuffer(GL_FRAMEBUFFER, m_depthFrameBuffer); + glClear(GL_DEPTH_BUFFER_BIT); + + // Bind depth shader + m_depthShader->bind(); + + // Set viewport for depth map rendering. Must match texture size. Larger values give smoother shadows. + glViewport(m_mainViewPort.x(), m_mainViewPort.y(), + m_mainViewPort.width() * m_shadowQualityMultiplier, + m_mainViewPort.height() * m_shadowQualityMultiplier); + + // Get the depth view matrix + // It may be possible to hack lightPos here if we want to make some tweaks to shadow + QVector3D depthLightPos = m_cachedScene->activeCamera()->calculatePositionRelativeToCamera( + QVector3D(0.0f, 0.0f, zComp), 0.0f, 1.5f / m_autoScaleAdjustment); + depthViewMatrix.lookAt(depthLightPos, QVector3D(0.0f, -m_yAdjustment, zComp), + QVector3D(0.0f, 1.0f, 0.0f)); + + // TODO: Why does depthViewMatrix.column(3).y() goes to zero when we're directly above? + // That causes the scene to be not drawn from above -> must be fixed + // qDebug() << lightPos << depthViewMatrix << depthViewMatrix.column(3); + + // Set the depth projection matrix + depthProjectionMatrix.perspective(10.0f, (GLfloat)m_mainViewPort.width() + / (GLfloat)m_mainViewPort.height(), 3.0f, 100.0f); + + // Draw bars to depth buffer + for (int row = startRow; row != stopRow; row += stepRow) { + for (int bar = startBar; bar != stopBar; bar += stepBar) { + const BarRenderItem &item = m_renderItemArray.at(row).at(bar); + if (!item.value()) + continue; + + GLfloat shadowOffset = 0.0f; + + // Set front face culling for negative valued bars and back face culling for + // positive valued bars to remove peter-panning issues + if (item.height() > 0) { + glCullFace(GL_BACK); + if (m_yFlipped) + shadowOffset = 0.015f; + } else { + glCullFace(GL_FRONT); + if (!m_yFlipped) + shadowOffset = -0.015f; + } + + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + + colPos = (bar + 0.5f) * (m_cachedBarSpacing.width()); + rowPos = (row + 0.5f) * (m_cachedBarSpacing.height()); + + // Draw shadows for bars "on the other side" a bit off ground to avoid seeing + // shadows through the ground + modelMatrix.translate((colPos - m_rowWidth) / m_scaleFactor, + item.height() - m_yAdjustment + shadowOffset, + (m_columnDepth - rowPos) / m_scaleFactor + zComp); + // Scale the bars down in X and Z to reduce self-shadowing issues + modelMatrix.scale(QVector3D(m_scaleX * 0.9f, item.height(), m_scaleZ * 0.9f)); + + MVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; + + m_depthShader->setUniformValue(m_depthShader->MVP(), MVPMatrix); + + // 1st attribute buffer : vertices + glEnableVertexAttribArray(m_depthShader->posAtt()); + glBindBuffer(GL_ARRAY_BUFFER, m_barObj->vertexBuf()); + glVertexAttribPointer(m_depthShader->posAtt(), 3, GL_FLOAT, GL_FALSE, 0, + (void *)0); + + // Index buffer + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_barObj->elementBuf()); + + // Draw the triangles + glDrawElements(GL_TRIANGLES, m_barObj->indexCount(), GL_UNSIGNED_SHORT, + (void *)0); + + // Free buffers + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); + glBindBuffer(GL_ARRAY_BUFFER, 0); + + glDisableVertexAttribArray(m_depthShader->posAtt()); + } + } + + // Disable drawing to depth framebuffer (= enable drawing to screen) + glBindFramebuffer(GL_FRAMEBUFFER, defaultFboHandle); + + // Release depth shader + m_depthShader->release(); + +#if 0 // Use this if you want to see what is being drawn to the framebuffer + // You'll also have to comment out GL_COMPARE_R_TO_TEXTURE -line in texturehelper (if using it) + m_labelShader->bind(); + glCullFace(GL_BACK); + glEnable(GL_TEXTURE_2D); + QMatrix4x4 modelMatrix; + QMatrix4x4 viewmatrix; + viewmatrix.lookAt(QVector3D(0.0f, 0.0f, 2.5f + zComp), + QVector3D(0.0f, 0.0f, zComp), + QVector3D(0.0f, 1.0f, 0.0f)); + modelMatrix.translate(0.0, 0.0, zComp); + QMatrix4x4 MVPMatrix = projectionMatrix * viewmatrix * modelMatrix; + m_labelShader->setUniformValue(m_labelShader->MVP(), MVPMatrix); + m_drawer->drawObject(m_labelShader, m_labelObj, + m_depthTexture); + glDisable(GL_TEXTURE_2D); + m_labelShader->release(); +#endif + // Reset culling to normal + glCullFace(GL_BACK); + + // Revert to original viewport + glViewport(m_mainViewPort.x(), m_mainViewPort.y(), + m_mainViewPort.width(), m_mainViewPort.height()); + } +#endif + + // Skip selection mode drawing if we're slicing or have no selection mode + if (!m_cachedIsSlicingActivated && m_cachedSelectionMode > QDataVis::SelectionModeNone) { + // Bind selection shader + m_selectionShader->bind(); + + // Draw bars to selection buffer + glBindFramebuffer(GL_FRAMEBUFFER, m_selectionFrameBuffer); + glEnable(GL_DEPTH_TEST); // Needed, otherwise the depth render buffer is not used + glClearColor(selectionSkipColor.x() / 255, selectionSkipColor.y() / 255, + selectionSkipColor.z() / 255, 1.0f); // Set clear color to white (= selectionSkipColor) + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Needed for clearing the frame buffer + glDisable(GL_DITHER); // disable dithering, it may affect colors if enabled + for (int row = startRow; row != stopRow; row += stepRow) { + for (int bar = startBar; bar != stopBar; bar += stepBar) { + const BarRenderItem &item = m_renderItemArray.at(row).at(bar); + if (!item.value()) + continue; + + if (item.height() < 0) + glCullFace(GL_FRONT); + else + glCullFace(GL_BACK); + + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + + colPos = (bar + 0.5f) * (m_cachedBarSpacing.width()); + rowPos = (row + 0.5f) * (m_cachedBarSpacing.height()); + + modelMatrix.translate((colPos - m_rowWidth) / m_scaleFactor, + item.height() - m_yAdjustment, + (m_columnDepth - rowPos) / m_scaleFactor + zComp); + modelMatrix.scale(QVector3D(m_scaleX, item.height(), m_scaleZ)); + + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; + + // TODO: Save position to qdataitem, so that we don't need to calculate it each time? + + //#if !defined(QT_OPENGL_ES_2) + // QVector3D barColor = QVector3D((GLdouble)row / 32767.0, + // (GLdouble)bar / 32767.0, + // 0.0); + //#else + QVector3D barColor = QVector3D((GLdouble)row / 255.0, + (GLdouble)bar / 255.0, + 0.0); + //#endif + + m_selectionShader->setUniformValue(m_selectionShader->MVP(), MVPMatrix); + m_selectionShader->setUniformValue(m_selectionShader->color(), barColor); + + // 1st attribute buffer : vertices + glEnableVertexAttribArray(m_selectionShader->posAtt()); + glBindBuffer(GL_ARRAY_BUFFER, m_barObj->vertexBuf()); + glVertexAttribPointer(m_selectionShader->posAtt(), 3, GL_FLOAT, GL_FALSE, 0, + (void *)0); + + // Index buffer + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_barObj->elementBuf()); + + // Draw the triangles + glDrawElements(GL_TRIANGLES, m_barObj->indexCount(), GL_UNSIGNED_SHORT, (void *)0); + + // Free buffers + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); + glBindBuffer(GL_ARRAY_BUFFER, 0); + + glDisableVertexAttribArray(m_selectionShader->posAtt()); + } + } + glEnable(GL_DITHER); + + // Read color under cursor + if (QDataVis::InputStateOnScene == m_controller->inputState()) { + m_selection = Utils::getSelection(m_controller->inputPosition(), + m_cachedBoundingRect.height()); + } + + glBindFramebuffer(GL_FRAMEBUFFER, defaultFboHandle); + + // Release selection shader + m_selectionShader->release(); + +#if 0 // Use this if you want to see what is being drawn to the framebuffer + glCullFace(GL_BACK); + m_labelShader->bind(); + glDisable(GL_DEPTH_TEST); + glEnable(GL_TEXTURE_2D); + QMatrix4x4 modelMatrix; + QMatrix4x4 viewmatrix; + viewmatrix.lookAt(QVector3D(0.0f, 0.0f, 2.0f + zComp), + QVector3D(0.0f, 0.0f, zComp), + QVector3D(0.0f, 1.0f, 0.0f)); + modelMatrix.translate(0.0, 0.0, zComp); + QMatrix4x4 MVPMatrix = projectionMatrix * viewmatrix * modelMatrix; + m_labelShader->setUniformValue(m_labelShader->MVP(), MVPMatrix); + m_drawer->drawObject(m_labelShader, m_labelObj, m_selectionTexture); + glDisable(GL_TEXTURE_2D); + m_labelShader->release(); +#endif + } + + // Enable texturing + glEnable(GL_TEXTURE_2D); + + // Bind bar shader + m_barShader->bind(); + + bool selectionDirty = (m_selection != m_previousSelection + || (m_selection != selectionSkipColor + && QDataVis::InputStateOnScene == m_controller->inputState() + && !m_cachedIsSlicingActivated)); + if (selectionDirty) { + m_previousSelection = m_selection; + if (m_sliceSelection) { + if (!m_cachedIsSlicingActivated) { + m_sliceCache = 0; + m_sliceTitleItem = 0; + } + if (m_sliceSelection->size()) { + // Slice doesn't own its items, no need to delete them - just clear + m_sliceSelection->clear(); + } + } + } + + // Draw bars + bool barSelectionFound = false; + BarRenderItem *selectedBar(0); + for (int row = startRow; row != stopRow; row += stepRow) { + for (int bar = startBar; bar != stopBar; bar += stepBar) { + BarRenderItem &item = m_renderItemArray[row][bar]; + + if (item.height() < 0) + glCullFace(GL_FRONT); + else + glCullFace(GL_BACK); + + QMatrix4x4 modelMatrix; + QMatrix4x4 itModelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + + colPos = (bar + 0.5f) * (m_cachedBarSpacing.width()); + rowPos = (row + 0.5f) * (m_cachedBarSpacing.height()); + + modelMatrix.translate((colPos - m_rowWidth) / m_scaleFactor, + item.height() - m_yAdjustment, + (m_columnDepth - rowPos) / m_scaleFactor + zComp); + modelMatrix.scale(QVector3D(m_scaleX, item.height(), m_scaleZ)); + itModelMatrix.scale(QVector3D(m_scaleX, item.height(), m_scaleZ)); +#ifdef SHOW_DEPTH_TEXTURE_SCENE + MVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; +#else + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; +#endif + depthMVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; + +#if 0 + QVector3D baseColor = Utils::vectorFromColor(m_cachedTheme.m_baseColor); + QVector3D heightColor = Utils::vectorFromColor(m_cachedTheme.m_heightColor) * item.height(); + QVector3D depthColor = Utils::vectorFromColor(m_cachedTheme.m_depthColor) + * (float(row) / GLfloat(m_cachedRowCount)); + + QVector3D barColor = baseColor + heightColor + depthColor; +#else + QVector3D barColor = Utils::vectorFromColor(m_cachedTheme.m_baseColor); +#endif + + GLfloat lightStrength = m_cachedTheme.m_lightStrength; + + if (m_cachedSelectionMode > QDataVis::SelectionModeNone) { + Bars3DController::SelectionType selectionType = isSelected(row, bar); + + switch (selectionType) { + case Bars3DController::SelectionItem: { + barColor = Utils::vectorFromColor(m_cachedTheme.m_highlightBarColor); + lightStrength = m_cachedTheme.m_highlightLightStrength; + // Insert position data into render item. We have no ownership, don't delete the previous one + if (!m_cachedIsSlicingActivated) { + selectedBar = &item; + selectedBar->setPosition(QPoint(row, bar)); + item.setTranslation(modelMatrix.column(3).toVector3D()); + barSelectionFound = true; + } + if (selectionDirty && m_cachedSelectionMode >= QDataVis::SelectionModeSliceRow) { + item.setTranslation(modelMatrix.column(3).toVector3D()); + item.setPosition(QPoint(row, bar)); + m_sliceSelection->append(&item); + barSelectionFound = true; + if (m_cachedSelectionMode == QDataVis::SelectionModeSliceRow) { + if (m_axisCacheX.labelItems().size() > row) + m_sliceTitleItem = m_axisCacheX.labelItems().at(row); + if (!m_sliceCache) { + // m_sliceCache is the axis for labels, while title comes from different axis. + m_sliceCache = &m_axisCacheZ; + } + } else if (m_cachedSelectionMode == QDataVis::SelectionModeSliceColumn) { + if (m_axisCacheZ.labelItems().size() > bar) + m_sliceTitleItem = m_axisCacheZ.labelItems().at(bar); + if (!m_sliceCache) { + // m_sliceCache is the axis for labels, while title comes from different axis. + m_sliceCache = &m_axisCacheX; + } + } + } + break; + } + case Bars3DController::SelectionRow: { + // Current bar is on the same row as the selected bar + barColor = Utils::vectorFromColor(m_cachedTheme.m_highlightRowColor); + lightStrength = m_cachedTheme.m_highlightLightStrength; + if (QDataVis::SelectionModeSliceRow == m_cachedSelectionMode) { + item.setTranslation(modelMatrix.column(3).toVector3D()); + item.setPosition(QPoint(row, bar)); + if (selectionDirty) + m_sliceSelection->append(&item); + } + break; + } + case Bars3DController::SelectionColumn: { + // Current bar is on the same column as the selected bar + barColor = Utils::vectorFromColor(m_cachedTheme.m_highlightColumnColor); + lightStrength = m_cachedTheme.m_highlightLightStrength; + if (QDataVis::SelectionModeSliceColumn == m_cachedSelectionMode) { + item.setTranslation(modelMatrix.column(3).toVector3D()); + item.setPosition(QPoint(row, bar)); + if (selectionDirty) + m_sliceSelection->append(&item); + } + break; + } + case Bars3DController::SelectionNone: { + // Current bar is not selected, nor on a row or column + // do nothing + break; + } + } + } + + // Skip drawing of 0 -height bars + if (item.height() != 0) { + // Set shader bindings + m_barShader->setUniformValue(m_barShader->lightP(), lightPos); + m_barShader->setUniformValue(m_barShader->view(), viewMatrix); + m_barShader->setUniformValue(m_barShader->model(), modelMatrix); + m_barShader->setUniformValue(m_barShader->nModel(), + itModelMatrix.transposed().inverted()); + m_barShader->setUniformValue(m_barShader->MVP(), MVPMatrix); + m_barShader->setUniformValue(m_barShader->color(), barColor); + m_barShader->setUniformValue(m_barShader->ambientS(), m_cachedTheme.m_ambientStrength); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone + && !m_cachedIsSlicingActivated) { + // Set shadow shader bindings + m_barShader->setUniformValue(m_barShader->shadowQ(), m_shadowQualityToShader); + m_barShader->setUniformValue(m_barShader->depth(), depthMVPMatrix); + m_barShader->setUniformValue(m_barShader->lightS(), lightStrength / 10.0f); + + // Draw the object + m_drawer->drawObject(m_barShader, m_barObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + m_barShader->setUniformValue(m_barShader->lightS(), lightStrength); + + // Draw the object +#if defined (Q_OS_MAC) + // Mac slice issue hack fix. TODO: Fix correctly + m_drawer->drawObject(m_barShader, m_barObj, 0, -1); +#else + m_drawer->drawObject(m_barShader, m_barObj); +#endif + } + } + } + } + + if (selectionDirty) + emit selectedBarPosChanged(QPoint(int(m_selection.x()), int(m_selection.y()))); + + // Release bar shader + m_barShader->release(); + + // Bind background shader + m_backgroundShader->bind(); + + if (m_hasNegativeValues) + glDisable(GL_CULL_FACE); + else + glCullFace(GL_BACK); + + // Draw background + if (m_cachedIsBackgroundEnabled && m_backgroundObj) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + modelMatrix.translate(0.0f, 1.0f - m_yAdjustment, zComp); + modelMatrix.scale(QVector3D(m_rowWidth / m_scaleFactor, + 1.0f, + m_columnDepth / m_scaleFactor)); + modelMatrix.rotate(backgroundRotation, 0.0f, 1.0f, 0.0f); + itModelMatrix.scale(QVector3D(m_rowWidth / m_scaleFactor, + 1.0f, + m_columnDepth / m_scaleFactor)); + +#ifdef SHOW_DEPTH_TEXTURE_SCENE + MVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; +#else + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; +#endif + depthMVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; + + QVector3D backgroundColor = Utils::vectorFromColor(m_cachedTheme.m_backgroundColor); + + // Set shader bindings + m_backgroundShader->setUniformValue(m_backgroundShader->lightP(), lightPos); + m_backgroundShader->setUniformValue(m_backgroundShader->view(), viewMatrix); + m_backgroundShader->setUniformValue(m_backgroundShader->model(), modelMatrix); + m_backgroundShader->setUniformValue(m_backgroundShader->nModel(), + itModelMatrix.inverted().transposed()); + m_backgroundShader->setUniformValue(m_backgroundShader->MVP(), MVPMatrix); + m_backgroundShader->setUniformValue(m_backgroundShader->color(), backgroundColor); + m_backgroundShader->setUniformValue(m_backgroundShader->ambientS(), + m_cachedTheme.m_ambientStrength * 2.0f); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + m_backgroundShader->setUniformValue(m_backgroundShader->shadowQ(), + m_shadowQualityToShader); + m_backgroundShader->setUniformValue(m_backgroundShader->depth(), depthMVPMatrix); + m_backgroundShader->setUniformValue(m_backgroundShader->lightS(), + m_cachedTheme.m_lightStrength / 10.0f); + + // Draw the object + m_drawer->drawObject(m_backgroundShader, m_backgroundObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + m_backgroundShader->setUniformValue(m_backgroundShader->lightS(), + m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(m_backgroundShader, m_backgroundObj); + } + } + + // Release background shader + m_backgroundShader->release(); + + // Disable textures + glDisable(GL_TEXTURE_2D); + + // Reset culling + if (m_hasNegativeValues) { + glEnable(GL_CULL_FACE); + glCullFace(GL_BACK); + } + + // Draw grid lines + if (m_cachedIsGridEnabled && m_heightNormalizer) { + ShaderHelper *lineShader = m_backgroundShader; + // Bind bar shader + lineShader->bind(); + + // Set unchanging shader bindings + QVector3D barColor = Utils::vectorFromColor(m_cachedTheme.m_gridLine); + lineShader->setUniformValue(lineShader->lightP(), lightPos); + lineShader->setUniformValue(lineShader->view(), viewMatrix); + lineShader->setUniformValue(lineShader->color(), barColor); + lineShader->setUniformValue(lineShader->ambientS(), m_cachedTheme.m_ambientStrength); + + // Floor lines: rows + for (GLfloat row = 0.0f; row <= m_cachedRowCount; row++) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + rowPos = row * m_cachedBarSpacing.height(); + modelMatrix.translate(0.0f, -m_yAdjustment, + (m_columnDepth - rowPos) / m_scaleFactor + zComp); + modelMatrix.scale(QVector3D(m_rowWidth / m_scaleFactor, gridLineWidth, + gridLineWidth)); + itModelMatrix.scale(QVector3D(m_rowWidth / m_scaleFactor, gridLineWidth, + gridLineWidth)); + // If we're viewing from below, grid line object must be flipped + if (m_yFlipped) + modelMatrix.rotate(180.0f, 1.0, 0.0, 0.0); + + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; + depthMVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + lineShader->setUniformValue(lineShader->shadowQ(), m_shadowQualityToShader); + lineShader->setUniformValue(lineShader->depth(), depthMVPMatrix); + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength / 10.0f); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + lineShader->setUniformValue(lineShader->lightS(), m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + } + } + + // Floor lines: columns + for (GLfloat bar = 0.0f; bar <= m_cachedColumnCount; bar++) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + colPos = bar * m_cachedBarSpacing.width(); + modelMatrix.translate((m_rowWidth - colPos) / m_scaleFactor, + -m_yAdjustment, zComp); + modelMatrix.scale(QVector3D(gridLineWidth, gridLineWidth, + m_columnDepth / m_scaleFactor)); + itModelMatrix.scale(QVector3D(gridLineWidth, gridLineWidth, + m_columnDepth / m_scaleFactor)); + + // If we're viewing from below, grid line object must be flipped + if (m_yFlipped) + modelMatrix.rotate(180.0f, 1.0, 0.0, 0.0); + + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; + depthMVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + lineShader->setUniformValue(lineShader->shadowQ(), m_shadowQualityToShader); + lineShader->setUniformValue(lineShader->depth(), depthMVPMatrix); + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength / 10.0f); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + lineShader->setUniformValue(lineShader->lightS(), m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + } + } + + if (m_axisCacheY.segmentCount() > 0) { + // Wall lines: back wall + GLfloat heightStep = m_axisCacheY.subSegmentStep(); + GLfloat startLine = 0.0f; + + if (m_hasNegativeValues) + startLine = -m_heightNormalizer; + + for (GLfloat lineHeight = startLine; lineHeight <= m_heightNormalizer; + lineHeight += heightStep) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + if (m_zFlipped) { + modelMatrix.translate(0.0f, + 2.0f * lineHeight / m_heightNormalizer - m_yAdjustment, + m_columnDepth / m_scaleFactor + zComp); + } else { + modelMatrix.translate(0.0f, + 2.0f * lineHeight / m_heightNormalizer - m_yAdjustment, + -m_columnDepth / m_scaleFactor + zComp); + } + modelMatrix.scale(QVector3D(m_rowWidth / m_scaleFactor, gridLineWidth, + gridLineWidth)); + itModelMatrix.scale(QVector3D(m_rowWidth / m_scaleFactor, gridLineWidth, + gridLineWidth)); + + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; + depthMVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + lineShader->setUniformValue(lineShader->shadowQ(), m_shadowQualityToShader); + lineShader->setUniformValue(lineShader->depth(), depthMVPMatrix); + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength / 10.0f); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + lineShader->setUniformValue(lineShader->lightS(), m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + } + } + + // Wall lines: side wall + for (GLfloat lineHeight = startLine; lineHeight <= m_heightNormalizer; + lineHeight += heightStep) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + if (m_xFlipped) { + modelMatrix.translate(m_rowWidth / m_scaleFactor, + 2.0f * lineHeight / m_heightNormalizer - m_yAdjustment, + zComp); + } else { + modelMatrix.translate(-m_rowWidth / m_scaleFactor, + 2.0f * lineHeight / m_heightNormalizer - m_yAdjustment, + zComp); + } + modelMatrix.scale(QVector3D(gridLineWidth, gridLineWidth, + m_columnDepth / m_scaleFactor)); + itModelMatrix.scale(QVector3D(gridLineWidth, gridLineWidth, + m_columnDepth / m_scaleFactor)); + + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; + depthMVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + lineShader->setUniformValue(lineShader->shadowQ(), m_shadowQualityToShader); + lineShader->setUniformValue(lineShader->depth(), depthMVPMatrix); + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength / 10.0f); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + lineShader->setUniformValue(lineShader->lightS(), m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + } + } + } + // Release bar shader + lineShader->release(); + } + + // TODO: Calculations done temporarily here. When optimizing, move to after data set addition? Keep drawing of the labels here. + // Bind label shader + m_labelShader->bind(); + + glEnable(GL_TEXTURE_2D); + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + // Calculate the positions for row and column labels and store them + for (int row = 0; row != m_cachedRowCount; row++) { + if (m_axisCacheX.labelItems().size() > row) { + // Go through all rows and get position of max+1 or min-1 column, depending on x flip + // We need only positions for them, labels have already been generated at QDataSetPrivate. Just add LabelItems + rowPos = (row + 0.5f) * m_cachedBarSpacing.height(); + colPos = (m_rowWidth / m_scaleFactor) + labelMargin; + GLfloat rotLabelX = -90.0f; + GLfloat rotLabelY = 0.0f; + GLfloat rotLabelZ = 0.0f; + Qt::AlignmentFlag alignment = Qt::AlignRight; + if (m_zFlipped) + rotLabelY = 180.0f; + if (m_xFlipped) { + colPos = -(m_rowWidth / m_scaleFactor) - labelMargin; + alignment = Qt::AlignLeft; + } + if (m_yFlipped) { + if (m_zFlipped) + rotLabelY = 0.0f; + else + rotLabelY = 180.0f; + rotLabelZ = 180.0f; + } + QVector3D labelPos = QVector3D(colPos, + -m_yAdjustment + 0.005f, // raise a bit over background to avoid depth "glimmering" + (m_columnDepth - rowPos) / m_scaleFactor + zComp); + + m_dummyBarRenderItem.setTranslation(labelPos); + const LabelItem &axisLabelItem = *m_axisCacheX.labelItems().at(row); + //qDebug() << "labelPos, row" << row + 1 << ":" << labelPos << m_axisCacheX.labels().at(row); + + m_drawer->drawLabel(m_dummyBarRenderItem, axisLabelItem, viewMatrix, projectionMatrix, + QVector3D(0.0f, m_yAdjustment, zComp), + QVector3D(rotLabelX, rotLabelY, rotLabelZ), + 0, m_cachedSelectionMode, + m_labelShader, m_labelObj, m_cachedScene->activeCamera(), true, true, Drawer::LabelMid, + alignment); + } + } + for (int column = 0; column != m_cachedColumnCount; column += 1) { + if (m_axisCacheZ.labelItems().size() > column) { + // Go through all columns and get position of max+1 or min-1 row, depending on z flip + // We need only positions for them, labels have already been generated at QDataSetPrivate. Just add LabelItems + colPos = (column + 0.5f) * m_cachedBarSpacing.width(); + rowPos = (m_columnDepth / m_scaleFactor) + labelMargin; + GLfloat rotLabelX = -90.0f; + GLfloat rotLabelY = 90.0f; + GLfloat rotLabelZ = 0.0f; + Qt::AlignmentFlag alignment = Qt::AlignLeft; + if (m_xFlipped) + rotLabelY = -90.0f; + if (m_zFlipped) { + rowPos = -(m_columnDepth / m_scaleFactor) - labelMargin; + alignment = Qt::AlignRight; + } + if (m_yFlipped) { + if (m_xFlipped) + rotLabelY = -90.0f; + else + rotLabelY = 90.0f; + rotLabelZ = 180.0f; + } + QVector3D labelPos = QVector3D((colPos - m_rowWidth) / m_scaleFactor, + -m_yAdjustment + 0.005f, // raise a bit over background to avoid depth "glimmering" + rowPos + zComp); + + m_dummyBarRenderItem.setTranslation(labelPos); + const LabelItem &axisLabelItem = *m_axisCacheZ.labelItems().at(column); + + m_drawer->drawLabel(m_dummyBarRenderItem, axisLabelItem, viewMatrix, projectionMatrix, + QVector3D(0.0f, m_yAdjustment, zComp), + QVector3D(rotLabelX, rotLabelY, rotLabelZ), + 0, m_cachedSelectionMode, + m_labelShader, m_labelObj, m_cachedScene->activeCamera(), true, true, Drawer::LabelMid, + alignment); + } + } + + // Y Labels + int labelNbr = 0; + GLfloat heightStep = m_axisCacheY.segmentStep(); + GLfloat startLine = 0.0f; + int labelCount = m_axisCacheY.labels().size(); + if (m_hasNegativeValues) + startLine = -m_heightNormalizer; + GLfloat labelPos = startLine; + + for (int i = 0; i < labelCount; i++) { + if (m_axisCacheY.labelItems().size() > labelNbr) { + GLfloat labelMarginXTrans = labelMargin; + GLfloat labelMarginZTrans = labelMargin; + GLfloat labelXTrans = m_rowWidth / m_scaleFactor; + GLfloat labelZTrans = m_columnDepth / m_scaleFactor; + GLfloat labelYTrans = 2.0f * labelPos / m_heightNormalizer - m_yAdjustment; + GLfloat rotLabelX = 0.0f; + GLfloat rotLabelY = -90.0f; + GLfloat rotLabelZ = 0.0f; + Qt::AlignmentFlag alignment = Qt::AlignLeft; + if (!m_xFlipped) { + labelXTrans = -labelXTrans; + labelMarginXTrans = -labelMargin; + rotLabelY = 90.0f; + } + if (m_zFlipped) { + labelZTrans = -labelZTrans; + labelMarginZTrans = -labelMargin; + alignment = Qt::AlignRight; + } + + const LabelItem &axisLabelItem = *m_axisCacheY.labelItems().at(labelNbr); + + // Back wall + QVector3D labelTrans = QVector3D(labelXTrans, labelYTrans, + labelZTrans + labelMarginZTrans + zComp); + + //qDebug() << "labelPos, value:" << labelTrans; + + m_dummyBarRenderItem.setTranslation(labelTrans); + m_drawer->drawLabel(m_dummyBarRenderItem, axisLabelItem, viewMatrix, projectionMatrix, + QVector3D(0.0f, m_yAdjustment, zComp), + QVector3D(rotLabelX, rotLabelY, rotLabelZ), + 0, m_cachedSelectionMode, + m_labelShader, m_labelObj, m_cachedScene->activeCamera(), true, true, Drawer::LabelMid, + alignment); + + // Side wall + if (m_xFlipped) + alignment = Qt::AlignLeft; + else + alignment = Qt::AlignRight; + if (m_zFlipped) + rotLabelY = 180.0f; + else + rotLabelY = 0.0f; + + labelTrans = QVector3D(-labelXTrans - labelMarginXTrans, labelYTrans, + -labelZTrans + zComp); + + m_dummyBarRenderItem.setTranslation(labelTrans); + m_drawer->drawLabel(m_dummyBarRenderItem, axisLabelItem, viewMatrix, projectionMatrix, + QVector3D(0.0f, m_yAdjustment, zComp), + QVector3D(rotLabelX, rotLabelY, rotLabelZ), + 0, m_cachedSelectionMode, + m_labelShader, m_labelObj, m_cachedScene->activeCamera(), true, true, Drawer::LabelMid, + alignment); + } + labelNbr++; + labelPos += heightStep; + } + + // Handle slice activation and selection label drawing + if (!barSelectionFound) { + // We have no ownership, don't delete. Just NULL the pointer. + m_selectedBar = NULL; + if (m_cachedIsSlicingActivated + && (m_selection == selectionSkipColor + || QDataVis::InputStateOnOverview == m_controller->inputState())) { + m_cachedScene->setSlicingActive(false); + } + } else if (m_cachedSelectionMode >= QDataVis::SelectionModeSliceRow && selectionDirty) { + // Activate slice mode + m_cachedScene->setSlicingActive(true); + + // Create label textures + for (int col = 0; col < m_sliceSelection->size(); col++) { + BarRenderItem *item = m_sliceSelection->at(col); + if (item->sliceLabel().isNull()) + item->setSliceLabel(generateValueLabel(m_axisCacheY.labelFormat(), item->value())); + m_drawer->generateLabelItem(item->sliceLabelItem(), item->sliceLabel()); + } + } else { + // Print value of selected bar + glDisable(GL_DEPTH_TEST); + // Draw the selection label + LabelItem &labelItem = selectedBar->selectionLabelItem(); + if (m_selectedBar != selectedBar || m_updateLabels || !labelItem.textureId()) { + QString labelText = selectedBar->selectionLabel(); + if (labelText.isNull()) { + static const QString rowIndexTag(QStringLiteral("@rowIdx")); + static const QString rowLabelTag(QStringLiteral("@rowLabel")); + static const QString rowTitleTag(QStringLiteral("@rowTitle")); + static const QString colIndexTag(QStringLiteral("@colIdx")); + static const QString colLabelTag(QStringLiteral("@colLabel")); + static const QString colTitleTag(QStringLiteral("@colTitle")); + static const QString valueTitleTag(QStringLiteral("@valueTitle")); + static const QString valueLabelTag(QStringLiteral("@valueLabel")); + + // Custom format expects printf format specifier. There is no tag for it. + labelText = generateValueLabel(itemLabelFormat(), selectedBar->value()); + + int selBarPosX = selectedBar->position().x(); + int selBarPosY = selectedBar->position().y(); + labelText.replace(rowIndexTag, QString::number(selBarPosX)); + if (m_axisCacheX.labels().size() > selBarPosX) + labelText.replace(rowLabelTag, m_axisCacheX.labels().at(selBarPosX)); + else + labelText.replace(rowLabelTag, QString()); + labelText.replace(rowTitleTag, m_axisCacheX.title()); + labelText.replace(colIndexTag, QString::number(selBarPosY)); + if (m_axisCacheZ.labels().size() > selBarPosY) + labelText.replace(colLabelTag, m_axisCacheZ.labels().at(selBarPosY)); + else + labelText.replace(colLabelTag, QString()); + labelText.replace(colTitleTag, m_axisCacheZ.title()); + labelText.replace(valueTitleTag, m_axisCacheY.title()); + + if (labelText.contains(valueLabelTag)) { + QString labelFormat = m_axisCacheY.labelFormat(); + if (labelFormat.isEmpty()) + labelFormat = Utils::defaultLabelFormat(); + QString valueLabelText = generateValueLabel(labelFormat, selectedBar->value()); + labelText.replace(valueLabelTag, valueLabelText); + } + + selectedBar->setSelectionLabel(labelText); + } + m_drawer->generateLabelItem(labelItem, labelText); + m_selectedBar = selectedBar; + } + + m_drawer->drawLabel(*selectedBar, labelItem, viewMatrix, projectionMatrix, + QVector3D(0.0f, m_yAdjustment, zComp), + QVector3D(0.0f, 0.0f, 0.0f), selectedBar->height(), + m_cachedSelectionMode, m_labelShader, + m_labelObj, m_cachedScene->activeCamera(), true, false); + + // Reset label update flag; they should have been updated when we get here + m_updateLabels = false; + + glEnable(GL_DEPTH_TEST); + } + + glDisable(GL_TEXTURE_2D); + glDisable(GL_BLEND); + + // Release label shader + m_labelShader->release(); +} + +void Bars3DRenderer::handleResize() +{ + if (m_cachedBoundingRect.width() == 0 || m_cachedBoundingRect.height() == 0) + return; + + // Set view port + if (m_cachedIsSlicingActivated) { + m_mainViewPort = QRect(0, + m_cachedBoundingRect.height() - m_cachedBoundingRect.height() / 5, + m_cachedBoundingRect.width() / 5, + m_cachedBoundingRect.height() / 5); + m_sliceViewPort = QRect(0, 0, m_cachedBoundingRect.width(), m_cachedBoundingRect.height()); + } else { + m_mainViewPort = QRect(0, 0, m_cachedBoundingRect.width(), m_cachedBoundingRect.height()); + m_sliceViewPort = QRect(0, 0, 0, 0); + } + + Abstract3DRenderer::handleResize(); +} + +void Bars3DRenderer::updateBarSpecs(GLfloat thicknessRatio, const QSizeF &spacing, bool relative) +{ + // Convert ratio to QSizeF, as we need it in that format for autoscaling calculations + m_cachedBarThickness.setWidth(1.0f); + m_cachedBarThickness.setHeight(1.0f / thicknessRatio); + + if (relative) { + m_cachedBarSpacing.setWidth((m_cachedBarThickness.width() * 2) * (spacing.width() + 1.0f)); + m_cachedBarSpacing.setHeight((m_cachedBarThickness.height() * 2) * (spacing.height() + 1.0f)); + } else { + m_cachedBarSpacing = m_cachedBarThickness * 2 + spacing * 2; + } + + // Calculate here and at setting sample space + calculateSceneScalingFactors(); +} + +void Bars3DRenderer::updateAxisRange(Q3DAbstractAxis::AxisOrientation orientation, qreal min, qreal max) +{ + Abstract3DRenderer::updateAxisRange(orientation, min, max); + + if (orientation == Q3DAbstractAxis::AxisOrientationY) { + calculateHeightAdjustment(); + // Check if we have negative values + if (min < 0 && !m_hasNegativeValues) { + m_hasNegativeValues = true; + // Reload background + loadBackgroundMesh(); + emit needRender(); + } else if (min >= 0 && m_hasNegativeValues) { + m_hasNegativeValues = false; + // Reload background + loadBackgroundMesh(); + emit needRender(); + } + + // TODO Currently bargraph only supports zero centered or zero minimum ranges + if (min > 0.0 || (min != 0.0 && (qFabs(min) != qFabs(max)))) { + qWarning() << __FUNCTION__ << "Bar graph currently properly supports only " + "zero-centered and zero minimum ranges for Y-axis."; + } + } +} + +void Bars3DRenderer::updateSelectionMode(QDataVis::SelectionMode mode) +{ + Abstract3DRenderer::updateSelectionMode(mode); + + // Create zoom selection if there isn't one + if (mode >= QDataVis::SelectionModeSliceRow && !m_sliceSelection) { + m_sliceSelection = new QList<BarRenderItem *>; + if (mode == QDataVis::SelectionModeSliceRow) + m_sliceSelection->reserve(m_cachedRowCount); + else + m_sliceSelection->reserve(m_cachedColumnCount); + } +} + +void Bars3DRenderer::updateBackgroundEnabled(bool enable) +{ + if (enable != m_cachedIsBackgroundEnabled) { + Abstract3DRenderer::updateBackgroundEnabled(enable); + loadMeshFile(); // Load changed bar type + } +} + +void Bars3DRenderer::updateSelectedBarPos(const QPoint &position) +{ + if (position == Bars3DController::noSelectionPoint()) + m_selection = selectionSkipColor; + else + m_selection = QVector3D(position.x(), position.y(), 0); + emit needRender(); +} + +void Bars3DRenderer::updateShadowQuality(QDataVis::ShadowQuality quality) +{ + m_cachedShadowQuality = quality; + switch (quality) { + case QDataVis::ShadowQualityLow: + m_shadowQualityToShader = 33.3f; + m_shadowQualityMultiplier = 1; + break; + case QDataVis::ShadowQualityMedium: + m_shadowQualityToShader = 100.0f; + m_shadowQualityMultiplier = 3; + break; + case QDataVis::ShadowQualityHigh: + m_shadowQualityToShader = 200.0f; + m_shadowQualityMultiplier = 5; + break; + case QDataVis::ShadowQualitySoftLow: + m_shadowQualityToShader = 7.5f; + m_shadowQualityMultiplier = 1; + break; + case QDataVis::ShadowQualitySoftMedium: + m_shadowQualityToShader = 10.0f; + m_shadowQualityMultiplier = 3; + break; + case QDataVis::ShadowQualitySoftHigh: + m_shadowQualityToShader = 15.0f; + m_shadowQualityMultiplier = 4; + break; + default: + m_shadowQualityToShader = 0.0f; + m_shadowQualityMultiplier = 1; + break; + } + + handleShadowQualityChange(); + +#if !defined(QT_OPENGL_ES_2) + // Re-init depth buffer + updateDepthBuffer(); +#endif +} + +void Bars3DRenderer::loadMeshFile() +{ + QString objectFileName = m_cachedObjFile; + if (m_barObj) + delete m_barObj; + // If background is disabled, load full version of bar mesh + if (!m_cachedIsBackgroundEnabled) + objectFileName.append(QStringLiteral("Full")); + m_barObj = new ObjectHelper(objectFileName); + m_barObj->load(); +} + +void Bars3DRenderer::loadBackgroundMesh() +{ + if (m_backgroundObj) + delete m_backgroundObj; + if (m_hasNegativeValues) + m_backgroundObj = new ObjectHelper(QStringLiteral(":/defaultMeshes/negativeBackground")); + else + m_backgroundObj = new ObjectHelper(QStringLiteral(":/defaultMeshes/background")); + m_backgroundObj->load(); +} + +void Bars3DRenderer::loadGridLineMesh() +{ + if (m_gridLineObj) + delete m_gridLineObj; + m_gridLineObj = new ObjectHelper(QStringLiteral(":/defaultMeshes/bar")); + m_gridLineObj->load(); +} + +void Bars3DRenderer::loadLabelMesh() +{ + if (m_labelObj) + delete m_labelObj; + m_labelObj = new ObjectHelper(QStringLiteral(":/defaultMeshes/label")); + m_labelObj->load(); +} + +void Bars3DRenderer::updateTextures() +{ + // Drawer has changed; this flag needs to be checked when checking if we need to update labels + m_updateLabels = true; +} + +void Bars3DRenderer::calculateSceneScalingFactors() +{ + // Calculate scene scaling and translation factors + m_rowWidth = (m_cachedColumnCount * m_cachedBarSpacing.width()) / 2.0f; + m_columnDepth = (m_cachedRowCount * m_cachedBarSpacing.height()) / 2.0f; + m_maxDimension = qMax(m_rowWidth, m_columnDepth); + m_scaleFactor = qMin((m_cachedColumnCount * (m_maxDimension / m_maxSceneSize)), + (m_cachedRowCount * (m_maxDimension / m_maxSceneSize))); + m_scaleX = m_cachedBarThickness.width() / m_scaleFactor; + m_scaleZ = m_cachedBarThickness.height() / m_scaleFactor; + //qDebug() << "m_scaleX" << m_scaleX << "m_scaleFactor" << m_scaleFactor; + //qDebug() << "m_scaleZ" << m_scaleZ << "m_scaleFactor" << m_scaleFactor; + //qDebug() << "m_rowWidth:" << m_rowWidth << "m_columnDepth:" << m_columnDepth << "m_maxDimension:" << m_maxDimension; +} + +void Bars3DRenderer::calculateHeightAdjustment() +{ + m_heightNormalizer = (GLfloat)qMax(qFabs(m_axisCacheY.min()), qFabs(m_axisCacheY.max())); + + // 2.0f = max difference between minimum and maximum value after scaling with m_heightNormalizer + GLfloat newAdjustment = 2.0f - ((m_heightNormalizer - m_axisCacheY.min()) / m_heightNormalizer); + if (newAdjustment != m_yAdjustment) { + m_hasHeightAdjustmentChanged = true; + m_yAdjustment = newAdjustment; + } + //qDebug() << m_yAdjustment; +} + +Bars3DController::SelectionType Bars3DRenderer::isSelected(GLint row, GLint bar) +{ + //static QVector3D prevSel = m_selection; // TODO: For debugging + Bars3DController::SelectionType isSelectedType = Bars3DController::SelectionNone; + if (m_selection == selectionSkipColor) + return isSelectedType; // skip window + + //#if !defined(QT_OPENGL_ES_2) + // QVector3D current = QVector3D((GLuint)row, (GLuint)bar, 0); + //#else + QVector3D current = QVector3D((GLubyte)row, (GLubyte)bar, 0); + //#endif + + // TODO: For debugging + //if (selection != prevSel) { + // qDebug() << "current" << current.x() << current .y() << current.z(); + // qDebug() << "selection" << selection.x() << selection .y() << selection.z(); + // prevSel = selection; + //} + if (current == m_selection) { + isSelectedType = Bars3DController::SelectionItem; + } + else if (current.y() == m_selection.y() && (m_cachedSelectionMode == QDataVis::SelectionModeItemAndColumn + || m_cachedSelectionMode == QDataVis::SelectionModeItemRowAndColumn + || m_cachedSelectionMode == QDataVis::SelectionModeSliceColumn)) { + isSelectedType = Bars3DController::SelectionColumn; + } + else if (current.x() == m_selection.x() && (m_cachedSelectionMode == QDataVis::SelectionModeItemAndRow + || m_cachedSelectionMode == QDataVis::SelectionModeItemRowAndColumn + || m_cachedSelectionMode == QDataVis::SelectionModeSliceRow)) { + isSelectedType = Bars3DController::SelectionRow; + } + return isSelectedType; +} + +void Bars3DRenderer::updateSlicingActive(bool isSlicing) +{ + if (isSlicing == m_cachedIsSlicingActivated) + return; + + m_cachedIsSlicingActivated = isSlicing; + if (isSlicing) { + m_mainViewPort = QRect(0, m_cachedBoundingRect.height() - m_cachedBoundingRect.height() / 5, + m_cachedBoundingRect.width() / 5, m_cachedBoundingRect.height() / 5); + m_sliceViewPort = QRect(0, 0, m_cachedBoundingRect.width(), m_cachedBoundingRect.height()); + if (m_depthTexture) { + m_textureHelper->deleteTexture(&m_depthTexture); + m_depthTexture = 0; + } + } else { + m_mainViewPort = QRect(0, 0, this->m_cachedBoundingRect.width(), + this->m_cachedBoundingRect.height()); + m_sliceViewPort = QRect(0, 0, 0, 0); + initSelectionBuffer(); // We need to re-init selection buffer in case there has been a resize +#if !defined(QT_OPENGL_ES_2) + updateDepthBuffer(); // Re-init depth buffer as well +#endif + } +} + +QRect Bars3DRenderer::mainViewPort() +{ + return m_mainViewPort; +} + +void Bars3DRenderer::initShaders(const QString &vertexShader, const QString &fragmentShader) +{ + if (m_barShader) + delete m_barShader; + m_barShader = new ShaderHelper(this, vertexShader, fragmentShader); + m_barShader->initialize(); +} + +void Bars3DRenderer::initSelectionShader() +{ + if (m_selectionShader) + delete m_selectionShader; + m_selectionShader = new ShaderHelper(this, QStringLiteral(":/shaders/vertexSelection"), + QStringLiteral(":/shaders/fragmentSelection")); + m_selectionShader->initialize(); +} + +void Bars3DRenderer::initSelectionBuffer() +{ + if (m_cachedIsSlicingActivated) + return; + + if (m_selectionTexture) + m_textureHelper->deleteTexture(&m_selectionTexture); + + m_selectionTexture = m_textureHelper->createSelectionTexture(m_mainViewPort.size(), + m_selectionFrameBuffer, + m_selectionDepthBuffer); +} + +#if !defined(QT_OPENGL_ES_2) +void Bars3DRenderer::initDepthShader() +{ + if (m_depthShader) + delete m_depthShader; + m_depthShader = new ShaderHelper(this, QStringLiteral(":/shaders/vertexDepth"), + QStringLiteral(":/shaders/fragmentDepth")); + m_depthShader->initialize(); +} + +void Bars3DRenderer::updateDepthBuffer() +{ + if (m_cachedIsSlicingActivated) + return; + + if (m_depthTexture) { + m_textureHelper->deleteTexture(&m_depthTexture); + m_depthTexture = 0; + } + + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + m_depthTexture = m_textureHelper->createDepthTexture(m_mainViewPort.size(), + m_depthFrameBuffer, + m_shadowQualityMultiplier); + if (!m_depthTexture) { + switch (m_cachedShadowQuality) { + case QDataVis::ShadowQualityHigh: + qWarning("Creating high quality shadows failed. Changing to medium quality."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualityMedium); + updateShadowQuality(QDataVis::ShadowQualityMedium); + break; + case QDataVis::ShadowQualityMedium: + qWarning("Creating medium quality shadows failed. Changing to low quality."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualityLow); + updateShadowQuality(QDataVis::ShadowQualityLow); + break; + case QDataVis::ShadowQualityLow: + qWarning("Creating low quality shadows failed. Switching shadows off."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualityNone); + updateShadowQuality(QDataVis::ShadowQualityNone); + break; + case QDataVis::ShadowQualitySoftHigh: + qWarning("Creating soft high quality shadows failed. Changing to soft medium quality."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualitySoftMedium); + updateShadowQuality(QDataVis::ShadowQualitySoftMedium); + break; + case QDataVis::ShadowQualitySoftMedium: + qWarning("Creating soft medium quality shadows failed. Changing to soft low quality."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualitySoftLow); + updateShadowQuality(QDataVis::ShadowQualitySoftLow); + break; + case QDataVis::ShadowQualitySoftLow: + qWarning("Creating soft low quality shadows failed. Switching shadows off."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualityNone); + updateShadowQuality(QDataVis::ShadowQualityNone); + break; + default: + // You'll never get here + break; + } + } + } +} +#endif + +void Bars3DRenderer::initBackgroundShaders(const QString &vertexShader, + const QString &fragmentShader) +{ + if (m_backgroundShader) + delete m_backgroundShader; + m_backgroundShader = new ShaderHelper(this, vertexShader, fragmentShader); + m_backgroundShader->initialize(); +} + +void Bars3DRenderer::initLabelShaders(const QString &vertexShader, const QString &fragmentShader) +{ + if (m_labelShader) + delete m_labelShader; + m_labelShader = new ShaderHelper(this, vertexShader, fragmentShader); + m_labelShader->initialize(); +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/bars3drenderer_p.h b/src/datavisualization/engine/bars3drenderer_p.h new file mode 100644 index 00000000..9b612474 --- /dev/null +++ b/src/datavisualization/engine/bars3drenderer_p.h @@ -0,0 +1,170 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef Q3DBARSRENDERER_p_H +#define Q3DBARSRENDERER_p_H + +#include "datavisualizationglobal_p.h" +#include "bars3dcontroller_p.h" +#include "abstract3drenderer_p.h" +#include "qbardataproxy.h" +#include "barrenderitem_p.h" + +class QPoint; +class QSizeF; +class QOpenGLShaderProgram; + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class ShaderHelper; +class ObjectHelper; +class LabelItem; +class Q3DScene; + +class QT_DATAVISUALIZATION_EXPORT Bars3DRenderer : public Abstract3DRenderer +{ + Q_OBJECT + +private: + // TODO: Filter to the set of attributes to be moved to the model object. + Bars3DController *m_controller; + + // Cached state based on emitted signals from the controller + QSizeF m_cachedBarThickness; + QSizeF m_cachedBarSpacing; + bool m_cachedIsSlicingActivated; + int m_cachedRowCount; + int m_cachedColumnCount; + + // Internal state + BarRenderItem *m_selectedBar; // points to renderitem array + QList<BarRenderItem *> *m_sliceSelection; + AxisRenderCache *m_sliceCache; // not owned + const LabelItem *m_sliceTitleItem; // not owned + bool m_xFlipped; + bool m_zFlipped; + bool m_yFlipped; + QRect m_mainViewPort; + QRect m_sliceViewPort; + bool m_updateLabels; + ShaderHelper *m_barShader; + ShaderHelper *m_depthShader; + ShaderHelper *m_selectionShader; + ShaderHelper *m_backgroundShader; + ShaderHelper *m_labelShader; + ObjectHelper *m_barObj; + ObjectHelper *m_backgroundObj; + ObjectHelper *m_gridLineObj; + ObjectHelper *m_labelObj; + GLuint m_bgrTexture; + GLuint m_depthTexture; + GLuint m_selectionTexture; + GLuint m_depthFrameBuffer; + GLuint m_selectionFrameBuffer; + GLuint m_selectionDepthBuffer; + GLfloat m_shadowQualityToShader; + GLint m_shadowQualityMultiplier; + GLfloat m_heightNormalizer; + GLfloat m_yAdjustment; + GLfloat m_rowWidth; + GLfloat m_columnDepth; + GLfloat m_maxDimension; + GLfloat m_scaleX; + GLfloat m_scaleZ; + GLfloat m_scaleFactor; + GLfloat m_maxSceneSize; + QVector3D m_selection; + QVector3D m_previousSelection; + + bool m_hasHeightAdjustmentChanged; + BarRenderItem m_dummyBarRenderItem; + + BarRenderItemArray m_renderItemArray; + +public: + explicit Bars3DRenderer(Bars3DController *controller); + ~Bars3DRenderer(); + + void updateDataModel(QBarDataProxy *dataProxy); + void updateScene(Q3DScene *scene); + void render(GLuint defaultFboHandle = 0); + + QRect mainViewPort(); + +protected: + virtual void initializeOpenGL(); + virtual void loadMeshFile(); + +public slots: + void updateBarSpecs(GLfloat thicknessRatio = 1.0f, + const QSizeF &spacing = QSizeF(1.0, 1.0), + bool relative = true); + void updateSelectionMode(QDataVis::SelectionMode newMode); + void updateSlicingActive(bool isSlicing); + void updateBackgroundEnabled(bool enable); + void updateSelectedBarPos(const QPoint &position); + + // Overloaded from abstract renderer + virtual void updateAxisRange(Q3DAbstractAxis::AxisOrientation orientation, qreal min, qreal max); + +signals: + void selectedBarPosChanged(QPoint position); + +private: + virtual void initShaders(const QString &vertexShader, const QString &fragmentShader); + virtual void updateShadowQuality(QDataVis::ShadowQuality quality); + virtual void updateTextures(); + + void drawSlicedScene(const LabelItem &xLabel, const LabelItem &yLabel, const LabelItem &zLabel); + void drawScene(GLuint defaultFboHandle); + void handleResize(); + + void loadBackgroundMesh(); + void loadGridLineMesh(); + void loadLabelMesh(); + void initSelectionShader(); + void initBackgroundShaders(const QString &vertexShader, const QString &fragmentShader); + void initLabelShaders(const QString &vertexShader, const QString &fragmentShader); + void initSelectionBuffer(); +#if !defined(QT_OPENGL_ES_2) + void initDepthShader(); + void updateDepthBuffer(); +#endif + void calculateSceneScalingFactors(); + void calculateHeightAdjustment(); + Abstract3DController::SelectionType isSelected(GLint row, GLint bar); + + Q_DISABLE_COPY(Bars3DRenderer) + + friend class BarRenderItem; +}; + + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/engine/drawer.cpp b/src/datavisualization/engine/drawer.cpp new file mode 100644 index 00000000..9d50186d --- /dev/null +++ b/src/datavisualization/engine/drawer.cpp @@ -0,0 +1,369 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "qdatavisualizationenums.h" +#include "drawer_p.h" +#include "shaderhelper_p.h" +#include "objecthelper_p.h" +#include "abstractobjecthelper_p.h" +#include "surfaceobject_p.h" +#include "q3dcamera.h" +#include "utils_p.h" +#include "texturehelper_p.h" +#include <QMatrix4x4> +#include <qmath.h> + +// Resources need to be explicitly initialized when building as static library +class StaticLibInitializer +{ +public: + StaticLibInitializer() + { + Q_INIT_RESOURCE(engine); + } +}; +StaticLibInitializer staticLibInitializer; + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +Drawer::Drawer(const Theme &theme, const QFont &font, QDataVis::LabelStyle style) + : m_theme(theme), + m_font(font), + m_style(style), + m_textureHelper(0) +{ +} + +Drawer::~Drawer() +{ + delete m_textureHelper; +} + +void Drawer::initializeOpenGL() +{ + if (!m_textureHelper) { + initializeOpenGLFunctions(); + m_textureHelper = new TextureHelper(); + } +} + +void Drawer::setTheme(const Theme &theme) +{ + m_theme = theme; + emit drawerChanged(); +} + +Theme Drawer::theme() const +{ + return m_theme; +} + +void Drawer::setFont(const QFont &font) +{ + m_font = font; + emit drawerChanged(); +} + +QFont Drawer::font() const +{ + return m_font; +} + +void Drawer::setStyle(QDataVis::LabelStyle style) +{ + m_style = style; + emit drawerChanged(); +} + +void Drawer::drawObject(ShaderHelper *shader, AbstractObjectHelper *object, GLuint textureId, + GLuint depthTextureId) +{ + // Store the GL state before changing + GLint oldActiveTex[1]; + glGetIntegerv(GL_ACTIVE_TEXTURE, oldActiveTex); + GLint oldTexId[1]; + glGetIntegerv(GL_TEXTURE_BINDING_2D, oldTexId); + + if (textureId) { + // Activate texture + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D, textureId); + shader->setUniformValue(shader->texture(), 0); + } + + if (depthTextureId) { + // Activate depth texture + glActiveTexture(GL_TEXTURE1); + glBindTexture(GL_TEXTURE_2D, depthTextureId); + shader->setUniformValue(shader->shadow(), 1); + } + + // 1st attribute buffer : vertices + glEnableVertexAttribArray(shader->posAtt()); + glBindBuffer(GL_ARRAY_BUFFER, object->vertexBuf()); + glVertexAttribPointer(shader->posAtt(), 3, GL_FLOAT, GL_FALSE, 0, (void*)0); + + // 2nd attribute buffer : normals + glEnableVertexAttribArray(shader->normalAtt()); + glBindBuffer(GL_ARRAY_BUFFER, object->normalBuf()); + glVertexAttribPointer(shader->normalAtt(), 3, GL_FLOAT, GL_FALSE, 0, (void*)0); + + if (textureId || depthTextureId) { + // 3rd attribute buffer : UVs + glEnableVertexAttribArray(shader->uvAtt()); + glBindBuffer(GL_ARRAY_BUFFER, object->uvBuf()); + glVertexAttribPointer(shader->uvAtt(), 2, GL_FLOAT, GL_FALSE, 0, (void*)0); + } + + // Index buffer + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, object->elementBuf()); + + // Draw the triangles + glDrawElements(GL_TRIANGLES, object->indexCount(), object->indicesType(), (void*)0); + + // Free buffers + glBindBuffer(GL_ARRAY_BUFFER, 0); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); + + if (textureId || depthTextureId) + glDisableVertexAttribArray(shader->uvAtt()); + + glDisableVertexAttribArray(shader->normalAtt()); + glDisableVertexAttribArray(shader->posAtt()); + + // Restore the GL state + glActiveTexture(*oldActiveTex); + glBindTexture(GL_TEXTURE_2D, *oldTexId); +} + +void Drawer::drawSurfaceGrid(ShaderHelper *shader, SurfaceObject *object) +{ + // Store the GL state before changing + GLint oldActiveTex[1]; + glGetIntegerv(GL_ACTIVE_TEXTURE, oldActiveTex); + GLint oldTexId[1]; + glGetIntegerv(GL_TEXTURE_BINDING_2D, oldTexId); + + // 1st attribute buffer : vertices + glEnableVertexAttribArray(shader->posAtt()); + glBindBuffer(GL_ARRAY_BUFFER, object->vertexBuf()); + glVertexAttribPointer(shader->posAtt(), 3, GL_FLOAT, GL_FALSE, 0, (void*)0); + + // Index buffer + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, object->gridElementBuf()); + + // Draw the lines + glDrawElements(GL_LINES, object->gridIndexCount(), object->indicesType(), (void*)0); + + // Free buffers + glBindBuffer(GL_ARRAY_BUFFER, 0); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); + + glDisableVertexAttribArray(shader->posAtt()); + + // Restore the GL state + glActiveTexture(*oldActiveTex); + glBindTexture(GL_TEXTURE_2D, *oldTexId); +} + +void Drawer::drawLabel(const AbstractRenderItem &item, const LabelItem &labelItem, + const QMatrix4x4 &viewmatrix, const QMatrix4x4 &projectionmatrix, + const QVector3D &positionComp, const QVector3D &rotation, + GLfloat itemHeight, QDataVis::SelectionMode mode, + ShaderHelper *shader, ObjectHelper *object, + const Q3DCamera *camera, + bool useDepth, bool rotateAlong, + LabelPosition position, Qt::AlignmentFlag alignment) +{ + // Draw label + if (!labelItem.textureId()) + return; // No texture, skip + + QSize textureSize = labelItem.size(); + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + GLfloat xPosition = 0.0f; + GLfloat yPosition = 0.0f; + GLfloat zPosition = positionComp.z(); + + switch (position) { + case LabelBelow: { + yPosition = -2.6f + positionComp.y(); // minus maximum negative height (+ some extra for axis title label) + break; + } + case LabelLow: { + yPosition = -positionComp.y(); + break; + } + case LabelMid: { + // Use this for positioning with absolute item y position value + yPosition = item.translation().y(); + break; + } + case LabelHigh: { + // TODO: Fix this. Can't seem to get it right (if ok with positive-only bars, doesn't look good on +- and vice versa) + yPosition = item.translation().y() + itemHeight / 2.0f; + break; + } + case LabelOver: { + float mod = 0.3f; + if (itemHeight < 0) + mod = 0.15f; + yPosition = item.translation().y() - (positionComp.y() / 2.0f) + itemHeight + mod; + break; + } + case LabelBottom: { + yPosition = -2.95f + positionComp.y(); + xPosition = 0.0f; + break; + } + case LabelTop: { + yPosition = 2.95f - positionComp.y(); + xPosition = 0.0f; + break; + } + case LabelLeft: { + yPosition = 0.0f; + xPosition = -2.95f; + break; + } + case LabelRight: { + yPosition = 0.0f; + xPosition = 2.95f; + break; + } + } + + // Calculate scale factor to get uniform font size + GLfloat scaledFontSize = 0.05f + m_font.pointSizeF() / 500.0f; + GLfloat scaleFactor = scaledFontSize / (GLfloat)textureSize.height(); + + // Apply alignment + GLfloat xAlignment = 0.0f; + GLfloat yAlignment = 0.0f; + GLfloat zAlignment = 0.0f; + switch (alignment) { + case Qt::AlignLeft: { + xAlignment = (-(GLfloat)textureSize.width() * scaleFactor) + * qFabs(qCos(qDegreesToRadians(rotation.y()))); + zAlignment = ((GLfloat)textureSize.width() * scaleFactor) + * qFabs(qSin(qDegreesToRadians(rotation.y()))); + break; + } + case Qt::AlignRight: { + xAlignment = ((GLfloat)textureSize.width() * scaleFactor) + * qFabs(qCos(qDegreesToRadians(rotation.y()))); + zAlignment = (-(GLfloat)textureSize.width() * scaleFactor) + * qFabs(qSin(qDegreesToRadians(rotation.y()))); + break; + } + case Qt::AlignTop: { + yAlignment = ((GLfloat)textureSize.width() * scaleFactor) + * qFabs(qCos(qDegreesToRadians(rotation.y()))); + if (itemHeight < 0) + yAlignment = -yAlignment; + break; + } + case Qt::AlignBottom: { + yAlignment = (-(GLfloat)textureSize.width() * scaleFactor) + * qFabs(qCos(qDegreesToRadians(rotation.y()))); + if (itemHeight < 0) + yAlignment = -yAlignment; + break; + } + default: { + break; + } + } + + if (position < LabelBottom) { + xPosition = item.translation().x(); + if (useDepth) + zPosition = item.translation().z(); + else if (QDataVis::SelectionModeSliceColumn == mode) + xPosition = -(item.translation().z()) + positionComp.z(); // flip first to left + } + + // Position label + modelMatrix.translate(xPosition + xAlignment, yPosition + yAlignment, zPosition + zAlignment); + + // Rotate + // TODO: We should convert rotations to use quaternions to avoid rotation order problems + //QQuaternion rotQuatX = QQuaternion::fromAxisAndAngle(1.0f, 0.0f, 0.0f, rotation.x()); + //QQuaternion rotQuatY = QQuaternion::fromAxisAndAngle(0.0f, 1.0f, 0.0f, rotation.y()); + //QQuaternion rotQuatZ = QQuaternion::fromAxisAndAngle(0.0f, 0.0f, 1.0f, rotation.z()); + //QQuaternion rotQuaternion = rotQuatX + rotQuatY + rotQuatZ; + //modelMatrix.rotate(rotQuaternion); + modelMatrix.rotate(rotation.y(), 0.0f, 1.0f, 0.0f); + modelMatrix.rotate(rotation.z(), 0.0f, 0.0f, 1.0f); + modelMatrix.rotate(rotation.x(), 1.0f, 0.0f, 0.0f); + + if (useDepth && !rotateAlong) { + qreal yComp = qreal(qRadiansToDegrees(qTan(positionComp.y() / cameraDistance))); + // Apply negative camera rotations to keep labels facing camera + qreal camRotationX = camera->xRotation(); + qreal camRotationY = camera->yRotation(); + modelMatrix.rotate(-camRotationX, 0.0f, 1.0f, 0.0f); + modelMatrix.rotate(-camRotationY - yComp, 1.0f, 0.0f, 0.0f); + } + + // Scale label based on text size + modelMatrix.scale(QVector3D((GLfloat)textureSize.width() * scaleFactor, + scaledFontSize, + 0.0f)); + + MVPMatrix = projectionmatrix * viewmatrix * modelMatrix; + + // Set shader bindings + shader->setUniformValue(shader->MVP(), MVPMatrix); + + // Draw the object + drawObject(shader, object, labelItem.textureId()); +} + +void Drawer::generateSelectionLabelTexture(AbstractRenderItem *item) +{ + LabelItem &labelItem = item->selectionLabelItem(); + generateLabelItem(labelItem, item->selectionLabel()); +} + +void Drawer::generateLabelItem(LabelItem &item, const QString &text, int widestLabel) +{ + initializeOpenGL(); + + item.clear(); + + if (!text.isEmpty()) { + // Create labels + // Print label into a QImage using QPainter + QImage label = Utils::printTextToImage(m_font, + text, + m_theme.m_textBackgroundColor, + m_theme.m_textColor, + m_style, + m_theme.m_labelBorders, + widestLabel); + + // Set label size + item.setSize(label.size()); + // Insert text texture into label (also deletes the old texture) + item.setTextureId(m_textureHelper->create2DTexture(label, true, true)); + } +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/drawer_p.h b/src/datavisualization/engine/drawer_p.h new file mode 100644 index 00000000..89a4ce8c --- /dev/null +++ b/src/datavisualization/engine/drawer_p.h @@ -0,0 +1,104 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef DRAWER_P_H +#define DRAWER_P_H + +#include "datavisualizationglobal_p.h" +#include "q3dbars.h" +#include "theme_p.h" +#include "labelitem_p.h" +#include "abstractrenderitem_p.h" +#include <QFont> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class ShaderHelper; +class ObjectHelper; +class AbstractObjectHelper; +class SurfaceObject; +class TextureHelper; +class Q3DCamera; + +class Drawer : public QObject, public QOpenGLFunctions +{ + Q_OBJECT + +public: + enum LabelPosition { + LabelBelow = 0, + LabelLow, + LabelMid, + LabelHigh, + LabelOver, + LabelBottom, // Absolute positions from here onward, used for axes (QDataItem is ignored) + LabelTop, + LabelLeft, + LabelRight + }; + +public: + explicit Drawer(const Theme &theme, const QFont &font, QDataVis::LabelStyle style); + ~Drawer(); + + void initializeOpenGL(); + + void setTheme(const Theme &theme); + Theme theme() const; + void setFont(const QFont &font); + QFont font() const; + void setStyle(QDataVis::LabelStyle style); + + void drawObject(ShaderHelper *shader, AbstractObjectHelper *object, GLuint textureId = 0, + GLuint depthTextureId = 0); + void drawSurfaceGrid(ShaderHelper *shader, SurfaceObject *object); + void drawLabel(const AbstractRenderItem &item, const LabelItem &labelItem, + const QMatrix4x4 &viewmatrix, const QMatrix4x4 &projectionmatrix, + const QVector3D &positionComp, const QVector3D &rotation, GLfloat itemHeight, + QDataVis::SelectionMode mode, ShaderHelper *shader, ObjectHelper *object, + const Q3DCamera *camera, + bool useDepth = false, bool rotateAlong = false, + LabelPosition position = LabelOver, + Qt::AlignmentFlag alignment = Qt::AlignCenter); + + void generateSelectionLabelTexture(AbstractRenderItem *item); + void generateLabelItem(LabelItem &item, const QString &text, int widestLabel = 0); + +Q_SIGNALS: + void drawerChanged(); + +private: + Theme m_theme; + QFont m_font; + QDataVis::LabelStyle m_style; + TextureHelper *m_textureHelper; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/engine/engine.pri b/src/datavisualization/engine/engine.pri new file mode 100644 index 00000000..4c905fe9 --- /dev/null +++ b/src/datavisualization/engine/engine.pri @@ -0,0 +1,53 @@ +HEADERS += $$PWD/q3dwindow_p.h \ + $$PWD/q3dwindow.h \ + $$PWD/q3dbars.h \ + $$PWD/q3dbars_p.h \ + $$PWD/theme_p.h \ + $$PWD/drawer_p.h \ + $$PWD/bars3dcontroller_p.h \ + $$PWD/bars3drenderer_p.h \ + $$PWD/q3dsurface.h \ + $$PWD/q3dsurface_p.h \ + $$PWD/surface3dcontroller_p.h \ + $$PWD/surface3drenderer_p.h \ + $$PWD/abstract3dcontroller_p.h \ + $$PWD/q3dscatter.h \ + $$PWD/q3dscatter_p.h \ + $$PWD/scatter3dcontroller_p.h \ + $$PWD/scatter3drenderer_p.h \ + $$PWD/axisrendercache_p.h \ + $$PWD/abstract3drenderer_p.h \ + $$PWD/selectionpointer_p.h \ + $$PWD/q3dcamera.h \ + $$PWD/q3dcamera_p.h \ + $$PWD/q3dscene.h \ + $$PWD/q3dlight.h \ + $$PWD/q3dlight_p.h \ + $$PWD/q3dbox.h \ + $$PWD/q3dobject.h \ + $$PWD/q3dobject_p.h \ + $$PWD/q3dscene_p.h + +SOURCES += $$PWD/q3dwindow.cpp \ + $$PWD/q3dbars.cpp \ + $$PWD/theme.cpp \ + $$PWD/drawer.cpp \ + $$PWD/bars3dcontroller.cpp \ + $$PWD/bars3drenderer.cpp \ + $$PWD/q3dsurface.cpp \ + $$PWD/surface3drenderer.cpp \ + $$PWD/surface3dcontroller.cpp \ + $$PWD/abstract3dcontroller.cpp \ + $$PWD/q3dscatter.cpp \ + $$PWD/scatter3dcontroller.cpp \ + $$PWD/scatter3drenderer.cpp \ + $$PWD/axisrendercache.cpp \ + $$PWD/abstract3drenderer.cpp \ + $$PWD/selectionpointer.cpp \ + $$PWD/q3dcamera.cpp \ + $$PWD/q3dlight.cpp \ + $$PWD/q3dbox.cpp \ + $$PWD/q3dobject.cpp \ + $$PWD/q3dscene.cpp + +RESOURCES += engine/engine.qrc diff --git a/src/datavisualization/engine/engine.qrc b/src/datavisualization/engine/engine.qrc new file mode 100644 index 00000000..7420ae51 --- /dev/null +++ b/src/datavisualization/engine/engine.qrc @@ -0,0 +1,62 @@ +<RCC> + <qresource prefix="/defaultMeshes"> + <file alias="cone">meshes/coneFlat.obj</file> + <file alias="coneSmooth">meshes/coneSmooth.obj</file> + <file alias="pyramid">meshes/pyramidFlat.obj</file> + <file alias="pyramidSmooth">meshes/pyramidSmooth.obj</file> + <file alias="bar">meshes/cubeFlat.obj</file> + <file alias="barSmooth">meshes/cubeSmooth.obj</file> + <file alias="cylinder">meshes/cylinderFlat.obj</file> + <file alias="cylinderSmooth">meshes/cylinderSmooth.obj</file> + <file alias="background">meshes/backgroudFlat.obj</file> + <file alias="backgroundSmooth">meshes/backgroudSmooth.obj</file> + <file alias="label">meshes/plane.obj</file> + <file alias="sphere">meshes/sphere.obj</file> + <file alias="sphereSmooth">meshes/sphereSmooth.obj</file> + <file alias="bevelbar">meshes/barFlat.obj</file> + <file alias="bevelbarSmooth">meshes/barSmooth.obj</file> + <file alias="negativeBackground">meshes/backgroudNegatives.obj</file> + <file alias="coneFull">meshes/coneFilledFlat.obj</file> + <file alias="coneSmoothFull">meshes/coneFilledSmooth.obj</file> + <file alias="cylinderFull">meshes/cylinderFilledFlat.obj</file> + <file alias="cylinderSmoothFull">meshes/cylinderFilledSmooth.obj</file> + <file alias="pyramidFull">meshes/pyramidFilledFlat.obj</file> + <file alias="pyramidSmoothFull">meshes/pyramidFilledSmooth.obj</file> + <file alias="bevelbarFull">meshes/barFilledFlat.obj</file> + <file alias="bevelbarSmoothFull">meshes/barFilledSmooth.obj</file> + <file alias="barFull">meshes/cubeFilledFlat.obj</file> + <file alias="barSmoothFull">meshes/cubeFilledSmooth.obj</file> + <file alias="dotSmooth">meshes/scatterdot.obj</file> + <file alias="dot">meshes/scatterdotFlat.obj</file> + </qresource> + <qresource prefix="/shaders"> + <file alias="fragment">shaders/default.frag</file> + <file alias="vertex">shaders/default.vert</file> + <file alias="fragmentAmbient">shaders/ambient.frag</file> + <file alias="fragmentColorOnY">shaders/colorOnY.frag</file> + <file alias="fragmentSelection">shaders/selection.frag</file> + <file alias="vertexSelection">shaders/selection.vert</file> + <file alias="fragmentTexture">shaders/texture.frag</file> + <file alias="vertexTexture">shaders/texture.vert</file> + <file alias="fragmentLabel">shaders/label.frag</file> + <file alias="vertexLabel">shaders/label.vert</file> + <file alias="fragmentDepth">shaders/depth.frag</file> + <file alias="vertexDepth">shaders/depth.vert</file> + <file alias="fragmentShadow">shaders/shadow.frag</file> + <file alias="vertexShadow">shaders/shadow.vert</file> + <file alias="fragmentShadowNoTex">shaders/shadowNoTex.frag</file> + <file alias="fragmentShadowNoTexColorOnY">shaders/shadowNoTexColorOnY.frag</file> + <file alias="fragmentColorOnYES2">shaders/colorOnY_ES2.frag</file> + <file alias="fragmentES2">shaders/default_ES2.frag</file> + <file alias="vertexES2">shaders/default_ES2.vert</file> + <file alias="fragmentTextureES2">shaders/texture_ES2.frag</file> + <file alias="fragmentSurface">shaders/surface.frag</file> + <file alias="vertexSurface">shaders/surface.vert</file> + <file alias="fragmentSurfaceGrid">shaders/surfaceGrid.frag</file> + <file alias="vertexSurfaceGrid">shaders/surfaceGrid.vert</file> + <file alias="vertexSurfaceFlat">shaders/surfaceFlat.vert</file> + <file alias="fragmentSurfaceFlat">shaders/surfaceFlat.frag</file> + <file alias="fragmentSurfaceES2">shaders/surface_ES2.frag</file> + </qresource> + <qresource prefix="/textures"/> +</RCC> diff --git a/src/datavisualization/engine/meshes/backgroudFlat.obj b/src/datavisualization/engine/meshes/backgroudFlat.obj new file mode 100644 index 00000000..cf4d10a5 --- /dev/null +++ b/src/datavisualization/engine/meshes/backgroudFlat.obj @@ -0,0 +1,32 @@ +# Blender v2.66 (sub 0) OBJ File: 'backgroud.blend' +# www.blender.org +o Cube +v 1.000000 -1.000000 -1.000000 +v 1.000000 -1.000000 1.000000 +v -1.000000 -1.000000 1.000000 +v -1.000000 -1.000000 -1.000000 +v 0.999999 1.000000 1.000001 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+++ b/src/datavisualization/engine/meshes/backgroudSmooth.obj @@ -0,0 +1,36 @@ +# Blender v2.66 (sub 0) OBJ File: 'backgroud.blend' +# www.blender.org +o Cube +v 1.000000 -1.000000 -1.000000 +v 1.000000 -1.000000 1.000000 +v -1.000000 -1.000000 1.000000 +v -1.000000 -1.000000 -1.000000 +v 0.999999 1.000000 1.000001 +v -1.000000 1.000000 1.000000 +v -1.000000 1.000000 -1.000000 +vt 0.000000 0.501529 +vt 0.001529 1.000000 +vt 0.500000 0.998471 +vt 0.501529 0.500000 +vt 1.000000 0.498471 +vt 0.998471 0.000000 +vt 0.500000 0.498471 +vt 0.498471 0.000000 +vt 0.000000 0.001529 +vt 0.498471 0.500000 +vt 0.500000 0.001529 +vt 0.001529 0.500000 +vn 0.000000 0.999969 0.000000 +vn 0.707083 0.707083 0.000000 +vn 0.577349 0.577349 -0.577349 +vn 0.000000 0.707083 -0.707083 +vn 0.707083 0.000000 -0.707083 +vn 0.999969 0.000000 0.000000 +vn 0.000000 0.000000 -1.000000 +s 1 +f 1/1/1 4/2/2 3/3/3 +f 2/4/4 3/5/3 6/6/5 +f 3/7/3 4/8/2 7/9/6 +f 2/10/4 1/1/1 3/3/3 +f 5/11/7 2/4/4 6/6/5 +f 6/12/5 3/7/3 7/9/6 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a/src/datavisualization/engine/meshes/cubeFilledFlat.obj b/src/datavisualization/engine/meshes/cubeFilledFlat.obj new file mode 100644 index 00000000..108cf7ac --- /dev/null +++ b/src/datavisualization/engine/meshes/cubeFilledFlat.obj @@ -0,0 +1,54 @@ +# Blender v2.66 (sub 0) OBJ File: 'cube_filled.blend' +# www.blender.org +o Cube +v -1.000000 -1.000000 1.000000 +v -1.000000 -1.000000 -1.000000 +v 1.000000 -1.000000 -1.000000 +v 1.000000 -1.000000 1.000000 +v -1.000000 1.000000 1.000000 +v -1.000000 1.000000 -1.000000 +v 1.000000 1.000000 -1.000000 +v 1.000000 1.000000 1.000000 +vt 0.666667 0.332314 +vt 0.334353 0.333333 +vt 0.665647 0.000000 +vt 0.001020 0.333333 +vt 0.000000 0.001020 +vt 0.333333 0.332314 +vt 0.333333 0.665647 +vt 0.001019 0.666667 +vt 0.000000 0.334353 +vt 0.334353 0.666667 +vt 0.333333 0.334353 +vt 0.665647 0.333333 +vt 0.333333 0.667686 +vt 0.665647 0.666667 +vt 0.666667 0.998980 +vt 0.667686 0.333333 +vt 0.666667 0.001019 +vt 0.998980 0.000000 +vt 0.333333 0.001019 +vt 0.332314 0.000000 +vt 0.332314 0.333333 +vt 0.666667 0.665647 +vt 0.334353 1.000000 +vt 1.000000 0.332314 +vn -1.000000 0.000000 0.000000 +vn 0.000000 0.000000 -1.000000 +vn 1.000000 -0.000000 0.000000 +vn 0.000000 0.000000 1.000000 +vn 0.000000 1.000000 0.000000 +vn -0.000000 -1.000000 -0.000000 +s off +f 5/1/1 6/2/1 1/3/1 +f 6/4/2 7/5/2 2/6/2 +f 7/7/3 8/8/3 4/9/3 +f 8/10/4 5/11/4 1/12/4 +f 8/13/5 7/14/5 6/15/5 +f 2/16/6 3/17/6 4/18/6 +f 6/2/1 2/19/1 1/3/1 +f 7/5/2 3/20/2 2/6/2 +f 3/21/3 7/7/3 4/9/3 +f 4/22/4 8/10/4 1/12/4 +f 5/23/5 8/13/5 6/15/5 +f 1/24/6 2/16/6 4/18/6 diff --git a/src/datavisualization/engine/meshes/cubeFilledSmooth.obj b/src/datavisualization/engine/meshes/cubeFilledSmooth.obj new file mode 100644 index 00000000..07350f03 --- /dev/null +++ b/src/datavisualization/engine/meshes/cubeFilledSmooth.obj @@ -0,0 +1,56 @@ +# Blender v2.66 (sub 0) OBJ File: 'cube_filled.blend' +# www.blender.org +o Cube +v -1.000000 -1.000000 1.000000 +v -1.000000 -1.000000 -1.000000 +v 1.000000 -1.000000 -1.000000 +v 1.000000 -1.000000 1.000000 +v -1.000000 1.000000 1.000000 +v -1.000000 1.000000 -1.000000 +v 1.000000 1.000000 -1.000000 +v 1.000000 1.000000 1.000000 +vt 0.666667 0.332314 +vt 0.334353 0.333333 +vt 0.665647 0.000000 +vt 0.001020 0.333333 +vt 0.000000 0.001020 +vt 0.333333 0.332314 +vt 0.333333 0.665647 +vt 0.001019 0.666667 +vt 0.000000 0.334353 +vt 0.334353 0.666667 +vt 0.333333 0.334353 +vt 0.665647 0.333333 +vt 0.333333 0.667686 +vt 0.665647 0.666667 +vt 0.666667 0.998980 +vt 0.667686 0.333333 +vt 0.666667 0.001019 +vt 0.998980 0.000000 +vt 0.333333 0.001019 +vt 0.332314 0.000000 +vt 0.332314 0.333333 +vt 0.666667 0.665647 +vt 0.334353 1.000000 +vt 1.000000 0.332314 +vn -0.577349 0.577349 0.577349 +vn -0.577349 0.577349 -0.577349 +vn -0.577349 -0.577349 0.577349 +vn 0.577349 0.577349 -0.577349 +vn -0.577349 -0.577349 -0.577349 +vn 0.577349 0.577349 0.577349 +vn 0.577349 -0.577349 0.577349 +vn 0.577349 -0.577349 -0.577349 +s 1 +f 5/1/1 6/2/2 1/3/3 +f 6/4/2 7/5/4 2/6/5 +f 7/7/4 8/8/6 4/9/7 +f 8/10/6 5/11/1 1/12/3 +f 8/13/6 7/14/4 6/15/2 +f 2/16/5 3/17/8 4/18/7 +f 6/2/2 2/19/5 1/3/3 +f 7/5/4 3/20/8 2/6/5 +f 3/21/8 7/7/4 4/9/7 +f 4/22/7 8/10/6 1/12/3 +f 5/23/1 8/13/6 6/15/2 +f 1/24/3 2/16/5 4/18/7 diff --git a/src/datavisualization/engine/meshes/cubeFlat.obj b/src/datavisualization/engine/meshes/cubeFlat.obj new file mode 100644 index 00000000..3c8d6d0a --- /dev/null +++ b/src/datavisualization/engine/meshes/cubeFlat.obj @@ -0,0 +1,47 @@ +# Blender v2.66 (sub 0) OBJ File: 'cube.blend' +# www.blender.org +o Cube +v -1.000000 -1.000000 1.000000 +v -1.000000 -1.000000 -1.000000 +v 1.000000 -1.000000 -1.000000 +v 1.000000 -1.000000 1.000000 +v -1.000000 1.000000 1.000000 +v -1.000000 1.000000 -1.000000 +v 1.000000 1.000000 -1.000000 +v 1.000000 1.000000 1.000000 +vt 0.998999 0.334334 +vt 0.667668 0.334334 +vt 0.998999 0.665666 +vt 0.332332 0.001001 +vt 0.001001 0.001001 +vt 0.332332 0.332332 +vt 0.332332 0.334334 +vt 0.001001 0.334334 +vt 0.001001 0.665666 +vt 0.665666 0.001001 +vt 0.334334 0.001001 +vt 0.334334 0.332332 +vt 0.665666 0.334334 +vt 0.334334 0.334334 +vt 0.334334 0.665666 +vt 0.667668 0.665666 +vt 0.001001 0.332332 +vt 0.332332 0.665666 +vt 0.665666 0.332332 +vt 0.665666 0.665666 +vn -1.000000 0.000000 0.000000 +vn 0.000000 0.000000 -1.000000 +vn 1.000000 -0.000000 0.000000 +vn 0.000000 0.000000 1.000000 +vn 0.000000 1.000000 0.000000 +s off +f 5/1/1 6/2/1 1/3/1 +f 6/4/2 7/5/2 2/6/2 +f 7/7/3 8/8/3 4/9/3 +f 8/10/4 5/11/4 1/12/4 +f 8/13/5 7/14/5 6/15/5 +f 6/2/1 2/16/1 1/3/1 +f 7/5/2 3/17/2 2/6/2 +f 3/18/3 7/7/3 4/9/3 +f 4/19/4 8/10/4 1/12/4 +f 5/20/5 8/13/5 6/15/5 diff --git a/src/datavisualization/engine/meshes/cubeSmooth.obj b/src/datavisualization/engine/meshes/cubeSmooth.obj new file mode 100644 index 00000000..9d147bfd --- /dev/null +++ b/src/datavisualization/engine/meshes/cubeSmooth.obj @@ -0,0 +1,50 @@ +# Blender v2.66 (sub 0) OBJ File: 'cube.blend' +# www.blender.org +o Cube +v 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8/8/6 4/9/7 +f 8/10/6 5/11/1 1/12/3 +f 8/13/6 7/14/4 6/15/2 +f 6/2/2 2/16/5 1/3/3 +f 7/5/4 3/17/8 2/6/5 +f 3/18/8 7/7/4 4/9/7 +f 4/19/7 8/10/6 1/12/3 +f 5/20/1 8/13/6 6/15/2 diff --git a/src/datavisualization/engine/meshes/cylinderFilledFlat.obj b/src/datavisualization/engine/meshes/cylinderFilledFlat.obj new file mode 100644 index 00000000..16c2ef36 --- /dev/null +++ b/src/datavisualization/engine/meshes/cylinderFilledFlat.obj @@ -0,0 +1,361 @@ +# Blender v2.66 (sub 0) OBJ File: 'cylinder_filled.blend' +# www.blender.org +o Cylinder +v 0.000000 -1.000000 -1.000000 +v 0.000000 1.000000 -1.000000 +v 0.195090 -1.000000 -0.980785 +v 0.195090 1.000000 -0.980785 +v 0.382683 -1.000000 -0.923880 +v 0.382683 1.000000 -0.923880 +v 0.555570 -1.000000 -0.831470 +v 0.555570 1.000000 -0.831470 +v 0.707107 -1.000000 -0.707107 +v 0.707107 1.000000 -0.707107 +v 0.831470 -1.000000 -0.555570 +v 0.831470 1.000000 -0.555570 +v 0.923880 -1.000000 -0.382683 +v 0.923880 1.000000 -0.382683 +v 0.980785 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file mode 100644 index 00000000..0cf73bbe --- /dev/null +++ b/src/datavisualization/engine/meshes/pyramidFilledFlat.obj @@ -0,0 +1,36 @@ +# Blender v2.66 (sub 0) OBJ File: 'pyramid_filled.blend' +# www.blender.org +o Cone_Cone.001 +v 1.000000 -1.000000 -0.999999 +v 0.999999 -1.000000 1.000000 +v -1.000000 -1.000000 0.999999 +v 0.000000 1.000000 0.000000 +v -0.999999 -1.000000 -1.000000 +vt 0.323067 0.577790 +vt 0.000097 0.866793 +vt 0.000000 0.433396 +vt 0.646133 0.144393 +vt 0.323164 0.433396 +vt 0.323067 0.000000 +vt 0.646133 0.577790 +vt 0.323163 0.866793 +vt 0.323067 0.433396 +vt 0.323067 0.144393 +vt 0.000097 0.433396 +vt 0.000000 0.000000 +vt 0.646133 0.787263 +vt 0.646133 0.433396 +vt 1.000000 0.433396 +vt 1.000000 0.787263 +vn -0.894427 0.447214 -0.000000 +vn 0.894427 0.447213 0.000000 +vn 0.000000 0.447214 -0.894427 +vn -0.000000 0.447214 0.894427 +vn 0.000000 -1.000000 -0.000000 +s off +f 3/1/1 4/2/1 5/3/1 +f 1/4/2 4/5/2 2/6/2 +f 5/7/3 4/8/3 1/9/3 +f 2/10/4 4/11/4 3/12/4 +f 5/13/5 1/14/5 2/15/5 +f 3/16/5 5/13/5 2/15/5 diff --git a/src/datavisualization/engine/meshes/pyramidFilledSmooth.obj b/src/datavisualization/engine/meshes/pyramidFilledSmooth.obj new file mode 100644 index 00000000..306bda58 --- /dev/null +++ b/src/datavisualization/engine/meshes/pyramidFilledSmooth.obj @@ -0,0 +1,36 @@ +# Blender v2.66 (sub 0) OBJ File: 'pyramid_filled.blend' +# www.blender.org +o Cone_Cone.001 +v 1.000000 -1.000000 -0.999999 +v 0.999999 -1.000000 1.000000 +v -1.000000 -1.000000 0.999999 +v 0.000000 1.000000 0.000000 +v -0.999999 -1.000000 -1.000000 +vt 0.323067 0.577790 +vt 0.000097 0.866793 +vt 0.000000 0.433396 +vt 0.646133 0.144393 +vt 0.323164 0.433396 +vt 0.323067 0.000000 +vt 0.646133 0.577790 +vt 0.323163 0.866793 +vt 0.323067 0.433396 +vt 0.323067 0.144393 +vt 0.000097 0.433396 +vt 0.000000 0.000000 +vt 0.646133 0.787263 +vt 0.646133 0.433396 +vt 1.000000 0.433396 +vt 1.000000 0.787263 +vn -0.662618 -0.349040 0.662618 +vn 0.000000 1.000000 0.000000 +vn -0.662618 -0.349040 -0.662618 +vn 0.662618 -0.349040 -0.662618 +vn 0.662618 -0.349040 0.662618 +s 1 +f 3/1/1 4/2/2 5/3/3 +f 1/4/4 4/5/2 2/6/5 +f 5/7/3 4/8/2 1/9/4 +f 2/10/5 4/11/2 3/12/1 +f 5/13/3 1/14/4 2/15/5 +f 3/16/1 5/13/3 2/15/5 diff --git a/src/datavisualization/engine/meshes/pyramidFlat.obj b/src/datavisualization/engine/meshes/pyramidFlat.obj new file mode 100644 index 00000000..35edb477 --- /dev/null +++ b/src/datavisualization/engine/meshes/pyramidFlat.obj @@ -0,0 +1,22 @@ +# Blender v2.66 (sub 0) OBJ File: 'pyramid.blend' +# www.blender.org +o Cone_Cone.001 +v 1.000000 -1.000000 -0.999999 +v 0.999999 -1.000000 1.000000 +v -1.000000 -1.000000 0.999999 +v 0.000000 1.000000 0.000000 +v -0.999999 -1.000000 -1.000000 +vt 0.999900 0.000100 +vt 0.500000 0.500000 +vt 0.000100 0.000100 +vt 0.000100 0.999900 +vt 0.999900 0.999900 +vn -0.894427 0.447214 -0.000000 +vn 0.894427 0.447213 0.000000 +vn 0.000000 0.447214 -0.894427 +vn -0.000000 0.447214 0.894427 +s off +f 3/1/1 4/2/1 5/3/1 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with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "q3dbars.h" +#include "q3dbars_p.h" +#include "bars3dcontroller_p.h" +#include "q3dvalueaxis.h" +#include "q3dcategoryaxis.h" +#include "qbardataproxy.h" +#include "q3dcamera.h" + +#include <QMouseEvent> + +#include <QDebug> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class Q3DBars + * \inmodule QtDataVisualization + * \brief The Q3DBars class provides methods for rendering 3D bar graphs. + * \since 1.0.0 + * + * This class enables developers to render bar graphs in 3D and to view them by rotating the scene + * freely. Rotation is done by holding down the right mouse button and moving the mouse. Zooming + * is done by mouse wheel. Selection, if enabled, is done by left mouse button. The scene can be + * reset to default camera view by clicking mouse wheel. In touch devices rotation is done + * by tap-and-move, selection by tap-and-hold and zoom by pinch. + * + * If no axes are explicitly set to Q3DBars, temporary default axes with no labels are created. + * These default axes can be modified via axis accessors, but as soon any axis is explicitly + * set for the orientation, the default axis for that orientation is destroyed. + * + * Data proxies work similarly: If no data proxy is explicitly set, Q3DBars creates a default + * proxy. If any other proxy is set as active data proxy later, the default proxy and all data + * added to it is destroyed. + * + * Methods are provided for changing bar types, themes, bar selection modes and so on. See the + * methods for more detailed descriptions. + * + * \section1 How to construct a minimal Q3DBars graph + * + * First, construct an instance of Q3DBars: + * + * \snippet doc_src_q3dbars_construction.cpp 4 + * + * After constructing Q3DBars, you can set the data window by changing the range on the row and + * column axes. It is not mandatory, as data window will default to showing all of the data in + * the data proxy. If the amount of data is large, it is usually preferable to show just a + * portion of it. For the example, let's set the data window to show first five rows and columns: + * + * \snippet doc_src_q3dbars_construction.cpp 0 + * + * Now Q3DBars is ready to receive data to be rendered. Add one row of 5 qreals into the data + * set: + * + * \snippet doc_src_q3dbars_construction.cpp 1 + * + * \note We set the data window to 5 x 5, but we are inserting only one row of data. This is ok, + * the rest of the rows will just be blank. + * + * Finally you will need to set it visible: + * + * \snippet doc_src_q3dbars_construction.cpp 2 + * + * The complete code needed to create and display this graph is: + * + * \snippet doc_src_q3dbars_construction.cpp 3 + * + * And this is what those few lines of code produce: + * + * \image q3dbars-minimal.png + * + * The scene can be rotated, zoomed into, and a bar can be selected to view it's value, + * but no other interaction is included in this minimal code example. You can learn more by + * familiarizing yourself with the examples provided, like the \l{Bars Example} or + * the \l{Custom Proxy Example}. + * + * \sa Q3DScatter, Q3DSurface, {Qt Data Visualization C++ Classes} + */ + +/*! + * Constructs a new 3D bar window. + */ +Q3DBars::Q3DBars() + : d_ptr(new Q3DBarsPrivate(this, geometry())) +{ + setVisualController(d_ptr->m_shared); + d_ptr->m_shared->initializeOpenGL(); + QObject::connect(d_ptr->m_shared, &Bars3DController::selectedBarPosChanged, this, + &Q3DBars::selectedBarPosChanged); + QObject::connect(d_ptr->m_shared, &Abstract3DController::needRender, this, + &Q3DWindow::renderLater); +} + +/*! + * Destroys the 3D bar window. + */ +Q3DBars::~Q3DBars() +{ +} + +/*! + * \internal + */ +void Q3DBars::mouseDoubleClickEvent(QMouseEvent *event) +{ + d_ptr->m_shared->mouseDoubleClickEvent(event); +} + +/*! + * \internal + */ +void Q3DBars::touchEvent(QTouchEvent *event) +{ + d_ptr->m_shared->touchEvent(event); +} + +/*! + * \internal + */ +void Q3DBars::mousePressEvent(QMouseEvent *event) +{ + d_ptr->m_shared->mousePressEvent(event, event->pos()); +} + +/*! + * \internal + */ +void Q3DBars::mouseReleaseEvent(QMouseEvent *event) +{ + d_ptr->m_shared->mouseReleaseEvent(event, event->pos()); +} + +/*! + * \internal + */ +void Q3DBars::mouseMoveEvent(QMouseEvent *event) +{ + d_ptr->m_shared->mouseMoveEvent(event, event->pos()); +} + +/*! + * \internal + */ +void Q3DBars::wheelEvent(QWheelEvent *event) +{ + d_ptr->m_shared->wheelEvent(event); +} + +/*! + * \internal + */ +void Q3DBars::resizeEvent(QResizeEvent *event) +{ + Q_UNUSED(event); + d_ptr->m_shared->setSize(width(), height()); +} + +/*! + * Sets window \a width. + */ +void Q3DBars::setWidth(const int width) +{ + d_ptr->m_shared->setWidth(width); + QWindow::setWidth(width); +} + +/*! + * Sets window \a height. + */ +void Q3DBars::setHeight(const int height) +{ + d_ptr->m_shared->setHeight(height); + QWindow::setHeight(height); +} + +/*! + * \property Q3DBars::barThickness + * + * Bar thickness ratio between X and Z dimensions. 1.0 means bars are as wide as they are deep, 0.5 + * makes them twice as deep as they are wide. It is preset to \c 1.0 by default. + */ +void Q3DBars::setBarThickness(qreal thicknessRatio) +{ + d_ptr->m_shared->setBarSpecs(GLfloat(thicknessRatio), barSpacing(), isBarSpacingRelative()); +} + +qreal Q3DBars::barThickness() +{ + return d_ptr->m_shared->barThickness(); +} + +/*! + * \property Q3DBars::barSpacing + * + * Bar spacing, ie. the empty space between bars, in X and Z dimensions. It is preset to + * \c {(1.0, 1.0)} by default. Spacing is affected by barSpacingRelative -property. + * + * \sa barSpacingRelative + */ +void Q3DBars::setBarSpacing(QSizeF spacing) +{ + d_ptr->m_shared->setBarSpecs(GLfloat(barThickness()), spacing, isBarSpacingRelative()); +} + +QSizeF Q3DBars::barSpacing() +{ + return d_ptr->m_shared->barSpacing(); +} + +/*! + * \property Q3DBars::barSpacingRelative + * + * This is used to indicate if spacing is meant to be absolute or relative to bar thickness. + * If it is true, value of 0.0 means the bars are side-to-side and for example 1.0 means + * there is one thickness in between the bars. It is preset to \c true. + */ +void Q3DBars::setBarSpacingRelative(bool relative) +{ + d_ptr->m_shared->setBarSpecs(GLfloat(barThickness()), barSpacing(), relative); +} + +bool Q3DBars::isBarSpacingRelative() +{ + return d_ptr->m_shared->isBarSpecRelative(); +} + +/*! + * Sets the bar \a style to one of the values in \c QDataVis::MeshStyle. It is preset to + * \c QDataVis::MeshStyleBars by default. A \a smooth flag can be used to set shading to smooth. + * It is \c false by default. + * + * \sa setMeshFileName() + */ +void Q3DBars::setBarType(QDataVis::MeshStyle style, bool smooth) +{ + d_ptr->m_shared->setBarType(style, smooth); +} + +/*! + * Sets a predefined \a theme from \c QDataVis::Theme. It is preset to \c QDataVis::ThemeQt by + * default. Theme affects bar colors, label colors, text color, background color, window color and + * grid color. Lighting is also adjusted by themes. + * + * \sa setBarColor() + * + * \warning This method is subject to change. + */ +void Q3DBars::setTheme(QDataVis::Theme theme) +{ + d_ptr->m_shared->setTheme(theme); +} + +/*! + * Set bar color using your own color. \a baseColor sets the base color of a bar. The \a uniform + * -flag is used to define if color needs to be uniform throughout bar's length, or will the colors + * be applied by height, starting with dark at the bottom. It is \c true by default. + * + * Calling this method overrides colors from theme. + * + * \sa setTheme() + * + * \warning This method is subject to change. + */ +void Q3DBars::setBarColor(const QColor &baseColor, bool uniform) +{ + d_ptr->m_shared->setObjectColor(baseColor, uniform); +} + +/*! + * \return bar color in use. + */ +QColor Q3DBars::barColor() const +{ + return d_ptr->m_shared->objectColor(); +} + +/*! + * \property Q3DBars::selectionMode + * + * Sets bar selection \a mode to one of \c QDataVis::SelectionMode. It is preset to + * \c QDataVis::SelectionModeItem by default. + */ +void Q3DBars::setSelectionMode(QDataVis::SelectionMode mode) +{ + d_ptr->m_shared->setSelectionMode(mode); +} + +QDataVis::SelectionMode Q3DBars::selectionMode() const +{ + return d_ptr->m_shared->selectionMode(); +} + +/*! + * \property Q3DBars::meshFileName + * + * Override bar type with a mesh object located in \a objFileName. + * \note Object needs to be in Wavefront obj format and include vertices, normals and UVs. + * It also needs to be in triangles. + * + * \sa setBarType() + */ +void Q3DBars::setMeshFileName(const QString &objFileName) +{ + d_ptr->m_shared->setMeshFileName(objFileName); +} + +QString Q3DBars::meshFileName() const +{ + return d_ptr->m_shared->meshFileName(); +} + +/*! + * \property Q3DBars::font + * + * Sets the \a font for labels. It is preset to \c Arial by default. + */ +void Q3DBars::setFont(const QFont &font) +{ + d_ptr->m_shared->setFont(font); +} + +QFont Q3DBars::font() const +{ + return d_ptr->m_shared->font(); +} + +/*! + * \property Q3DBars::scene + * + * This property contains the read only Q3DScene that can be used to access e.g. camera object. + */ +Q3DScene *Q3DBars::scene() const +{ + return d_ptr->m_shared->scene(); +} + +/*! + * \property Q3DBars::labelStyle + * + * Sets label \a style to one of \c QDataVis::LabelStyle. It is preset to + * \c QDataVis::LabelStyleFromTheme by default. + */ +void Q3DBars::setLabelStyle(QDataVis::LabelStyle style) +{ + d_ptr->m_shared->setLabelStyle(style); +} + +QDataVis::LabelStyle Q3DBars::labelStyle() const +{ + return d_ptr->m_shared->labelStyle(); +} + +/*! + * \property Q3DBars::gridVisible + * + * Sets grid visibility to \a visible. It is preset to \c true by default. + */ +void Q3DBars::setGridVisible(bool visible) +{ + d_ptr->m_shared->setGridEnabled(visible); +} + +bool Q3DBars::isGridVisible() const +{ + return d_ptr->m_shared->gridEnabled(); +} + +/*! + * \property Q3DBars::backgroundVisible + * + * Sets background visibility to \a visible. It is preset to \c true by default. + */ +void Q3DBars::setBackgroundVisible(bool visible) +{ + d_ptr->m_shared->setBackgroundEnabled(visible); +} + +bool Q3DBars::isBackgroundVisible() const +{ + return d_ptr->m_shared->backgroundEnabled(); +} + +/*! + * \property Q3DBars::selectedBarPos + * + * Selects a bar in a \a position. The position is the position in data window. + * Only one bar can be selected at a time. + * To clear selection, specify an illegal \a position, e.g. (-1, -1). + */ +void Q3DBars::setSelectedBarPos(const QPoint &position) +{ + d_ptr->m_shared->setSelectedBarPos(position); +} + +QPoint Q3DBars::selectedBarPos() const +{ + return d_ptr->m_shared->selectedBarPos(); +} + +/*! + * \property Q3DBars::shadowQuality + * + * Sets shadow \a quality to one of \c QDataVis::ShadowQuality. It is preset to + * \c QDataVis::ShadowQualityMedium by default. + * + * \note If setting QDataVis::ShadowQuality of a certain level fails, a level is lowered + * until it is successful and shadowQualityChanged signal is emitted for each time the change is + * done. + */ +void Q3DBars::setShadowQuality(QDataVis::ShadowQuality quality) +{ + d_ptr->m_shared->setShadowQuality(quality); +} + +QDataVis::ShadowQuality Q3DBars::shadowQuality() const +{ + return d_ptr->m_shared->shadowQuality(); +} + +/*! + * Sets a user-defined row \a axis. Implicitly calls addAxis() to transfer ownership of + * the \a axis to this graph. + * + * If the \a axis is null, a temporary default axis with no labels is created. + * This temporary axis is destroyed if another \a axis is explicitly set to same orientation. + * + * \sa addAxis(), releaseAxis() + */ +void Q3DBars::setRowAxis(Q3DCategoryAxis *axis) +{ + d_ptr->m_shared->setAxisX(axis); +} + +/*! + * \return category axis for rows. + */ +Q3DCategoryAxis *Q3DBars::rowAxis() const +{ + return static_cast<Q3DCategoryAxis *>(d_ptr->m_shared->axisX()); +} + +/*! + * Sets a user-defined column \a axis. Implicitly calls addAxis() to transfer ownership of + * the \a axis to this graph. + * + * If the \a axis is null, a temporary default axis with no labels is created. + * This temporary axis is destroyed if another \a axis is explicitly set to same orientation. + * + * \sa addAxis(), releaseAxis() + */ +void Q3DBars::setColumnAxis(Q3DCategoryAxis *axis) +{ + d_ptr->m_shared->setAxisZ(axis); +} + +/*! + * \return category axis for columns. + */ +Q3DCategoryAxis *Q3DBars::columnAxis() const +{ + return static_cast<Q3DCategoryAxis *>(d_ptr->m_shared->axisZ()); +} + +/*! + * Sets a user-defined value \a axis (the Y-axis). Implicitly calls addAxis() to transfer ownership + * of the \a axis to this graph. + * + * If the \a axis is null, a temporary default axis with no labels and automatically adjusting + * range is created. + * This temporary axis is destroyed if another \a axis is explicitly set to same orientation. + * + * \sa addAxis(), releaseAxis() + */ +void Q3DBars::setValueAxis(Q3DValueAxis *axis) +{ + d_ptr->m_shared->setAxisY(axis); +} + +/*! + * \return used value axis (Y-axis). + */ +Q3DValueAxis *Q3DBars::valueAxis() const +{ + return static_cast<Q3DValueAxis *>(d_ptr->m_shared->axisY()); +} + +/*! + * Adds \a axis to the graph. The axes added via addAxis are not yet taken to use, + * addAxis is simply used to give the ownership of the \a axis to the graph. + * The \a axis must not be null or added to another graph. + * + * \sa releaseAxis(), setValueAxis(), setRowAxis(), setColumnAxis() + */ +void Q3DBars::addAxis(Q3DAbstractAxis *axis) +{ + d_ptr->m_shared->addAxis(axis); +} + +/*! + * Releases the ownership of the \a axis back to the caller, if it is added to this graph. + * If the released \a axis is in use, a new default axis will be created and set active. + * + * If the default axis is released and added back later, it behaves as any other axis would. + * + * \sa addAxis(), setValueAxis(), setRowAxis(), setColumnAxis() + */ +void Q3DBars::releaseAxis(Q3DAbstractAxis *axis) +{ + d_ptr->m_shared->releaseAxis(axis); +} + +/*! + * \return list of all added axes. + * + * \sa addAxis() + */ +QList<Q3DAbstractAxis *> Q3DBars::axes() const +{ + return d_ptr->m_shared->axes(); +} + +/*! + * Sets the active data \a proxy. Implicitly calls addDataProxy() to transfer ownership of + * the \a proxy to this graph. + * + * If the \a proxy is null, a temporary default proxy is created and activated. + * This temporary proxy is destroyed if another \a proxy is explicitly set active via this method. + * + * \sa addDataProxy(), releaseDataProxy() + */ +void Q3DBars::setActiveDataProxy(QBarDataProxy *proxy) +{ + d_ptr->m_shared->setActiveDataProxy(proxy); +} + +/*! + * \return active data proxy. + */ +QBarDataProxy *Q3DBars::activeDataProxy() const +{ + return static_cast<QBarDataProxy *>(d_ptr->m_shared->activeDataProxy()); +} + +/*! + * Adds data \a proxy to the graph. The proxies added via addDataProxy are not yet taken to use, + * addDataProxy is simply used to give the ownership of the data \a proxy to the graph. + * The \a proxy must not be null or added to another graph. + * + * \sa releaseDataProxy(), setActiveDataProxy() + */ +void Q3DBars::addDataProxy(QBarDataProxy *proxy) +{ + d_ptr->m_shared->addDataProxy(proxy); +} + +/*! + * Releases the ownership of the data \a proxy back to the caller, if it is added to this graph. + * If the released \a proxy is in use, a new empty default proxy is created and taken to use. + * + * If the default \a proxy is released and added back later, it behaves as any other proxy would. + * + * \sa addDataProxy(), setActiveDataProxy() + */ +void Q3DBars::releaseDataProxy(QBarDataProxy *proxy) +{ + d_ptr->m_shared->releaseDataProxy(proxy); +} + +/*! + * \return list of all added data proxies. + * + * \sa addDataProxy() + */ +QList<QBarDataProxy *> Q3DBars::dataProxies() const +{ + QList<QBarDataProxy *> retList; + QList<QAbstractDataProxy *> abstractList = d_ptr->m_shared->dataProxies(); + foreach (QAbstractDataProxy *proxy, abstractList) + retList.append(static_cast<QBarDataProxy *>(proxy)); + + return retList; +} + +Q3DBarsPrivate::Q3DBarsPrivate(Q3DBars *q, QRect rect) + : q_ptr(q), + m_shared(new Bars3DController(rect)) +{ + QObject::connect(m_shared, &Abstract3DController::shadowQualityChanged, this, + &Q3DBarsPrivate::handleShadowQualityUpdate); +} + +Q3DBarsPrivate::~Q3DBarsPrivate() +{ + qDebug() << "Destroying Q3DBarsPrivate"; + delete m_shared; +} + +void Q3DBarsPrivate::handleShadowQualityUpdate(QDataVis::ShadowQuality quality) +{ + emit q_ptr->shadowQualityChanged(quality); +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/q3dbars.h b/src/datavisualization/engine/q3dbars.h new file mode 100644 index 00000000..d0ddf3fb --- /dev/null +++ b/src/datavisualization/engine/q3dbars.h @@ -0,0 +1,142 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef Q3DBARS_H +#define Q3DBARS_H + +#include <QtDataVisualization/qdatavisualizationenums.h> +#include <QtDataVisualization/q3dwindow.h> +#include <QFont> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DBarsPrivate; +class Q3DAbstractAxis; +class Q3DCategoryAxis; +class Q3DValueAxis; +class QBarDataProxy; +class Q3DScene; + +class QT_DATAVISUALIZATION_EXPORT Q3DBars : public Q3DWindow +{ + Q_OBJECT + Q_PROPERTY(QtDataVisualization::QDataVis::SelectionMode selectionMode READ selectionMode WRITE setSelectionMode) + Q_PROPERTY(QtDataVisualization::QDataVis::LabelStyle labelStyle READ labelStyle WRITE setLabelStyle) + Q_PROPERTY(QtDataVisualization::QDataVis::ShadowQuality shadowQuality READ shadowQuality WRITE setShadowQuality NOTIFY shadowQualityChanged) + Q_PROPERTY(qreal barThickness READ barThickness WRITE setBarThickness) + Q_PROPERTY(QSizeF barSpacing READ barSpacing WRITE setBarSpacing) + Q_PROPERTY(bool barSpacingRelative READ isBarSpacingRelative WRITE setBarSpacingRelative) + Q_PROPERTY(QString meshFileName READ meshFileName WRITE setMeshFileName) + Q_PROPERTY(QFont font READ font WRITE setFont) + Q_PROPERTY(bool gridVisible READ isGridVisible WRITE setGridVisible) + Q_PROPERTY(bool backgroundVisible READ isBackgroundVisible WRITE setBackgroundVisible) + Q_PROPERTY(QPoint selectedBarPos READ selectedBarPos WRITE setSelectedBarPos NOTIFY selectedBarPosChanged) + Q_PROPERTY(Q3DScene* scene READ scene) + + Q_ENUMS(QtDataVisualization::QDataVis::SelectionMode) + Q_ENUMS(QtDataVisualization::QDataVis::ShadowQuality) + Q_ENUMS(QtDataVisualization::QDataVis::LabelStyle) + Q_ENUMS(QtDataVisualization::QDataVis::CameraPreset) + +public: + explicit Q3DBars(); + ~Q3DBars(); + + void setBarType(QDataVis::MeshStyle style, bool smooth = false); + + void setTheme(QDataVis::Theme theme); + + void setBarThickness(qreal thicknessRatio); + qreal barThickness(); + + void setBarSpacing(QSizeF spacing); + QSizeF barSpacing(); + + void setBarSpacingRelative(bool relative); + bool isBarSpacingRelative(); + + void setBarColor(const QColor &baseColor, bool uniform = true); + QColor barColor() const; + + void setMeshFileName(const QString &objFileName); + QString meshFileName() const; + + void setSelectionMode(QDataVis::SelectionMode mode); + QDataVis::SelectionMode selectionMode() const; + + void setFont(const QFont &font); + QFont font() const; + + Q3DScene *scene() const; + + void setLabelStyle(QDataVis::LabelStyle style); + QDataVis::LabelStyle labelStyle() const; + + void setGridVisible(bool visible); + bool isGridVisible() const; + + void setWidth(const int width); + void setHeight(const int height); + + void setBackgroundVisible(bool visible); + bool isBackgroundVisible() const; + + void setSelectedBarPos(const QPoint &position); + QPoint selectedBarPos() const; + + void setShadowQuality(QDataVis::ShadowQuality quality); + QDataVis::ShadowQuality shadowQuality() const; + + void setRowAxis(Q3DCategoryAxis *axis); + Q3DCategoryAxis *rowAxis() const; + void setColumnAxis(Q3DCategoryAxis *axis); + Q3DCategoryAxis *columnAxis() const; + void setValueAxis(Q3DValueAxis *axis); + Q3DValueAxis *valueAxis() const; + void addAxis(Q3DAbstractAxis *axis); + void releaseAxis(Q3DAbstractAxis *axis); + QList<Q3DAbstractAxis *> axes() const; + + void setActiveDataProxy(QBarDataProxy *proxy); + QBarDataProxy *activeDataProxy() const; + void addDataProxy(QBarDataProxy *proxy); + void releaseDataProxy(QBarDataProxy *proxy); + QList<QBarDataProxy *> dataProxies() const; + +signals: + void shadowQualityChanged(QDataVis::ShadowQuality quality); + void selectedBarPosChanged(QPoint position); + +protected: + + void mouseDoubleClickEvent(QMouseEvent *event); + void touchEvent(QTouchEvent *event); + void mousePressEvent(QMouseEvent *event); + void mouseReleaseEvent(QMouseEvent *event); + void mouseMoveEvent(QMouseEvent *event); + void wheelEvent(QWheelEvent *event); + void resizeEvent(QResizeEvent *event); + +private: + QScopedPointer<Q3DBarsPrivate> d_ptr; + Q_DISABLE_COPY(Q3DBars) +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/engine/q3dbars_p.h b/src/datavisualization/engine/q3dbars_p.h new file mode 100644 index 00000000..653db606 --- /dev/null +++ b/src/datavisualization/engine/q3dbars_p.h @@ -0,0 +1,54 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef Q3DBARS_p_H +#define Q3DBARS_p_H + +#include "bars3dcontroller_p.h" +#include "qdatavisualizationenums.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DBars; + +class Q3DBarsPrivate : public QObject +{ +public: + Q3DBarsPrivate(Q3DBars *q, QRect rect); + ~Q3DBarsPrivate(); + + // Used to detect when shadow quality changes autonomously due to e.g. resizing. + void handleShadowQualityUpdate(QDataVis::ShadowQuality quality); + + Q3DBars *q_ptr; + Bars3DController *m_shared; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/engine/q3dbox.cpp b/src/datavisualization/engine/q3dbox.cpp new file mode 100644 index 00000000..43f3e90e --- /dev/null +++ b/src/datavisualization/engine/q3dbox.cpp @@ -0,0 +1,481 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "datavisualizationglobal_p.h" +#include "q3dbox.h" +#include <QtCore/QList> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + \class Q3DBox + \inmodule QtDataVisualization + \brief The Q3DBox class represents an axis-aligned box in 3D space. + \since 1.0.0 + + Q3DBox can be used to represent the bounding box of objects in a 3D + scene so that they can be easily culled if they are out of view. + + The sides of the box are always aligned with the x, y, and z axes of + the world co-ordinate system. Transforming a box with transformed() + will result in the smallest axis-aligned bounding box that contains + the transformed box. + + Boxes may be null, finite, or infinite. A null box does not occupy + any space and does not intersect with any other box. A finite + box consists of a minimum() and maximum() extent in 3D space. + An infinite box encompasses all points in 3D space. + + The extents of a finite box are also included within the box. + A box with minimum() and maximum() set to the same value + contains a single point. +*/ + +/*! + \fn Q3DBox::Q3DBox() + + Constructs a null box in 3D space. + + \sa isNull() +*/ + +/*! + \fn Q3DBox::Q3DBox(const QVector3D& corner1, const QVector3D& corner2) + + Constructs a finite box in 3D space from \a corner1 to \a corner2. + The minimum() and maximum() co-ordinates of the new box are set + to the minimum and maximum x, y, and z values from \a corner1 and + \a corner2. The \a corner1 and \a corner2 values can be any two + opposite corners that define the box. + + \sa isFinite(), minimum(), maximum() +*/ + +/*! + \fn bool Q3DBox::isNull() const + + Returns true if this box is null; false otherwise. + + \sa isFinite(), isInfinite(), setToNull() +*/ + +/*! + \fn bool Q3DBox::isFinite() const + + Returns true if this box is finite in size; false otherwise. + + \sa isNull(), isInfinite(), setExtents() +*/ + +/*! + \fn bool Q3DBox::isInfinite() const + + Returns true if this box is infinite in size; false otherwise. + + \sa isNull(), isFinite(), setToInfinite() +*/ + +/*! + \fn QVector3D Q3DBox::minimum() const + + Returns the minimum corner of this box. + + \sa maximum(), setExtents() +*/ + +/*! + \fn QVector3D Q3DBox::maximum() const + + Returns the maximum corner of this box. + + \sa minimum(), setExtents() +*/ + +/*! + \fn void Q3DBox::setExtents(const QVector3D& corner1, const QVector3D& corner2) + + Sets the extents of this box to a finite region from \a corner1 to + \a corner2. The minimum() and maximum() co-ordinates of the box are + set to the minimum and maximum x, y, and z values from \a corner1 and + \a corner2. The \a corner1 and \a corner2 values can be any two + opposite corners that define the box. + + \sa minimum(), maximum() +*/ + +/*! + \fn void Q3DBox::setToNull() + + Sets this box to null. + + \sa isNull() +*/ + +/*! + \fn void Q3DBox::setToInfinite() + + Sets this box to be infinite in size. + + \sa isInfinite() +*/ + +/*! + \fn QVector3D Q3DBox::size() const + + Returns the finite size of this box. If this box is null or + infinite, the returned value will be zero. + + \sa center(), isNull(), isInfinite() +*/ + +/*! + \fn QVector3D Q3DBox::center() const + + Returns the finite center of this box. If this box is null + or infinite, the returned value will be zero. + + \sa size(), isNull(), isInfinite() +*/ + +/*! + \fn bool Q3DBox::contains(const QVector3D& point) const + + Returns true if this box contains \a point; false otherwise. + Null boxes do not contain any points and infinite boxes contain + all points. + + Containment is not a strict test: the point is contained if it + lies on one of the faces of the box. + + \sa intersects() +*/ + +/*! + \fn bool Q3DBox::contains(const Q3DBox& box) const + + Returns true if this box completely contains \a box. If this box + is null, then it will not contain \a box. If this box is infinite, + and \a box is not null, then \a box will be contained within this box. + If \a box is infinite, then this box must also be infinite to contain it. + + \sa intersects() +*/ + +/*! + Returns true if \a box intersects this box; false otherwise. + + \sa intersect(), intersected(), contains() +*/ +bool Q3DBox::intersects(const Q3DBox& box) const +{ + if (boxtype == Null) + return false; + else if (boxtype == Infinite) + return box.boxtype != Null; + else if (box.boxtype == Null) + return false; + else if (box.boxtype == Infinite) + return true; + + if (maxcorner.x() < box.mincorner.x()) + return false; + if (mincorner.x() > box.maxcorner.x()) + return false; + + if (maxcorner.y() < box.mincorner.y()) + return false; + if (mincorner.y() > box.maxcorner.y()) + return false; + + if (maxcorner.z() < box.mincorner.z()) + return false; + if (mincorner.z() > box.maxcorner.z()) + return false; + + return true; +} + +/*! + Intersects this box with \a box. + + \sa intersected(), intersects(), unite() +*/ +void Q3DBox::intersect(const Q3DBox& box) +{ + // Handle the simple cases first. + if (boxtype == Null) { + // Null intersected with anything is null. + return; + } else if (boxtype == Infinite) { + // Infinity intersected with a box is that box. + *this = box; + return; + } else if (box.boxtype == Null) { + // Anything intersected with null is null. + setToNull(); + return; + } else if (box.boxtype == Infinite) { + // Box intersected with infinity is the box. + return; + } + + // Intersect two finite boxes. + QVector3D min1 = mincorner; + QVector3D max1 = maxcorner; + QVector3D min2 = box.mincorner; + QVector3D max2 = box.maxcorner; + if (min2.x() > min1.x()) + min1.setX(min2.x()); + if (min2.y() > min1.y()) + min1.setY(min2.y()); + if (min2.z() > min1.z()) + min1.setZ(min2.z()); + if (max2.x() < max1.x()) + max1.setX(max2.x()); + if (max2.y() < max1.y()) + max1.setY(max2.y()); + if (max2.z() < max1.z()) + max1.setZ(max2.z()); + if (min1.x() > max1.x() || min1.y() > max1.y() || min1.z() > max1.z()) { + setToNull(); + } else { + mincorner = min1; + maxcorner = max1; + } +} + +/*! + Returns a new box which is the intersection of this box with \a box. + + \sa intersect(), intersects(), united() +*/ +Q3DBox Q3DBox::intersected(const Q3DBox& box) const +{ + Q3DBox result(*this); + result.intersect(box); + return result; +} + +/*! + Unites this box with \a point by expanding it to encompass \a point. + If \a point is already contained within this box, then this box + will be unchanged. + + \sa united(), intersect() +*/ +void Q3DBox::unite(const QVector3D& point) +{ + if (boxtype == Finite) { + if (point.x() < mincorner.x()) + mincorner.setX(point.x()); + else if (point.x() > maxcorner.x()) + maxcorner.setX(point.x()); + if (point.y() < mincorner.y()) + mincorner.setY(point.y()); + else if (point.y() > maxcorner.y()) + maxcorner.setY(point.y()); + if (point.z() < mincorner.z()) + mincorner.setZ(point.z()); + else if (point.z() > maxcorner.z()) + maxcorner.setZ(point.z()); + } else if (boxtype == Null) { + boxtype = Finite; + mincorner = point; + maxcorner = point; + } +} + +/*! + Unites this box with \a box by expanding this box to encompass the + region defined by \a box. If \a box is already contained within + this box, then this box will be unchanged. + + \sa united(), intersect() +*/ +void Q3DBox::unite(const Q3DBox& box) +{ + if (box.boxtype == Finite) { + unite(box.minimum()); + unite(box.maximum()); + } else if (box.boxtype == Infinite) { + setToInfinite(); + } +} + +/*! + Returns a new box which unites this box with \a point. The returned + value will be the smallest box that contains both this box and \a point. + + \sa unite(), intersected() +*/ +Q3DBox Q3DBox::united(const QVector3D& point) const +{ + if (boxtype == Finite) { + Q3DBox result(*this); + result.unite(point); + return result; + } else if (boxtype == Null) { + return Q3DBox(point, point); + } else { + return *this; + } +} + +/*! + Returns a new box which unites this box with \a box. The returned value + will be the smallest box that contains both this box and \a box. + + \sa unite(), intersected() +*/ +Q3DBox Q3DBox::united(const Q3DBox& box) const +{ + if (boxtype == Finite) { + Q3DBox result(*this); + result.unite(box); + return result; + } else if (boxtype == Null) { + return box; + } else { + return *this; + } +} + +/*! + Transforms this box according to \a matrix. Each of the 8 box + corners are transformed and then a new box that encompasses all + of the transformed corner values is created. + + \sa transformed() +*/ +void Q3DBox::transform(const QMatrix4x4& matrix) +{ + *this = transformed(matrix); +} + +/*! + Returns this box transformed by \a matrix. Each of the 8 box + corners are transformed and then a new box that encompasses all + of the transformed corner values is returned. + + \sa transform() +*/ +Q3DBox Q3DBox::transformed(const QMatrix4x4& matrix) const +{ + if (boxtype != Finite) + return *this; + Q3DBox result; + result.unite(matrix * mincorner); + result.unite(matrix * QVector3D(mincorner.x(), mincorner.y(), maxcorner.z())); + result.unite(matrix * QVector3D(mincorner.x(), maxcorner.y(), maxcorner.z())); + result.unite(matrix * QVector3D(mincorner.x(), maxcorner.y(), mincorner.z())); + result.unite(matrix * QVector3D(maxcorner.x(), mincorner.y(), mincorner.z())); + result.unite(matrix * QVector3D(maxcorner.x(), maxcorner.y(), mincorner.z())); + result.unite(matrix * QVector3D(maxcorner.x(), mincorner.y(), maxcorner.z())); + result.unite(matrix * maxcorner); + return result; +} + +/*! + \fn bool Q3DBox::operator==(const Q3DBox& box) const + + Returns true if this box is identical to \a box. +*/ + +/*! + \fn bool Q3DBox::operator!=(const Q3DBox& box) const + + Returns true if this box is not identical to \a box. +*/ + +/*! + \fn bool qFuzzyCompare(const Q3DBox& box1, const Q3DBox& box2) + \relates Q3DBox + + Returns true if \a box1 and \a box2 are almost equal; false otherwise. +*/ + +#ifndef QT_NO_DEBUG_STREAM + +QDebug operator<<(QDebug dbg, const Q3DBox &box) +{ + if (box.isFinite()) { + dbg.nospace() << "Q3DBox((" + << box.minimum().x() << ", " << box.minimum().y() << ", " + << box.minimum().z() << ") - (" + << box.maximum().x() << ", " << box.maximum().y() << ", " + << box.maximum().z() << "))"; + return dbg.space(); + } else if (box.isNull()) { + dbg << "Q3DBox(null)"; + return dbg; + } else { + dbg << "Q3DBox(infinite)"; + return dbg; + } +} + +#endif + +#ifndef QT_NO_DATASTREAM + +/*! + \relates Q3DBox + + Writes the given \a box to the given \a stream and returns a + reference to the stream. +*/ +QDataStream &operator<<(QDataStream &stream, const Q3DBox &box) +{ + if (box.isNull()) { + stream << int(0); + } else if (box.isInfinite()) { + stream << int(2); + } else { + stream << int(1); + stream << box.minimum(); + stream << box.maximum(); + } + return stream; +} + +/*! + \relates Q3DBox + + Reads a 3D box from the given \a stream into the given \a box + and returns a reference to the stream. +*/ +QDataStream &operator>>(QDataStream &stream, Q3DBox &box) +{ + int type; + stream >> type; + if (type == 1) { + QVector3D minimum, maximum; + stream >> minimum; + stream >> maximum; + box = Q3DBox(minimum, maximum); + } else if (type == 2) { + box.setToInfinite(); + } else { + box.setToNull(); + } + return stream; +} + +#endif // QT_NO_DATASTREAM + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/q3dbox.h b/src/datavisualization/engine/q3dbox.h new file mode 100644 index 00000000..aa63ec39 --- /dev/null +++ b/src/datavisualization/engine/q3dbox.h @@ -0,0 +1,184 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef Q3DBOX_H +#define Q3DBOX_H + +#include <QtDataVisualization/qdatavisualizationenums.h> +#include <QtGui/QMatrix4x4> +#include <QtGui/QVector3D> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DBox; // Needed to circumvent an issue with qdoc. If this line is removed, make docs will not work for this. + +class QT_DATAVISUALIZATION_EXPORT Q3DBox +{ +public: + Q3DBox(); + Q3DBox(const QVector3D& corner1, const QVector3D& corner2); + + bool isNull() const; + bool isFinite() const; + bool isInfinite() const; + + QVector3D minimum() const; + QVector3D maximum() const; + void setExtents(const QVector3D& corner1, const QVector3D& corner2); + + void setToNull(); + void setToInfinite(); + + QVector3D size() const; + QVector3D center() const; + + bool contains(const QVector3D& point) const; + bool contains(const Q3DBox& box) const; + + bool intersects(const Q3DBox& box) const; + void intersect(const Q3DBox& box); + Q3DBox intersected(const Q3DBox& box) const; + + void unite(const QVector3D& point); + void unite(const Q3DBox& box); + + Q3DBox united(const QVector3D& point) const; + Q3DBox united(const Q3DBox& box) const; + + void transform(const QMatrix4x4& matrix); + Q3DBox transformed(const QMatrix4x4& matrix) const; + + bool operator==(const Q3DBox& box) const; + bool operator!=(const Q3DBox& box) const; + + friend bool qFuzzyCompare(const Q3DBox& box1, const Q3DBox& box2); + +private: + enum Type + { + Null, + Finite, + Infinite + }; + + Q3DBox::Type boxtype; + QVector3D mincorner, maxcorner; +}; + +inline Q3DBox::Q3DBox() : boxtype(Null), mincorner(0, 0, 0), maxcorner(0, 0, 0) {} + +inline Q3DBox::Q3DBox(const QVector3D& corner1, const QVector3D& corner2) + : boxtype(Finite), + mincorner(qMin(corner1.x(), corner2.x()), + qMin(corner1.y(), corner2.y()), + qMin(corner1.z(), corner2.z())), + maxcorner(qMax(corner1.x(), corner2.x()), + qMax(corner1.y(), corner2.y()), + qMax(corner1.z(), corner2.z())) {} + +inline bool Q3DBox::isNull() const { return (boxtype == Null); } +inline bool Q3DBox::isFinite() const { return (boxtype == Finite); } +inline bool Q3DBox::isInfinite() const { return (boxtype == Infinite); } + +inline QVector3D Q3DBox::minimum() const { return mincorner; } +inline QVector3D Q3DBox::maximum() const { return maxcorner; } + +inline void Q3DBox::setExtents(const QVector3D& corner1, const QVector3D& corner2) +{ + boxtype = Finite; + mincorner = QVector3D(qMin(corner1.x(), corner2.x()), + qMin(corner1.y(), corner2.y()), + qMin(corner1.z(), corner2.z())); + maxcorner = QVector3D(qMax(corner1.x(), corner2.x()), + qMax(corner1.y(), corner2.y()), + qMax(corner1.z(), corner2.z())); +} + +inline void Q3DBox::setToNull() +{ + boxtype = Null; + mincorner = QVector3D(0, 0, 0); + maxcorner = QVector3D(0, 0, 0); +} + +inline void Q3DBox::setToInfinite() +{ + boxtype = Infinite; + mincorner = QVector3D(0, 0, 0); + maxcorner = QVector3D(0, 0, 0); +} + +inline QVector3D Q3DBox::size() const { return maxcorner - mincorner; } +inline QVector3D Q3DBox::center() const { return (mincorner + maxcorner) * 0.5f; } + +inline bool Q3DBox::contains(const QVector3D& point) const +{ + if (boxtype == Finite) { + return (point.x() >= mincorner.x() && point.x() <= maxcorner.x() && + point.y() >= mincorner.y() && point.y() <= maxcorner.y() && + point.z() >= mincorner.z() && point.z() <= maxcorner.z()); + } else if (boxtype == Infinite) { + return true; + } else { + return false; + } +} + +inline bool Q3DBox::contains(const Q3DBox& box) const +{ + if (box.boxtype == Finite) + return contains(box.mincorner) && contains(box.maxcorner); + else if (box.boxtype == Infinite) + return (boxtype == Infinite); + else + return false; +} + +inline bool Q3DBox::operator==(const Q3DBox& box) const +{ + return (boxtype == box.boxtype && + mincorner == box.mincorner && + maxcorner == box.maxcorner); +} + +inline bool Q3DBox::operator!=(const Q3DBox& box) const +{ + return (boxtype != box.boxtype || + mincorner != box.mincorner || + maxcorner != box.maxcorner); +} + +inline bool qFuzzyCompare(const Q3DBox& box1, const Q3DBox& box2) +{ + return box1.boxtype == box2.boxtype && + qFuzzyCompare(box1.mincorner, box2.mincorner) && + qFuzzyCompare(box1.maxcorner, box2.maxcorner); +} + +#ifndef QT_NO_DEBUG_STREAM +QT_DATAVISUALIZATION_EXPORT QDebug operator<<(QDebug dbg, const Q3DBox &box); +#endif + +#ifndef QT_NO_DATASTREAM +QT_DATAVISUALIZATION_EXPORT QDataStream &operator<<(QDataStream &stream, const Q3DBox &box); +QT_DATAVISUALIZATION_EXPORT QDataStream &operator>>(QDataStream &stream, Q3DBox &box); +#endif + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/engine/q3dcamera.cpp b/src/datavisualization/engine/q3dcamera.cpp new file mode 100644 index 00000000..571af1d7 --- /dev/null +++ b/src/datavisualization/engine/q3dcamera.cpp @@ -0,0 +1,698 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "q3dcamera.h" +#include "q3dcamera_p.h" +#include "q3dscene.h" +#include "q3dbox.h" +#include "q3dobject.h" +#include "utils_p.h" + +#include <qmath.h> +#include <QVector3D> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + \class Q3DCamera + \inmodule QtDataVisualization + \brief Representation of a camera in 3D space. + \since 1.0.0 + + Q3DCamera represents a basic orbit around centerpoint 3D camera that is used when rendering the data visualization. + The class offers simple methods for setting the orbit point in rotations, but allows also setting the 4x4 viewmatrix + directly in case a more customized camera behavior is needed. +*/ + +/*! + * Constructs a new 3D camera with position set to origo, up direction facing towards the Y-axis and looking at origo by default. An + * optional \a parent parameter can be given and is then passed to QObject constructor. + */ +Q3DCamera::Q3DCamera(QObject *parent) : + Q3DObject(parent), + d_ptr(new Q3DCameraPrivate(this)) +{ +} + +/*! + * Destroys the camera object. + */ +Q3DCamera::~Q3DCamera() +{ +} + +/*! + * Copies the 3D camera's properties from the given source camera. + * Values are copied from the \a source to this object. + */ +void Q3DCamera::copyValuesFrom(const Q3DCamera &source) +{ + Q3DObject::copyValuesFrom(source); + + d_ptr->m_target.setX(source.d_ptr->m_target.x()); + d_ptr->m_target.setY(source.d_ptr->m_target.y()); + d_ptr->m_target.setZ(source.d_ptr->m_target.z()); + + d_ptr->m_up.setX(source.d_ptr->m_up.x()); + d_ptr->m_up.setY(source.d_ptr->m_up.y()); + d_ptr->m_up.setZ(source.d_ptr->m_up.z()); + + float *values = new float[16]; + source.d_ptr->m_viewMatrix.copyDataTo(values); + d_ptr->m_viewMatrix = QMatrix4x4(values); + delete[] values; + + d_ptr->m_xRotation = source.d_ptr->m_xRotation; + d_ptr->m_yRotation = source.d_ptr->m_yRotation; + + d_ptr->m_minXRotation = source.d_ptr->m_minXRotation; + d_ptr->m_minYRotation = source.d_ptr->m_minYRotation; + d_ptr->m_maxXRotation = source.d_ptr->m_maxXRotation; + d_ptr->m_maxYRotation = source.d_ptr->m_maxYRotation; + + d_ptr->m_wrapXRotation = source.d_ptr->m_wrapXRotation; + d_ptr->m_wrapYRotation = source.d_ptr->m_wrapYRotation; + + d_ptr->m_zoomLevel = source.d_ptr->m_zoomLevel; + d_ptr->m_activePreset = source.d_ptr->m_activePreset; +} + +/*! + * \property Q3DCamera::xRotation + * + * This property contains the X-rotation angle of the camera around the target point in degrees starting from + * the current base position set by the setBaseOrientation() methods. + */ +qreal Q3DCamera::xRotation() const { + return d_ptr->m_xRotation; +} + +void Q3DCamera::setXRotation(qreal rotation) +{ + if (d_ptr->m_wrapXRotation) + rotation = Utils::wrapValue(rotation, d_ptr->m_minXRotation, d_ptr->m_maxXRotation); + else + rotation = qBound(qreal(d_ptr->m_minXRotation), qreal(rotation), qreal(d_ptr->m_maxXRotation)); + + if (d_ptr->m_xRotation != rotation) { + d_ptr->setXRotation(rotation); + if (d_ptr->m_activePreset != QDataVis::CameraPresetNone) { + d_ptr->m_activePreset = QDataVis::CameraPresetNone; + setDirty(true); + } + + emit xRotationChanged(d_ptr->m_xRotation); + } +} + +/*! + * \property Q3DCamera::yRotation + * + * This property contains the Y-rotation angle of the camera around the target point in degrees starting from + * the current base position set by the setBaseOrientation() methods. + */ +qreal Q3DCamera::yRotation() const { + return d_ptr->m_yRotation; +} + +void Q3DCamera::setYRotation(qreal rotation) +{ + if (d_ptr->m_wrapYRotation) + rotation = Utils::wrapValue(rotation, d_ptr->m_minYRotation, d_ptr->m_maxYRotation); + else + rotation = qBound(qreal(d_ptr->m_minYRotation), qreal(rotation), qreal(d_ptr->m_maxYRotation)); + + if (d_ptr->m_yRotation != rotation) { + d_ptr->setYRotation(rotation); + if (d_ptr->m_activePreset != QDataVis::CameraPresetNone) { + d_ptr->m_activePreset = QDataVis::CameraPresetNone; + setDirty(true); + } + + emit yRotationChanged(d_ptr->m_yRotation); + } +} + +/*! + * \property Q3DCamera::minXRotation + * + * This property contains the current minimum X-rotation for the camera. + * The full circle range is [-180,180] and the minimum value is limited to -180. + * Also the value can't be higher than maximum, and is adjusted if necessary. + * + * \sa wrapXRotation, maxXRotation + */ +qreal Q3DCamera::minXRotation() const +{ + return d_ptr->m_minXRotation; +} + +/*! + * \internal + */ +void Q3DCamera::setMinXRotation(qreal minRotation) +{ + minRotation = qBound(-180.0, minRotation, 180.0); + if (minRotation > d_ptr->m_maxXRotation) + minRotation = d_ptr->m_maxXRotation; + + if (d_ptr->m_minXRotation != minRotation) { + d_ptr->m_minXRotation = minRotation; + emit minXRotationChanged(minRotation); + + if (d_ptr->m_xRotation < d_ptr->m_minXRotation) + setXRotation(d_ptr->m_xRotation); + } +} + +/*! + * \property Q3DCamera::minYRotation + * + * This property contains the current minimum Y-rotation for the camera. + * The full Y angle range is [-90,90] and the minimum value is limited to -90. + * Also the value can't be higher than maximum, and is adjusted if necessary. + * + * \sa wrapYRotation, maxYRotation + */ +qreal Q3DCamera::minYRotation() const +{ + return d_ptr->m_minYRotation; +} + +/*! + * \internal + */ +void Q3DCamera::setMinYRotation(qreal minRotation) +{ + minRotation = qBound(-90.0, minRotation, 90.0); + if (minRotation > d_ptr->m_maxYRotation) + minRotation = d_ptr->m_maxYRotation; + + if (d_ptr->m_minYRotation != minRotation) { + d_ptr->m_minYRotation = minRotation; + emit minYRotationChanged(minRotation); + + if (d_ptr->m_yRotation < d_ptr->m_minYRotation) + setYRotation(d_ptr->m_yRotation); + } +} + +/*! + * \property Q3DCamera::maxXRotation + * + * This property contains the current maximum X-rotation for the camera. + * The full circle range is [-180,180] and the maximum value is limited to 180. + * Also the value can't be lower than minimum, and is adjusted if necessary. + * + * \sa wrapXRotation, minXRotation + */ +qreal Q3DCamera::maxXRotation() const +{ + return d_ptr->m_maxXRotation; +} + +/*! + * \internal + */ +void Q3DCamera::setMaxXRotation(qreal maxRotation) +{ + maxRotation = qBound(-180.0, maxRotation, 180.0); + + if (maxRotation < d_ptr->m_minXRotation) + maxRotation = d_ptr->m_minXRotation; + + if (d_ptr->m_maxXRotation != maxRotation) { + d_ptr->m_maxXRotation = maxRotation; + emit maxXRotationChanged(maxRotation); + + if (d_ptr->m_xRotation > d_ptr->m_maxXRotation) + setXRotation(d_ptr->m_xRotation); + } +} + +/*! + * \property Q3DCamera::maxYRotation + * + * This property contains the current maximum Y-rotation for the camera. + * The full Y angle range is [-90,90] and the maximum value is limited to 90. + * Also the value can't be lower than minimum, and is adjusted if necessary. + * + * \sa wrapYRotation, minYRotation + */ +qreal Q3DCamera::maxYRotation() const +{ + return d_ptr->m_maxYRotation; +} + +/*! + * \internal + */ +void Q3DCamera::setMaxYRotation(qreal maxRotation) +{ + maxRotation = qBound(-90.0, maxRotation, 90.0); + + if (maxRotation < d_ptr->m_minYRotation) + maxRotation = d_ptr->m_minYRotation; + + if (d_ptr->m_maxYRotation != maxRotation) { + d_ptr->m_maxYRotation = maxRotation; + emit maxYRotationChanged(maxRotation); + + if (d_ptr->m_yRotation > d_ptr->m_maxYRotation) + setYRotation(d_ptr->m_yRotation); + } +} + +/*! + * Sets the base values for the camera that are used when calculating the camera position using the rotation values. + * The base position of the camera is defined by \a basePosition, expectation is that the x and y values are 0. + * Look at target point is defined by \a target and the camera rotates around it. Up direction for the camera is + * defined by \a baseUp, normally this is a vector with only y values set to 1. + */ +void Q3DCamera::setBaseOrientation(const QVector3D &basePosition, + const QVector3D &target, + const QVector3D &baseUp) +{ + if (position() != basePosition + || d_ptr->m_target != target + || d_ptr->m_up != baseUp) { + setPosition(basePosition); + d_ptr->m_target = target; + d_ptr->m_up = baseUp; + setDirty(true); + } +} + +/*! + * \property Q3DCamera::viewMatrix + * + * This property contains the view matrix used in the 3D calculations. When the default orbiting camera behavior is sufficient + * there is no need to touch this property. But if the default behavior is insufficient the view matrix can be set directly. + * When setting the view matrix directly remember to set Q3DCamera::viewMatrixAutoUpdateEnabled to false. + */ +QMatrix4x4 Q3DCamera::viewMatrix() const +{ + return d_ptr->m_viewMatrix; +} + +void Q3DCamera::setViewMatrix(const QMatrix4x4 &viewMatrix) +{ + if (d_ptr->m_viewMatrix != viewMatrix) { + d_ptr->m_viewMatrix = viewMatrix; + setDirty(true); + emit viewMatrixChanged(d_ptr->m_viewMatrix); + } +} + +/*! + * \property Q3DCamera::viewMatrixAutoUpdateEnabled + * + * This property determines if view matrix is automatically updated each render cycle using the current base orientation and + * rotations. If set to false, no automatic recalculation is done and the view matrix can be set using the + * Q3DMatrix::viewMatrix property. + */ +bool Q3DCamera::isViewMatrixAutoUpdateEnabled() +{ + return d_ptr->m_isViewMatrixUpdateActive; +} + +void Q3DCamera::setViewMatrixAutoUpdateEnabled(bool isEnabled) +{ + d_ptr->m_isViewMatrixUpdateActive = isEnabled; + emit viewMatrixAutoUpdateChanged(isEnabled); +} + +/*! + * \property Q3DCamera::cameraPreset + * + * This property contains the currently active camera preset, + * if no preset is active the value is QDataVis::CameraPresetNone. + * \note The base camera orientation set by setBaseOrientation() will affect + * the presets as all calculations are based on those values. + */ +QDataVis::CameraPreset Q3DCamera::cameraPreset() +{ + return d_ptr->m_activePreset; +} + +void Q3DCamera::setCameraPreset(QDataVis::CameraPreset preset) +{ + switch (preset) { + case QDataVis::CameraPresetFrontLow: { + setXRotation(0.0); + setYRotation(0.0); + break; + } + case QDataVis::CameraPresetFront: { + setXRotation(0.0); + setYRotation(22.5); + break; + } + case QDataVis::CameraPresetFrontHigh: { + setXRotation(0.0); + setYRotation(45.0); + break; + } + case QDataVis::CameraPresetLeftLow: { + setXRotation(90.0); + setYRotation(0.0); + break; + } + case QDataVis::CameraPresetLeft: { + setXRotation(90.0); + setYRotation(22.5); + break; + } + case QDataVis::CameraPresetLeftHigh: { + setXRotation(90.0); + setYRotation(45.0); + break; + } + case QDataVis::CameraPresetRightLow: { + setXRotation(-90.0); + setYRotation(0.0); + break; + } + case QDataVis::CameraPresetRight: { + setXRotation(-90.0); + setYRotation(22.5); + break; + } + case QDataVis::CameraPresetRightHigh: { + setXRotation(-90.0); + setYRotation(45.0); + break; + } + case QDataVis::CameraPresetBehindLow: { + setXRotation(180.0); + setYRotation(0.0); + break; + } + case QDataVis::CameraPresetBehind: { + setXRotation(180.0); + setYRotation(22.5); + break; + } + case QDataVis::CameraPresetBehindHigh: { + setXRotation(180.0); + setYRotation(45.0); + break; + } + case QDataVis::CameraPresetIsometricLeft: { + setXRotation(45.0); + setYRotation(22.5); + break; + } + case QDataVis::CameraPresetIsometricLeftHigh: { + setXRotation(45.0); + setYRotation(45.0); + break; + } + case QDataVis::CameraPresetIsometricRight: { + setXRotation(-45.0); + setYRotation(22.5); + break; + } + case QDataVis::CameraPresetIsometricRightHigh: { + setXRotation(-45.0); + setYRotation(45.0); + break; + } + case QDataVis::CameraPresetDirectlyAbove: { + setXRotation(0.0); + setYRotation(90.0); + break; + } + case QDataVis::CameraPresetDirectlyAboveCW45: { + setXRotation(-45.0); + setYRotation(90.0); + break; + } + case QDataVis::CameraPresetDirectlyAboveCCW45: { + setXRotation(45.0); + setYRotation(90.0); + break; + } + case QDataVis::CameraPresetFrontBelow: { + setXRotation(0.0); + setYRotation(-45.0); + break; + } + case QDataVis::CameraPresetLeftBelow: { + setXRotation(90.0); + setYRotation(-45.0); + break; + } + case QDataVis::CameraPresetRightBelow: { + setXRotation(-90.0); + setYRotation(-45.0); + break; + } + case QDataVis::CameraPresetBehindBelow: { + setXRotation(180.0); + setYRotation(-45.0); + break; + } + case QDataVis::CameraPresetDirectlyBelow: { + setXRotation(0.0); + setYRotation(-90.0); + break; + } + default: + preset = QDataVis::CameraPresetNone; + break; + } + + if (d_ptr->m_activePreset != preset) { + d_ptr->m_activePreset = preset; + setDirty(true); + emit cameraPresetChanged(preset); + } +} + +/*! + * \property Q3DCamera::zoomLevel + * + * This property contains the the camera zoom level in percentages. + * 100% means there is no zoom in or out set in the camera. + */ +int Q3DCamera::zoomLevel() +{ + return d_ptr->m_zoomLevel; +} + +void Q3DCamera::setZoomLevel(int zoomLevel) +{ + if (d_ptr->m_zoomLevel != zoomLevel) { + d_ptr->m_zoomLevel = zoomLevel; + setDirty(true); + emit zoomLevelChanged(zoomLevel); + } +} + +/*! + * Calculates and returns a position relative to the camera using the given parameters + * and the current camera viewMatrix property. + * \a relativePosition defines the relative 3D offset to the current camera position. + * \a fixedRotation is optional, if given fixes rotation of the calculated point around the data visualization area to the given value in degrees. + * \a distanceModifier is also optional, if given modifies the distance of the calculated point from the data visualization. + * \return Calculated position relative to this camera's position. + */ +QVector3D Q3DCamera::calculatePositionRelativeToCamera(const QVector3D &relativePosition, + qreal fixedRotation, + qreal distanceModifier) const +{ + // Move the position with camera + GLfloat radiusFactor = relativePosition.z() * (1.5f + distanceModifier); + GLfloat xAngle; + GLfloat yAngle; + if (!fixedRotation) { + xAngle = qDegreesToRadians(d_ptr->m_xRotation); + yAngle = qDegreesToRadians(d_ptr->m_yRotation); + } else { + xAngle = qDegreesToRadians(fixedRotation); + yAngle = 0; + } + GLfloat radius = (radiusFactor + relativePosition.y()); // set radius to match the highest height of the position + GLfloat zPos = radius * qCos(xAngle) * qCos(yAngle); + GLfloat xPos = radius * qSin(xAngle) * qCos(yAngle); + GLfloat yPos = (radiusFactor + relativePosition.y()) * qSin(yAngle); + // Keep in the set position in relation to camera + return QVector3D(-xPos + relativePosition.x(), + yPos + relativePosition.y(), + zPos + relativePosition.z()); +} + +/*! + * \property Q3DCamera::wrapXRotation + * + * This property determines the behavior of the minimum and maximum limits in the X-rotation. + * By default the X-rotation wraps from minimum value to maximum and from maximum to minimum. + * + * If set to true the X-rotation of the camera is wrapped from minimum to maximum and from maximum to minimum. + * If set to false the X-rotation of the camera is limited to the sector determined by minimum and maximum values. + */ +bool Q3DCamera::wrapXRotation() const +{ + return d_ptr->m_wrapXRotation; +} + +void Q3DCamera::setWrapXRotation(bool isEnabled) +{ + d_ptr->m_wrapXRotation = isEnabled; +} + +/*! + * \property Q3DCamera::wrapYRotation + * + * This property determines the behavior of the minimum and maximum limits in the Y-rotation. + * By default the Y-rotation is limited between the minimum and maximum values without any wrapping. + * + * If true the Y-rotation of the camera is wrapped from minimum to maximum and from maximum to minimum. + * If false the Y-rotation of the camera is limited to the sector determined by minimum and maximum values. + */ +bool Q3DCamera::wrapYRotation() const +{ + return d_ptr->m_wrapYRotation; +} + +void Q3DCamera::setWrapYRotation(bool isEnabled) +{ + d_ptr->m_wrapYRotation = isEnabled; +} + +/*! + * Utility function that sets the camera rotations and distance.\a horizontal and \a vertical define the camera rotations to be used. + * Optional \a zoom parameter can be given to set the zoom of the camera in range of 10-500%. + */ +void Q3DCamera::setCameraPosition(qreal horizontal, qreal vertical, qreal zoom) +{ + setZoomLevel(qBound(10.0, zoom, 500.0)); + setXRotation(horizontal); + setYRotation(vertical); +} + +Q3DCameraPrivate::Q3DCameraPrivate(Q3DCamera *q) : + q_ptr(q), + m_isViewMatrixUpdateActive(true), + m_xRotation(0.0), + m_yRotation(0.0), + m_minXRotation(-180.0), + m_minYRotation(0.0), + m_maxXRotation(180.0), + m_maxYRotation(90.0), + m_wrapXRotation(true), + m_wrapYRotation(false), + m_zoomLevel(100), + m_activePreset(QDataVis::CameraPresetNone) +{ +} + +Q3DCameraPrivate::~Q3DCameraPrivate() +{ +} + +// Copies changed values from this camera to the other camera. If the other camera had same changes, +// those changes are discarded. +void Q3DCameraPrivate::sync(Q3DCamera &other) +{ + if (q_ptr->isDirty()) { + other.copyValuesFrom(*q_ptr); + q_ptr->setDirty(false); + other.setDirty(false); + } +} + +void Q3DCameraPrivate::setXRotation(const qreal rotation) +{ + if (m_xRotation != rotation) { + m_xRotation = rotation; + q_ptr->setDirty(true); + } +} + +void Q3DCameraPrivate::setYRotation(const qreal rotation) +{ + if (m_yRotation != rotation) { + m_yRotation = rotation; + q_ptr->setDirty(true); + } +} + +void Q3DCameraPrivate::setMinXRotation(const qreal rotation) +{ + if (m_minXRotation != rotation) { + m_minXRotation = rotation; + q_ptr->setDirty(true); + } +} + +void Q3DCameraPrivate::setMinYRotation(const qreal rotation) +{ + if (m_minYRotation != rotation) { + m_minYRotation = rotation; + q_ptr->setDirty(true); + } +} + +void Q3DCameraPrivate::setMaxXRotation(const qreal rotation) +{ + if (m_maxXRotation != rotation) { + m_maxXRotation = rotation; + q_ptr->setDirty(true); + } +} + +void Q3DCameraPrivate::setMaxYRotation(const qreal rotation) +{ + if (m_maxYRotation != rotation) { + m_maxYRotation = rotation; + q_ptr->setDirty(true); + } +} + +// Recalculates the view matrix based on the currently set base orientation, rotation and zoom level values. +// zoomAdjustment is adjustment to ensure that the 3D visualization stays inside the view area in the 100% zoom. +void Q3DCameraPrivate::updateViewMatrix(qreal zoomAdjustment) +{ + if (!m_isViewMatrixUpdateActive) + return; + + int zoom = m_zoomLevel * zoomAdjustment; + QMatrix4x4 viewMatrix; + + // Apply to view matrix + viewMatrix.lookAt(q_ptr->position(), m_target, m_up); + // Compensate for translation (if d_ptr->m_target is off origin) + viewMatrix.translate(m_target.x(), m_target.y(), m_target.z()); + // Apply rotations + // Handle x and z rotation when y -angle is other than 0 + viewMatrix.rotate(m_xRotation, 0, qCos(qDegreesToRadians(m_yRotation)), + qSin(qDegreesToRadians(m_yRotation))); + // y rotation is always "clean" + viewMatrix.rotate(m_yRotation, 1.0f, 0.0f, 0.0f); + // handle zoom by scaling + viewMatrix.scale((GLfloat)zoom / 100.0f); + // Compensate for translation (if d_ptr->m_target is off origin) + viewMatrix.translate(-m_target.x(), -m_target.y(), -m_target.z()); + + q_ptr->setViewMatrix(viewMatrix); +} + + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/q3dcamera.h b/src/datavisualization/engine/q3dcamera.h new file mode 100644 index 00000000..ee750cec --- /dev/null +++ b/src/datavisualization/engine/q3dcamera.h @@ -0,0 +1,131 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef Q3DCAMERA_H +#define Q3DCAMERA_H + +#include <QtDataVisualization/q3dobject.h> +#include <QMatrix4x4> + +class QVector3D; +class QPoint; + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DCameraPrivate; + +class QT_DATAVISUALIZATION_EXPORT Q3DCamera : public Q3DObject +{ + Q_OBJECT + Q_PROPERTY(qreal xRotation READ xRotation WRITE setXRotation NOTIFY xRotationChanged) + Q_PROPERTY(qreal yRotation READ yRotation WRITE setYRotation NOTIFY yRotationChanged) + Q_PROPERTY(qreal minXRotation READ minXRotation NOTIFY minXRotationChanged) + Q_PROPERTY(qreal minYRotation READ minYRotation NOTIFY minYRotationChanged) + Q_PROPERTY(qreal maxXRotation READ maxXRotation NOTIFY maxXRotationChanged) + Q_PROPERTY(qreal maxYRotation READ maxYRotation NOTIFY maxYRotationChanged) + Q_PROPERTY(int zoomLevel READ zoomLevel WRITE setZoomLevel NOTIFY zoomLevelChanged) + Q_PROPERTY(QMatrix4x4 viewMatrix READ viewMatrix WRITE setViewMatrix NOTIFY viewMatrixChanged) + Q_PROPERTY(QtDataVisualization::QDataVis::CameraPreset cameraPreset READ cameraPreset WRITE setCameraPreset NOTIFY cameraPresetChanged) + Q_PROPERTY(bool viewMatrixAutoUpdateEnabled READ isViewMatrixAutoUpdateEnabled WRITE setViewMatrixAutoUpdateEnabled NOTIFY viewMatrixAutoUpdateChanged) + Q_PROPERTY(bool wrapXRotation READ wrapXRotation WRITE setWrapXRotation NOTIFY wrapXRotationChanged ) + Q_PROPERTY(bool wrapYRotation READ wrapYRotation WRITE setWrapYRotation NOTIFY wrapYRotationChanged ) + Q_ENUMS(QtDataVisualization::QDataVis::CameraPreset) + +public: + Q3DCamera(QObject *parent = 0); + virtual ~Q3DCamera(); + + qreal xRotation() const; + void setXRotation(qreal rotation); + qreal yRotation() const; + void setYRotation(qreal rotation); + + qreal minXRotation() const; + qreal maxXRotation() const; + + qreal minYRotation() const; + qreal maxYRotation() const; + + bool wrapXRotation() const; + void setWrapXRotation(bool isEnabled); + + bool wrapYRotation() const; + void setWrapYRotation(bool isEnabled); + + void copyValuesFrom(const Q3DCamera &source); + + QMatrix4x4 viewMatrix() const; + void setViewMatrix(const QMatrix4x4 &viewMatrix); + + bool isViewMatrixAutoUpdateEnabled(); + void setViewMatrixAutoUpdateEnabled(bool isEnabled); + + QDataVis::CameraPreset cameraPreset(); + void setCameraPreset(QDataVis::CameraPreset preset); + + int zoomLevel(); + void setZoomLevel(int zoomLevel); + + void setBaseOrientation(const QVector3D &defaultPosition, + const QVector3D &defaultTarget, + const QVector3D &defaultUp); + + QVector3D calculatePositionRelativeToCamera(const QVector3D &relativePosition, + qreal fixedRotation, + qreal distanceModifier) const; + void setCameraPosition(qreal horizontal, qreal vertical, qreal distance = 100.0); + +signals: + void xRotationChanged(qreal rotation); + void yRotationChanged(qreal rotation); + void minXRotationChanged(qreal rotation); + void minYRotationChanged(qreal rotation); + void maxXRotationChanged(qreal rotation); + void maxYRotationChanged(qreal rotation); + void zoomLevelChanged(int zoomLevel); + void viewMatrixChanged(QMatrix4x4 viewMatrix); + void cameraPresetChanged(QDataVis::CameraPreset preset); + void viewMatrixAutoUpdateChanged(bool enabled); + void wrapXRotationChanged(bool isEnabled); + void wrapYRotationChanged(bool isEnabled); + +protected: + void setMinXRotation(qreal rotation); + void setMinYRotation(qreal rotation); + void setMaxXRotation(qreal rotation); + void setMaxYRotation(qreal rotation); + +private: + QScopedPointer<Q3DCameraPrivate> d_ptr; + + Q_DISABLE_COPY(Q3DCamera) + + friend class Q3DCameraPrivate; + friend class Q3DScenePrivate; + friend class Bars3DRenderer; + friend class Surface3DRenderer; + friend class Scatter3DRenderer; + friend class SelectionPointer; + friend class Q3DInputHandler; + friend class QTouch3DInputHandlerPrivate; + friend class QMac3DInputHandler; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // Q3DCAMERA_H diff --git a/src/datavisualization/engine/q3dcamera_p.h b/src/datavisualization/engine/q3dcamera_p.h new file mode 100644 index 00000000..e0528dcc --- /dev/null +++ b/src/datavisualization/engine/q3dcamera_p.h @@ -0,0 +1,87 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef Q3DCAMERA_P_H +#define Q3DCAMERA_P_H + +#include "datavisualizationglobal_p.h" +#include "q3dcamera.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DCamera; + +class Q3DCameraPrivate +{ +public: + Q3DCameraPrivate(Q3DCamera *q); + ~Q3DCameraPrivate(); + + void sync(Q3DCamera &other); + + void setXRotation(qreal rotation); + void setYRotation(qreal rotation); + void setMinXRotation(qreal rotation); + void setMinYRotation(qreal rotation); + void setMaxXRotation(qreal rotation); + void setMaxYRotation(qreal rotation); + + void updateViewMatrix(qreal zoomAdjustment); + +public: + Q3DCamera *q_ptr; + + QVector3D m_target; + QVector3D m_up; + + QMatrix4x4 m_viewMatrix; + bool m_isViewMatrixUpdateActive; + + GLfloat m_xRotation; + GLfloat m_yRotation; + GLfloat m_minXRotation; + GLfloat m_minYRotation; + GLfloat m_maxXRotation; + GLfloat m_maxYRotation; + bool m_wrapXRotation; + bool m_wrapYRotation; + int m_zoomLevel; + QDataVis::CameraPreset m_activePreset; + + friend class Bars3DRenderer; + friend class Surface3DRenderer; + friend class Scatter3DRenderer; + friend class SelectionPointer; + friend class Q3DInputHandler; + friend class QTouch3DInputHandler; + friend class QMac3DInputHandler; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // Q3DCAMERA_P_H diff --git a/src/datavisualization/engine/q3dlight.cpp b/src/datavisualization/engine/q3dlight.cpp new file mode 100644 index 00000000..c482e62a --- /dev/null +++ b/src/datavisualization/engine/q3dlight.cpp @@ -0,0 +1,79 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "q3dlight.h" +#include "q3dscene.h" +#include "q3dlight_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + \class Q3DLight + \inmodule QtDataVisualization + \brief Representation of a light source in 3D space. + \since 1.0.0 + + Q3DLight represents a monochrome non variable light source in 3D space. +*/ + +/*! + * Constructs a new 3D light located at origo. An optional \a parent parameter can be given + * and is then passed to QObject constructor. + */ +Q3DLight::Q3DLight(QObject *parent) : + Q3DObject(parent), + d_ptr(new Q3DLightPrivate(this)) +{ +} + +/*! + * Copies the properties of the 3D light from the given source \a source light to this light instance. + */ +void Q3DLight::copyValuesFrom(const Q3DLight &source) +{ + Q3DObject::copyValuesFrom(source); +} + +/*! + * Destroys the light object. + */ +Q3DLight::~Q3DLight() +{ +} + +Q3DLightPrivate::Q3DLightPrivate(Q3DLight *q) : + q_ptr(q) +{ +} + +Q3DLightPrivate::~Q3DLightPrivate() +{ +} + +void Q3DLightPrivate::sync(Q3DLight &other) +{ + // Copies changed values from this light to the other light. If the other light had same changes, + // those changes are discarded. + if (q_ptr->isDirty()) { + other.copyValuesFrom(*q_ptr); + q_ptr->setDirty(false); + other.setDirty(false); + } +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/q3dlight.h b/src/datavisualization/engine/q3dlight.h new file mode 100644 index 00000000..0a4ba174 --- /dev/null +++ b/src/datavisualization/engine/q3dlight.h @@ -0,0 +1,50 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef Q3DLIGHT_H +#define Q3DLIGHT_H + +#include <QtDataVisualization/q3dobject.h> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DLightPrivate; +class Q3DScene; + +class QT_DATAVISUALIZATION_EXPORT Q3DLight : public Q3DObject +{ + Q_OBJECT + +public: + Q3DLight(QObject *parent = 0); + virtual ~Q3DLight(); + + void copyValuesFrom(const Q3DLight &source); + +private: + QScopedPointer<Q3DLightPrivate> d_ptr; + + Q_DISABLE_COPY(Q3DLight) + + friend class Q3DLightPrivate; + friend class Q3DScenePrivate; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // Q3DLIGHT_H diff --git a/src/datavisualization/engine/q3dlight_p.h b/src/datavisualization/engine/q3dlight_p.h new file mode 100644 index 00000000..dad6d670 --- /dev/null +++ b/src/datavisualization/engine/q3dlight_p.h @@ -0,0 +1,59 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef Q3DLIGHT_P_H +#define Q3DLIGHT_P_H + +#include "datavisualizationglobal_p.h" +#include "q3dlight.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DScene; +class Q3DLight; + +class Q3DLightPrivate +{ +public: + Q3DLightPrivate(Q3DLight *q); + ~Q3DLightPrivate(); + + void sync(Q3DLight &other); + +public: + Q3DLight *q_ptr; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // Q3DLIGHT_P_H + + + + + diff --git a/src/datavisualization/engine/q3dobject.cpp b/src/datavisualization/engine/q3dobject.cpp new file mode 100644 index 00000000..ae13af7d --- /dev/null +++ b/src/datavisualization/engine/q3dobject.cpp @@ -0,0 +1,121 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "q3dobject.h" +#include "q3dobject_p.h" +#include "q3dscene.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + \class Q3DObject + \inmodule QtDataVisualization + \brief Simple baseclass for all the objects in the 3D scene. + \since 1.0.0 + + Q3DObject is a baseclass that contains only position information for an object in 3D scene. + The object is considered to be a single point in the coordinate space without dimensions. +*/ + +/*! + * Constructs a new 3D object with position set to origo by default. An + * optional \a parent parameter can be given and is then passed to QObject constructor. + */ +Q3DObject::Q3DObject(QObject *parent) : + QObject(parent), + d_ptr(new Q3DObjectPrivate(this)) +{ +} + +/*! + * Destroys the 3D object. + */ +Q3DObject::~Q3DObject() +{ +} + +/*! + * Copies the 3D object position from the given \a source 3D object to this 3D object instance. + */ +void Q3DObject::copyValuesFrom(const Q3DObject &source) +{ + d_ptr->m_position.setX(source.d_ptr->m_position.x()); + d_ptr->m_position.setY(source.d_ptr->m_position.y()); + d_ptr->m_position.setZ(source.d_ptr->m_position.z()); + setDirty(true); +} + +/*! + * \property Q3DObject::parentScene + * + * This property contains the parent scene as read only value. + * If the object has no parent scene the value is 0. + */ +Q3DScene *Q3DObject::parentScene() +{ + return qobject_cast<Q3DScene *>(parent()); +} + +/*! + * \property Q3DObject::position + * + * This property contains the 3D position of the object. + */ +QVector3D Q3DObject::position() const +{ + return d_ptr->m_position; +} + +void Q3DObject::setPosition(const QVector3D &position) +{ + if (d_ptr->m_position != position) { + d_ptr->m_position = position; + setDirty(true); + emit positionChanged(d_ptr->m_position); + } +} + +/*! + * Sets and clears the \a dirty flag that is used to track + * when the 3D object has changed since last update. + */ +void Q3DObject::setDirty(bool dirty) +{ + d_ptr->m_isDirty = dirty; +} + +/*! + * \return flag that indicates if the 3D object has changed. + */ +bool Q3DObject::isDirty() const +{ + return d_ptr->m_isDirty; +} + +Q3DObjectPrivate::Q3DObjectPrivate(Q3DObject *q) : + q_ptr(q), + m_isDirty(true) +{ +} + +Q3DObjectPrivate::~Q3DObjectPrivate() +{ + +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/q3dobject.h b/src/datavisualization/engine/q3dobject.h new file mode 100644 index 00000000..930bb022 --- /dev/null +++ b/src/datavisualization/engine/q3dobject.h @@ -0,0 +1,65 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef Q3DOBJECT_H +#define Q3DOBJECT_H + +#include <QtDataVisualization/qdatavisualizationenums.h> +#include <QtDataVisualization/q3dscene.h> + +#include <QObject> +#include <QVector3D> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE +class Q3DObjectPrivate; + +class Q3DObject : public QObject +{ + Q_OBJECT + Q_PROPERTY(Q3DScene* parentScene READ parentScene) + Q_PROPERTY(QVector3D position READ position WRITE setPosition NOTIFY positionChanged) + +public: + Q3DObject(QObject *parent = 0); + virtual ~Q3DObject(); + + void copyValuesFrom(const Q3DObject &source); + + Q3DScene *parentScene(); + + QVector3D position() const; + void setPosition(const QVector3D &position); + +signals: + void positionChanged(QVector3D position); + +protected: + void setDirty(bool dirty); + bool isDirty() const; + +private: + QScopedPointer<Q3DObjectPrivate> d_ptr; + + Q_DISABLE_COPY(Q3DObject) + + friend class Q3DScenePrivate; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // Q3DOBJECT_H diff --git a/src/datavisualization/engine/q3dobject_p.h b/src/datavisualization/engine/q3dobject_p.h new file mode 100644 index 00000000..bac18cfe --- /dev/null +++ b/src/datavisualization/engine/q3dobject_p.h @@ -0,0 +1,53 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef Q3DOBJECT_P_H +#define Q3DOBJECT_P_H + +#include "datavisualizationglobal_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DObject; +class Q3DScene; + +class Q3DObjectPrivate +{ +public: + Q3DObjectPrivate(Q3DObject *q); + ~Q3DObjectPrivate(); + +public: + Q3DObject *q_ptr; + QVector3D m_position; + bool m_isDirty; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // Q3DOBJECT_P_H diff --git a/src/datavisualization/engine/q3dscatter.cpp b/src/datavisualization/engine/q3dscatter.cpp new file mode 100644 index 00000000..a5053bf3 --- /dev/null +++ b/src/datavisualization/engine/q3dscatter.cpp @@ -0,0 +1,568 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "q3dscatter.h" +#include "q3dscatter_p.h" +#include "scatter3dcontroller_p.h" +#include "q3dvalueaxis.h" +#include "qscatterdataproxy.h" +#include "q3dcamera.h" + +#include <QMouseEvent> +#include <QDebug> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class Q3DScatter + * \inmodule QtDataVisualization + * \brief The Q3DScatter class provides methods for rendering 3D scatter graphs. + * \since 1.0.0 + * + * This class enables developers to render scatter graphs in 3D and to view them by rotating the scene + * freely. Rotation is done by holding down the right mouse button and moving the mouse. Zooming + * is done by mouse wheel. Selection, if enabled, is done by left mouse button. The scene can be + * reset to default camera view by clicking mouse wheel. In touch devices rotation is done + * by tap-and-move, selection by tap-and-hold and zoom by pinch. + * + * If no axes are explicitly set to Q3DScatter, temporary default axes with no labels are created. + * These default axes can be modified via axis accessors, but as soon any axis is explicitly + * set for the orientation, the default axis for that orientation is destroyed. + * + * Data proxies work similarly: If no data proxy is explicitly set, Q3DScatter creates a default + * proxy. If any other proxy is set as active data proxy later, the default proxy and all data + * added to it is destroyed. + * + * Methods are provided for changing item styles, themes, item selection modes and so on. See the + * methods for more detailed descriptions. + * + * \section1 How to construct a minimal Q3DScatter graph + * + * First, construct Q3DScatter: + * + * \snippet doc_src_q3dscatter_construction.cpp 0 + * + * Now Q3DScatter is ready to receive data to be rendered. Add one set of 3 QVector3D items: + * + * \snippet doc_src_q3dscatter_construction.cpp 1 + * + * Finally you will need to set it visible: + * + * \snippet doc_src_q3dscatter_construction.cpp 2 + * + * The complete code needed to create and display this graph is: + * + * \snippet doc_src_q3dscatter_construction.cpp 3 + * + * And this is what those few lines of code produce: + * + * \image q3dscatter-minimal.png + * + * The scene can be rotated and zoomed into, but no other interaction is included in this minimal + * code example. You can learn more by familiarizing yourself with the examples provided, like + * the \l{Scatter Example}. + * + * \sa Q3DBars, Q3DSurface, {Qt Data Visualization C++ Classes} + */ + +/*! + * Constructs a new 3D scatter window. + */ +Q3DScatter::Q3DScatter() + : d_ptr(new Q3DScatterPrivate(this, geometry())) +{ + setVisualController(d_ptr->m_shared); + d_ptr->m_shared->initializeOpenGL(); + QObject::connect(d_ptr->m_shared, &Scatter3DController::selectedItemIndexChanged, this, + &Q3DScatter::selectedItemIndexChanged); + QObject::connect(d_ptr->m_shared, &Abstract3DController::needRender, this, + &Q3DWindow::renderLater); +} + +/*! + * Destroys the 3D scatter window. + */ +Q3DScatter::~Q3DScatter() +{ +} + +/*! + * \internal + */ +void Q3DScatter::mouseDoubleClickEvent(QMouseEvent *event) +{ + d_ptr->m_shared->mouseDoubleClickEvent(event); +} + +/*! + * \internal + */ +void Q3DScatter::touchEvent(QTouchEvent *event) +{ + d_ptr->m_shared->touchEvent(event); +} + +/*! + * \internal + */ +void Q3DScatter::mousePressEvent(QMouseEvent *event) +{ + d_ptr->m_shared->mousePressEvent(event, event->pos()); +} + +/*! + * \internal + */ +void Q3DScatter::mouseReleaseEvent(QMouseEvent *event) +{ + d_ptr->m_shared->mouseReleaseEvent(event, event->pos()); +} + +/*! + * \internal + */ +void Q3DScatter::mouseMoveEvent(QMouseEvent *event) +{ + d_ptr->m_shared->mouseMoveEvent(event, event->pos()); +} + +/*! + * \internal + */ +void Q3DScatter::wheelEvent(QWheelEvent *event) +{ + d_ptr->m_shared->wheelEvent(event); +} + +/*! + * \internal + */ +void Q3DScatter::resizeEvent(QResizeEvent *event) +{ + Q_UNUSED(event); + d_ptr->m_shared->setSize(width(), height()); +} + +/*! + * Sets window \a width. + */ +void Q3DScatter::setWidth(const int width) +{ + d_ptr->m_shared->setWidth(width); + QWindow::setWidth(width); +} + +/*! + * Sets window \a height. + */ +void Q3DScatter::setHeight(const int height) +{ + d_ptr->m_shared->setHeight(height); + QWindow::setHeight(height); +} + +/*! + * Sets the item \a style to one of the values in \c QDataVis::MeshStyle. It is preset to + * \c QDataVis::MeshStyleSpheres by default. A \a smooth flag can be used to set shading to smooth. + * It is \c false by default. + * + * \sa setMeshFileName() + */ +void Q3DScatter::setObjectType(QDataVis::MeshStyle style, bool smooth) +{ + d_ptr->m_shared->setObjectType(style, smooth); +} + +/*! + * Sets a predefined \a theme from \c QDataVis::Theme. It is preset to \c QDataVis::ThemeQt by + * default. Theme affects bar colors, label colors, text color, background color, window color and + * grid color. Lighting is also adjusted by themes. + * + * \sa setObjectColor() + * + * \warning This method is subject to change. + */ +void Q3DScatter::setTheme(QDataVis::Theme theme) +{ + d_ptr->m_shared->setTheme(theme); +} + +/*! + * Set item color using your own colors. \a baseColor sets the base color of a item. The \a uniform + * -flag is used to define if color needs to be uniform throughout item's length, or will the colors + * be applied by height. It is \c true by default. + * + * Calling this method overrides colors from theme. + * + * \sa setTheme() + * + * \warning This method is subject to change. + */ +void Q3DScatter::setObjectColor(const QColor &baseColor, bool uniform) +{ + d_ptr->m_shared->setObjectColor(baseColor, uniform); +} + +/*! + * \return item color in use. + */ +QColor Q3DScatter::objectColor() const +{ + return d_ptr->m_shared->objectColor(); +} + +/*! + * \property Q3DScatter::selectionMode + * + * Sets item selection \a mode to one of \c QDataVis::SelectionMode. It is preset to + * \c QDataVis::SelectionModeItem by default. + */ +void Q3DScatter::setSelectionMode(QDataVis::SelectionMode mode) +{ + d_ptr->m_shared->setSelectionMode(mode); +} + +QDataVis::SelectionMode Q3DScatter::selectionMode() const +{ + return d_ptr->m_shared->selectionMode(); +} + +/*! + * \property Q3DScatter::meshFileName + * + * Override item type with a mesh object located in \a objFileName. + * \note Object needs to be in Wavefront obj format and include vertices, normals and UVs. + * It also needs to be in triangles. + * + * \sa setObjectType() + */ +void Q3DScatter::setMeshFileName(const QString &objFileName) +{ + d_ptr->m_shared->setMeshFileName(objFileName); +} + +QString Q3DScatter::meshFileName() const +{ + return d_ptr->m_shared->meshFileName(); +} + +/*! + * \property Q3DScatter::font + * + * Sets the \a font for labels. It is preset to \c Arial by default. + */ +void Q3DScatter::setFont(const QFont &font) +{ + d_ptr->m_shared->setFont(font); +} + +QFont Q3DScatter::font() const +{ + return d_ptr->m_shared->font(); +} + +/*! + * \property Q3DScatter::scene + * + * This property contains the read only Q3DScene that can be used to access e.g. camera object. + */ +Q3DScene *Q3DScatter::scene() const +{ + return d_ptr->m_shared->scene(); +} + +/*! + * \property Q3DScatter::labelStyle + * + * Sets label \a style to one of \c QDataVis::LabelStyle. It is preset to + * \c QDataVis::LabelStyleFromTheme by default. + */ +void Q3DScatter::setLabelStyle(QDataVis::LabelStyle style) +{ + d_ptr->m_shared->setLabelStyle(style); +} + +QDataVis::LabelStyle Q3DScatter::labelStyle() const +{ + return d_ptr->m_shared->labelStyle(); +} + +/*! + * \property Q3DScatter::gridVisible + * + * Sets grid visibility to \a visible. It is preset to \c true by default. + */ +void Q3DScatter::setGridVisible(bool visible) +{ + d_ptr->m_shared->setGridEnabled(visible); +} + +bool Q3DScatter::isGridVisible() const +{ + return d_ptr->m_shared->gridEnabled(); +} + +/*! + * \property Q3DScatter::backgroundVisible + * + * Sets background visibility to \a visible. It is preset to \c true by default. + */ +void Q3DScatter::setBackgroundVisible(bool visible) +{ + d_ptr->m_shared->setBackgroundEnabled(visible); +} + +bool Q3DScatter::isBackgroundVisible() const +{ + return d_ptr->m_shared->backgroundEnabled(); +} + +/*! + * \property Q3DScatter::selectedItemIndex + * + * Selects an item in the \a index. Only one item can be selected at a time. + * To clear selection, specify an illegal \a index, e.g. -1. + */ +void Q3DScatter::setSelectedItemIndex(int index) +{ + d_ptr->m_shared->setSelectedItemIndex(index); +} + +int Q3DScatter::selectedItemIndex() const +{ + return d_ptr->m_shared->selectedItemIndex(); +} + +/*! + * \property Q3DScatter::shadowQuality + * + * Sets shadow \a quality to one of \c QDataVis::ShadowQuality. It is preset to + * \c QDataVis::ShadowQualityMedium by default. + * + * \note If setting QDataVis::ShadowQuality of a certain level fails, a level is lowered + * until it is successful and shadowQualityChanged signal is emitted for each time the change is + * done. + */ +void Q3DScatter::setShadowQuality(QDataVis::ShadowQuality quality) +{ + return d_ptr->m_shared->setShadowQuality(quality); +} + +QDataVis::ShadowQuality Q3DScatter::shadowQuality() const +{ + return d_ptr->m_shared->shadowQuality(); +} + +/*! + * Sets a user-defined X-axis. Implicitly calls addAxis() to transfer ownership + * of the \a axis to this graph. + * + * If the \a axis is null, a temporary default axis with no labels and automatically adjusting + * range is created. + * This temporary axis is destroyed if another \a axis is explicitly set to same orientation. + * + * \sa addAxis(), releaseAxis() + */ +void Q3DScatter::setAxisX(Q3DValueAxis *axis) +{ + d_ptr->m_shared->setAxisX(axis); +} + +/*! + * \return used X-axis. + */ +Q3DValueAxis *Q3DScatter::axisX() const +{ + return static_cast<Q3DValueAxis *>(d_ptr->m_shared->axisX()); +} + +/*! + * Sets a user-defined Y-axis. Implicitly calls addAxis() to transfer ownership + * of the \a axis to this graph. + * + * If the \a axis is null, a temporary default axis with no labels and automatically adjusting + * range is created. + * This temporary axis is destroyed if another \a axis is explicitly set to same orientation. + * + * \sa addAxis(), releaseAxis() + */ +void Q3DScatter::setAxisY(Q3DValueAxis *axis) +{ + d_ptr->m_shared->setAxisY(axis); +} + +/*! + * \return used Y-axis. + */ +Q3DValueAxis *Q3DScatter::axisY() const +{ + return static_cast<Q3DValueAxis *>(d_ptr->m_shared->axisY()); +} + +/*! + * Sets a user-defined Z-axis. Implicitly calls addAxis() to transfer ownership + * of the \a axis to this graph. + * + * If the \a axis is null, a temporary default axis with no labels and automatically adjusting + * range is created. + * This temporary axis is destroyed if another \a axis is explicitly set to same orientation. + * + * \sa addAxis(), releaseAxis() + */ +void Q3DScatter::setAxisZ(Q3DValueAxis *axis) +{ + d_ptr->m_shared->setAxisZ(axis); +} + +/*! + * \return used Z-axis. + */ +Q3DValueAxis *Q3DScatter::axisZ() const +{ + return static_cast<Q3DValueAxis *>(d_ptr->m_shared->axisZ()); +} + +/*! + * Adds \a axis to the graph. The axes added via addAxis are not yet taken to use, + * addAxis is simply used to give the ownership of the \a axis to the graph. + * The \a axis must not be null or added to another graph. + * + * \sa releaseAxis(), setAxisX(), setAxisY(), setAxisZ() + */ +void Q3DScatter::addAxis(Q3DValueAxis *axis) +{ + d_ptr->m_shared->addAxis(axis); +} + +/*! + * Releases the ownership of the \a axis back to the caller, if it is added to this graph. + * If the released \a axis is in use, a new default axis will be created and set active. + * + * If the default axis is released and added back later, it behaves as any other axis would. + * + * \sa addAxis(), setAxisX(), setAxisY(), setAxisZ() + */ +void Q3DScatter::releaseAxis(Q3DValueAxis *axis) +{ + d_ptr->m_shared->releaseAxis(axis); +} + +/*! + * \return list of all added axes. + * + * \sa addAxis() + */ +QList<Q3DValueAxis *> Q3DScatter::axes() const +{ + QList<Q3DAbstractAxis *> abstractAxes = d_ptr->m_shared->axes(); + QList<Q3DValueAxis *> retList; + foreach (Q3DAbstractAxis *axis, abstractAxes) + retList.append(static_cast<Q3DValueAxis *>(axis)); + + return retList; +} + +/*! + * Sets the active data \a proxy. Implicitly calls addDataProxy() to transfer ownership of + * the \a proxy to this graph. + * + * If the \a proxy is null, a temporary default proxy is created and activated. + * This temporary proxy is destroyed if another \a proxy is explicitly set active via this method. + * + * \sa addDataProxy(), releaseDataProxy() + */ +void Q3DScatter::setActiveDataProxy(QScatterDataProxy *proxy) +{ + d_ptr->m_shared->setActiveDataProxy(proxy); +} + +/*! + * \return active data proxy. + */ +QScatterDataProxy *Q3DScatter::activeDataProxy() const +{ + return static_cast<QScatterDataProxy *>(d_ptr->m_shared->activeDataProxy()); +} + +/*! + * Adds data \a proxy to the graph. The proxies added via addDataProxy are not yet taken to use, + * addDataProxy is simply used to give the ownership of the data \a proxy to the graph. + * The \a proxy must not be null or added to another graph. + * + * \sa releaseDataProxy(), setActiveDataProxy() + */ +void Q3DScatter::addDataProxy(QScatterDataProxy *proxy) +{ + d_ptr->m_shared->addDataProxy(proxy); +} + +/*! + * Releases the ownership of the data \a proxy back to the caller, if it is added to this graph. + * If the released \a proxy is in use, a new empty default proxy is created and taken to use. + * + * If the default \a proxy is released and added back later, it behaves as any other proxy would. + * + * \sa addDataProxy(), setActiveDataProxy() + */ +void Q3DScatter::releaseDataProxy(QScatterDataProxy *proxy) +{ + d_ptr->m_shared->releaseDataProxy(proxy); +} + +/*! + * \return list of all added data proxies. + * + * \sa addDataProxy() + */ +QList<QScatterDataProxy *> Q3DScatter::dataProxies() const +{ + QList<QScatterDataProxy *> retList; + QList<QAbstractDataProxy *> abstractList = d_ptr->m_shared->dataProxies(); + foreach (QAbstractDataProxy *proxy, abstractList) + retList.append(static_cast<QScatterDataProxy *>(proxy)); + + return retList; +} + +/*! + * \fn void Q3DScatter::shadowQualityChanged(QDataVis::ShadowQuality quality) + * + * This signal is emitted when shadow \a quality changes. + */ + +Q3DScatterPrivate::Q3DScatterPrivate(Q3DScatter *q, QRect rect) + : q_ptr(q), + m_shared(new Scatter3DController(rect)) +{ + QObject::connect(m_shared, &Abstract3DController::shadowQualityChanged, this, + &Q3DScatterPrivate::handleShadowQualityUpdate); +} + +Q3DScatterPrivate::~Q3DScatterPrivate() +{ + qDebug() << "Destroying Q3DScatterPrivate"; + delete m_shared; +} + +void Q3DScatterPrivate::handleShadowQualityUpdate(QDataVis::ShadowQuality quality) +{ + emit q_ptr->shadowQualityChanged(quality); +} + +QT_DATAVISUALIZATION_END_NAMESPACE + diff --git a/src/datavisualization/engine/q3dscatter.h b/src/datavisualization/engine/q3dscatter.h new file mode 100644 index 00000000..fdea604e --- /dev/null +++ b/src/datavisualization/engine/q3dscatter.h @@ -0,0 +1,128 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef Q3DSCATTER_H +#define Q3DSCATTER_H + +#include <QtDataVisualization/qdatavisualizationenums.h> +#include <QtDataVisualization/q3dwindow.h> +#include <QtDataVisualization/q3dscene.h> +#include <QFont> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DScatterPrivate; +class LabelItem; +class Q3DValueAxis; +class Q3DCategoryAxis; +class QScatterDataProxy; + +class QT_DATAVISUALIZATION_EXPORT Q3DScatter : public Q3DWindow +{ + Q_OBJECT + Q_PROPERTY(QtDataVisualization::QDataVis::SelectionMode selectionMode READ selectionMode WRITE setSelectionMode) + Q_PROPERTY(QtDataVisualization::QDataVis::LabelStyle labelStyle READ labelStyle WRITE setLabelStyle) + Q_PROPERTY(QtDataVisualization::QDataVis::ShadowQuality shadowQuality READ shadowQuality WRITE setShadowQuality) + Q_PROPERTY(QString meshFileName READ meshFileName WRITE setMeshFileName) + Q_PROPERTY(QFont font READ font WRITE setFont) + Q_PROPERTY(bool gridVisible READ isGridVisible WRITE setGridVisible) + Q_PROPERTY(bool backgroundVisible READ isBackgroundVisible WRITE setBackgroundVisible) + Q_PROPERTY(int selectedItemIndex READ selectedItemIndex WRITE setSelectedItemIndex NOTIFY selectedItemIndexChanged) + Q_PROPERTY(Q3DScene* scene READ scene) + Q_ENUMS(QtDataVisualization::QDataVis::SelectionMode) + Q_ENUMS(QtDataVisualization::QDataVis::ShadowQuality) + Q_ENUMS(QtDataVisualization::QDataVis::LabelStyle) + Q_ENUMS(QtDataVisualization::QDataVis::CameraPreset) + +public: + explicit Q3DScatter(); + ~Q3DScatter(); + + void setObjectType(QDataVis::MeshStyle style, bool smooth = false); + + void setTheme(QDataVis::Theme theme); + + void setObjectColor(const QColor &baseColor, bool uniform = true); + QColor objectColor() const; + + void setMeshFileName(const QString &objFileName); + QString meshFileName() const; + + void setSelectionMode(QDataVis::SelectionMode mode); + QDataVis::SelectionMode selectionMode() const; + + void setFont(const QFont &font); + QFont font() const; + + Q3DScene *scene() const; + + void setLabelStyle(QDataVis::LabelStyle style); + QDataVis::LabelStyle labelStyle() const; + + void setGridVisible(bool visible); + bool isGridVisible() const; + + void setWidth(const int width); + void setHeight(const int height); + + void setBackgroundVisible(bool visible); + bool isBackgroundVisible() const; + + void setSelectedItemIndex(int index); + int selectedItemIndex() const; + + void setShadowQuality(QDataVis::ShadowQuality quality); + QDataVis::ShadowQuality shadowQuality() const; + + void setAxisX(Q3DValueAxis *axis); + Q3DValueAxis *axisX() const; + void setAxisY(Q3DValueAxis *axis); + Q3DValueAxis *axisY() const; + void setAxisZ(Q3DValueAxis *axis); + Q3DValueAxis *axisZ() const; + void addAxis(Q3DValueAxis *axis); + void releaseAxis(Q3DValueAxis *axis); + QList<Q3DValueAxis *> axes() const; + + void setActiveDataProxy(QScatterDataProxy *proxy); + QScatterDataProxy *activeDataProxy() const; + void addDataProxy(QScatterDataProxy *proxy); + void releaseDataProxy(QScatterDataProxy *proxy); + QList<QScatterDataProxy *> dataProxies() const; + +signals: + void shadowQualityChanged(QDataVis::ShadowQuality quality); + void selectedItemIndexChanged(int index); + +protected: + void mouseDoubleClickEvent(QMouseEvent *event); + void touchEvent(QTouchEvent *event); + void mousePressEvent(QMouseEvent *event); + void mouseReleaseEvent(QMouseEvent *event); + void mouseMoveEvent(QMouseEvent *event); + void wheelEvent(QWheelEvent *event); + void resizeEvent(QResizeEvent *event); + +private: + QScopedPointer<Q3DScatterPrivate> d_ptr; + Q_DISABLE_COPY(Q3DScatter) +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/engine/q3dscatter_p.h b/src/datavisualization/engine/q3dscatter_p.h new file mode 100644 index 00000000..775344d0 --- /dev/null +++ b/src/datavisualization/engine/q3dscatter_p.h @@ -0,0 +1,54 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef Q3DSCATTER_p_H +#define Q3DSCATTER_p_H + +#include "scatter3dcontroller_p.h" +#include "qdatavisualizationenums.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DScatter; + +class Q3DScatterPrivate : public QObject +{ +public: + Q3DScatterPrivate(Q3DScatter *q, QRect rect); + ~Q3DScatterPrivate(); + + // Used to detect when shadow quality changes autonomously due to e.g. resizing. + void handleShadowQualityUpdate(QDataVis::ShadowQuality quality); + + Q3DScatter *q_ptr; + Scatter3DController *m_shared; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/engine/q3dscene.cpp b/src/datavisualization/engine/q3dscene.cpp new file mode 100644 index 00000000..4908bde4 --- /dev/null +++ b/src/datavisualization/engine/q3dscene.cpp @@ -0,0 +1,375 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include <qmath.h> + +#include "datavisualizationglobal_p.h" + +#include "q3dscene.h" +#include "q3dscene_p.h" +#include "q3dcamera_p.h" +#include "q3dlight_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE +/*! + * \class Q3DScene + * \inmodule QtDataVisualization + * \brief Q3DScene class provides description of the 3D scene being visualized. + * \since 1.0.0 + * + * The 3D scene contains a single active camera and a single active light source. + * Visualized data is assumed to be at a fixed location. + * + * The 3D scene also keeps track of the viewport in which visualization rendering is done, + * the primary subviewport inside the viewport where the main 3D data visualization view resides + * and the secondary subviewport where the 2D sliced view of the data resides. + * + * Also the scene has flag for tracking if the secondary 2D slicing view is currently active or not. + * \note Not all visualizations support the secondary 2D slicing view. + */ + +/*! + * Constructs a basic scene with one light and one camera in it. An + * optional \a parent parameter can be given and is then passed to QObject constructor. + */ +Q3DScene::Q3DScene(QObject *parent) : + QObject(parent), + d_ptr(new Q3DScenePrivate(this)) +{ + setActiveCamera(new Q3DCamera(0)); + setActiveLight(new Q3DLight(0)); +} + +/*! + * Destroys the 3D scene and all the objects contained within it. + */ +Q3DScene::~Q3DScene() +{ +} + +/*! + * \property Q3DScene::viewport + * + * This property contains the current viewport rectangle where all 3D rendering + * is targeted. + */ +QRect Q3DScene::viewport() const +{ + return d_ptr->m_viewport; +} + +void Q3DScene::setViewport(const QRect &viewport) +{ + if (d_ptr->m_viewport.width() != viewport.width() + || d_ptr->m_viewport.height() != viewport.height()) { + d_ptr->m_viewport = viewport; + d_ptr->m_viewport.setX(0); + d_ptr->m_viewport.setY(0); + d_ptr->m_changeTracker.viewportChanged = true; + emit viewportChanged(viewport); + } +} + +/*! + * Sets the \a width and \a height of the viewport only, without changing its location. + */ +void Q3DScene::setViewportSize(int width, int height) +{ + if (d_ptr->m_viewport.width() != width + || d_ptr->m_viewport.height() != height) { + d_ptr->m_viewport.setWidth(width); + d_ptr->m_viewport.setHeight(height); + d_ptr->m_changeTracker.viewportChanged = true; + emit viewportChanged(d_ptr->m_viewport); + } +} + +/*! + * \property Q3DScene::primarySubViewport + * + * This property contains the current main viewport rectangle inside the viewport where the + * primary view of the data visualization is targeted to. + */ +QRect Q3DScene::primarySubViewport() const +{ + return d_ptr->m_primarySubViewport; +} + +void Q3DScene::setPrimarySubViewport(const QRect &primarySubViewport) +{ + if (d_ptr->m_primarySubViewport != primarySubViewport) { + d_ptr->m_primarySubViewport = primarySubViewport; + d_ptr->m_changeTracker.primarySubViewportChanged = true; + emit primarySubViewportChanged(primarySubViewport); + } +} + +/*! + * Returns whether the given \a point resides inside the primary subview or not. + * The method takes care of correctly mapping between OpenGL coordinates used in the + * viewport definitions and the Qt event coordinate system used in the input system. + * \return true if the point is inside the primary subview. + */ +bool Q3DScene::isPointInPrimarySubView(const QPoint &point) +{ + // TODO: Needs fixing. Doesn't respect whether slice or main view is on top or if slicing is even activated currently. + int x = point.x(); + int y = point.y(); + int areaMinX = d_ptr->m_primarySubViewport.x(); + int areaMaxX = d_ptr->m_primarySubViewport.x() + d_ptr->m_primarySubViewport.width(); + int areaMaxY = d_ptr->m_viewport.height() - d_ptr->m_primarySubViewport.y(); + int areaMinY = d_ptr->m_viewport.height() - (d_ptr->m_primarySubViewport.y() + d_ptr->m_primarySubViewport.height()); + + return ( x > areaMinX && x < areaMaxX && y > areaMinY && y < areaMaxY ); +} + +/*! + * Returns whether the given \a point resides inside the secondary subview or not. + * The method takes care of correctly mapping between OpenGL coordinates used in the + * viewport definitions and the Qt event coordinate system used in the input system. + * \return true if the point is inside the secondary subview. + */ +bool Q3DScene::isPointInSecondarySubView(const QPoint &point) +{ + // TODO: Needs fixing. Doesn't respect whether slice or main view is on top or if slicing is even activated currently. + int x = point.x(); + int y = point.y(); + int areaMinX = d_ptr->m_secondarySubViewport.x(); + int areaMaxX = d_ptr->m_secondarySubViewport.x() + d_ptr->m_secondarySubViewport.width(); + int areaMaxY = d_ptr->m_viewport.height() - d_ptr->m_secondarySubViewport.y(); + int areaMinY = d_ptr->m_viewport.height() - (d_ptr->m_secondarySubViewport.y() + d_ptr->m_secondarySubViewport.height()); + + return ( x > areaMinX && x < areaMaxX && y > areaMinY && y < areaMaxY ); +} + +/*! + * \property Q3DScene::secondarySubViewport + * + * This property contains the secondary viewport rectangle inside the viewport. The secondary + * viewport is used for drawing the 2D slice view in some visualizations. + */ +QRect Q3DScene::secondarySubViewport() const +{ + return d_ptr->m_secondarySubViewport; +} + +void Q3DScene::setSecondarySubViewport(const QRect &secondarySubViewport) +{ + if (d_ptr->m_secondarySubViewport != secondarySubViewport) { + d_ptr->m_secondarySubViewport = secondarySubViewport; + d_ptr->m_changeTracker.secondarySubViewportChanged = true; + emit secondarySubViewportChanged(secondarySubViewport); + } +} + +/*! + * \property Q3DScene::slicingActive + * + * This property contains whether 2D slicing view is currently active or not. + * \note Not all visualizations support the 2D slicing view. + */ +bool Q3DScene::isSlicingActive() const +{ + return d_ptr->m_isSlicingActive; +} + +void Q3DScene::setSlicingActive(bool isSlicing) +{ + if (d_ptr->m_isSlicingActive != isSlicing) { + d_ptr->m_isSlicingActive = isSlicing; + d_ptr->m_changeTracker.slicingActivatedChanged = true; + emit slicingActiveChanged(isSlicing); + emitNeedRender(); + } +} + +/*! + * \property Q3DScene::activeCamera + * + * This property contains the currently active camera in the 3D scene. + * When a new Q3DCamera objects is set in the property it gets automatically added as child of the scene. + */ +Q3DCamera *Q3DScene::activeCamera() const +{ + return d_ptr->m_camera; +} + +void Q3DScene::setActiveCamera(Q3DCamera *camera) +{ + Q_ASSERT(camera); + + // Add new camera as child of the scene + if (camera->parent() != this) + camera->setParent(this); + + if (camera != d_ptr->m_camera) { + if (d_ptr->m_camera) { + disconnect(d_ptr->m_camera, &Q3DCamera::xRotationChanged, this, + &Q3DScene::emitNeedRender); + disconnect(d_ptr->m_camera, &Q3DCamera::yRotationChanged, this, + &Q3DScene::emitNeedRender); + } + + d_ptr->m_camera = camera; + d_ptr->m_changeTracker.cameraChanged = true; + + if (camera) { + connect(camera, &Q3DCamera::xRotationChanged, this, + &Q3DScene::emitNeedRender); + connect(camera, &Q3DCamera::yRotationChanged, this, + &Q3DScene::emitNeedRender); + } + + emit activeCameraChanged(camera); + emitNeedRender(); + } +} + +void Q3DScene::emitNeedRender() +{ + emit needRender(); +} + +/*! + * \property Q3DScene::activeLight + * + * This property contains the currently active light in the 3D scene. + * When a new Q3DLight objects is set in the property it gets automatically added as child of the scene. + */ +Q3DLight *Q3DScene::activeLight() const +{ + return d_ptr->m_light; +} + +void Q3DScene::setActiveLight(Q3DLight *light) +{ + Q_ASSERT(light); + + // Add new light as child of the scene + if (light->parent() != this) + light->setParent(this); + + if (light != d_ptr->m_light) { + d_ptr->m_light = light; + d_ptr->m_changeTracker.lightChanged = true; + emit activeLightChanged(light); + } +} + +/*! + * \property Q3DScene::devicePixelRatio + * + * This property contains the current device pixel ratio that is used when mapping input + * coordinates to pixel coordinates. + */ +qreal Q3DScene::devicePixelRatio() const +{ + return d_ptr->m_devicePixelRatio; +} + +void Q3DScene::setDevicePixelRatio(qreal pixelRatio) +{ + if (d_ptr->m_devicePixelRatio != pixelRatio) { + d_ptr->m_devicePixelRatio = pixelRatio; + emit devicePixelRatioChanged(pixelRatio); + } +} + +/*! + * Calculates and sets the light position relative to the currently active camera using the given parameters. + * \a relativePosition defines the relative 3D offset to the current camera position. + * Optional \a fixedRotation fixes the light rotation around the data visualization area to the given value in degrees. + * Optional \a distanceModifier modifies the distance of the light from the data visualization. + */ +void Q3DScene::setLightPositionRelativeToCamera(const QVector3D &relativePosition, + qreal fixedRotation, qreal distanceModifier) +{ + d_ptr->m_light->setPosition( + d_ptr->m_camera->calculatePositionRelativeToCamera(relativePosition, + fixedRotation, + distanceModifier)); +} + +/*! + * \fn Q3DScene::needRender() + * \internal + */ + +Q3DScenePrivate::Q3DScenePrivate(Q3DScene *q) : + q_ptr(q), + m_devicePixelRatio(1.f), + m_camera(), + m_light(), + m_isUnderSideCameraEnabled(false), + m_isSlicingActive(false) +{ +} + +Q3DScenePrivate::~Q3DScenePrivate() +{ + delete m_camera; + delete m_light; +} + +// Copies changed values from this scene to the other scene. If the other scene had same changes, +// those changes are discarded. +void Q3DScenePrivate::sync(Q3DScenePrivate &other) +{ + if (m_changeTracker.viewportChanged) { + other.q_ptr->setViewport(q_ptr->viewport()); + m_changeTracker.viewportChanged = false; + other.m_changeTracker.viewportChanged = false; + } + if (m_changeTracker.primarySubViewportChanged) { + other.q_ptr->setPrimarySubViewport(q_ptr->primarySubViewport()); + m_changeTracker.primarySubViewportChanged = false; + other.m_changeTracker.primarySubViewportChanged = false; + } + if (m_changeTracker.secondarySubViewportChanged) { + other.q_ptr->setSecondarySubViewport(q_ptr->secondarySubViewport()); + m_changeTracker.secondarySubViewportChanged = false; + other.m_changeTracker.secondarySubViewportChanged = false; + } + if (m_changeTracker.cameraChanged) { + m_camera->setDirty(true); + m_changeTracker.cameraChanged = false; + other.m_changeTracker.cameraChanged = false; + } + m_camera->d_ptr->sync(*other.m_camera); + + if (m_changeTracker.lightChanged) { + m_light->setDirty(true); + m_changeTracker.lightChanged = false; + other.m_changeTracker.lightChanged = false; + } + m_light->d_ptr->sync(*other.m_light); + + if (m_changeTracker.slicingActivatedChanged) { + other.q_ptr->setSlicingActive(q_ptr->isSlicingActive()); + m_changeTracker.slicingActivatedChanged = false; + other.m_changeTracker.slicingActivatedChanged = false; + } + + if (m_changeTracker.devicePixelRatioChanged) { + other.q_ptr->setDevicePixelRatio(q_ptr->devicePixelRatio()); + m_changeTracker.devicePixelRatioChanged = false; + other.m_changeTracker.devicePixelRatioChanged = false; + } +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/q3dscene.h b/src/datavisualization/engine/q3dscene.h new file mode 100644 index 00000000..745cef72 --- /dev/null +++ b/src/datavisualization/engine/q3dscene.h @@ -0,0 +1,103 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef Q3DSCENE_H +#define Q3DSCENE_H + +#include <QtDataVisualization/qdatavisualizationenums.h> +#include <QObject> +#include <QRect> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DCamera; +class Q3DBox; +class Q3DLight; +class Q3DScenePrivate; + +class QT_DATAVISUALIZATION_EXPORT Q3DScene : public QObject +{ + Q_OBJECT + Q_PROPERTY(QRect viewport READ viewport WRITE setViewport NOTIFY viewportChanged) + Q_PROPERTY(QRect primarySubViewport READ primarySubViewport WRITE setPrimarySubViewport NOTIFY primarySubViewportChanged) + Q_PROPERTY(QRect secondarySubViewport READ secondarySubViewport WRITE setSecondarySubViewport NOTIFY secondarySubViewportChanged) + Q_PROPERTY(bool slicingActive READ isSlicingActive WRITE setSlicingActive NOTIFY slicingActiveChanged) + Q_PROPERTY(Q3DCamera* activeCamera READ activeCamera WRITE setActiveCamera NOTIFY activeCameraChanged) + Q_PROPERTY(Q3DLight* activeLight READ activeLight WRITE setActiveLight NOTIFY activeLightChanged) + Q_PROPERTY(qreal devicePixelRatio READ devicePixelRatio WRITE setDevicePixelRatio NOTIFY devicePixelRatioChanged) + +public: + Q3DScene(QObject *parent = 0); + ~Q3DScene(); + + QRect viewport() const; + void setViewport(const QRect &viewport); + void setViewportSize(int width, int height); + + QRect primarySubViewport() const; + void setPrimarySubViewport(const QRect &primarySubViewport); + bool isPointInPrimarySubView(const QPoint &point); + + QRect secondarySubViewport() const; + void setSecondarySubViewport(const QRect &secondarySubViewport); + bool isPointInSecondarySubView(const QPoint &point); + + void setSlicingActive(bool isSlicing); + bool isSlicingActive() const; + + Q3DCamera *activeCamera() const; + void setActiveCamera(Q3DCamera *camera); + + Q3DLight *activeLight() const; + void setActiveLight(Q3DLight *light); + + qreal devicePixelRatio() const; + void setDevicePixelRatio(qreal pixelRatio); + + void setLightPositionRelativeToCamera(const QVector3D &relativePosition, + qreal fixedRotation = 0.0, + qreal distanceModifier = 0.0); +private: + void emitNeedRender(); + +signals: + void viewportChanged(QRect viewport); + void primarySubViewportChanged(QRect subViewport); + void secondarySubViewportChanged(QRect subViewport); + void slicingActiveChanged(bool isSlicingActive); + void activeCameraChanged(const Q3DCamera *camera); + void activeLightChanged(const Q3DLight *light); + void devicePixelRatioChanged(qreal pixelRatio); + void needRender(); + +private: + QScopedPointer<Q3DScenePrivate> d_ptr; + + Q_DISABLE_COPY(Q3DScene) + + friend class Q3DScenePrivate; + friend class Abstract3DRenderer; + friend class Bars3DRenderer; + friend class Surface3DRenderer; + friend class Scatter3DRenderer; + friend class Q3DCameraPrivate; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // Q3DSCENE_H diff --git a/src/datavisualization/engine/q3dscene_p.h b/src/datavisualization/engine/q3dscene_p.h new file mode 100644 index 00000000..b28baaae --- /dev/null +++ b/src/datavisualization/engine/q3dscene_p.h @@ -0,0 +1,85 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef Q3DSCENE_P_H +#define Q3DSCENE_P_H + +#include "datavisualizationglobal_p.h" +#include <QRect> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DCamera; +class Q3DLight; +class Q3DScene; + +struct Q3DSceneChangeBitField { + bool viewportChanged : 1; + bool primarySubViewportChanged : 1; + bool secondarySubViewportChanged : 1; + bool cameraChanged : 1; + bool lightChanged : 1; + bool slicingActivatedChanged : 1; + bool devicePixelRatioChanged : 1; + + Q3DSceneChangeBitField() + : viewportChanged(true), + primarySubViewportChanged(true), + secondarySubViewportChanged(true), + cameraChanged(true), + lightChanged(true), + slicingActivatedChanged(true), + devicePixelRatioChanged(true) + { + } +}; + +class Q3DScenePrivate +{ +public: + Q3DScenePrivate(Q3DScene *q); + ~Q3DScenePrivate(); + + void sync(Q3DScenePrivate &other); + + Q3DScene *q_ptr; + Q3DSceneChangeBitField m_changeTracker; + + QRect m_viewport; + QRect m_primarySubViewport; + QRect m_secondarySubViewport; + qreal m_devicePixelRatio; + Q3DCamera *m_camera; + Q3DLight *m_light; + bool m_isUnderSideCameraEnabled; + bool m_isSlicingActive; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // Q3DSCENE_P_H diff --git a/src/datavisualization/engine/q3dsurface.cpp b/src/datavisualization/engine/q3dsurface.cpp new file mode 100644 index 00000000..7990f362 --- /dev/null +++ b/src/datavisualization/engine/q3dsurface.cpp @@ -0,0 +1,542 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "q3dsurface.h" +#include "q3dsurface_p.h" +#include "q3dvalueaxis.h" +#include "qsurfacedataproxy.h" +#include "q3dcamera.h" + +#include <QMouseEvent> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class Q3DSurface + * \inmodule QtDataVisualization + * \brief The Q3DSurface class provides methods for rendering 3D surface plots. + * \since 1.0.0 + * + * This class enables developers to render 3D surface plots and to view them by rotating the scene + * freely. The class provides configurable gradient texture to illustrate the height on the data. The + * surface plotting includes also gridline that can be set on or off. The visual appearance of the + * surface can be changed by controlling the smooth status. + * + * The Q3DSurface supports selection by showing a highlighted ball on the data point where the user has clicked + * with left mouse button (when default input handler is in use). The selection pointer is accompanied with + * a label which in default case shows the value of the data point and the coordinates of the point. + * + * The value range and the label format shown on the axis can be controlled through Q3DValueAxis. + * The Q3DSurface supports only a grid with fixed steps, so when setting ranges set a value that matches + * the grid step. To calculate the steps divide the whole data range with the number of segments. + * + * To rotate the graph, hold down the right mouse button and move the mouse. Zooming is done using mouse + * wheel. Both assume the default input handler is in use. + * + * If no axes are explicitly set to Q3DSurface, temporary default axes with no labels are created. + * These default axes can be modified via axis accessors, but as soon any axis is explicitly + * set for the orientation, the default axis for that orientation is destroyed. + * + * Data proxies work similarly: If no data proxy is explicitly set, Q3DSurface creates a default + * proxy. If any other proxy is set as active data proxy later, the default proxy and all data + * added to it is destroyed. + * + * \section1 How to construct a minimal Q3DSurface graph + * + * First, construct Q3DSurface: + * + * \snippet doc_src_q3dsurface_construction.cpp 0 + * + * Now Q3DSurface is ready to receive data to be rendered. Create data elements to receive values: + * + * \snippet doc_src_q3dsurface_construction.cpp 1 + * + * First feed the data to the row element and then add it's pointer to the data element: + * + * \snippet doc_src_q3dsurface_construction.cpp 2 + * + * For the active data proxy set pointer of the data element: + * + * \snippet doc_src_q3dsurface_construction.cpp 3 + * + * Finally you will need to set it visible: + * + * \snippet doc_src_q3dsurface_construction.cpp 4 + * + * The complete code needed to create and display this graph is: + * + * \snippet doc_src_q3dsurface_construction.cpp 5 + * + * And this is what those few lines of code produce: + * + * \image q3dsurface-minimal.png + * + * The scene can be rotated and zoomed into, but no other interaction is included in this minimal + * code example. + * + * + * \sa Q3DBars, Q3DScatter, {Qt Data Visualization C++ Classes} + */ + +/*! + * Constructs a new 3D surface window. + */ +Q3DSurface::Q3DSurface() + : d_ptr(new Q3DSurfacePrivate(this, geometry())) +{ + setVisualController(d_ptr->m_shared); + d_ptr->m_shared->initializeOpenGL(); + QObject::connect(d_ptr->m_shared, &Abstract3DController::needRender, this, + &Q3DWindow::renderLater); +} + +/*! + * Destroys the 3D surface window. + */ +Q3DSurface::~Q3DSurface() +{ +} + +/*! + * \internal + */ +void Q3DSurface::mouseDoubleClickEvent(QMouseEvent *event) +{ + d_ptr->m_shared->mouseDoubleClickEvent(event); +} + +/*! + * \internal + */ +void Q3DSurface::touchEvent(QTouchEvent *event) +{ + d_ptr->m_shared->touchEvent(event); +} + +/*! + * \internal + */ +void Q3DSurface::mousePressEvent(QMouseEvent *event) +{ + d_ptr->m_shared->mousePressEvent(event, event->pos()); +} + +/*! + * \internal + */ +void Q3DSurface::mouseReleaseEvent(QMouseEvent *event) +{ + d_ptr->m_shared->mouseReleaseEvent(event, event->pos()); +} + +/*! + * \internal + */ +void Q3DSurface::mouseMoveEvent(QMouseEvent *event) +{ + d_ptr->m_shared->mouseMoveEvent(event, event->pos()); +} + +/*! + * \internal + */ +void Q3DSurface::wheelEvent(QWheelEvent *event) +{ + d_ptr->m_shared->wheelEvent(event); +} + +/*! + * \internal + */ +void Q3DSurface::resizeEvent(QResizeEvent *event) +{ + Q_UNUSED(event); + d_ptr->m_shared->setWidth(width()); + d_ptr->m_shared->setHeight(height()); +} + +/*! + * \property Q3DSurface::gridVisible + * + * Sets grid visibility to \a visible. It is preset to \c true by default. + */ +void Q3DSurface::setGridVisible(bool visible) +{ + d_ptr->m_shared->setGridEnabled(visible); +} + +bool Q3DSurface::isGridVisible() const +{ + return d_ptr->m_shared->gridEnabled(); +} + +/*! + * \property Q3DSurface::backgroundVisible + * + * Sets background visibility to \a visible. It is preset to \c true by default. + */ +void Q3DSurface::setBackgroundVisible(bool visible) +{ + d_ptr->m_shared->setBackgroundEnabled(visible); +} + +bool Q3DSurface::isBackgroundVisible() const +{ + return d_ptr->m_shared->backgroundEnabled(); +} + +/*! + * \property Q3DSurface::theme + * + * A predefined \a theme from \c QDataVis::Theme. It is preset to \c QDataVis::ThemeQt by + * default. Theme affects label colors, text color, background color, window color and + * grid color. Lighting is also adjusted by themes. + * + * \warning This property is subject to change. + */ +void Q3DSurface::setTheme(QDataVis::Theme theme) +{ + d_ptr->m_shared->setTheme(theme); +} + +QDataVis::Theme Q3DSurface::theme() const +{ + return d_ptr->m_shared->theme().theme(); +} + +/*! + * \property Q3DSurface::shadowQuality + * + * Sets shadow \a quality to one of \c QDataVis::ShadowQuality. It is preset to + * \c QDataVis::ShadowQualityMedium by default. + * + * \note If setting QDataVis::ShadowQuality of a certain level fails, a level is lowered + * until it is successful and shadowQualityChanged signal is emitted for each time the change is + * done. + */ +void Q3DSurface::setShadowQuality(QDataVis::ShadowQuality quality) +{ + return d_ptr->m_shared->setShadowQuality(quality); +} + +QDataVis::ShadowQuality Q3DSurface::shadowQuality() const +{ + return d_ptr->m_shared->shadowQuality(); +} + +/*! + * \property Q3DSurface::smoothSurfaceEnabled + * + * Sets surface smoothing to \a enabled. It is preset to \c false by default. + * When enabled the normals on the surface are interpolated making edges looking round. If turned + * off the normals are kept same on a triangle making the color of the triangle solid. This makes + * the data more readable from the model. + */ +void Q3DSurface::setSmoothSurfaceEnabled(bool enabled) +{ + d_ptr->m_shared->setSmoothSurface(enabled); +} + +bool Q3DSurface::isSmoothSurfaceEnabled() const +{ + return d_ptr->m_shared->smoothSurface(); +} + +/*! + * \property Q3DSurface::selectionMode + * + * Sets point selection \a mode to one of \c QDataVis::SelectionMode. Surface supports SelectionModeItem, + * SelectionModeSliceRow and SelectionModeSliceColumn. It is preset to \c QDataVis::SelectionModeItem by default. + */ +void Q3DSurface::setSelectionMode(QDataVis::SelectionMode mode) +{ + d_ptr->m_shared->setSelectionMode(mode); +} + +QDataVis::SelectionMode Q3DSurface::selectionMode() const +{ + return d_ptr->m_shared->selectionMode(); +} + + +/*! + * \property Q3DSurface::surfaceGridEnabled + * + * Sets surface grid to \a enabled. It is preset to \c true by default. + */ +void Q3DSurface::setSurfaceGridEnabled(bool enabled) +{ + d_ptr->m_shared->setSurfaceGrid(enabled); +} + +bool Q3DSurface::isSurfaceGridEnabled() const +{ + return d_ptr->m_shared->surfaceGrid(); +} + +/*! + * \property Q3DSurface::gradient + * + * The current surface gradient. Setting this property replaces the previous gradient with + * the given \a gradient. + */ +void Q3DSurface::setGradient(const QLinearGradient &gradient) +{ + d_ptr->m_shared->setGradient(gradient); +} + +QLinearGradient Q3DSurface::gradient() const +{ + return d_ptr->m_shared->gradient(); +} + +/*! + * \property Q3DSurface::font + * + * Sets the \a font for labels. It is preset to \c Arial by default. + */ +void Q3DSurface::setFont(const QFont &font) +{ + d_ptr->m_shared->setFont(font); +} + +QFont Q3DSurface::font() const +{ + return d_ptr->m_shared->font(); +} + +/*! + * \property Q3DSurface::scene + * + * This property contains the read only Q3DScene that can be used to access e.g. camera object. + */ +Q3DScene *Q3DSurface::scene() const +{ + return d_ptr->m_shared->scene(); +} + +/*! + * \property Q3DSurface::labelStyle + * + * Sets label \a style to one of \c QDataVis::LabelStyle. It is preset to + * \c QDataVis::LabelStyleFromTheme by default. + */ +void Q3DSurface::setLabelStyle(QDataVis::LabelStyle style) +{ + d_ptr->m_shared->setLabelStyle(style); +} + +QDataVis::LabelStyle Q3DSurface::labelStyle() const +{ + return d_ptr->m_shared->labelStyle(); +} + +/*! + * Sets a user-defined X-axis. Implicitly calls addAxis() to transfer ownership + * of the \a axis to this graph. + * + * If the \a axis is null, a temporary default axis with no labels and automatically adjusting + * range is created. + * This temporary axis is destroyed if another \a axis is explicitly set to same orientation. + * + * \sa addAxis(), releaseAxis() + */ +void Q3DSurface::setAxisX(Q3DValueAxis *axis) +{ + d_ptr->m_shared->setAxisX(axis); +} + +/*! + * \return used X-axis. + */ +Q3DValueAxis *Q3DSurface::axisX() const +{ + return static_cast<Q3DValueAxis *>(d_ptr->m_shared->axisX()); +} + +/*! + * Sets a user-defined Y-axis. Implicitly calls addAxis() to transfer ownership + * of the \a axis to this graph. + * + * If the \a axis is null, a temporary default axis with no labels and automatically adjusting + * range is created. + * This temporary axis is destroyed if another \a axis is explicitly set to same orientation. + * + * \sa addAxis(), releaseAxis() + */ +void Q3DSurface::setAxisY(Q3DValueAxis *axis) +{ + d_ptr->m_shared->setAxisY(axis); +} + +/*! + * \return used Y-axis. + */ +Q3DValueAxis *Q3DSurface::axisY() const +{ + return static_cast<Q3DValueAxis *>(d_ptr->m_shared->axisY()); +} + +/*! + * Sets a user-defined Z-axis. Implicitly calls addAxis() to transfer ownership + * of the \a axis to this graph. + * + * If the \a axis is null, a temporary default axis with no labels and automatically adjusting + * range is created. + * This temporary axis is destroyed if another \a axis is explicitly set to same orientation. + * + * \sa addAxis(), releaseAxis() + */ +void Q3DSurface::setAxisZ(Q3DValueAxis *axis) +{ + d_ptr->m_shared->setAxisZ(axis); +} + +/*! + * \return used Z-axis. + */ +Q3DValueAxis *Q3DSurface::axisZ() const +{ + return static_cast<Q3DValueAxis *>(d_ptr->m_shared->axisZ()); +} + +/*! + * Adds \a axis to the graph. The axes added via addAxis are not yet taken to use, + * addAxis is simply used to give the ownership of the \a axis to the graph. + * The \a axis must not be null or added to another graph. + * + * \sa releaseAxis(), setAxisX(), setAxisY(), setAxisZ() + */ +void Q3DSurface::addAxis(Q3DValueAxis *axis) +{ + d_ptr->m_shared->addAxis(axis); +} + +/*! + * Releases the ownership of the \a axis back to the caller, if it is added to this graph. + * If the released \a axis is in use, a new default axis will be created and set active. + * + * If the default axis is released and added back later, it behaves as any other axis would. + * + * \sa addAxis(), setAxisX(), setAxisY(), setAxisZ() + */ +void Q3DSurface::releaseAxis(Q3DValueAxis *axis) +{ + d_ptr->m_shared->releaseAxis(axis); +} + +/*! + * \return list of all added axes. + * + * \sa addAxis() + */ +QList<Q3DValueAxis *> Q3DSurface::axes() const +{ + QList<Q3DAbstractAxis *> abstractAxes = d_ptr->m_shared->axes(); + QList<Q3DValueAxis *> retList; + foreach (Q3DAbstractAxis *axis, abstractAxes) + retList.append(static_cast<Q3DValueAxis *>(axis)); + + return retList; +} + +/*! + * Sets the active data \a proxy. Implicitly calls addDataProxy() to transfer ownership of + * the \a proxy to this graph. + * + * If the \a proxy is null, a temporary default proxy is created and activated. + * This temporary proxy is destroyed if another \a proxy is explicitly set active via this method. + * + * \sa addDataProxy(), releaseDataProxy() + */ +void Q3DSurface::setActiveDataProxy(QSurfaceDataProxy *proxy) +{ + d_ptr->m_shared->setActiveDataProxy(proxy); +} + +/*! + * \return active data proxy. + */ +QSurfaceDataProxy *Q3DSurface::activeDataProxy() const +{ + return static_cast<QSurfaceDataProxy *>(d_ptr->m_shared->activeDataProxy()); +} + +/*! + * Adds data \a proxy to the graph. The proxies added via addDataProxy are not yet taken to use, + * addDataProxy is simply used to give the ownership of the data \a proxy to the graph. + * The \a proxy must not be null or added to another graph. + * + * \sa releaseDataProxy(), setActiveDataProxy() + */ +void Q3DSurface::addDataProxy(QSurfaceDataProxy *proxy) +{ + d_ptr->m_shared->addDataProxy(proxy); +} + +/*! + * Releases the ownership of the data \a proxy back to the caller, if it is added to this graph. + * If the released \a proxy is in use, a new empty default proxy is created and taken to use. + * + * If the default \a proxy is released and added back later, it behaves as any other proxy would. + * + * \sa addDataProxy(), setActiveDataProxy() + */ +void Q3DSurface::releaseDataProxy(QSurfaceDataProxy *proxy) +{ + d_ptr->m_shared->releaseDataProxy(proxy); +} + +/*! + * \return list of all added data proxies. + * + * \sa addDataProxy() + */ +QList<QSurfaceDataProxy *> Q3DSurface::dataProxies() const +{ + QList<QSurfaceDataProxy *> retList; + QList<QAbstractDataProxy *> abstractList = d_ptr->m_shared->dataProxies(); + foreach (QAbstractDataProxy *proxy, abstractList) + retList.append(static_cast<QSurfaceDataProxy *>(proxy)); + + return retList; +} + + +/*! + * Modifies the current surface gradient. Sets gradient color to \a color at \a pos. + */ +void Q3DSurface::setGradientColorAt(qreal pos, const QColor &color) +{ + d_ptr->m_shared->setGradientColorAt(pos, color); +} + +/////////////////// PRIVATE /////////////////////////////////// + +Q3DSurfacePrivate::Q3DSurfacePrivate(Q3DSurface *q, QRect rect) + : q_ptr(q), + m_shared(new Surface3DController(rect)) +{ +} + +Q3DSurfacePrivate::~Q3DSurfacePrivate() +{ + delete m_shared; +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/q3dsurface.h b/src/datavisualization/engine/q3dsurface.h new file mode 100644 index 00000000..1b572a36 --- /dev/null +++ b/src/datavisualization/engine/q3dsurface.h @@ -0,0 +1,123 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef Q3DSURFACE_H +#define Q3DSURFACE_H + +#include <QtDataVisualization/qdatavisualizationenums.h> +#include <QtDataVisualization/q3dwindow.h> +#include <QtDataVisualization/q3dscene.h> +#include <QFont> +#include <QLinearGradient> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DSurfacePrivate; +class Q3DValueAxis; +class QSurfaceDataProxy; + +class QT_DATAVISUALIZATION_EXPORT Q3DSurface : public Q3DWindow +{ + Q_OBJECT + Q_PROPERTY(QtDataVisualization::QDataVis::SelectionMode selectionMode READ selectionMode WRITE setSelectionMode) + Q_PROPERTY(QtDataVisualization::QDataVis::LabelStyle labelStyle READ labelStyle WRITE setLabelStyle) + Q_PROPERTY(QtDataVisualization::QDataVis::Theme theme READ theme WRITE setTheme) + Q_PROPERTY(QtDataVisualization::QDataVis::ShadowQuality shadowQuality READ shadowQuality WRITE setShadowQuality) + Q_PROPERTY(bool gridVisible READ isGridVisible WRITE setGridVisible) + Q_PROPERTY(bool backgroundVisible READ isBackgroundVisible WRITE setBackgroundVisible) + Q_PROPERTY(bool smoothSurfaceEnabled READ isSmoothSurfaceEnabled WRITE setSmoothSurfaceEnabled) + Q_PROPERTY(bool surfaceGridEnabled READ isSurfaceGridEnabled WRITE setSurfaceGridEnabled) + Q_PROPERTY(QLinearGradient gradient READ gradient WRITE setGradient) + Q_PROPERTY(QFont font READ font WRITE setFont) + Q_PROPERTY(Q3DScene* scene READ scene) + Q_ENUMS(QtDataVisualization::QDataVis::SelectionMode) + Q_ENUMS(QtDataVisualization::QDataVis::ShadowQuality) + Q_ENUMS(QtDataVisualization::QDataVis::LabelStyle) + Q_ENUMS(QtDataVisualization::QDataVis::CameraPreset) + +public: + explicit Q3DSurface(); + ~Q3DSurface(); + + void setGridVisible(bool visible); + bool isGridVisible() const; + + void setBackgroundVisible(bool visible); + bool isBackgroundVisible() const; + + void setTheme(QDataVis::Theme theme); + QDataVis::Theme theme() const; + + void setShadowQuality(QDataVis::ShadowQuality quality); + QDataVis::ShadowQuality shadowQuality() const; + + void setSmoothSurfaceEnabled(bool enabled); + bool isSmoothSurfaceEnabled() const; + + void setSelectionMode(QDataVis::SelectionMode mode); + QDataVis::SelectionMode selectionMode() const; + void setSurfaceGridEnabled(bool enabled); + bool isSurfaceGridEnabled() const; + + void setGradient(const QLinearGradient &gradient); + QLinearGradient gradient() const; + + void setGradientColorAt(qreal pos, const QColor &color); + + // Axes + void setAxisX(Q3DValueAxis *axis); + Q3DValueAxis *axisX() const; + void setAxisY(Q3DValueAxis *axis); + Q3DValueAxis *axisY() const; + void setAxisZ(Q3DValueAxis *axis); + Q3DValueAxis *axisZ() const; + void addAxis(Q3DValueAxis *axis); + void releaseAxis(Q3DValueAxis *axis); + QList<Q3DValueAxis *> axes() const; + + void setActiveDataProxy(QSurfaceDataProxy *proxy); + QSurfaceDataProxy *activeDataProxy() const; + void addDataProxy(QSurfaceDataProxy *proxy); + void releaseDataProxy(QSurfaceDataProxy *proxy); + QList<QSurfaceDataProxy *> dataProxies() const; + + void setFont(const QFont &font); + QFont font() const; + + Q3DScene *scene() const; + + void setLabelStyle(QDataVis::LabelStyle style); + QDataVis::LabelStyle labelStyle() const; + +protected: + void mouseDoubleClickEvent(QMouseEvent *event); + void touchEvent(QTouchEvent *event); + void mousePressEvent(QMouseEvent *event); + void mouseReleaseEvent(QMouseEvent *event); + void mouseMoveEvent(QMouseEvent *event); + void wheelEvent(QWheelEvent *event); + void resizeEvent(QResizeEvent *event); + +private: + QScopedPointer<Q3DSurfacePrivate> d_ptr; + Q_DISABLE_COPY(Q3DSurface) +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // Q3DSURFACE_H diff --git a/src/datavisualization/engine/q3dsurface_p.h b/src/datavisualization/engine/q3dsurface_p.h new file mode 100644 index 00000000..7c70d08c --- /dev/null +++ b/src/datavisualization/engine/q3dsurface_p.h @@ -0,0 +1,53 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef Q3DSURFACE_P_H +#define Q3DSURFACE_P_H + +#include "surface3dcontroller_p.h" +#include "qdatavisualizationenums.h" + +#include <QList> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DSurface; + +class Q3DSurfacePrivate : public QObject +{ +public: + Q3DSurfacePrivate(Q3DSurface *q, QRect rect); + ~Q3DSurfacePrivate(); + + Q3DSurface *q_ptr; + Surface3DController *m_shared; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // Q3DSURFACE_P_H diff --git a/src/datavisualization/engine/q3dwindow.cpp b/src/datavisualization/engine/q3dwindow.cpp new file mode 100644 index 00000000..9b607e1d --- /dev/null +++ b/src/datavisualization/engine/q3dwindow.cpp @@ -0,0 +1,197 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "q3dwindow.h" +#include "q3dwindow_p.h" +#include "abstract3dcontroller_p.h" +#include <QGuiApplication> + +#include <QOpenGLContext> +#include <QOpenGLPaintDevice> +#include <QPainter> + +#include <QDebug> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + * \class Q3DWindow + * \inmodule QtDataVisualization + * \brief The Q3DWindow class provides a window and render loop. + * \since 1.0.0 + * + * This class creates a QWindow and provides render loop for visualization types inheriting it. + * \warning This class is not intended to be used directly by developers. + * + * \sa Q3DBars, Q3DScatter, Q3DSurface, {Qt Data Visualization C++ Classes} + */ + +/*! + * Constructs Q3DWindow with \a parent. It creates a QWindow and an OpenGL context. It also sets + * surface format and initializes OpenGL functions for use. + */ +Q3DWindow::Q3DWindow(QWindow *parent) + : QWindow(parent), + d_ptr(new Q3DWindowPrivate(this)) +{ + setSurfaceType(QWindow::OpenGLSurface); + QSurfaceFormat surfaceFormat; + surfaceFormat.setDepthBufferSize(16); +#if !defined(QT_OPENGL_ES_2) + surfaceFormat.setSamples(8); + surfaceFormat.setRenderableType(QSurfaceFormat::OpenGL); +#else + surfaceFormat.setRenderableType(QSurfaceFormat::OpenGLES); +#endif + surfaceFormat.setSwapBehavior(QSurfaceFormat::DoubleBuffer); + setFormat(surfaceFormat); + + create(); + + d_ptr->m_context->setFormat(requestedFormat()); + d_ptr->m_context->create(); + d_ptr->m_context->makeCurrent(this); + + qDebug() << "initializeOpenGLFunctions()"; + initializeOpenGLFunctions(); + + const GLubyte *version = glGetString(GL_VERSION); + qDebug() << "OpenGL version:" << (const char *)version; + version = glGetString(GL_SHADING_LANGUAGE_VERSION); + qDebug() << "GLSL version:" << (const char *)version; +#if !defined(QT_OPENGL_ES_2) + // If we have real OpenGL, GLSL version must be 1.2 or over. Quit if not. + QStringList splitversionstr = QString::fromLatin1((const char *)version).split(QChar::fromLatin1(' ')); + if (splitversionstr[0].toFloat() < 1.2) + qFatal("GLSL version must be 1.20 or higher. Try installing latest display drivers."); +#endif + renderLater(); +} + +/*! + * Destroys Q3DWindow. + */ +Q3DWindow::~Q3DWindow() +{ +} + +/*! + * \internal + */ +void Q3DWindow::setVisualController(Abstract3DController *controller) +{ + d_ptr->m_visualController = controller; +} + +/*! + * \internal + */ +void Q3DWindow::handleDevicePixelRatioChange() +{ + if (QWindow::devicePixelRatio() == d_ptr->m_devicePixelRatio || !d_ptr->m_visualController) + return; + + // Device pixel ratio changed, resize accordingly and inform the scene + d_ptr->m_devicePixelRatio = QWindow::devicePixelRatio(); + d_ptr->m_visualController->updateDevicePixelRatio(d_ptr->m_devicePixelRatio); + +} + +/*! + * \internal + */ +void Q3DWindow::render() +{ + handleDevicePixelRatioChange(); + d_ptr->m_visualController->synchDataToRenderer(); + d_ptr->m_visualController->render(); +} + +/*! + * \internal + */ +void Q3DWindow::renderLater() +{ + if (!d_ptr->m_updatePending) { + d_ptr->m_updatePending = true; + QCoreApplication::postEvent(this, new QEvent(QEvent::UpdateRequest)); + } +} + +/*! + * \internal + */ +bool Q3DWindow::event(QEvent *event) +{ + switch (event->type()) { + case QEvent::UpdateRequest: + renderNow(); + return true; + case QEvent::TouchBegin: + case QEvent::TouchCancel: + case QEvent::TouchUpdate: + case QEvent::TouchEnd: + d_ptr->m_visualController->touchEvent(static_cast<QTouchEvent *>(event)); + return true; + default: + return QWindow::event(event); + } +} + +/*! + * \internal + */ +void Q3DWindow::exposeEvent(QExposeEvent *event) +{ + Q_UNUSED(event); + + if (isExposed()) + renderNow(); +} + +/*! + * \internal + */ +void Q3DWindow::renderNow() +{ + if (!isExposed()) + return; + + d_ptr->m_updatePending = false; + + d_ptr->m_context->makeCurrent(this); + + render(); + + d_ptr->m_context->swapBuffers(this); +} + +Q3DWindowPrivate::Q3DWindowPrivate(Q3DWindow *q) + : q_ptr(q), + m_updatePending(false), + m_context(new QOpenGLContext(q)), + m_visualController(0), + m_devicePixelRatio(1.f) +{ +} + +Q3DWindowPrivate::~Q3DWindowPrivate() +{ +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/q3dwindow.h b/src/datavisualization/engine/q3dwindow.h new file mode 100644 index 00000000..1848ff29 --- /dev/null +++ b/src/datavisualization/engine/q3dwindow.h @@ -0,0 +1,65 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef Q3DWINDOW_H +#define Q3DWINDOW_H + +#include <QtDataVisualization/qdatavisualizationenums.h> + +#include <QWindow> +#include <QOpenGLFunctions> +#include <QScreen> + +class QPainter; + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DWindowPrivate; +class Abstract3DController; + +class QT_DATAVISUALIZATION_EXPORT Q3DWindow : public QWindow, protected QOpenGLFunctions +{ + Q_OBJECT + +public: + explicit Q3DWindow(QWindow *parent = 0); + virtual ~Q3DWindow(); + +protected slots: + void renderLater(); + void renderNow(); + +protected: + virtual void render(); + + bool event(QEvent *event); + void exposeEvent(QExposeEvent *event); + void setVisualController(Abstract3DController *controller); + void handleDevicePixelRatioChange(); + +private: + QScopedPointer<Q3DWindowPrivate> d_ptr; + + friend class Q3DBars; + friend class Q3DScatter; + friend class Q3DSurface; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/engine/q3dwindow_p.h b/src/datavisualization/engine/q3dwindow_p.h new file mode 100644 index 00000000..6bef7e10 --- /dev/null +++ b/src/datavisualization/engine/q3dwindow_p.h @@ -0,0 +1,59 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef Q3DWINDOW_p_H +#define Q3DWINDOW_p_H + +#include "datavisualizationglobal_p.h" + +class QOpenGLContext; +class QOpenGLPaintDevice; + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DWindow; +class Abstract3DController; + +class Q3DWindowPrivate +{ +public: + Q3DWindowPrivate(Q3DWindow *q); + ~Q3DWindowPrivate(); + +public: + Q3DWindow *q_ptr; + + bool m_updatePending; + QOpenGLContext *m_context; + Abstract3DController *m_visualController; + qreal m_devicePixelRatio; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/engine/scatter3dcontroller.cpp b/src/datavisualization/engine/scatter3dcontroller.cpp new file mode 100644 index 00000000..9f43d94e --- /dev/null +++ b/src/datavisualization/engine/scatter3dcontroller.cpp @@ -0,0 +1,271 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "scatter3dcontroller_p.h" +#include "scatter3drenderer_p.h" +#include "camerahelper_p.h" +#include "q3dabstractaxis_p.h" +#include "q3dvalueaxis_p.h" +#include "qscatterdataproxy_p.h" + +#include <QMatrix4x4> +#include <qmath.h> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +Scatter3DController::Scatter3DController(QRect boundRect) + : Abstract3DController(boundRect), + m_renderer(0), + m_selectedItemIndex(noSelectionIndex()) +{ + // Default object type; specific to scatter + setObjectType(QDataVis::MeshStyleSpheres, false); + + setActiveDataProxy(new QScatterDataProxy); + + // Setting a null axis creates a new default axis according to orientation and graph type. + // Note: These cannot be set in Abstract3DController constructor, as they will call virtual + // functions implemented by subclasses. + setAxisX(0); + setAxisY(0); + setAxisZ(0); +} + +Scatter3DController::~Scatter3DController() +{ +} + +void Scatter3DController::initializeOpenGL() +{ + // Initialization is called multiple times when Qt Quick components are used + if (isInitialized()) + return; + + m_renderer = new Scatter3DRenderer(this); + setRenderer(m_renderer); + synchDataToRenderer(); + + QObject::connect(m_renderer, &Scatter3DRenderer::selectedItemIndexChanged, this, + &Scatter3DController::handleSelectedItemIndexChanged, Qt::QueuedConnection); + emitNeedRender(); +} + +void Scatter3DController::synchDataToRenderer() +{ + Abstract3DController::synchDataToRenderer(); + + if (!isInitialized()) + return; + + // Notify changes to renderer + if (m_changeTracker.slicingActiveChanged) { + // TODO: Add notification. + m_changeTracker.slicingActiveChanged = false; + } + + if (m_changeTracker.selectedItemIndexChanged) { + m_renderer->updateSelectedItemIndex(m_selectedItemIndex); + m_changeTracker.selectedItemIndexChanged = false; + } + + if (m_isDataDirty) { + m_renderer->updateDataModel(static_cast<QScatterDataProxy *>(m_data)); + m_isDataDirty = false; + } +} + + +void Scatter3DController::setActiveDataProxy(QAbstractDataProxy *proxy) +{ + // Setting null proxy indicates default proxy + if (!proxy) { + proxy = new QScatterDataProxy; + proxy->d_ptr->setDefaultProxy(true); + } + + Q_ASSERT(proxy->type() == QAbstractDataProxy::DataTypeScatter); + + Abstract3DController::setActiveDataProxy(proxy); + + QScatterDataProxy *scatterDataProxy = static_cast<QScatterDataProxy *>(m_data); + + QObject::connect(scatterDataProxy, &QScatterDataProxy::arrayReset, + this, &Scatter3DController::handleArrayReset); + QObject::connect(scatterDataProxy, &QScatterDataProxy::itemsAdded, + this, &Scatter3DController::handleItemsAdded); + QObject::connect(scatterDataProxy, &QScatterDataProxy::itemsChanged, + this, &Scatter3DController::handleItemsChanged); + QObject::connect(scatterDataProxy, &QScatterDataProxy::itemsRemoved, + this, &Scatter3DController::handleItemsRemoved); + QObject::connect(scatterDataProxy, &QScatterDataProxy::itemsInserted, + this, &Scatter3DController::handleItemsInserted); + + adjustValueAxisRange(); + setSelectedItemIndex(noSelectionIndex()); + setSlicingActive(false); + m_isDataDirty = true; + emitNeedRender(); +} + +void Scatter3DController::handleArrayReset() +{ + setSlicingActive(false); + adjustValueAxisRange(); + m_isDataDirty = true; + setSelectedItemIndex(noSelectionIndex()); + emitNeedRender(); +} + +void Scatter3DController::handleItemsAdded(int startIndex, int count) +{ + Q_UNUSED(startIndex) + Q_UNUSED(count) + // TODO should dirty only affected values? + adjustValueAxisRange(); + m_isDataDirty = true; + emitNeedRender(); +} + +void Scatter3DController::handleItemsChanged(int startIndex, int count) +{ + Q_UNUSED(startIndex) + Q_UNUSED(count) + // TODO should dirty only affected values? + adjustValueAxisRange(); + m_isDataDirty = true; + emitNeedRender(); +} + +void Scatter3DController::handleItemsRemoved(int startIndex, int count) +{ + Q_UNUSED(startIndex) + Q_UNUSED(count) + // TODO should dirty only affected values? + adjustValueAxisRange(); + m_isDataDirty = true; + if (startIndex >= static_cast<QScatterDataProxy *>(m_data)->itemCount()) + setSelectedItemIndex(noSelectionIndex()); + emitNeedRender(); +} + +void Scatter3DController::handleItemsInserted(int startIndex, int count) +{ + Q_UNUSED(startIndex) + Q_UNUSED(count) + // TODO should dirty only affected values? + adjustValueAxisRange(); + m_isDataDirty = true; + emitNeedRender(); +} + +void Scatter3DController::handleSelectedItemIndexChanged(int index) +{ + if (index != m_selectedItemIndex) { + m_selectedItemIndex = index; + emit selectedItemIndexChanged(index); + emitNeedRender(); + } +} + +void Scatter3DController::handleAxisAutoAdjustRangeChangedInOrientation( + Q3DAbstractAxis::AxisOrientation orientation, bool autoAdjust) +{ + Q_UNUSED(orientation) + Q_UNUSED(autoAdjust) + adjustValueAxisRange(); +} + +void Scatter3DController::setObjectType(QDataVis::MeshStyle style, bool smooth) +{ + QString objFile; + if (style == QDataVis::MeshStyleSpheres) { + if (smooth) + objFile = QStringLiteral(":/defaultMeshes/sphereSmooth"); + else + objFile = QStringLiteral(":/defaultMeshes/sphere"); + } else { + if (smooth) + objFile = QStringLiteral(":/defaultMeshes/dotSmooth"); + else + objFile = QStringLiteral(":/defaultMeshes/dot"); + } + Abstract3DController::setMeshFileName(objFile); +} + +void Scatter3DController::setSelectionMode(QDataVis::SelectionMode mode) +{ + if (mode > QDataVis::SelectionModeItem) { + qWarning("Unsupported selection mode."); + return; + } + // Disable zoom if selection mode changes + setSlicingActive(false); + Abstract3DController::setSelectionMode(mode); +} + +void Scatter3DController::setSelectedItemIndex(int index) +{ + // TODO If items not within axis ranges are culled from drawing, should they be + // TODO unselectable as well? + if (index < 0 || index >= static_cast<QScatterDataProxy *>(m_data)->itemCount()) + index = noSelectionIndex(); + + if (index != m_selectedItemIndex) { + m_selectedItemIndex = index; + m_changeTracker.selectedItemIndexChanged = true; + emit selectedItemIndexChanged(index); + emitNeedRender(); + } +} + +int Scatter3DController::selectedItemIndex() const +{ + return m_selectedItemIndex; +} + +void Scatter3DController::adjustValueAxisRange() +{ + if (m_data) { + QVector3D limits = static_cast<QScatterDataProxy *>(m_data)->dptr()->limitValues(); + Q3DValueAxis *valueAxis = static_cast<Q3DValueAxis *>(m_axisX); + if (valueAxis && valueAxis->isAutoAdjustRange()) { + if (limits.x() > 0) + valueAxis->dptr()->setRange(-limits.x(), limits.x()); + else + valueAxis->dptr()->setRange(-1.0, 1.0); // Only zero value values in data set, set range to default. + } + + valueAxis = static_cast<Q3DValueAxis *>(m_axisY); + if (valueAxis && valueAxis->isAutoAdjustRange()) { + if (limits.y() > 0) + valueAxis->dptr()->setRange(-limits.y(), limits.y()); + else + valueAxis->dptr()->setRange(-1.0, 1.0); // Only zero value values in data set, set range to default. + } + + valueAxis = static_cast<Q3DValueAxis *>(m_axisZ); + if (valueAxis && valueAxis->isAutoAdjustRange()) { + if (limits.z() > 0) + valueAxis->dptr()->setRange(-limits.z(), limits.z()); + else + valueAxis->dptr()->setRange(-1.0, 1.0); // Only zero value values in data set, set range to default. + } + } +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/scatter3dcontroller_p.h b/src/datavisualization/engine/scatter3dcontroller_p.h new file mode 100644 index 00000000..63735aca --- /dev/null +++ b/src/datavisualization/engine/scatter3dcontroller_p.h @@ -0,0 +1,106 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef Q3DSCATTERCONTROLLER_p_H +#define Q3DSCATTERCONTROLLER_p_H + +#include "datavisualizationglobal_p.h" +#include "abstract3dcontroller_p.h" + +//#define DISPLAY_RENDER_SPEED + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Scatter3DRenderer; +class QScatterDataProxy; + +struct Scatter3DChangeBitField { + bool slicingActiveChanged : 1; + bool selectedItemIndexChanged : 1; + + Scatter3DChangeBitField() : + slicingActiveChanged(true), + selectedItemIndexChanged(true) + { + } +}; + +class QT_DATAVISUALIZATION_EXPORT Scatter3DController : public Abstract3DController +{ + Q_OBJECT + +private: + Scatter3DChangeBitField m_changeTracker; + + // Rendering + Scatter3DRenderer *m_renderer; + int m_selectedItemIndex; + +public: + explicit Scatter3DController(QRect rect); + ~Scatter3DController(); + + void initializeOpenGL(); + + // Object type + void setObjectType(QDataVis::MeshStyle style, bool smooth = false); + + // Change selection mode + void setSelectionMode(QDataVis::SelectionMode mode); + + void setSelectedItemIndex(int index); + int selectedItemIndex() const; + static inline int noSelectionIndex() { return -1; } + + virtual void setActiveDataProxy(QAbstractDataProxy *proxy); + + void synchDataToRenderer(); + + virtual void handleAxisAutoAdjustRangeChangedInOrientation(Q3DAbstractAxis::AxisOrientation orientation, bool autoAdjust); + +public slots: + void handleArrayReset(); + void handleItemsAdded(int startIndex, int count); + void handleItemsChanged(int startIndex, int count); + void handleItemsRemoved(int startIndex, int count); + void handleItemsInserted(int startIndex, int count); + void handleSelectedItemIndexChanged(int index); + +signals: + void selectedItemIndexChanged(int index); + +private: + void adjustValueAxisRange(); + + Q_DISABLE_COPY(Scatter3DController) +}; + + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/engine/scatter3drenderer.cpp b/src/datavisualization/engine/scatter3drenderer.cpp new file mode 100644 index 00000000..a482cc42 --- /dev/null +++ b/src/datavisualization/engine/scatter3drenderer.cpp @@ -0,0 +1,1623 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "scatter3drenderer_p.h" +#include "scatter3dcontroller_p.h" +#include "q3dcamera.h" +#include "q3dcamera_p.h" +#include "shaderhelper_p.h" +#include "objecthelper_p.h" +#include "texturehelper_p.h" +#include "utils_p.h" +#include "q3dlight.h" + +#include <QMatrix4x4> +#include <QMouseEvent> +#include <QThread> +#include <qmath.h> +#include <QDebug> + +// Commenting this draws the shadow map with perspective projection. Otherwise it's drawn in +// orthographic projection. +//#define USE_WIDER_SHADOWS + +// You can verify that depth buffer drawing works correctly by uncommenting this. +// You should see the scene from where the light is +//#define SHOW_DEPTH_TEXTURE_SCENE + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +//#define USE_UNIFORM_SCALING // Scale x and z uniformly, or based on autoscaled values + +const GLfloat aspectRatio = 2.0f; // Forced ratio of x and z to y. Dynamic will make it look odd. +const GLfloat labelMargin = 0.05f; +// TODO: Make margin modifiable? +const GLfloat backgroundMargin = 1.1f; // Margin for background (1.1f = make it 10% larger to avoid items being drawn inside background) +const GLfloat gridLineWidth = 0.005f; +static QVector3D selectionSkipColor = QVector3D(255, 255, 255); // Selection texture's background color + +Scatter3DRenderer::Scatter3DRenderer(Scatter3DController *controller) + : Abstract3DRenderer(controller), + m_controller(controller), + m_selectedItem(0), + m_xFlipped(false), + m_zFlipped(false), + m_yFlipped(false), + m_updateLabels(false), + m_dotShader(0), + m_depthShader(0), + m_selectionShader(0), + m_backgroundShader(0), + m_labelShader(0), + m_dotObj(0), + m_backgroundObj(0), + m_gridLineObj(0), + m_labelObj(0), + m_bgrTexture(0), + m_depthTexture(0), + m_selectionTexture(0), + m_depthFrameBuffer(0), + m_selectionFrameBuffer(0), + m_selectionDepthBuffer(0), + m_shadowQualityToShader(100.0f), + m_shadowQualityMultiplier(3), + m_heightNormalizer(1.0f), + m_scaleFactor(0), + m_selection(selectionSkipColor), + m_previousSelection(selectionSkipColor), + m_areaSize(QSizeF(0.0, 0.0)), + m_dotSizeScale(1.0f), + m_hasHeightAdjustmentChanged(true) +{ + initializeOpenGLFunctions(); + initializeOpenGL(); +} + +Scatter3DRenderer::~Scatter3DRenderer() +{ + m_textureHelper->glDeleteFramebuffers(1, &m_selectionFrameBuffer); + m_textureHelper->glDeleteRenderbuffers(1, &m_selectionDepthBuffer); + m_textureHelper->deleteTexture(&m_selectionTexture); + m_textureHelper->glDeleteFramebuffers(1, &m_depthFrameBuffer); + m_textureHelper->deleteTexture(&m_bgrTexture); + delete m_dotShader; + delete m_depthShader; + delete m_selectionShader; + delete m_backgroundShader; + delete m_labelShader; + delete m_dotObj; + delete m_backgroundObj; + delete m_gridLineObj; + delete m_labelObj; +} + +void Scatter3DRenderer::initializeOpenGL() +{ + Abstract3DRenderer::initializeOpenGL(); + + // Initialize shaders + handleShadowQualityChange(); + + initLabelShaders(QStringLiteral(":/shaders/vertexLabel"), + QStringLiteral(":/shaders/fragmentLabel")); + +#if !defined(QT_OPENGL_ES_2) + // Init depth shader (for shadows). Init in any case, easier to handle shadow activation if done via api. + initDepthShader(); +#endif + + // Init selection shader + initSelectionShader(); + + // Load grid line mesh + loadGridLineMesh(); + + // Load label mesh + loadLabelMesh(); + + // Set view port + glViewport(m_mainViewPort.x(), m_mainViewPort.y(), + m_mainViewPort.width(), m_mainViewPort.height()); + + // Load background mesh (we need to be initialized first) + loadBackgroundMesh(); +} + +void Scatter3DRenderer::updateDataModel(QScatterDataProxy *dataProxy) +{ + const QScatterDataArray &dataArray = *dataProxy->array(); + calculateSceneScalingFactors(); + int dataSize = dataArray.size(); + float minX = float(m_axisCacheX.min()); + float maxX = float(m_axisCacheX.max()); + float minY = float(m_axisCacheY.min()); + float maxY = float(m_axisCacheY.max()); + float minZ = float(m_axisCacheZ.min()); + float maxZ = float(m_axisCacheZ.max()); + + if (dataSize != m_renderItemArray.size()) + m_renderItemArray.resize(dataSize); + for (int i = 0; i < dataSize ; i++) { + QVector3D dotPos = dataArray.at(i).position(); + // TODO: Check if this still works always when ranges are no longer required to be zero centered + // TODO: qreal -> float conversion for axis min/max may cause issues like in surface + if ((dotPos.x() >= minX && dotPos.x() <= maxX ) + && (dotPos.y() >= minY && dotPos.y() <= maxY) + && (dotPos.z() >= minZ && dotPos.z() <= maxZ)) { + m_renderItemArray[i].setPosition(dotPos); + m_renderItemArray[i].setVisible(true); + calculateTranslation(m_renderItemArray[i]); + } else { + m_renderItemArray[i].setVisible(false); + } + } + m_dotSizeScale = (GLfloat)qBound(0.01, (2.0 / qSqrt((qreal)dataSize)), 0.1); + m_selectedItem = 0; + + Abstract3DRenderer::updateDataModel(dataProxy); +} + +void Scatter3DRenderer::updateScene(Q3DScene *scene) +{ + // TODO: Move these to more suitable place e.g. controller should be controlling the viewports. + scene->setPrimarySubViewport(m_mainViewPort); + + // TODO: See QTRD-2374 + scene->activeCamera()->setMinYRotation(-90.0f); + + if (m_hasHeightAdjustmentChanged) { + // Set initial m_cachedScene->activeCamera() position. Also update if height adjustment has changed. + scene->activeCamera()->setBaseOrientation(QVector3D(0.0f, 0.0f, cameraDistance + zComp), + QVector3D(0.0f, 0.0f, zComp), + QVector3D(0.0f, 1.0f, 0.0f)); + m_hasHeightAdjustmentChanged = false; + } + + scene->activeCamera()->d_ptr->updateViewMatrix(m_autoScaleAdjustment); + // Set light position (rotate light with m_cachedScene->activeCamera(), a bit above it (as set in defaultLightPos)) + scene->setLightPositionRelativeToCamera(defaultLightPos); + + Abstract3DRenderer::updateScene(scene); +} + +void Scatter3DRenderer::render(GLuint defaultFboHandle) +{ + // Handle GL state setup for FBO buffers and clearing of the render surface + Abstract3DRenderer::render(defaultFboHandle); + + // Draw dots scene + drawScene(defaultFboHandle); +} + +void Scatter3DRenderer::drawScene(const GLuint defaultFboHandle) +{ + GLfloat backgroundRotation = 0; + + // Specify viewport + glViewport(m_mainViewPort.x(), m_mainViewPort.y(), + m_mainViewPort.width(), m_mainViewPort.height()); + + // Set up projection matrix + QMatrix4x4 projectionMatrix; + projectionMatrix.perspective(45.0f, (GLfloat)m_mainViewPort.width() + / (GLfloat)m_mainViewPort.height(), 0.1f, 100.0f); + + // Calculate view matrix + QMatrix4x4 viewMatrix = m_cachedScene->activeCamera()->viewMatrix(); + + // Calculate label flipping + if (viewMatrix.row(0).x() > 0) + m_zFlipped = false; + else + m_zFlipped = true; + if (viewMatrix.row(0).z() <= 0) + m_xFlipped = false; + else + m_xFlipped = true; + + // Check if we're viewing the scene from below + if (viewMatrix.row(2).y() < 0) + m_yFlipped = true; + else + m_yFlipped = false; + + // Calculate background rotation + if (!m_zFlipped && !m_xFlipped) + backgroundRotation = 270.0f; + else if (!m_zFlipped && m_xFlipped) + backgroundRotation = 180.0f; + else if (m_zFlipped && m_xFlipped) + backgroundRotation = 90.0f; + else if (m_zFlipped && !m_xFlipped) + backgroundRotation = 0.0f; + + // Get light position from the scene + QVector3D lightPos = m_cachedScene->activeLight()->position(); + + // Map adjustment direction to model matrix scaling + // TODO: Let's use these for testing the autoscaling of dots based on their number + GLfloat heightMultiplier = m_dotSizeScale; //1.0f; + GLfloat widthMultiplier = m_dotSizeScale; //1.0f; + GLfloat depthMultiplier = m_dotSizeScale; //1.0f; + GLfloat heightScaler = 0.0f; + GLfloat widthScaler = 0.0f; + GLfloat depthScaler = 0.0f; + + // Introduce regardless of shadow quality to simplify logic + QMatrix4x4 depthViewMatrix; + QMatrix4x4 depthProjectionMatrix; + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Render scene into a depth texture for using with shadow mapping + // Bind depth shader + m_depthShader->bind(); + + // Set viewport for depth map rendering. Must match texture size. Larger values give smoother shadows. + glViewport(m_mainViewPort.x(), m_mainViewPort.y(), + m_mainViewPort.width() * m_shadowQualityMultiplier, + m_mainViewPort.height() * m_shadowQualityMultiplier); + + // Enable drawing to framebuffer + glBindFramebuffer(GL_FRAMEBUFFER, m_depthFrameBuffer); + glClear(GL_DEPTH_BUFFER_BIT); + + // Set front face culling to reduce self-shadowing issues + glCullFace(GL_FRONT); + + // Get the depth view matrix + // It may be possible to hack lightPos here if we want to make some tweaks to shadow + QVector3D depthLightPos = m_cachedScene->activeCamera()->calculatePositionRelativeToCamera( + defaultLightPos, 0.0f, 1.0f / m_autoScaleAdjustment); + depthViewMatrix.lookAt(depthLightPos, QVector3D(0.0f, 0.0f, zComp), + QVector3D(0.0f, 1.0f, 0.0f)); + // TODO: Why does depthViewMatrix.column(3).y() goes to zero when we're directly above? + // That causes the scene to be not drawn from above -> must be fixed + // qDebug() << lightPos << depthViewMatrix << depthViewMatrix.column(3); + // Set the depth projection matrix +#ifndef USE_WIDER_SHADOWS + // Use this for perspective shadows + depthProjectionMatrix.perspective(15.0f, (GLfloat)m_mainViewPort.width() + / (GLfloat)m_mainViewPort.height(), 3.0f, 100.0f); +#else + // Use these for orthographic shadows + //depthProjectionMatrix.ortho(-aspectRatio * 2.0f, aspectRatio * 2.0f, + // -m_heightNormalizer * 2.0f, m_heightNormalizer * 2.0f, + // 0.0f, 100.0f); + GLfloat testAspectRatio = (GLfloat)m_mainViewPort.width() / (GLfloat)m_mainViewPort.height(); + depthProjectionMatrix.ortho(-testAspectRatio * 2.0f, testAspectRatio * 2.0f, + -m_heightNormalizer * 2.0f, m_heightNormalizer * 2.0f, + 0.0f, 100.0f); +#endif + // Draw dots to depth buffer + for (int dot = 0; dot < m_renderItemArray.size(); dot++) { + const ScatterRenderItem &item = m_renderItemArray.at(dot); + if (!item.isVisible()) + continue; + + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + + modelMatrix.translate(item.translation().x(), + item.translation().y(), + item.translation().z()); + modelMatrix.scale(QVector3D(widthMultiplier + widthScaler, + heightMultiplier + heightScaler, + depthMultiplier + depthScaler)); + //modelMatrix.scale(QVector3D(widthMultiplier * item.size() + widthScaler, + // heightMultiplier * item.size() + heightScaler, + // depthMultiplier * item.size() + depthScaler)); + + MVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; + + m_depthShader->setUniformValue(m_depthShader->MVP(), MVPMatrix); + + // 1st attribute buffer : vertices + glEnableVertexAttribArray(m_depthShader->posAtt()); + glBindBuffer(GL_ARRAY_BUFFER, m_dotObj->vertexBuf()); + glVertexAttribPointer(m_depthShader->posAtt(), 3, GL_FLOAT, GL_FALSE, 0, (void *)0); + + // Index buffer + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_dotObj->elementBuf()); + + // Draw the triangles + glDrawElements(GL_TRIANGLES, m_dotObj->indexCount(), GL_UNSIGNED_SHORT, (void *)0); + + // Free buffers + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); + glBindBuffer(GL_ARRAY_BUFFER, 0); + + glDisableVertexAttribArray(m_depthShader->posAtt()); + } + + // Disable drawing to framebuffer (= enable drawing to screen) + glBindFramebuffer(GL_FRAMEBUFFER, defaultFboHandle); + + // Reset culling to normal + glCullFace(GL_BACK); + + // Release depth shader + m_depthShader->release(); + + // Revert to original viewport + glViewport(m_mainViewPort.x(), m_mainViewPort.y(), + m_mainViewPort.width(), m_mainViewPort.height()); + +#if 0 // Use this if you want to see what is being drawn to the framebuffer + // You'll also have to comment out GL_COMPARE_R_TO_TEXTURE -line in texturehelper (if using it) + m_labelShader->bind(); + glEnable(GL_TEXTURE_2D); + QMatrix4x4 modelMatrix; + QMatrix4x4 viewmatrix; + viewmatrix.lookAt(QVector3D(0.0f, 0.0f, 2.5f + zComp), + QVector3D(0.0f, 0.0f, zComp), + QVector3D(0.0f, 1.0f, 0.0f)); + modelMatrix.translate(0.0, 0.0, zComp); + QMatrix4x4 MVPMatrix = projectionMatrix * viewmatrix * modelMatrix; + m_labelShader->setUniformValue(m_labelShader->MVP(), MVPMatrix); + m_drawer->drawObject(m_labelShader, m_labelObj, + m_depthTexture); + glDisable(GL_TEXTURE_2D); + m_labelShader->release(); +#endif + } +#endif + + // Skip selection mode drawing if we have no selection mode + if (m_cachedSelectionMode > QDataVis::SelectionModeNone) { + // Bind selection shader + m_selectionShader->bind(); + + // Draw dots to selection buffer + glBindFramebuffer(GL_FRAMEBUFFER, m_selectionFrameBuffer); + glEnable(GL_DEPTH_TEST); // Needed, otherwise the depth render buffer is not used + glClearColor(1.0f, 1.0f, 1.0f, 1.0f); // Set clear color to white (= skipColor) + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Needed for clearing the frame buffer + glDisable(GL_DITHER); // disable dithering, it may affect colors if enabled + + int arraySize = m_renderItemArray.size(); + if (arraySize > 0xfffffe) // Max possible different selection colors, 0xffffff being skipColor + qFatal("Too many objects"); + + for (int dot = 0; dot < arraySize; dot++) { + const ScatterRenderItem &item = m_renderItemArray.at(dot); + if (!item.isVisible()) + continue; + + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + + modelMatrix.translate(item.translation().x(), + item.translation().y(), + item.translation().z()); + modelMatrix.scale(QVector3D(widthMultiplier + widthScaler, + heightMultiplier + heightScaler, + depthMultiplier + depthScaler)); + //modelMatrix.scale(QVector3D(widthMultiplier * item.size() + widthScaler, + // heightMultiplier * item.size() + heightScaler, + // depthMultiplier * item.size() + depthScaler)); + + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; + + QVector3D dotColor = indexToSelectionColor(dot); + dotColor /= 255.0f; + + m_selectionShader->setUniformValue(m_selectionShader->MVP(), MVPMatrix); + m_selectionShader->setUniformValue(m_selectionShader->color(), dotColor); + + // 1st attribute buffer : vertices + glEnableVertexAttribArray(m_selectionShader->posAtt()); + glBindBuffer(GL_ARRAY_BUFFER, m_dotObj->vertexBuf()); + glVertexAttribPointer(m_selectionShader->posAtt(), 3, GL_FLOAT, GL_FALSE, 0, (void *)0); + + // Index buffer + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_dotObj->elementBuf()); + + // Draw the triangles + glDrawElements(GL_TRIANGLES, m_dotObj->indexCount(), GL_UNSIGNED_SHORT, (void *)0); + + // Free buffers + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); + glBindBuffer(GL_ARRAY_BUFFER, 0); + + glDisableVertexAttribArray(m_selectionShader->posAtt()); + } + glEnable(GL_DITHER); + + // Read color under cursor + if (QDataVis::InputStateOnScene == m_controller->inputState()) { + m_selection = Utils::getSelection(m_controller->inputPosition(), + m_cachedBoundingRect.height()); + } + + glBindFramebuffer(GL_FRAMEBUFFER, defaultFboHandle); + + // Release selection shader + m_selectionShader->release(); + +#if 0 // Use this if you want to see what is being drawn to the framebuffer + m_labelShader->bind(); + glDisable(GL_DEPTH_TEST); + glEnable(GL_TEXTURE_2D); + QMatrix4x4 modelMatrix; + QMatrix4x4 viewmatrix; + viewmatrix.lookAt(QVector3D(0.0f, 0.0f, 2.0f + zComp), + QVector3D(0.0f, 0.0f, zComp), + QVector3D(0.0f, 1.0f, 0.0f)); + modelMatrix.translate(0.0, 0.0, zComp); + QMatrix4x4 MVPMatrix = projectionMatrix * viewmatrix * modelMatrix; + m_labelShader->setUniformValue(m_labelShader->MVP(), MVPMatrix); + m_drawer->drawObject(m_labelShader, m_labelObj, + m_selectionTexture); + glDisable(GL_TEXTURE_2D); + m_labelShader->release(); +#endif + } + + // Bind dot shader + m_dotShader->bind(); + + // Enable texture + glEnable(GL_TEXTURE_2D); + + // Draw dots + bool dotSelectionFound = false; + int selectedIndex; + if (m_selection == selectionSkipColor) { + selectedIndex = Scatter3DController::noSelectionIndex(); + } else { + selectedIndex = int(m_selection.x()) + + (int(m_selection.y()) << 8) + + (int(m_selection.z()) << 16); + } + + if (m_selection != m_previousSelection) { + emit selectedItemIndexChanged(selectedIndex); + m_previousSelection = m_selection; + } + + ScatterRenderItem *selectedItem(0); + + for (int dot = 0; dot < m_renderItemArray.size(); dot++) { + ScatterRenderItem &item = m_renderItemArray[dot]; + if (!item.isVisible()) + continue; + + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + modelMatrix.translate(item.translation().x(), + item.translation().y(), + item.translation().z()); + modelMatrix.scale(QVector3D(widthMultiplier + widthScaler, + heightMultiplier + heightScaler, + depthMultiplier + depthScaler)); + //modelMatrix.scale(QVector3D(widthMultiplier * item.size() + widthScaler, + // heightMultiplier * item.size() + heightScaler, + // depthMultiplier * item.size() + depthScaler)); + itModelMatrix.scale(QVector3D(widthMultiplier + widthScaler, + heightMultiplier + heightScaler, + depthMultiplier + depthScaler)); + //itModelMatrix.scale(QVector3D(widthMultiplier * item.size() + widthScaler, + // heightMultiplier * item.size() + heightScaler, + // depthMultiplier * item.size() + depthScaler)); + +#ifdef SHOW_DEPTH_TEXTURE_SCENE + MVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; +#else + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; +#endif + depthMVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; + +#if 0 + QVector3D baseColor = Utils::vectorFromColor(m_cachedTheme.m_baseColor); + QVector3D heightColor = + Utils::vectorFromColor(m_cachedTheme.m_heightColor) * item.translation().y(); + + QVector3D dotColor = baseColor + heightColor; +#else + QVector3D dotColor = Utils::vectorFromColor(m_cachedTheme.m_baseColor); +#endif + + GLfloat lightStrength = m_cachedTheme.m_lightStrength; + if (m_cachedSelectionMode > QDataVis::SelectionModeNone && (selectedIndex == dot)) { + dotColor = Utils::vectorFromColor(m_cachedTheme.m_highlightBarColor); + lightStrength = m_cachedTheme.m_highlightLightStrength; + // Insert data to ScatterRenderItem. We have no ownership, don't delete the previous one + selectedItem = &item; + dotSelectionFound = true; + } + + // Set shader bindings + m_dotShader->setUniformValue(m_dotShader->lightP(), lightPos); + m_dotShader->setUniformValue(m_dotShader->view(), viewMatrix); + m_dotShader->setUniformValue(m_dotShader->model(), modelMatrix); + m_dotShader->setUniformValue(m_dotShader->nModel(), + itModelMatrix.inverted().transposed()); + m_dotShader->setUniformValue(m_dotShader->MVP(), MVPMatrix); + m_dotShader->setUniformValue(m_dotShader->color(), dotColor); + m_dotShader->setUniformValue(m_dotShader->ambientS(), m_cachedTheme.m_ambientStrength); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + m_dotShader->setUniformValue(m_dotShader->shadowQ(), m_shadowQualityToShader); + m_dotShader->setUniformValue(m_dotShader->depth(), depthMVPMatrix); + m_dotShader->setUniformValue(m_dotShader->lightS(), lightStrength / 10.0f); + + // Draw the object + m_drawer->drawObject(m_dotShader, m_dotObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + m_dotShader->setUniformValue(m_dotShader->lightS(), lightStrength); + + // Draw the object + m_drawer->drawObject(m_dotShader, m_dotObj); + } + } + + // Release dot shader + m_dotShader->release(); + + // Bind background shader + m_backgroundShader->bind(); + + glCullFace(GL_BACK); + + // Draw background + if (m_cachedIsBackgroundEnabled && m_backgroundObj) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + +#ifndef USE_UNIFORM_SCALING // Use this if we want to use autoscaling for x and z + QVector3D bgScale((aspectRatio * backgroundMargin * m_areaSize.width()) / m_scaleFactor, + backgroundMargin, + (aspectRatio * backgroundMargin * m_areaSize.height()) / m_scaleFactor); +#else // ..and this if we want uniform scaling based on largest dimension + QVector3D bgScale((aspectRatio * backgroundMargin), + backgroundMargin, + (aspectRatio * backgroundMargin)); +#endif + modelMatrix.translate(0.0f, 0.0f, zComp); + modelMatrix.scale(bgScale); + itModelMatrix.scale(bgScale); + // If we're viewing from below, background object must be flipped + if (m_yFlipped) { + modelMatrix.rotate(180.0f, 1.0, 0.0, 0.0); + modelMatrix.rotate(270.0f - backgroundRotation, 0.0f, 1.0f, 0.0f); + } else { + modelMatrix.rotate(backgroundRotation, 0.0f, 1.0f, 0.0f); + } + +#ifdef SHOW_DEPTH_TEXTURE_SCENE + MVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; +#else + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; +#endif + depthMVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; + + QVector3D backgroundColor = Utils::vectorFromColor(m_cachedTheme.m_backgroundColor); + + // Set shader bindings + m_backgroundShader->setUniformValue(m_backgroundShader->lightP(), lightPos); + m_backgroundShader->setUniformValue(m_backgroundShader->view(), viewMatrix); + m_backgroundShader->setUniformValue(m_backgroundShader->model(), modelMatrix); + m_backgroundShader->setUniformValue(m_backgroundShader->nModel(), + itModelMatrix.inverted().transposed()); + m_backgroundShader->setUniformValue(m_backgroundShader->MVP(), MVPMatrix); + m_backgroundShader->setUniformValue(m_backgroundShader->color(), backgroundColor); + m_backgroundShader->setUniformValue(m_backgroundShader->ambientS(), + m_cachedTheme.m_ambientStrength * 2.0f); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + m_backgroundShader->setUniformValue(m_backgroundShader->shadowQ(), + m_shadowQualityToShader); + m_backgroundShader->setUniformValue(m_backgroundShader->depth(), depthMVPMatrix); + m_backgroundShader->setUniformValue(m_backgroundShader->lightS(), + m_cachedTheme.m_lightStrength / 10.0f); + + // Draw the object + m_drawer->drawObject(m_backgroundShader, m_backgroundObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + m_backgroundShader->setUniformValue(m_backgroundShader->lightS(), + m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(m_backgroundShader, m_backgroundObj); + } + } + + // Release background shader + m_backgroundShader->release(); + + // Disable textures + glDisable(GL_TEXTURE_2D); + + // Draw grid lines +#ifdef USE_UNIFORM_SCALING + AxisRenderCache *axisCacheMax; + if (m_axisCacheZ.max() > m_axisCacheX.max()) + axisCacheMax = &m_axisCacheZ; + else + axisCacheMax = &m_axisCacheX; +#endif + + if (m_cachedIsGridEnabled && m_heightNormalizer) { + ShaderHelper *lineShader = m_backgroundShader; + // Bind line shader + lineShader->bind(); + + // Set unchanging shader bindings + QVector3D lineColor = Utils::vectorFromColor(m_cachedTheme.m_gridLine); + lineShader->setUniformValue(lineShader->lightP(), lightPos); + lineShader->setUniformValue(lineShader->view(), viewMatrix); + lineShader->setUniformValue(lineShader->color(), lineColor); + lineShader->setUniformValue(lineShader->ambientS(), m_cachedTheme.m_ambientStrength); + + // Rows (= Z) + if (m_axisCacheZ.segmentCount() > 0) { + // Floor lines +#ifndef USE_UNIFORM_SCALING + GLfloat lineStep = aspectRatio * m_axisCacheZ.subSegmentStep(); + GLfloat linePos = -aspectRatio * m_axisCacheZ.min(); // Start line + int lastSegment = m_axisCacheZ.subSegmentCount() * m_axisCacheZ.segmentCount(); +#else + GLfloat lineStep = aspectRatio * axisCacheMax->subSegmentStep(); + GLfloat linePos = -aspectRatio * m_scaleFactor; // Start line + int lastSegment = axisCacheMax->subSegmentCount() * axisCacheMax->segmentCount(); +#endif + + for (int segment = 0; segment <= lastSegment; segment++) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + if (m_yFlipped) + modelMatrix.translate(0.0f, backgroundMargin, linePos / m_scaleFactor + zComp); + else + modelMatrix.translate(0.0f, -backgroundMargin, linePos / m_scaleFactor + zComp); +#ifndef USE_UNIFORM_SCALING // Use this if we want to use autoscaling for x and z + modelMatrix.scale( + QVector3D( + (aspectRatio * backgroundMargin * m_areaSize.width()) / m_scaleFactor, + gridLineWidth, gridLineWidth)); + itModelMatrix.scale( + QVector3D( + (aspectRatio * backgroundMargin * m_areaSize.width()) / m_scaleFactor, + gridLineWidth, gridLineWidth)); +#else // ..and this if we want uniform scaling based on largest dimension + modelMatrix.scale(QVector3D((aspectRatio * backgroundMargin), + gridLineWidth, gridLineWidth)); + itModelMatrix.scale(QVector3D(aspectRatio * backgroundMargin, + gridLineWidth, gridLineWidth)); +#endif + + // If we're viewing from below, grid line object must be flipped + if (m_yFlipped) + modelMatrix.rotate(180.0f, 1.0, 0.0, 0.0); + + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; + depthMVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + lineShader->setUniformValue(lineShader->shadowQ(), m_shadowQualityToShader); + lineShader->setUniformValue(lineShader->depth(), depthMVPMatrix); + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength / 10.0f); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + } + linePos -= lineStep; + } + + // Side wall lines +#ifndef USE_UNIFORM_SCALING + GLfloat lineXTrans = (aspectRatio * backgroundMargin * m_areaSize.width()) + / m_scaleFactor; + linePos = -aspectRatio * m_axisCacheZ.min(); // Start line +#else + GLfloat lineXTrans = aspectRatio * backgroundMargin; + linePos = -aspectRatio * m_scaleFactor; // Start line +#endif + if (!m_xFlipped) + lineXTrans = -lineXTrans; + + for (int segment = 0; segment <= lastSegment; segment++) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + modelMatrix.translate(lineXTrans, 0.0f, linePos / m_scaleFactor + zComp); + modelMatrix.scale(QVector3D(gridLineWidth, backgroundMargin, gridLineWidth)); + itModelMatrix.scale(QVector3D(gridLineWidth, backgroundMargin, gridLineWidth)); + + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; + depthMVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + lineShader->setUniformValue(lineShader->shadowQ(), m_shadowQualityToShader); + lineShader->setUniformValue(lineShader->depth(), depthMVPMatrix); + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength / 10.0f); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + } + linePos -= lineStep; + } + } + + // Columns (= X) + if (m_axisCacheX.segmentCount() > 0) { + // Floor lines +#ifndef USE_UNIFORM_SCALING + GLfloat lineStep = aspectRatio * m_axisCacheX.subSegmentStep(); + GLfloat linePos = aspectRatio * m_axisCacheX.min(); + int lastSegment = m_axisCacheX.subSegmentCount() * m_axisCacheX.segmentCount(); +#else + GLfloat lineStep = aspectRatio * axisCacheMax->subSegmentStep(); + GLfloat linePos = -aspectRatio * m_scaleFactor; + int lastSegment = axisCacheMax->subSegmentCount() * axisCacheMax->segmentCount(); +#endif + + for (int segment = 0; segment <= lastSegment; segment++) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + if (m_yFlipped) + modelMatrix.translate(linePos / m_scaleFactor, backgroundMargin, zComp); + else + modelMatrix.translate(linePos / m_scaleFactor, -backgroundMargin, zComp); +#ifndef USE_UNIFORM_SCALING // Use this if we want to use autoscaling for x and z + modelMatrix.scale( + QVector3D( + gridLineWidth, gridLineWidth, + (aspectRatio * backgroundMargin * m_areaSize.height()) / m_scaleFactor)); + itModelMatrix.scale( + QVector3D( + gridLineWidth, gridLineWidth, + (aspectRatio * backgroundMargin * m_areaSize.height()) / m_scaleFactor)); +#else // ..and this if we want uniform scaling based on largest dimension + modelMatrix.scale(QVector3D(gridLineWidth, gridLineWidth, + aspectRatio * backgroundMargin)); + itModelMatrix.scale(QVector3D(gridLineWidth, gridLineWidth, + aspectRatio * backgroundMargin)); +#endif + + // If we're viewing from below, grid line object must be flipped + if (m_yFlipped) + modelMatrix.rotate(180.0f, 1.0, 0.0, 0.0); + + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; + depthMVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + lineShader->setUniformValue(lineShader->shadowQ(), m_shadowQualityToShader); + lineShader->setUniformValue(lineShader->depth(), depthMVPMatrix); + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength / 10.0f); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + lineShader->setUniformValue(lineShader->lightS(), m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + } + linePos += lineStep; + } + + // Back wall lines +#ifndef USE_UNIFORM_SCALING + GLfloat lineZTrans = (aspectRatio * backgroundMargin * m_areaSize.height()) + / m_scaleFactor; + linePos = aspectRatio * m_axisCacheX.min(); +#else + GLfloat lineZTrans = aspectRatio * backgroundMargin; + linePos = -aspectRatio * m_scaleFactor; +#endif + if (!m_zFlipped) + lineZTrans = -lineZTrans; + + for (int segment = 0; segment <= lastSegment; segment++) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + modelMatrix.translate(linePos / m_scaleFactor, 0.0f, lineZTrans + zComp); + modelMatrix.scale(QVector3D(gridLineWidth, backgroundMargin, gridLineWidth)); + itModelMatrix.scale(QVector3D(gridLineWidth, backgroundMargin, gridLineWidth)); + + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; + depthMVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + lineShader->setUniformValue(lineShader->shadowQ(), m_shadowQualityToShader); + lineShader->setUniformValue(lineShader->depth(), depthMVPMatrix); + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength / 10.0f); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + } + linePos += lineStep; + } + } + + // Horizontal wall lines + if (m_axisCacheY.segmentCount() > 0) { + // Back wall + GLfloat lineStep = m_axisCacheY.subSegmentStep(); + GLfloat linePos = m_axisCacheY.min(); + int lastSegment = m_axisCacheY.subSegmentCount() * m_axisCacheY.segmentCount(); + +#ifndef USE_UNIFORM_SCALING // Use this if we want to use autoscaling for x and z + GLfloat lineZTrans = (aspectRatio * backgroundMargin * m_areaSize.height()) + / m_scaleFactor; +#else // ..and this if we want uniform scaling based on largest dimension + GLfloat lineZTrans = aspectRatio * backgroundMargin; +#endif + if (!m_zFlipped) + lineZTrans = -lineZTrans; + + for (int segment = 0; segment <= lastSegment; segment++) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + modelMatrix.translate(0.0f, linePos / m_heightNormalizer, lineZTrans + zComp); +#ifndef USE_UNIFORM_SCALING // Use this if we want to use autoscaling for x and z + modelMatrix.scale( + QVector3D( + (aspectRatio * backgroundMargin * m_areaSize.width() / m_scaleFactor), + gridLineWidth, gridLineWidth)); + itModelMatrix.scale( + QVector3D( + (aspectRatio * backgroundMargin * m_areaSize.width() / m_scaleFactor), + gridLineWidth, gridLineWidth)); +#else // ..and this if we want uniform scaling based on largest dimension + modelMatrix.scale(QVector3D((aspectRatio * backgroundMargin), + gridLineWidth, gridLineWidth)); + itModelMatrix.scale(QVector3D(aspectRatio * backgroundMargin, + gridLineWidth, gridLineWidth)); +#endif + + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; + depthMVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + lineShader->setUniformValue(lineShader->shadowQ(), m_shadowQualityToShader); + lineShader->setUniformValue(lineShader->depth(), depthMVPMatrix); + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength / 10.0f); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + lineShader->setUniformValue(lineShader->lightS(), m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + } + linePos += lineStep; + } + + // Side wall + linePos = m_axisCacheY.min(); + lastSegment = m_axisCacheY.subSegmentCount() * m_axisCacheY.segmentCount(); +#ifndef USE_UNIFORM_SCALING // Use this if we want to use autoscaling for x and z + GLfloat lineXTrans = (aspectRatio * backgroundMargin * m_areaSize.width()) + / m_scaleFactor; +#else // ..and this if we want uniform scaling based on largest dimension + GLfloat lineXTrans = aspectRatio * backgroundMargin; +#endif + if (!m_xFlipped) + lineXTrans = -lineXTrans; + + for (int segment = 0; segment <= lastSegment; segment++) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + modelMatrix.translate(lineXTrans, linePos / m_heightNormalizer, zComp); +#ifndef USE_UNIFORM_SCALING // Use this if we want to use autoscaling for x and z + modelMatrix.scale( + QVector3D( + gridLineWidth, gridLineWidth, + (aspectRatio * backgroundMargin * m_areaSize.height()) / m_scaleFactor)); + itModelMatrix.scale( + QVector3D( + gridLineWidth, gridLineWidth, + (aspectRatio * backgroundMargin * m_areaSize.height()) / m_scaleFactor)); + +#else // ..and this if we want uniform scaling based on largest dimension + modelMatrix.scale(QVector3D(gridLineWidth, gridLineWidth, + (aspectRatio * backgroundMargin))); + itModelMatrix.scale(QVector3D(gridLineWidth, gridLineWidth, + aspectRatio * backgroundMargin)); + +#endif + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; + depthMVPMatrix = depthProjectionMatrix * depthViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + lineShader->setUniformValue(lineShader->shadowQ(), m_shadowQualityToShader); + lineShader->setUniformValue(lineShader->depth(), depthMVPMatrix); + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength / 10.0f); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + } + linePos += lineStep; + } + } + + // Release line shader + lineShader->release(); + } + + // Draw axis labels + // TODO: Calculations done temporarily here. Should be done when calculating lines to avoid + // extra for -loops? + // Bind label shader + m_labelShader->bind(); + + glEnable(GL_TEXTURE_2D); + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + // Z Labels + if (m_axisCacheZ.segmentCount() > 0) { +#ifndef USE_UNIFORM_SCALING + GLfloat posStep = aspectRatio * m_axisCacheZ.segmentStep(); + GLfloat labelPos = -aspectRatio * m_axisCacheZ.min(); + int lastSegment = m_axisCacheZ.segmentCount(); +#else + GLfloat posStep = aspectRatio * axisCacheMax->segmentStep(); + GLfloat labelPos = aspectRatio * m_scaleFactor; + int lastSegment = axisCacheMax->segmentCount(); +#endif + int labelNbr = 0; + for (int segment = 0; segment <= lastSegment; segment++) { +#ifndef USE_UNIFORM_SCALING // Use this if we want to use autoscaling for x and z + if (m_axisCacheZ.labelItems().size() > labelNbr) { + GLfloat labelXTrans = (aspectRatio * backgroundMargin * m_areaSize.width()) + / m_scaleFactor + labelMargin; +#else // ..and this if we want uniform scaling based on largest dimension + if (axisCacheMax->labelItems().size() > labelNbr) { + GLfloat labelXTrans = aspectRatio * backgroundMargin + labelMargin; +#endif + GLfloat labelYTrans = -backgroundMargin; + GLfloat rotLabelX = -90.0f; + GLfloat rotLabelY = 0.0f; + GLfloat rotLabelZ = 0.0f; + Qt::AlignmentFlag alignment = Qt::AlignRight; + if (m_zFlipped) + rotLabelY = 180.0f; + if (m_xFlipped) { + labelXTrans = -labelXTrans; + alignment = Qt::AlignLeft; + } + if (m_yFlipped) { + rotLabelZ += 180.0f; + rotLabelY += 180.0f; + labelYTrans = -labelYTrans; + } + QVector3D labelTrans = QVector3D(labelXTrans, + labelYTrans, + labelPos / m_scaleFactor + zComp); + + + // Draw the label here + m_dummyRenderItem.setTranslation(labelTrans); +#ifndef USE_UNIFORM_SCALING + const LabelItem &axisLabelItem = *m_axisCacheZ.labelItems().at(labelNbr); +#else + const LabelItem &axisLabelItem = *axisCacheMax->labelItems().at(labelNbr); +#endif + + m_drawer->drawLabel(m_dummyRenderItem, axisLabelItem, viewMatrix, projectionMatrix, + QVector3D(0.0f, 0.0f, zComp), + QVector3D(rotLabelX, rotLabelY, rotLabelZ), + 0, m_cachedSelectionMode, + m_labelShader, m_labelObj, m_cachedScene->activeCamera(), true, true, Drawer::LabelMid, + alignment); + } + labelNbr++; + labelPos -= posStep; + } + } + // X Labels + if (m_axisCacheX.segmentCount() > 0) { +#ifndef USE_UNIFORM_SCALING + GLfloat posStep = aspectRatio * m_axisCacheX.segmentStep(); + GLfloat labelPos = aspectRatio * m_axisCacheX.min(); + int lastSegment = m_axisCacheX.segmentCount(); +#else + GLfloat posStep = aspectRatio * axisCacheMax->segmentStep(); + GLfloat labelPos = -aspectRatio * m_scaleFactor; + int lastSegment = axisCacheMax->segmentCount(); +#endif + int labelNbr = 0; + for (int segment = 0; segment <= lastSegment; segment++) { +#ifndef USE_UNIFORM_SCALING // Use this if we want to use autoscaling for x and z + if (m_axisCacheX.labelItems().size() > labelNbr) { + GLfloat labelZTrans = (aspectRatio * backgroundMargin * m_areaSize.height()) + / m_scaleFactor + labelMargin; +#else // ..and this if we want uniform scaling based on largest dimension + if (axisCacheMax->labelItems().size() > labelNbr) { + GLfloat labelZTrans = aspectRatio * backgroundMargin + labelMargin; +#endif + GLfloat labelYTrans = -backgroundMargin; + GLfloat rotLabelX = -90.0f; + GLfloat rotLabelY = 90.0f; + GLfloat rotLabelZ = 0.0f; + Qt::AlignmentFlag alignment = Qt::AlignLeft; + if (m_xFlipped) + rotLabelY = -90.0f; + if (m_zFlipped) { + labelZTrans = -labelZTrans; + alignment = Qt::AlignRight; + } + if (m_yFlipped) { + rotLabelZ += 180.0f; + rotLabelY += 180.0f; + labelYTrans = -labelYTrans; + } + QVector3D labelTrans = QVector3D(labelPos / m_scaleFactor, + labelYTrans, + labelZTrans + zComp); + + // Draw the label here + m_dummyRenderItem.setTranslation(labelTrans); +#ifndef USE_UNIFORM_SCALING + const LabelItem &axisLabelItem = *m_axisCacheX.labelItems().at(labelNbr); +#else + const LabelItem &axisLabelItem = *axisCacheMax->labelItems().at(labelNbr); +#endif + + m_drawer->drawLabel(m_dummyRenderItem, axisLabelItem, viewMatrix, projectionMatrix, + QVector3D(0.0f, 0.0f, zComp), + QVector3D(rotLabelX, rotLabelY, rotLabelZ), + 0, m_cachedSelectionMode, + m_labelShader, m_labelObj, m_cachedScene->activeCamera(), true, true, Drawer::LabelMid, + alignment); + } + labelNbr++; + labelPos += posStep; + } + } + // Y Labels + if (m_axisCacheY.segmentCount() > 0) { + GLfloat posStep = m_axisCacheY.segmentStep(); + GLfloat labelPos = m_axisCacheY.min(); + int labelNbr = 0; + for (int segment = 0; segment <= m_axisCacheY.segmentCount(); segment++) { + if (m_axisCacheY.labelItems().size() > labelNbr) { +#ifndef USE_UNIFORM_SCALING // Use this if we want to use autoscaling for x and z + GLfloat labelXTrans = (aspectRatio * backgroundMargin * m_areaSize.width()) + / m_scaleFactor; + GLfloat labelZTrans = (aspectRatio * backgroundMargin * m_areaSize.height()) + / m_scaleFactor; +#else // ..and this if we want uniform scaling based on largest dimension + GLfloat labelXTrans = aspectRatio * backgroundMargin; + GLfloat labelZTrans = labelXTrans; +#endif + GLfloat labelMarginXTrans = labelMargin; + GLfloat labelMarginZTrans = labelMargin; + GLfloat labelYTrans = labelPos / m_heightNormalizer; + GLfloat rotLabelX = 0.0f; + GLfloat rotLabelY = -90.0f; + GLfloat rotLabelZ = 0.0f; + Qt::AlignmentFlag alignment = Qt::AlignLeft; + if (!m_xFlipped) { + labelXTrans = -labelXTrans; + labelMarginXTrans = -labelMargin; + rotLabelY = 90.0f; + } + if (m_zFlipped) { + labelZTrans = -labelZTrans; + labelMarginZTrans = -labelMargin; + alignment = Qt::AlignRight; + } + + const LabelItem &axisLabelItem = *m_axisCacheY.labelItems().at(labelNbr); + + // Back wall + QVector3D labelTrans = QVector3D(labelXTrans, labelYTrans, + labelZTrans + labelMarginZTrans + zComp); + + // Draw the label here + m_dummyRenderItem.setTranslation(labelTrans); + m_drawer->drawLabel(m_dummyRenderItem, axisLabelItem, viewMatrix, projectionMatrix, + QVector3D(0.0f, 0.0f, zComp), + QVector3D(rotLabelX, rotLabelY, rotLabelZ), + 0, m_cachedSelectionMode, + m_labelShader, m_labelObj, m_cachedScene->activeCamera(), true, true, Drawer::LabelMid, + alignment); + + // Side wall + if (m_xFlipped) + alignment = Qt::AlignLeft; + else + alignment = Qt::AlignRight; + if (m_zFlipped) + rotLabelY = 180.0f; + else + rotLabelY = 0.0f; + + labelTrans = QVector3D(-labelXTrans - labelMarginXTrans, labelYTrans, + -labelZTrans + zComp); + + // Draw the label here + m_dummyRenderItem.setTranslation(labelTrans); + m_drawer->drawLabel(m_dummyRenderItem, axisLabelItem, viewMatrix, projectionMatrix, + QVector3D(0.0f, 0.0f, zComp), + QVector3D(rotLabelX, rotLabelY, rotLabelZ), + 0, m_cachedSelectionMode, + m_labelShader, m_labelObj, m_cachedScene->activeCamera(), true, true, Drawer::LabelMid, + alignment); + } + labelNbr++; + labelPos += posStep; + } + } + + // Handle selection clearing and selection label drawing + if (!dotSelectionFound) { + // We have no ownership, don't delete. Just NULL the pointer. + m_selectedItem = NULL; + } else { + glDisable(GL_DEPTH_TEST); + // Draw the selection label + LabelItem &labelItem = selectedItem->selectionLabelItem(); + if (m_selectedItem != selectedItem || m_updateLabels + || !labelItem.textureId()) { + QString labelText = selectedItem->selectionLabel(); + if (labelText.isNull()) { + static const QString xTitleTag(QStringLiteral("@xTitle")); + static const QString yTitleTag(QStringLiteral("@yTitle")); + static const QString zTitleTag(QStringLiteral("@zTitle")); + static const QString xLabelTag(QStringLiteral("@xLabel")); + static const QString yLabelTag(QStringLiteral("@yLabel")); + static const QString zLabelTag(QStringLiteral("@zLabel")); + + labelText = itemLabelFormat(); + + labelText.replace(xTitleTag, m_axisCacheX.title()); + labelText.replace(yTitleTag, m_axisCacheY.title()); + labelText.replace(zTitleTag, m_axisCacheZ.title()); + + if (labelText.contains(xLabelTag)) { + QString labelFormat = m_axisCacheX.labelFormat(); + if (labelFormat.isEmpty()) + labelFormat = Utils::defaultLabelFormat(); + QString valueLabelText = generateValueLabel(labelFormat, + selectedItem->position().x()); + labelText.replace(xLabelTag, valueLabelText); + } + if (labelText.contains(yLabelTag)) { + QString labelFormat = m_axisCacheY.labelFormat(); + if (labelFormat.isEmpty()) + labelFormat = Utils::defaultLabelFormat(); + QString valueLabelText = generateValueLabel(labelFormat, + selectedItem->position().y()); + labelText.replace(yLabelTag, valueLabelText); + } + if (labelText.contains(zLabelTag)) { + QString labelFormat = m_axisCacheZ.labelFormat(); + if (labelFormat.isEmpty()) + labelFormat = Utils::defaultLabelFormat(); + QString valueLabelText = generateValueLabel(labelFormat, + selectedItem->position().z()); + labelText.replace(zLabelTag, valueLabelText); + } + + selectedItem->setSelectionLabel(labelText); + } + m_drawer->generateLabelItem(labelItem, labelText); + m_selectedItem = selectedItem; + } + + m_drawer->drawLabel(*selectedItem, labelItem, viewMatrix, projectionMatrix, + QVector3D(0.0f, 0.0f, zComp), + QVector3D(0.0f, 0.0f, 0.0f), 0, + m_cachedSelectionMode, m_labelShader, + m_labelObj, m_cachedScene->activeCamera(), true, false, + Drawer::LabelMid); + + // Reset label update flag; they should have been updated when we get here + m_updateLabels = false; + glEnable(GL_DEPTH_TEST); + } + + glDisable(GL_TEXTURE_2D); + glDisable(GL_BLEND); + + // Release label shader + m_labelShader->release(); +} + +void Scatter3DRenderer::updateSelectedItemIndex(int index) +{ + if (index == Scatter3DController::noSelectionIndex()) + m_selection = selectionSkipColor; + else + m_selection = indexToSelectionColor(index); +} + +void Scatter3DRenderer::handleResize() +{ + if (m_cachedBoundingRect.width() == 0 || m_cachedBoundingRect.height() == 0) + return; + + // Set view port + m_mainViewPort = QRect(0, 0, m_cachedBoundingRect.width(), m_cachedBoundingRect.height()); + + Abstract3DRenderer::handleResize(); +} + +void Scatter3DRenderer::updateBackgroundEnabled(bool enable) +{ + if (enable != m_cachedIsBackgroundEnabled) { + Abstract3DRenderer::updateBackgroundEnabled(enable); + loadMeshFile(); // Load changed dot type + } +} + +void Scatter3DRenderer::updateShadowQuality(QDataVis::ShadowQuality quality) +{ + m_cachedShadowQuality = quality; + switch (quality) { + case QDataVis::ShadowQualityLow: + m_shadowQualityToShader = 33.3f; + m_shadowQualityMultiplier = 1; + break; + case QDataVis::ShadowQualityMedium: + m_shadowQualityToShader = 100.0f; + m_shadowQualityMultiplier = 3; + break; + case QDataVis::ShadowQualityHigh: + m_shadowQualityToShader = 200.0f; + m_shadowQualityMultiplier = 5; + break; + case QDataVis::ShadowQualitySoftLow: + m_shadowQualityToShader = 5.0f; + m_shadowQualityMultiplier = 1; + break; + case QDataVis::ShadowQualitySoftMedium: + m_shadowQualityToShader = 10.0f; + m_shadowQualityMultiplier = 3; + break; + case QDataVis::ShadowQualitySoftHigh: + m_shadowQualityToShader = 15.0f; + m_shadowQualityMultiplier = 4; + break; + default: + m_shadowQualityToShader = 0.0f; + m_shadowQualityMultiplier = 1; + break; + } + + handleShadowQualityChange(); + +#if !defined(QT_OPENGL_ES_2) + // Re-init depth buffer + updateDepthBuffer(); +#endif +} + +void Scatter3DRenderer::loadMeshFile() +{ + QString objectFileName = m_cachedObjFile; + if (m_dotObj) + delete m_dotObj; + m_dotObj = new ObjectHelper(objectFileName); + m_dotObj->load(); +} + +void Scatter3DRenderer::loadBackgroundMesh() +{ + if (m_backgroundObj) + delete m_backgroundObj; + m_backgroundObj = new ObjectHelper(QStringLiteral(":/defaultMeshes/background")); + m_backgroundObj->load(); +} + +void Scatter3DRenderer::loadGridLineMesh() +{ + if (m_gridLineObj) + delete m_gridLineObj; + m_gridLineObj = new ObjectHelper(QStringLiteral(":/defaultMeshes/bar")); + m_gridLineObj->load(); +} + +void Scatter3DRenderer::loadLabelMesh() +{ + if (m_labelObj) + delete m_labelObj; + m_labelObj = new ObjectHelper(QStringLiteral(":/defaultMeshes/label")); + m_labelObj->load(); +} + +void Scatter3DRenderer::updateTextures() +{ + // Drawer has changed; this flag needs to be checked when checking if we need to update labels + m_updateLabels = true; +} + +void Scatter3DRenderer::updateAxisRange(Q3DAbstractAxis::AxisOrientation orientation, + qreal min, qreal max) +{ + Abstract3DRenderer::updateAxisRange(orientation, min, max); +} + +void Scatter3DRenderer::calculateTranslation(ScatterRenderItem &item) +{ + // Origin should be in the center of scene, ie. both positive and negative values are drawn + // above background + + // We need to normalize translations + GLfloat xTrans = (aspectRatio * item.position().x()) / m_scaleFactor; + GLfloat zTrans = -(aspectRatio * item.position().z()) / m_scaleFactor; + GLfloat yTrans = item.position().y() / m_heightNormalizer; + item.setTranslation(QVector3D(xTrans, yTrans, zTrans + zComp)); + //qDebug() << item.translation(); +} + +void Scatter3DRenderer::calculateSceneScalingFactors() +{ + m_heightNormalizer = (GLfloat)qMax(qAbs(m_axisCacheY.max()), qAbs(m_axisCacheY.min())); + m_areaSize.setHeight(qMax(qAbs(m_axisCacheZ.max()), qAbs(m_axisCacheZ.min()))); + m_areaSize.setWidth(qMax(qAbs(m_axisCacheX.max()), qAbs(m_axisCacheX.min()))); + m_scaleFactor = qMax(m_areaSize.width(), m_areaSize.height()); + //qDebug() << m_heightNormalizer << m_areaSize << m_scaleFactor << m_axisCacheY.max() << m_axisCacheX.max() << m_axisCacheZ.max(); +} + +QRect Scatter3DRenderer::mainViewPort() +{ + return m_mainViewPort; +} + +void Scatter3DRenderer::initShaders(const QString &vertexShader, const QString &fragmentShader) +{ + if (m_dotShader) + delete m_dotShader; + m_dotShader = new ShaderHelper(this, vertexShader, fragmentShader); + m_dotShader->initialize(); +} + +void Scatter3DRenderer::initSelectionShader() +{ + if (m_selectionShader) + delete m_selectionShader; + m_selectionShader = new ShaderHelper(this, QStringLiteral(":/shaders/vertexSelection"), + QStringLiteral(":/shaders/fragmentSelection")); + m_selectionShader->initialize(); +} + +void Scatter3DRenderer::initSelectionBuffer() +{ + if (m_selectionTexture) + m_textureHelper->deleteTexture(&m_selectionTexture); + + m_selectionTexture = m_textureHelper->createSelectionTexture(m_mainViewPort.size(), + m_selectionFrameBuffer, + m_selectionDepthBuffer); +} + +#if !defined(QT_OPENGL_ES_2) +void Scatter3DRenderer::initDepthShader() +{ + if (m_depthShader) + delete m_depthShader; + m_depthShader = new ShaderHelper(this, QStringLiteral(":/shaders/vertexDepth"), + QStringLiteral(":/shaders/fragmentDepth")); + m_depthShader->initialize(); +} + +void Scatter3DRenderer::updateDepthBuffer() +{ + if (m_depthTexture) { + m_textureHelper->deleteTexture(&m_depthTexture); + m_depthTexture = 0; + } + + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + m_depthTexture = m_textureHelper->createDepthTexture(m_mainViewPort.size(), + m_depthFrameBuffer, + m_shadowQualityMultiplier); + if (!m_depthTexture) { + switch (m_cachedShadowQuality) { + case QDataVis::ShadowQualityHigh: + qWarning("Creating high quality shadows failed. Changing to medium quality."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualityMedium); + updateShadowQuality(QDataVis::ShadowQualityMedium); + break; + case QDataVis::ShadowQualityMedium: + qWarning("Creating medium quality shadows failed. Changing to low quality."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualityLow); + updateShadowQuality(QDataVis::ShadowQualityLow); + break; + case QDataVis::ShadowQualityLow: + qWarning("Creating low quality shadows failed. Switching shadows off."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualityNone); + updateShadowQuality(QDataVis::ShadowQualityNone); + break; + case QDataVis::ShadowQualitySoftHigh: + qWarning("Creating soft high quality shadows failed. Changing to soft medium quality."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualitySoftMedium); + updateShadowQuality(QDataVis::ShadowQualitySoftMedium); + break; + case QDataVis::ShadowQualitySoftMedium: + qWarning("Creating soft medium quality shadows failed. Changing to soft low quality."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualitySoftLow); + updateShadowQuality(QDataVis::ShadowQualitySoftLow); + break; + case QDataVis::ShadowQualitySoftLow: + qWarning("Creating soft low quality shadows failed. Switching shadows off."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualityNone); + updateShadowQuality(QDataVis::ShadowQualityNone); + break; + default: + // You'll never get here + break; + } + } + } +} +#endif + +void Scatter3DRenderer::initBackgroundShaders(const QString &vertexShader, + const QString &fragmentShader) +{ + if (m_backgroundShader) + delete m_backgroundShader; + m_backgroundShader = new ShaderHelper(this, vertexShader, fragmentShader); + m_backgroundShader->initialize(); +} + +void Scatter3DRenderer::initLabelShaders(const QString &vertexShader, const QString &fragmentShader) +{ + if (m_labelShader) + delete m_labelShader; + m_labelShader = new ShaderHelper(this, vertexShader, fragmentShader); + m_labelShader->initialize(); +} + +QVector3D Scatter3DRenderer::indexToSelectionColor(GLint index) +{ + GLubyte dotIdxRed = index & 0xff; + GLubyte dotIdxGreen = (index & 0xff00) >> 8; + GLubyte dotIdxBlue = (index & 0xff0000) >> 16; + + return QVector3D(dotIdxRed, dotIdxGreen, dotIdxBlue); +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/scatter3drenderer_p.h b/src/datavisualization/engine/scatter3drenderer_p.h new file mode 100644 index 00000000..f444f891 --- /dev/null +++ b/src/datavisualization/engine/scatter3drenderer_p.h @@ -0,0 +1,155 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef Q3DSCATTERRENDERER_P_H +#define Q3DSCATTERRENDERER_P_H + +#include "datavisualizationglobal_p.h" +#include "scatter3dcontroller_p.h" +#include "abstract3drenderer_p.h" +#include "qscatterdataproxy.h" +#include "scatterrenderitem_p.h" + +class QPoint; +class QSizeF; +class QOpenGLShaderProgram; + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class ShaderHelper; +class ObjectHelper; +class LabelItem; +class Q3DScene; +class QAbstractAxisPrivate; + +class QT_DATAVISUALIZATION_EXPORT Scatter3DRenderer : public Abstract3DRenderer +{ + Q_OBJECT + +private: + // TODO: Filter to the set of attributes to be moved to the model object. + // * All GL rendering only related attribs should be moved out of this public set. + // * All attribs that are modifiable from QML need to e in this set. + + Scatter3DController *m_controller; + + // Internal state + ScatterRenderItem *m_selectedItem; // points to renderitem array + bool m_xFlipped; + bool m_zFlipped; + bool m_yFlipped; + QRect m_mainViewPort; + bool m_updateLabels; + ShaderHelper *m_dotShader; + ShaderHelper *m_depthShader; + ShaderHelper *m_selectionShader; + ShaderHelper *m_backgroundShader; + ShaderHelper *m_labelShader; + ObjectHelper *m_dotObj; + ObjectHelper *m_backgroundObj; + ObjectHelper *m_gridLineObj; + ObjectHelper *m_labelObj; + GLuint m_bgrTexture; + GLuint m_depthTexture; + GLuint m_selectionTexture; + GLuint m_depthFrameBuffer; + GLuint m_selectionFrameBuffer; + GLuint m_selectionDepthBuffer; + GLfloat m_shadowQualityToShader; + GLint m_shadowQualityMultiplier; + GLfloat m_heightNormalizer; + GLfloat m_scaleFactor; + QVector3D m_selection; + QVector3D m_previousSelection; + QSizeF m_areaSize; + GLfloat m_dotSizeScale; + + bool m_hasHeightAdjustmentChanged; + ScatterRenderItem m_dummyRenderItem; + + ScatterRenderItemArray m_renderItemArray; + +public: + explicit Scatter3DRenderer(Scatter3DController *controller); + ~Scatter3DRenderer(); + + void updateDataModel(QScatterDataProxy *dataProxy); + void updateScene(Q3DScene *scene); + void render(GLuint defaultFboHandle); + + QRect mainViewPort(); + +protected: + virtual void initializeOpenGL(); + virtual void loadMeshFile(); + +private: + virtual void initShaders(const QString &vertexShader, const QString &fragmentShader); + virtual void updateShadowQuality(QDataVis::ShadowQuality quality); + virtual void updateTextures(); + + void drawScene(GLuint defaultFboHandle); + void handleResize(); + + void loadBackgroundMesh(); + void loadGridLineMesh(); + void loadLabelMesh(); + void initSelectionShader(); + void initBackgroundShaders(const QString &vertexShader, const QString &fragmentShader); + void initLabelShaders(const QString &vertexShader, const QString &fragmentShader); + void initSelectionBuffer(); +#if !defined(QT_OPENGL_ES_2) + void initDepthShader(); + void updateDepthBuffer(); +#endif + void calculateTranslation(ScatterRenderItem &item); + void calculateSceneScalingFactors(); + + Q_DISABLE_COPY(Scatter3DRenderer) + + friend class ScatterRenderItem; + +public slots: + void updateBackgroundEnabled(bool enable); + + // Overloaded from abstract renderer + virtual void updateAxisRange(Q3DAbstractAxis::AxisOrientation orientation, qreal min, qreal max); + + void updateSelectedItemIndex(int index); + +signals: + void selectionUpdated(QVector3D selection); + void selectedItemIndexChanged(int index); + +private: + QVector3D indexToSelectionColor(GLint index); +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/engine/selectionpointer.cpp b/src/datavisualization/engine/selectionpointer.cpp new file mode 100644 index 00000000..6c3e0c8b --- /dev/null +++ b/src/datavisualization/engine/selectionpointer.cpp @@ -0,0 +1,275 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "selectionpointer_p.h" +#include "surface3dcontroller_p.h" +#include "shaderhelper_p.h" +#include "objecthelper_p.h" +#include "texturehelper_p.h" +#include "q3dcamera.h" +#include "q3dcamera_p.h" +#include "drawer_p.h" +#include "utils_p.h" +#include "q3dlight.h" + +#include <QImage> +#include <QMatrix4x4> + +#include <QDebug> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +const GLfloat sliceUnits = 2.5; + +SelectionPointer::SelectionPointer(Drawer *drawer) + : QObject(0), + m_labelShader(0), + m_pointShader(0), + m_labelObj(0), + m_pointObj(0), + m_textureHelper(0), + m_isInitialized(false), + m_cachedTheme(drawer->theme()), + m_labelStyle(QDataVis::LabelStyleFromTheme), + m_drawer(drawer), + m_cachedScene(0) +{ + initializeOpenGL(); + + QObject::connect(m_drawer, &Drawer::drawerChanged, + this, &SelectionPointer::handleDrawerChange); +} + +SelectionPointer::~SelectionPointer() +{ + delete m_labelShader; + delete m_pointShader; + delete m_labelObj; + delete m_pointObj; + delete m_textureHelper; +} + +void SelectionPointer::initializeOpenGL() +{ + if (m_isInitialized) + return; + + initializeOpenGLFunctions(); + + m_textureHelper = new TextureHelper(); + m_drawer->initializeOpenGL(); + + initShaders(); + + loadLabelMesh(); + loadPointMesh(); + + // Set initialized -flag + m_isInitialized = true; +} + +void SelectionPointer::updateScene(Q3DScene *scene) +{ + m_cachedScene = scene; +} + +void SelectionPointer::render(GLuint defaultFboHandle) +{ + Q_UNUSED(defaultFboHandle) + + glViewport(m_mainViewPort.x(), m_mainViewPort.y(), + m_mainViewPort.width(), m_mainViewPort.height()); + + Q3DCamera *camera = m_cachedScene->activeCamera(); + QSize textureSize = m_labelItem.size(); + + QMatrix4x4 itModelMatrix; + + // Get view matrix + QMatrix4x4 viewMatrix; + QMatrix4x4 projectionMatrix; + if (m_cachedIsSlicingActivated) { + GLfloat aspect = (GLfloat)m_mainViewPort.width() / (GLfloat)m_mainViewPort.height(); + viewMatrix.lookAt(QVector3D(0.0f, 0.0f, zComp + 1.0), + QVector3D(0.0f, 0.0f, zComp), + QVector3D(0.0f, 1.0f, 0.0f)); + projectionMatrix.ortho(-sliceUnits * aspect, sliceUnits * aspect, + -sliceUnits, sliceUnits, -1.0f, 14.0f); + } else { + viewMatrix = camera->viewMatrix(); + projectionMatrix.perspective(45.0f, (GLfloat)m_mainViewPort.width() + / (GLfloat)m_mainViewPort.height(), 0.1f, 100.0f); + } + + // Calculate scale factor to get uniform font size + GLfloat scaledFontSize = 0.05f + m_drawer->font().pointSizeF() / 500.0f; + GLfloat scaleFactor = scaledFontSize / (GLfloat)textureSize.height(); + + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + + // Position the pointer ball + modelMatrix.translate(m_position + QVector3D(0.0f, 0.0f, zComp)); + + // Scale the point with fixed values (at this point) + modelMatrix.scale(QVector3D(0.05f, 0.05f, 0.05f)); + + MVPMatrix = projectionMatrix * viewMatrix * modelMatrix; + + // Enable texturing + glEnable(GL_TEXTURE_2D); + + QVector3D lightPos = m_cachedScene->activeLight()->position(); + + // + // Draw the point + // + m_pointShader->bind(); + m_pointShader->setUniformValue(m_pointShader->lightP(), lightPos); + m_pointShader->setUniformValue(m_pointShader->view(), viewMatrix); + m_pointShader->setUniformValue(m_pointShader->model(), modelMatrix); + m_pointShader->setUniformValue(m_pointShader->nModel(), itModelMatrix.inverted().transposed()); + m_pointShader->setUniformValue(m_pointShader->color(), + Utils::vectorFromColor(m_cachedTheme.m_highlightBarColor)); + m_pointShader->setUniformValue(m_pointShader->MVP(), MVPMatrix); + m_pointShader->setUniformValue(m_pointShader->ambientS(), m_cachedTheme.m_ambientStrength); + m_pointShader->setUniformValue(m_pointShader->lightS(), m_cachedTheme.m_lightStrength * 2.0f); + + m_drawer->drawObject(m_pointShader, m_pointObj); + + m_pointShader->release(); + + // + // Draw the label + // + QMatrix4x4 modelMatrixLabel; + + // Position label + QVector3D labelAlign(0.0f, 1.0f * scaledFontSize + 0.05f, 0.0f); + modelMatrixLabel.translate(m_position + labelAlign + QVector3D(0.0f, 0.0f, zComp)); + + // Position the label towards the camera + qreal camRotationsX = camera->xRotation(); + qreal camRotationsY = camera->yRotation(); + if (!m_cachedIsSlicingActivated) { + modelMatrixLabel.rotate(-camRotationsX, 0.0f, 1.0f, 0.0f); + modelMatrixLabel.rotate(-camRotationsY, 1.0f, 0.0f, 0.0f); + } + + // Scale label based on text size + modelMatrixLabel.scale(QVector3D((GLfloat)textureSize.width() * scaleFactor, + scaledFontSize, + 0.0f)); + + // Make label to be always on top + glDisable(GL_DEPTH_TEST); + + // Make label transparent + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + m_labelShader->bind(); + + // Set shader bindings + MVPMatrix = projectionMatrix * viewMatrix * modelMatrixLabel; + m_labelShader->setUniformValue(m_labelShader->MVP(), MVPMatrix); + + // Draw the object + m_drawer->drawObject(m_labelShader, m_labelObj, m_labelItem.textureId()); + + m_labelShader->release(); + + // Disable textures + glDisable(GL_TEXTURE_2D); + + // Disable transparency + glDisable(GL_BLEND); + + // Depth test back to normal + glEnable(GL_DEPTH_TEST); +} + +void SelectionPointer::setPosition(QVector3D position) +{ + m_position = position; +} + +void SelectionPointer::updateSliceData(bool sliceActivated, GLfloat autoScaleAdjustment) +{ + m_cachedIsSlicingActivated = sliceActivated; + m_autoScaleAdjustment = autoScaleAdjustment; +} + +void SelectionPointer::setLabel(QString label) +{ + m_label = label; + + m_drawer->generateLabelItem(m_labelItem, m_label); +} + +void SelectionPointer::handleDrawerChange() +{ + m_cachedTheme = m_drawer->theme(); + setLabel(m_label); +} + +void SelectionPointer::updateBoundingRect(QRect rect) +{ + m_mainViewPort = rect; +} + +void SelectionPointer::initShaders() +{ + // The shader for printing the text label + if (m_labelShader) + delete m_labelShader; + m_labelShader = new ShaderHelper(this, QStringLiteral(":/shaders/vertexLabel"), + QStringLiteral(":/shaders/fragmentLabel")); + m_labelShader->initialize(); + + // The shader for the small point ball + if (m_pointShader) + delete m_pointShader; +#if defined (Q_OS_ANDROID) + m_pointShader = new ShaderHelper(this, QStringLiteral(":/shaders/vertexES2"), + QStringLiteral(":/shaders/fragmentES2")); +#else + m_pointShader = new ShaderHelper(this, QStringLiteral(":/shaders/vertex"), + QStringLiteral(":/shaders/fragment")); +#endif + m_pointShader->initialize(); + +} + +void SelectionPointer::loadLabelMesh() +{ + if (m_labelObj) + delete m_labelObj; + m_labelObj = new ObjectHelper(QStringLiteral(":/defaultMeshes/label")); + m_labelObj->load(); +} + +void SelectionPointer::loadPointMesh() +{ + if (m_pointObj) + delete m_pointObj; + m_pointObj = new ObjectHelper(QStringLiteral(":/defaultMeshes/sphereSmooth")); + m_pointObj->load(); +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/selectionpointer_p.h b/src/datavisualization/engine/selectionpointer_p.h new file mode 100644 index 00000000..0e766035 --- /dev/null +++ b/src/datavisualization/engine/selectionpointer_p.h @@ -0,0 +1,97 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef NOTIFICATIONLABEL_P_H +#define NOTIFICATIONLABEL_P_H + +#include <QtCore/QObject> +#include <QtGui/QOpenGLFunctions> +#include <QtGui/QFont> +#include <QWindow> +#include <QVector3D> + +#include "q3dscene.h" +#include "datavisualizationglobal_p.h" +#include "surface3dcontroller_p.h" + +class QOpenGLShaderProgram; + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class ShaderHelper; +class ObjectHelper; +class SurfaceObject; +class TextureHelper; +class Theme; +class Drawer; +class Q3DCamera; + +class QT_DATAVISUALIZATION_EXPORT SelectionPointer : public QObject, protected QOpenGLFunctions +{ + Q_OBJECT + +public: + explicit SelectionPointer(Drawer *drawer); + ~SelectionPointer(); + + void initializeOpenGL(); + void render(GLuint defaultFboHandle = 0); + void setPosition(QVector3D position); + void setLabel(QString label); + void handleDrawerChange(); + void updateBoundingRect(QRect rect); + void updateScene(Q3DScene *scene); + void updateSliceData(bool sliceActivated, GLfloat autoScaleAdjustment); + +private: + void initShaders(); + void loadLabelMesh(); + void loadPointMesh(); + +private: + ShaderHelper *m_labelShader; + ShaderHelper *m_pointShader; + ObjectHelper *m_labelObj; + ObjectHelper *m_pointObj; + TextureHelper *m_textureHelper; + bool m_isInitialized; + Theme m_cachedTheme; + QDataVis::LabelStyle m_labelStyle; + LabelItem m_labelItem; + Drawer *m_drawer; + QRect m_mainViewPort; + QVector3D m_position; + Q3DScene *m_cachedScene; + QString m_label; + bool m_cachedIsSlicingActivated; + GLfloat m_autoScaleAdjustment; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // NOTIFICATIONLABEL_P_H diff --git a/src/datavisualization/engine/shaders/ambient.frag b/src/datavisualization/engine/shaders/ambient.frag new file mode 100644 index 00000000..88f850f3 --- /dev/null +++ b/src/datavisualization/engine/shaders/ambient.frag @@ -0,0 +1,32 @@ +#version 120 + +uniform highp vec3 lightPosition_wrld; +uniform highp vec3 color_mdl; + +varying highp vec3 position_wrld; +varying highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; + +void main() { + highp vec3 lightColor = vec3(1.0, 1.0, 1.0); + highp float lightPower = 10.0; + highp vec3 materialAmbientColor = vec3(0.5, 0.5, 0.5) * color_mdl; + highp vec3 materialSpecularColor = vec3(0.3, 0.3, 0.3) * color_mdl; + + highp float distance = length(lightPosition_wrld - position_wrld); + + highp vec3 n = normalize(normal_cmr); + highp vec3 l = normalize(lightDirection_cmr); + highp float cosTheta = clamp(dot(n, l), 0.0, 1.0); + + highp vec3 E = normalize(eyeDirection_cmr); + highp vec3 R = reflect(-l, n); + highp float cosAlpha = clamp(dot(E, R), 0.0, 1.0); + + gl_FragColor.rgb = + materialAmbientColor + + materialSpecularColor * lightColor * lightPower * pow(cosAlpha, 5) / (distance * distance); + gl_FragColor.a = 1.0; +} + diff --git a/src/datavisualization/engine/shaders/colorOnY.frag b/src/datavisualization/engine/shaders/colorOnY.frag new file mode 100644 index 00000000..80e54a61 --- /dev/null +++ b/src/datavisualization/engine/shaders/colorOnY.frag @@ -0,0 +1,36 @@ +#version 120 + +uniform highp vec3 lightPosition_wrld; +uniform highp vec3 color_mdl; +uniform highp float lightStrength; +uniform highp float ambientStrength; + +varying highp vec3 position_wrld; +varying highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; +varying highp vec2 coords_mdl; + +void main() { + highp float heightMod = (coords_mdl.y * 0.3) + 0.7; // Add 30% black to the bottom + highp vec3 materialDiffuseColor = heightMod * color_mdl; + highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; + highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + + highp float distance = length(lightPosition_wrld - position_wrld); + highp vec3 n = normalize(normal_cmr); + highp vec3 l = normalize(lightDirection_cmr); + highp float cosTheta = clamp(dot(n, l), 0.0, 1.0); + + highp vec3 E = normalize(eyeDirection_cmr); + highp vec3 R = reflect(-l, n); + highp float cosAlpha = clamp(dot(E, R), 0.0, 1.0); + + gl_FragColor.rgb = + materialAmbientColor + + materialDiffuseColor * lightStrength * (cosTheta * cosTheta) / distance + + materialSpecularColor * lightStrength * pow(cosAlpha, 5) / distance; + gl_FragColor.rgb = clamp(gl_FragColor.rgb, 0.0, 1.0); + gl_FragColor.a = 1.0; +} + diff --git a/src/datavisualization/engine/shaders/colorOnY_ES2.frag b/src/datavisualization/engine/shaders/colorOnY_ES2.frag new file mode 100644 index 00000000..aba52cfe --- /dev/null +++ b/src/datavisualization/engine/shaders/colorOnY_ES2.frag @@ -0,0 +1,37 @@ +uniform highp vec3 lightPosition_wrld; +uniform highp vec3 color_mdl; +uniform highp float lightStrength; +uniform highp float ambientStrength; + +varying highp vec3 position_wrld; +varying highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; +varying highp vec2 coords_mdl; + +void main() { + highp float heightMod = (coords_mdl.y * 0.3) + 0.7; // Add 30% black to the bottom + highp vec3 materialDiffuseColor = heightMod * color_mdl; + highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; + highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + + highp float distance = length(lightPosition_wrld - position_wrld); + highp vec3 n = normalize(normal_cmr); + highp vec3 l = normalize(lightDirection_cmr); + highp float cosTheta = dot(n, l); + if (cosTheta < 0.0) cosTheta = 0.0; + else if (cosTheta > 1.0) cosTheta = 1.0; + + highp vec3 E = normalize(eyeDirection_cmr); + highp vec3 R = reflect(-l, n); + highp float cosAlpha = dot(E, R); + if (cosAlpha < 0.0) cosAlpha = 0.0; + else if (cosAlpha > 1.0) cosAlpha = 1.0; + + gl_FragColor.rgb = + materialAmbientColor + + materialDiffuseColor * lightStrength * (cosTheta * cosTheta) / distance + + materialSpecularColor * lightStrength * (cosAlpha * cosAlpha * cosAlpha * cosAlpha * cosAlpha) / distance; + gl_FragColor.a = 1.0; +} + diff --git a/src/datavisualization/engine/shaders/default.frag b/src/datavisualization/engine/shaders/default.frag new file mode 100644 index 00000000..fba1ce4a --- /dev/null +++ b/src/datavisualization/engine/shaders/default.frag @@ -0,0 +1,36 @@ +#version 120 + +varying highp vec2 UV; +varying highp vec2 coords_mdl; +varying highp vec3 position_wrld; +varying highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; + +uniform highp vec3 lightPosition_wrld; +uniform highp vec3 color_mdl; +uniform highp float lightStrength; +uniform highp float ambientStrength; + +void main() { + highp vec3 materialDiffuseColor = color_mdl.rgb; + highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; + highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + + highp float distance = length(lightPosition_wrld - position_wrld); + + highp vec3 n = normalize(normal_cmr); + highp vec3 l = normalize(lightDirection_cmr); + highp float cosTheta = clamp(dot(n, l), 0.0, 1.0); + + highp vec3 E = normalize(eyeDirection_cmr); + highp vec3 R = reflect(-l, n); + highp float cosAlpha = clamp(dot(E, R), 0.0, 1.0); + + gl_FragColor.rgb = + materialAmbientColor + + materialDiffuseColor * lightStrength * pow(cosTheta, 2) / distance + + materialSpecularColor * lightStrength * pow(cosAlpha, 5) / distance; + gl_FragColor.a = 1.0; +} + diff --git a/src/datavisualization/engine/shaders/default.vert b/src/datavisualization/engine/shaders/default.vert new file mode 100644 index 00000000..14f77773 --- /dev/null +++ b/src/datavisualization/engine/shaders/default.vert @@ -0,0 +1,28 @@ +#version 120 + +attribute highp vec3 vertexPosition_mdl; +attribute highp vec2 vertexUV; +attribute highp vec3 vertexNormal_mdl; + +uniform highp mat4 MVP; +uniform highp mat4 V; +uniform highp mat4 M; +uniform highp mat4 itM; +uniform highp vec3 lightPosition_wrld; + +varying highp vec3 position_wrld; +varying highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; +varying highp vec2 coords_mdl; + +void main() { + gl_Position = MVP * vec4(vertexPosition_mdl, 1.0); + coords_mdl = vertexPosition_mdl.xy; + position_wrld = (M * vec4(vertexPosition_mdl, 1.0)).xyz; + vec3 vertexPosition_cmr = (V * M * vec4(vertexPosition_mdl, 1.0)).xyz; + eyeDirection_cmr = vec3(0.0, 0.0, 0.0) - vertexPosition_cmr; + vec3 lightPosition_cmr = (V * vec4(lightPosition_wrld, 1.0)).xyz; + lightDirection_cmr = lightPosition_cmr + eyeDirection_cmr; + normal_cmr = (V * itM * vec4(vertexNormal_mdl, 0.0)).xyz; +} diff --git a/src/datavisualization/engine/shaders/default_ES2.frag b/src/datavisualization/engine/shaders/default_ES2.frag new file mode 100644 index 00000000..7d6214b2 --- /dev/null +++ b/src/datavisualization/engine/shaders/default_ES2.frag @@ -0,0 +1,38 @@ +varying highp vec2 UV; +varying highp vec2 coords_mdl; +varying highp vec3 position_wrld; +varying highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; + +uniform highp vec3 lightPosition_wrld; +uniform highp vec3 color_mdl; +uniform highp float lightStrength; +uniform highp float ambientStrength; + +void main() { + highp vec3 materialDiffuseColor = color_mdl.rgb; + highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; + highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + + highp float distance = length(lightPosition_wrld - position_wrld); + + highp vec3 n = normalize(normal_cmr); + highp vec3 l = normalize(lightDirection_cmr); + highp float cosTheta = dot(n, l); + if (cosTheta < 0.0) cosTheta = 0.0; + else if (cosTheta > 1.0) cosTheta = 1.0; + + highp vec3 E = normalize(eyeDirection_cmr); + highp vec3 R = reflect(-l, n); + highp float cosAlpha = dot(E, R); + if (cosAlpha < 0.0) cosAlpha = 0.0; + else if (cosAlpha > 1.0) cosAlpha = 1.0; + + gl_FragColor.rgb = + materialAmbientColor + + materialDiffuseColor * lightStrength * (cosTheta * cosTheta) / distance + + materialSpecularColor * lightStrength * (cosAlpha * cosAlpha * cosAlpha * cosAlpha * cosAlpha) / distance; + gl_FragColor.a = 1.0; +} + diff --git a/src/datavisualization/engine/shaders/default_ES2.vert b/src/datavisualization/engine/shaders/default_ES2.vert new file mode 100644 index 00000000..efb40862 --- /dev/null +++ b/src/datavisualization/engine/shaders/default_ES2.vert @@ -0,0 +1,26 @@ +attribute highp vec3 vertexPosition_mdl; +attribute highp vec2 vertexUV; +attribute highp vec3 vertexNormal_mdl; + +uniform highp mat4 MVP; +uniform highp mat4 V; +uniform highp mat4 M; +uniform highp mat4 itM; +uniform highp vec3 lightPosition_wrld; + +varying highp vec3 position_wrld; +varying highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; +varying highp vec2 coords_mdl; + +void main() { + gl_Position = MVP * vec4(vertexPosition_mdl, 1.0); + coords_mdl = vertexPosition_mdl.xy; + position_wrld = (M * vec4(vertexPosition_mdl, 1.0)).xyz; + vec3 vertexPosition_cmr = (V * M * vec4(vertexPosition_mdl, 1.0)).xyz; + eyeDirection_cmr = vec3(0.0, 0.0, 0.0) - vertexPosition_cmr; + vec3 lightPosition_cmr = (V * vec4(lightPosition_wrld, 1.0)).xyz; + lightDirection_cmr = lightPosition_cmr + eyeDirection_cmr; + normal_cmr = (V * itM * vec4(vertexNormal_mdl, 0.0)).xyz; +} diff --git a/src/datavisualization/engine/shaders/depth.frag b/src/datavisualization/engine/shaders/depth.frag new file mode 100644 index 00000000..5cfd4b10 --- /dev/null +++ b/src/datavisualization/engine/shaders/depth.frag @@ -0,0 +1,3 @@ +void main() { + gl_FragDepth = gl_FragCoord.z; +} diff --git a/src/datavisualization/engine/shaders/depth.vert b/src/datavisualization/engine/shaders/depth.vert new file mode 100644 index 00000000..9fe5a193 --- /dev/null +++ b/src/datavisualization/engine/shaders/depth.vert @@ -0,0 +1,8 @@ +uniform highp mat4 MVP; + +attribute highp vec3 vertexPosition_mdl; + +void main() { + gl_Position = MVP * vec4(vertexPosition_mdl, 1.0); +} + diff --git a/src/datavisualization/engine/shaders/label.frag b/src/datavisualization/engine/shaders/label.frag new file mode 100644 index 00000000..86021410 --- /dev/null +++ b/src/datavisualization/engine/shaders/label.frag @@ -0,0 +1,8 @@ +uniform sampler2D textureSampler; + +varying highp vec2 UV; + +void main() { + gl_FragColor = texture2D(textureSampler, UV); +} + diff --git a/src/datavisualization/engine/shaders/label.vert b/src/datavisualization/engine/shaders/label.vert new file mode 100644 index 00000000..b4debe53 --- /dev/null +++ b/src/datavisualization/engine/shaders/label.vert @@ -0,0 +1,11 @@ +uniform highp mat4 MVP; + +attribute highp vec3 vertexPosition_mdl; +attribute highp vec2 vertexUV; + +varying highp vec2 UV; + +void main() { + gl_Position = MVP * vec4(vertexPosition_mdl, 1.0); + UV = vertexUV; +} diff --git a/src/datavisualization/engine/shaders/selection.frag b/src/datavisualization/engine/shaders/selection.frag new file mode 100644 index 00000000..099c87a1 --- /dev/null +++ b/src/datavisualization/engine/shaders/selection.frag @@ -0,0 +1,7 @@ +uniform highp vec3 color_mdl; + +void main() { + gl_FragColor.rgb = color_mdl; + gl_FragColor.a = 1.0; +} + diff --git a/src/datavisualization/engine/shaders/selection.vert b/src/datavisualization/engine/shaders/selection.vert new file mode 100644 index 00000000..64d17e15 --- /dev/null +++ b/src/datavisualization/engine/shaders/selection.vert @@ -0,0 +1,7 @@ +uniform highp mat4 MVP; + +attribute highp vec3 vertexPosition_mdl; + +void main() { + gl_Position = MVP * vec4(vertexPosition_mdl, 1.0); +} diff --git a/src/datavisualization/engine/shaders/shadow.frag b/src/datavisualization/engine/shaders/shadow.frag new file mode 100644 index 00000000..5309b5bb --- /dev/null +++ b/src/datavisualization/engine/shaders/shadow.frag @@ -0,0 +1,82 @@ +#version 120 + +uniform highp float lightStrength; +uniform highp float ambientStrength; +uniform highp float shadowQuality; +uniform highp sampler2D textureSampler; +uniform highp sampler2DShadow shadowMap; + +varying highp vec4 shadowCoord; +varying highp vec2 UV; +varying highp vec3 position_wrld; +varying highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; + +highp vec2 poissonDisk[16] = vec2[16](vec2(-0.94201624, -0.39906216), + vec2(0.94558609, -0.76890725), + vec2(-0.094184101, -0.92938870), + vec2(0.34495938, 0.29387760), + vec2(-0.91588581, 0.45771432), + vec2(-0.81544232, -0.87912464), + vec2(-0.38277543, 0.27676845), + vec2(0.97484398, 0.75648379), + vec2(0.44323325, -0.97511554), + vec2(0.53742981, -0.47373420), + vec2(-0.26496911, -0.41893023), + vec2(0.79197514, 0.19090188), + vec2(-0.24188840, 0.99706507), + vec2(-0.81409955, 0.91437590), + vec2(0.19984126, 0.78641367), + vec2(0.14383161, -0.14100790)); + +/*float random(vec3 seed, int i) { + vec4 seed4 = vec4(seed, i); + float dot_product = dot(seed4, vec4(12.9898, 78.233, 45.164, 94.673)); + return fract(sin(dot_product) * 43758.5453); +}*/ + +void main() { + highp vec3 materialDiffuseColor = texture2D(textureSampler, UV).rgb; + highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; + highp vec3 materialSpecularColor = vec3(0.2, 0.2, 0.2); + + highp vec3 n = normalize(normal_cmr); + highp vec3 l = normalize(lightDirection_cmr); + highp float cosTheta = clamp(dot(n, l), 0.0, 1.0); + + highp vec3 E = normalize(eyeDirection_cmr); + highp vec3 R = reflect(-l, n); + highp float cosAlpha = clamp(dot(E, R), 0.0, 1.0); + + highp float bias = 0.005 * tan(acos(cosTheta)); + bias = clamp(bias, 0.0, 0.01); + + vec4 shadCoords = shadowCoord; + shadCoords.z -= bias; + // adjust shadow strength by increasing the multiplier and lowering the addition (their sum must be 1) + // direct method; needs large shadow texture to look good + //highp float visibility = 0.75 * shadow2DProj(shadowMap, shadCoords).r + 0.25; + // poisson disk sampling; smoothes edges + highp float visibility = 0.6; + for (int i = 0; i < 15; i++) { + vec4 shadCoordsPD = shadCoords; + shadCoordsPD.x += cos(poissonDisk[i].x) / shadowQuality; + shadCoordsPD.y += sin(poissonDisk[i].y) / shadowQuality; + visibility += 0.025 * shadow2DProj(shadowMap, shadCoordsPD).r; + } + // stratified poisson; produces noise but hides pixel edges well + /*for (int i = 0; i < 15; i++) { + vec4 shadCoordsPD = shadCoords; + int index = int(16.0 * random(gl_FragCoord.xyy, i)); + shadCoordsPD.xy += poissonDisk[index] / 150.0; + visibility += 0.05 * shadow2DProj(shadowMap, shadCoordsPD).r; + } + */ + + gl_FragColor.rgb = + visibility * (materialAmbientColor + + materialDiffuseColor * lightStrength * cosTheta + + materialSpecularColor * lightStrength * pow(cosAlpha, 10)); + gl_FragColor.a = texture2D(textureSampler, UV).a; +} diff --git a/src/datavisualization/engine/shaders/shadow.vert b/src/datavisualization/engine/shaders/shadow.vert new file mode 100644 index 00000000..e29a8a30 --- /dev/null +++ b/src/datavisualization/engine/shaders/shadow.vert @@ -0,0 +1,37 @@ +#version 120 + +uniform highp mat4 MVP; +uniform highp mat4 V; +uniform highp mat4 M; +uniform highp mat4 itM; +uniform highp mat4 depthMVP; +uniform highp vec3 lightPosition_wrld; + +attribute highp vec3 vertexPosition_mdl; +attribute highp vec3 vertexNormal_mdl; +attribute highp vec2 vertexUV; + +varying highp vec2 UV; +varying highp vec3 position_wrld; +varying highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; +varying highp vec4 shadowCoord; +varying highp vec2 coords_mdl; + +const highp mat4 bias = mat4(0.5, 0.0, 0.0, 0.0, + 0.0, 0.5, 0.0, 0.0, + 0.0, 0.0, 0.5, 0.0, + 0.5, 0.5, 0.5, 1.0); + +void main() { + gl_Position = MVP * vec4(vertexPosition_mdl, 1.0); + coords_mdl = vertexPosition_mdl.xy; + shadowCoord = bias * depthMVP * vec4(vertexPosition_mdl, 1.0); + position_wrld = (M * vec4(vertexPosition_mdl, 1.0)).xyz; + vec3 vertexPosition_cmr = (V * M * vec4(vertexPosition_mdl, 1.0)).xyz; + eyeDirection_cmr = vec3(0.0, 0.0, 0.0) - vertexPosition_cmr; + lightDirection_cmr = (V * vec4(lightPosition_wrld, 0.0)).xyz; + normal_cmr = (V * itM * vec4(vertexNormal_mdl, 0.0)).xyz; + UV = vertexUV; +} diff --git a/src/datavisualization/engine/shaders/shadowNoTex.frag b/src/datavisualization/engine/shaders/shadowNoTex.frag new file mode 100644 index 00000000..0252ba49 --- /dev/null +++ b/src/datavisualization/engine/shaders/shadowNoTex.frag @@ -0,0 +1,98 @@ +#version 120 + +uniform highp float lightStrength; +uniform highp float ambientStrength; +uniform highp float shadowQuality; +uniform highp vec3 color_mdl; +uniform highp sampler2DShadow shadowMap; + +varying highp vec4 shadowCoord; +varying highp vec3 position_wrld; +varying highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; + +highp vec2 poissonDisk[16] = vec2[16](vec2(-0.94201624, -0.39906216), + vec2(0.94558609, -0.76890725), + vec2(-0.094184101, -0.92938870), + vec2(0.34495938, 0.29387760), + vec2(-0.91588581, 0.45771432), + vec2(-0.81544232, -0.87912464), + vec2(-0.38277543, 0.27676845), + vec2(0.97484398, 0.75648379), + vec2(0.44323325, -0.97511554), + vec2(0.53742981, -0.47373420), + vec2(-0.26496911, -0.41893023), + vec2(0.79197514, 0.19090188), + vec2(-0.24188840, 0.99706507), + vec2(-0.81409955, 0.91437590), + vec2(0.19984126, 0.78641367), + vec2(0.14383161, -0.14100790)); + +/*highp vec2 poissonDisk[16] = vec2[16](vec2(-0.25, -0.25), + vec2(0.25, -0.25), + vec2(-0.25, 0.25), + vec2(0.25, 0.25), + vec2(-0.5, -0.5), + vec2(0.5, -0.5), + vec2(-0.5, 0.5), + vec2(0.5, 0.5), + vec2(-0.75, -0.75), + vec2(0.75, -0.75), + vec2(-0.75, 0.75), + vec2(0.75, 0.75), + vec2(-1.0, -1.0), + vec2(1.0, -1.0), + vec2(-1.0, 1.0), + vec2(1.0, 1.0));*/ + +/*float random(vec3 seed, int i) { + vec4 seed4 = vec4(seed, i); + float dot_product = dot(seed4, vec4(12.9898, 78.233, 45.164, 94.673)); + return fract(sin(dot_product) * 43758.5453); +}*/ + +void main() { + highp vec3 materialDiffuseColor = color_mdl.rgb; + highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; + highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + + highp vec3 n = normalize(normal_cmr); + highp vec3 l = normalize(lightDirection_cmr); + highp float cosTheta = clamp(dot(n, l), 0.0, 1.0); + + highp vec3 E = normalize(eyeDirection_cmr); + highp vec3 R = reflect(-l, n); + highp float cosAlpha = clamp(dot(E, R), 0.0, 1.0); + + highp float bias = 0.005 * tan(acos(cosTheta)); + bias = clamp(bias, 0.0, 0.01); + + vec4 shadCoords = shadowCoord; + shadCoords.z -= bias; + // adjust shadow strength by increasing the multiplier and lowering the addition (their sum must be 1) + // direct method; needs large shadow texture to look good + //highp float visibility = 0.75 * shadow2DProj(shadowMap, shadCoords).r + 0.25; + // poisson disk sampling; smoothes edges + highp float visibility = 0.6; + for (int i = 0; i < 15; i++) { + vec4 shadCoordsPD = shadCoords; + shadCoordsPD.x += cos(poissonDisk[i].x) / shadowQuality; + shadCoordsPD.y += sin(poissonDisk[i].y) / shadowQuality; + visibility += 0.025 * shadow2DProj(shadowMap, shadCoordsPD).r; + } + // stratified poisson; produces noise but hides pixel edges well + /*for (int i = 0; i < 15; i++) { + vec4 shadCoordsPD = shadCoords; + int index = int(16.0 * random(gl_FragCoord.xyy, i)); + shadCoordsPD.xy += poissonDisk[index] / 150.0; + visibility += 0.05 * shadow2DProj(shadowMap, shadCoordsPD).r; + } + */ + + gl_FragColor.rgb = + visibility * (materialAmbientColor + + materialDiffuseColor * lightStrength * cosTheta + + materialSpecularColor * lightStrength * pow(cosAlpha, 10)); + gl_FragColor.a = 1.0; +} diff --git a/src/datavisualization/engine/shaders/shadowNoTexColorOnY.frag b/src/datavisualization/engine/shaders/shadowNoTexColorOnY.frag new file mode 100644 index 00000000..68ba2368 --- /dev/null +++ b/src/datavisualization/engine/shaders/shadowNoTexColorOnY.frag @@ -0,0 +1,82 @@ +#version 120 + +uniform highp float lightStrength; +uniform highp float ambientStrength; +uniform highp float shadowQuality; +uniform highp vec3 color_mdl; +uniform highp sampler2DShadow shadowMap; + +varying highp vec4 shadowCoord; +varying highp vec3 position_wrld; +varying highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; +varying highp vec2 coords_mdl; + +highp vec2 poissonDisk[16] = vec2[16](vec2(-0.94201624, -0.39906216), + vec2(0.94558609, -0.76890725), + vec2(-0.094184101, -0.92938870), + vec2(0.34495938, 0.29387760), + vec2(-0.91588581, 0.45771432), + vec2(-0.81544232, -0.87912464), + vec2(-0.38277543, 0.27676845), + vec2(0.97484398, 0.75648379), + vec2(0.44323325, -0.97511554), + vec2(0.53742981, -0.47373420), + vec2(-0.26496911, -0.41893023), + vec2(0.79197514, 0.19090188), + vec2(-0.24188840, 0.99706507), + vec2(-0.81409955, 0.91437590), + vec2(0.19984126, 0.78641367), + vec2(0.14383161, -0.14100790)); + +/*float random(vec3 seed, int i) { + vec4 seed4 = vec4(seed, i); + float dot_product = dot(seed4, vec4(12.9898, 78.233, 45.164, 94.673)); + return fract(sin(dot_product) * 43758.5453); +}*/ + +void main() { + highp float heightMod = (coords_mdl.y * 0.3) + 0.7; // Add 30% black to the bottom + highp vec3 materialDiffuseColor = heightMod * color_mdl; + highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; + highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + + highp vec3 n = normalize(normal_cmr); + highp vec3 l = normalize(lightDirection_cmr); + highp float cosTheta = clamp(dot(n, l), 0.0, 1.0); + + highp vec3 E = normalize(eyeDirection_cmr); + highp vec3 R = reflect(-l, n); + highp float cosAlpha = clamp(dot(E, R), 0.0, 1.0); + + highp float bias = 0.005 * tan(acos(cosTheta)); + bias = clamp(bias, 0.0, 0.01); + + vec4 shadCoords = shadowCoord; + shadCoords.z -= bias; + // adjust shadow strength by increasing the multiplier and lowering the addition (their sum must be 1) + // direct method; needs large shadow texture to look good + //highp float visibility = 0.75 * shadow2DProj(shadowMap, shadCoords).r + 0.25; + // poisson disk sampling; smoothes edges + highp float visibility = 0.6; + for (int i = 0; i < 15; i++) { + vec4 shadCoordsPD = shadCoords; + shadCoordsPD.x += cos(poissonDisk[i].x) / shadowQuality; + shadCoordsPD.y += sin(poissonDisk[i].y) / shadowQuality; + visibility += 0.025 * shadow2DProj(shadowMap, shadCoordsPD).r; + } + /*for (int i = 0; i < 15; i++) { + vec4 shadCoordsPD = shadCoords; + int index = int(16.0 * random(gl_FragCoord.xyy, i)); + shadCoordsPD.xy += poissonDisk[index] / 150.0; + visibility += 0.05 * shadow2DProj(shadowMap, shadCoordsPD).r; + }*/ + + gl_FragColor.rgb = + visibility * (materialAmbientColor + + materialDiffuseColor * lightStrength * cosTheta + + materialSpecularColor * lightStrength * pow(cosAlpha, 10)); + gl_FragColor.rgb = clamp(gl_FragColor.rgb, 0.0, 1.0); + gl_FragColor.a = 1.0; +} diff --git a/src/datavisualization/engine/shaders/surface.frag b/src/datavisualization/engine/shaders/surface.frag new file mode 100644 index 00000000..4b1357b1 --- /dev/null +++ b/src/datavisualization/engine/shaders/surface.frag @@ -0,0 +1,36 @@ +#version 120 + +varying highp vec3 coords_mdl; +varying highp vec3 position_wrld; +varying highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; + +uniform sampler2D textureSampler; +uniform highp vec3 lightPosition_wrld; +uniform highp float lightStrength; +uniform highp float ambientStrength; + +void main() { + highp vec2 gradientUV = vec2(0.0, (coords_mdl.y + 1.001) / 2.0); // 1000 pixel texture, we need a margin for 1/1000 rounding error + highp vec3 materialDiffuseColor = texture2D(textureSampler, gradientUV).xyz; + highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; + highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + + highp float distance = length(lightPosition_wrld - position_wrld); + + highp vec3 n = normalize(normal_cmr); + highp vec3 l = normalize(lightDirection_cmr); + highp float cosTheta = clamp(dot(n, l), 0.0, 1.0); + + highp vec3 E = normalize(eyeDirection_cmr); + highp vec3 R = reflect(-l, n); + highp float cosAlpha = clamp(dot(E, R), 0.0, 1.0); + + gl_FragColor.rgb = + materialAmbientColor + + materialDiffuseColor * lightStrength * pow(cosTheta, 2) / distance + + materialSpecularColor * lightStrength * pow(cosAlpha, 10) / distance; + gl_FragColor.a = 1.0; +} + diff --git a/src/datavisualization/engine/shaders/surface.vert b/src/datavisualization/engine/shaders/surface.vert new file mode 100644 index 00000000..28152abc --- /dev/null +++ b/src/datavisualization/engine/shaders/surface.vert @@ -0,0 +1,25 @@ +attribute highp vec3 vertexPosition_mdl; +attribute highp vec3 vertexNormal_mdl; + +uniform highp mat4 MVP; +uniform highp mat4 V; +uniform highp mat4 M; +uniform highp mat4 itM; +uniform highp vec3 lightPosition_wrld; + +varying highp vec3 position_wrld; +varying highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; +varying highp vec3 coords_mdl; + +void main() { + gl_Position = MVP * vec4(vertexPosition_mdl, 1.0); + coords_mdl = vertexPosition_mdl; + position_wrld = (M * vec4(vertexPosition_mdl, 1.0)).xyz; + vec3 vertexPosition_cmr = (V * M * vec4(vertexPosition_mdl, 1.0)).xyz; + eyeDirection_cmr = vec3(0.0, 0.0, 0.0) - vertexPosition_cmr; + vec3 lightPosition_cmr = (V * vec4(lightPosition_wrld, 1.0)).xyz; + lightDirection_cmr = lightPosition_cmr + eyeDirection_cmr; + normal_cmr = (V * itM * vec4(vertexNormal_mdl, 0.0)).xyz; +} diff --git a/src/datavisualization/engine/shaders/surfaceFlat.frag b/src/datavisualization/engine/shaders/surfaceFlat.frag new file mode 100644 index 00000000..a8a3dbb1 --- /dev/null +++ b/src/datavisualization/engine/shaders/surfaceFlat.frag @@ -0,0 +1,36 @@ +#version 150 + +varying highp vec3 coords_mdl; +varying highp vec3 position_wrld; +flat in highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; + +uniform sampler2D textureSampler; +uniform highp vec3 lightPosition_wrld; +uniform highp float lightStrength; +uniform highp float ambientStrength; + +void main() { + highp vec2 gradientUV = vec2(0.0, (coords_mdl.y + 1.001) / 2.0); // 1000 pixel texture, we need a margin for 1/1000 rounding error + highp vec3 materialDiffuseColor = texture2D(textureSampler, gradientUV).xyz; + highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; + highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + + highp float distance = length(lightPosition_wrld - position_wrld); + + highp vec3 n = normalize(normal_cmr); + highp vec3 l = normalize(lightDirection_cmr); + highp float cosTheta = clamp(dot(n, l), 0.0, 1.0); + + highp vec3 E = normalize(eyeDirection_cmr); + highp vec3 R = reflect(-l, n); + highp float cosAlpha = clamp(dot(E, R), 0.0, 1.0); + + gl_FragColor.rgb = + materialAmbientColor + + materialDiffuseColor * lightStrength * pow(cosTheta, 2) / distance + + materialSpecularColor * lightStrength * pow(cosAlpha, 10) / distance; + gl_FragColor.a = 1.0; +} + diff --git a/src/datavisualization/engine/shaders/surfaceFlat.vert b/src/datavisualization/engine/shaders/surfaceFlat.vert new file mode 100644 index 00000000..7e248d02 --- /dev/null +++ b/src/datavisualization/engine/shaders/surfaceFlat.vert @@ -0,0 +1,27 @@ +#version 150 + +attribute highp vec3 vertexPosition_mdl; +attribute highp vec3 vertexNormal_mdl; + +uniform highp mat4 MVP; +uniform highp mat4 V; +uniform highp mat4 M; +uniform highp mat4 itM; +uniform highp vec3 lightPosition_wrld; + +varying highp vec3 position_wrld; +flat out highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; +varying highp vec3 coords_mdl; + +void main() { + gl_Position = MVP * vec4(vertexPosition_mdl, 1.0); + coords_mdl = vertexPosition_mdl; + position_wrld = (M * vec4(vertexPosition_mdl, 1.0)).xyz; + vec3 vertexPosition_cmr = (V * M * vec4(vertexPosition_mdl, 1.0)).xyz; + eyeDirection_cmr = vec3(0.0, 0.0, 0.0) - vertexPosition_cmr; + vec3 lightPosition_cmr = (V * vec4(lightPosition_wrld, 1.0)).xyz; + lightDirection_cmr = lightPosition_cmr + eyeDirection_cmr; + normal_cmr = (V * itM * vec4(vertexNormal_mdl, 0.0)).xyz; +} diff --git a/src/datavisualization/engine/shaders/surfaceGrid.frag b/src/datavisualization/engine/shaders/surfaceGrid.frag new file mode 100644 index 00000000..1658b316 --- /dev/null +++ b/src/datavisualization/engine/shaders/surfaceGrid.frag @@ -0,0 +1,6 @@ +uniform highp vec3 color_mdl; + +void main() { + gl_FragColor.rgb = color_mdl; +} + diff --git a/src/datavisualization/engine/shaders/surfaceGrid.vert b/src/datavisualization/engine/shaders/surfaceGrid.vert new file mode 100644 index 00000000..5582d633 --- /dev/null +++ b/src/datavisualization/engine/shaders/surfaceGrid.vert @@ -0,0 +1,6 @@ +attribute highp vec3 vertexPosition_mdl; +uniform highp mat4 MVP; + +void main() { + gl_Position = MVP * vec4(vertexPosition_mdl, 1.0); +} diff --git a/src/datavisualization/engine/shaders/surface_ES2.frag b/src/datavisualization/engine/shaders/surface_ES2.frag new file mode 100644 index 00000000..a9aec528 --- /dev/null +++ b/src/datavisualization/engine/shaders/surface_ES2.frag @@ -0,0 +1,39 @@ +varying highp vec2 UV; +varying highp vec3 coords_mdl; +varying highp vec3 position_wrld; +varying highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; + +uniform sampler2D textureSampler; +uniform highp vec3 lightPosition_wrld; +uniform highp float lightStrength; +uniform highp float ambientStrength; + +void main() { + highp vec2 gradientUV = vec2(0.5, (coords_mdl.y + 1.0) / 2.0); + highp vec3 materialDiffuseColor = texture2D(textureSampler, gradientUV).xyz; + highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; + highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + + highp float distance = length(lightPosition_wrld - position_wrld); + + highp vec3 n = normalize(normal_cmr); + highp vec3 l = normalize(lightDirection_cmr); + highp float cosTheta = dot(n, l); + if (cosTheta < 0.0) cosTheta = 0.0; + else if (cosTheta > 1.0) cosTheta = 1.0; + + highp vec3 E = normalize(eyeDirection_cmr); + highp vec3 R = reflect(-l, n); + highp float cosAlpha = dot(E, R); + if (cosAlpha < 0.0) cosAlpha = 0.0; + else if (cosAlpha > 1.0) cosAlpha = 1.0; + + gl_FragColor.rgb = + materialAmbientColor + + materialDiffuseColor * lightStrength * cosTheta * cosTheta / distance + + materialSpecularColor * lightStrength * cosAlpha * cosAlpha * cosAlpha * cosAlpha * cosAlpha * cosAlpha * cosAlpha * cosAlpha * cosAlpha * cosAlpha / distance; + gl_FragColor.a = 1.0; +} + diff --git a/src/datavisualization/engine/shaders/texture.frag b/src/datavisualization/engine/shaders/texture.frag new file mode 100644 index 00000000..a6d7b2eb --- /dev/null +++ b/src/datavisualization/engine/shaders/texture.frag @@ -0,0 +1,35 @@ +#version 120 + +uniform highp vec3 lightPosition_wrld; +uniform highp vec3 color_mdl; +uniform highp float lightStrength; +uniform highp float ambientStrength; +uniform sampler2D textureSampler; + +varying highp vec2 UV; +varying highp vec3 position_wrld; +varying highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; + +void main() { + highp vec3 materialDiffuseColor = texture2D(textureSampler, UV).rgb; + highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; + highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + + highp float distance = length(lightPosition_wrld - position_wrld); + highp vec3 n = normalize(normal_cmr); + highp vec3 l = normalize(lightDirection_cmr); + highp float cosTheta = clamp(dot(n, l), 0.0, 1.0); + + highp vec3 E = normalize(eyeDirection_cmr); + highp vec3 R = reflect(-l, n); + highp float cosAlpha = clamp(dot(E, R), 0.0, 1.0); + + gl_FragColor.rgb = + materialAmbientColor + + materialDiffuseColor * lightStrength * (cosTheta * cosTheta) / distance + + materialSpecularColor * lightStrength * pow(cosAlpha, 10) / distance; + gl_FragColor.a = texture2D(textureSampler, UV).a; +} + diff --git a/src/datavisualization/engine/shaders/texture.vert b/src/datavisualization/engine/shaders/texture.vert new file mode 100644 index 00000000..01f922e0 --- /dev/null +++ b/src/datavisualization/engine/shaders/texture.vert @@ -0,0 +1,26 @@ +uniform highp mat4 MVP; +uniform highp mat4 V; +uniform highp mat4 M; +uniform highp mat4 itM; +uniform highp vec3 lightPosition_wrld; + +attribute highp vec3 vertexPosition_mdl; +attribute highp vec2 vertexUV; +attribute highp vec3 vertexNormal_mdl; + +varying highp vec2 UV; +varying highp vec3 position_wrld; +varying highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; + +void main() { + gl_Position = MVP * vec4(vertexPosition_mdl, 1.0); + position_wrld = (M * vec4(vertexPosition_mdl, 1.0)).xyz; + vec3 vertexPosition_cmr = (V * M * vec4(vertexPosition_mdl, 1.0)).xyz; + eyeDirection_cmr = vec3(0.0, 0.0, 0.0) - vertexPosition_cmr; + vec3 lightPosition_cmr = (V * vec4(lightPosition_wrld, 1.0)).xyz; + lightDirection_cmr = lightPosition_cmr + eyeDirection_cmr; + normal_cmr = (V * itM * vec4(vertexNormal_mdl, 0.0)).xyz; + UV = vertexUV; +} diff --git a/src/datavisualization/engine/shaders/texture_ES2.frag b/src/datavisualization/engine/shaders/texture_ES2.frag new file mode 100644 index 00000000..58097ba5 --- /dev/null +++ b/src/datavisualization/engine/shaders/texture_ES2.frag @@ -0,0 +1,37 @@ +uniform highp vec3 lightPosition_wrld; +uniform highp vec3 color_mdl; +uniform highp float lightStrength; +uniform highp float ambientStrength; +uniform sampler2D textureSampler; + +varying highp vec2 UV; +varying highp vec3 position_wrld; +varying highp vec3 normal_cmr; +varying highp vec3 eyeDirection_cmr; +varying highp vec3 lightDirection_cmr; + +void main() { + highp vec3 materialDiffuseColor = texture2D(textureSampler, UV).rgb; + highp vec3 materialAmbientColor = vec3(ambientStrength, ambientStrength, ambientStrength) * materialDiffuseColor; + highp vec3 materialSpecularColor = vec3(1.0, 1.0, 1.0); + + highp float distance = length(lightPosition_wrld - position_wrld); + highp vec3 n = normalize(normal_cmr); + highp vec3 l = normalize(lightDirection_cmr); + highp float cosTheta = dot(n, l); + if (cosTheta < 0.0) cosTheta = 0.0; + else if (cosTheta > 1.0) cosTheta = 1.0; + + highp vec3 E = normalize(eyeDirection_cmr); + highp vec3 R = reflect(-l, n); + highp float cosAlpha = dot(E, R); + if (cosAlpha < 0.0) cosAlpha = 0.0; + else if (cosAlpha > 1.0) cosAlpha = 1.0; + + gl_FragColor.rgb = + materialAmbientColor + + materialDiffuseColor * lightStrength * (cosTheta * cosTheta) / distance + + materialSpecularColor * lightStrength * (cosAlpha * cosAlpha * cosAlpha * cosAlpha * cosAlpha) / distance; + gl_FragColor.a = texture2D(textureSampler, UV).a; +} + diff --git a/src/datavisualization/engine/surface3dcontroller.cpp b/src/datavisualization/engine/surface3dcontroller.cpp new file mode 100644 index 00000000..2272b731 --- /dev/null +++ b/src/datavisualization/engine/surface3dcontroller.cpp @@ -0,0 +1,233 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "surface3dcontroller_p.h" +#include "surface3drenderer_p.h" +#include "camerahelper_p.h" +#include "q3dabstractaxis_p.h" +#include "q3dvalueaxis_p.h" +#include "q3dcategoryaxis.h" +#include "qsurfacedataproxy_p.h" + +#include <QMatrix4x4> + +#include <QDebug> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +Surface3DController::Surface3DController(QRect rect) + : Abstract3DController(rect), + m_renderer(0), + m_isSmoothSurfaceEnabled(false), + m_isSurfaceGridEnabled(true) +{ + setActiveDataProxy(0); + + // Setting a null axis creates a new default axis according to orientation and graph type. + // Note: These cannot be set in Abstract3DController constructor, as they will call virtual + // functions implemented by subclasses. + setAxisX(0); + setAxisY(0); + setAxisZ(0); + + // Set the default from the theme + m_userDefinedGradient = theme().m_surfaceGradient; +} + +Surface3DController::~Surface3DController() +{ +} + +void Surface3DController::initializeOpenGL() +{ + // Initialization is called multiple times when Qt Quick components are used + if (isInitialized()) + return; + + m_renderer = new Surface3DRenderer(this); + setRenderer(m_renderer); + synchDataToRenderer(); + emitNeedRender(); +} + +void Surface3DController::synchDataToRenderer() +{ + Abstract3DController::synchDataToRenderer(); + + if (!isInitialized()) + return; + + // Notify changes to renderer + if (m_changeTracker.gradientColorChanged) { + m_renderer->updateSurfaceGradient(m_userDefinedGradient); + m_changeTracker.gradientColorChanged = false; + } + + if (m_changeTracker.smoothStatusChanged) { + m_isSmoothSurfaceEnabled = m_renderer->updateSmoothStatus(m_isSmoothSurfaceEnabled); + m_changeTracker.smoothStatusChanged = false; + } + + if (m_changeTracker.surfaceGridChanged) { + m_renderer->updateSurfaceGridStatus(m_isSurfaceGridEnabled); + m_changeTracker.surfaceGridChanged = false; + } + + if (m_isDataDirty) { + m_renderer->updateDataModel(static_cast<QSurfaceDataProxy *>(m_data)); + m_isDataDirty = false; + } +} + +void Surface3DController::handleAxisAutoAdjustRangeChangedInOrientation(Q3DAbstractAxis::AxisOrientation orientation, bool autoAdjust) +{ + Q_UNUSED(orientation) + Q_UNUSED(autoAdjust) + + adjustValueAxisRange(); +} + +void Surface3DController::handleAxisRangeChangedBySender(QObject *sender) +{ + scene()->setSlicingActive(false); + Abstract3DController::handleAxisRangeChangedBySender(sender); +} + +void Surface3DController::setSmoothSurface(bool enable) +{ + m_isSmoothSurfaceEnabled = enable; + m_changeTracker.smoothStatusChanged = true; + emitNeedRender(); +} + +bool Surface3DController::smoothSurface() +{ + return m_isSmoothSurfaceEnabled; +} + +void Surface3DController::setSurfaceGrid(bool enable) +{ + m_isSurfaceGridEnabled = enable; + m_changeTracker.surfaceGridChanged = true; + emitNeedRender(); +} + +bool Surface3DController::surfaceGrid() +{ + return m_isSurfaceGridEnabled; +} + +void Surface3DController::setGradient(const QLinearGradient &gradient) +{ + m_userDefinedGradient = gradient; + m_userDefinedGradient.setStart(1, 1000); + m_userDefinedGradient.setFinalStop(0, 0); + m_changeTracker.gradientColorChanged = true; + emitNeedRender(); +} + +QLinearGradient Surface3DController::gradient() const +{ + return m_userDefinedGradient; +} + +void Surface3DController::setGradientColorAt(qreal pos, const QColor &color) +{ + m_userDefinedGradient.setColorAt(pos, color); + m_changeTracker.gradientColorChanged = true; + emitNeedRender(); +} + +void Surface3DController::setSelectionMode(QDataVis::SelectionMode mode) +{ + if (!(mode == QDataVis::SelectionModeNone || mode == QDataVis::SelectionModeItem + || mode == QDataVis::SelectionModeSliceRow + || mode == QDataVis::SelectionModeSliceColumn)) { + qWarning("Unsupported selection mode."); + return; + } + // Disable zoom if selection mode changes + setSlicingActive(false); + Abstract3DController::setSelectionMode(mode); +} + + +void Surface3DController::setActiveDataProxy(QAbstractDataProxy *proxy) +{ + // Setting null proxy indicates default proxy + if (!proxy) { + proxy = new QSurfaceDataProxy; + proxy->d_ptr->setDefaultProxy(true); + } + + Q_ASSERT(proxy->type() == QAbstractDataProxy::DataTypeSurface); + + Abstract3DController::setActiveDataProxy(proxy); + + QSurfaceDataProxy *surfaceDataProxy = static_cast<QSurfaceDataProxy *>(m_data); + + QObject::connect(surfaceDataProxy, &QSurfaceDataProxy::arrayReset, + this, &Surface3DController::handleArrayReset); + + scene()->setSlicingActive(false); + adjustValueAxisRange(); + m_isDataDirty = true; + emitNeedRender(); +} + +void Surface3DController::handleArrayReset() +{ + scene()->setSlicingActive(false); + adjustValueAxisRange(); + m_isDataDirty = true; + emitNeedRender(); +} + +void Surface3DController::adjustValueAxisRange() +{ + if (m_data) { + QVector3D minLimits; + QVector3D maxLimits; + static_cast<QSurfaceDataProxy *>(m_data)->dptr()->limitValues(minLimits, maxLimits); + Q3DValueAxis *valueAxis = static_cast<Q3DValueAxis *>(m_axisX); + if (valueAxis && valueAxis->isAutoAdjustRange()) { + if (minLimits.x() != maxLimits.x()) + valueAxis->dptr()->setRange(minLimits.x(), maxLimits.x()); + else + valueAxis->dptr()->setRange(minLimits.x() - 1.0f, minLimits.x() + 1.0f); // Default to some valid range + } + + valueAxis = static_cast<Q3DValueAxis *>(m_axisY); + if (valueAxis && valueAxis->isAutoAdjustRange()) { + if (minLimits.y() != maxLimits.y()) + valueAxis->dptr()->setRange(minLimits.y(), maxLimits.y()); + else + valueAxis->dptr()->setRange(minLimits.y() - 1.0f, minLimits.y() + 1.0f); // Default to some valid range + } + + valueAxis = static_cast<Q3DValueAxis *>(m_axisZ); + if (valueAxis && valueAxis->isAutoAdjustRange()) { + if (minLimits.z() != maxLimits.z()) + valueAxis->dptr()->setRange(minLimits.z(), maxLimits.z()); + else + valueAxis->dptr()->setRange(minLimits.z() - 1.0f, minLimits.z() + 1.0f); // Default to some valid range + } + } +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/surface3dcontroller_p.h b/src/datavisualization/engine/surface3dcontroller_p.h new file mode 100644 index 00000000..0efece97 --- /dev/null +++ b/src/datavisualization/engine/surface3dcontroller_p.h @@ -0,0 +1,108 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef SURFACE3DCONTROLLER_P_H +#define SURFACE3DCONTROLLER_P_H + +#include "abstract3dcontroller_p.h" +#include "datavisualizationglobal_p.h" + +#include <QLinearGradient> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Surface3DRenderer; + +struct Surface3DChangeBitField { + bool gradientColorChanged : 1; + bool smoothStatusChanged : 1; + bool surfaceGridChanged : 1; + + Surface3DChangeBitField() : + gradientColorChanged(true), + smoothStatusChanged(true), + surfaceGridChanged(true) + { + } +}; + +class QT_DATAVISUALIZATION_EXPORT Surface3DController : public Abstract3DController +{ + Q_OBJECT + +private: + Surface3DChangeBitField m_changeTracker; + + // Rendering + Surface3DRenderer *m_renderer; + bool m_isSmoothSurfaceEnabled; + bool m_isSurfaceGridEnabled; + QLinearGradient m_userDefinedGradient; + +public: + explicit Surface3DController(QRect rect); + ~Surface3DController(); + + void initializeOpenGL(); + virtual void synchDataToRenderer(); + + void setSmoothSurface(bool enable); + bool smoothSurface(); + + void setSurfaceGrid(bool enable); + bool surfaceGrid(); + + void setGradient(const QLinearGradient &gradient); + QLinearGradient gradient() const; + + void setGradientColorAt(qreal pos, const QColor &color); + + void setSelectionMode(QDataVis::SelectionMode mode); + + virtual void setActiveDataProxy(QAbstractDataProxy *proxy); + + virtual void handleAxisAutoAdjustRangeChangedInOrientation(Q3DAbstractAxis::AxisOrientation orientation, bool autoAdjust); + virtual void handleAxisRangeChangedBySender(QObject *sender); + +public slots: + void handleArrayReset(); + +signals: + void smoothStatusChanged(bool enable); + void surfaceGridChanged(bool enable); + void segmentCountChanged(GLint segmentCount, GLfloat step, GLfloat minimum); + +private: + void adjustValueAxisRange(); + + Q_DISABLE_COPY(Surface3DController) +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // SURFACE3DCONTROLLER_P_H diff --git a/src/datavisualization/engine/surface3drenderer.cpp b/src/datavisualization/engine/surface3drenderer.cpp new file mode 100644 index 00000000..a1dfc7e8 --- /dev/null +++ b/src/datavisualization/engine/surface3drenderer.cpp @@ -0,0 +1,2185 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "surface3dcontroller_p.h" +#include "surface3drenderer_p.h" +#include "q3dcamera.h" +#include "q3dcamera_p.h" +#include "shaderhelper_p.h" +#include "objecthelper_p.h" +#include "surfaceobject_p.h" +#include "texturehelper_p.h" +#include "selectionpointer_p.h" +#include "theme_p.h" +#include "utils_p.h" +#include "drawer_p.h" +#include "q3dlight.h" + +#include <QMatrix4x4> +#include <QMouseEvent> +#include <qmath.h> + +#include <QLinearGradient> +#include <QPainter> + +#include <QDebug> + +static const int ID_TO_RGBA_MASK = 0xff; + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +//#define SHOW_DEPTH_TEXTURE_SCENE + +// TODO Uniform scaling is broken on surface +//#define USE_UNIFORM_SCALING // Scale x and z uniformly, or based on autoscaled values + +const GLfloat aspectRatio = 2.0f; // Forced ratio of x and z to y. Dynamic will make it look odd. +const GLfloat backgroundMargin = 1.1f; // Margin for background (1.1f = make it 10% larger to avoid items being drawn inside background) +const GLfloat labelMargin = 0.05f; +const GLfloat backgroundBottom = 1.0f; +const GLfloat gridLineWidth = 0.005f; +const GLfloat sliceZScale = 0.1f; +const GLfloat surfaceGridYOffsetValue = 0.001f; +const GLfloat sliceUnits = 2.5f; +const int subViewDivider = 5; +// The second offset to opposite direction is double because same matrix is translated twice +const GLfloat surfaceGridYOffset[2] = {-surfaceGridYOffsetValue, 2.0f * surfaceGridYOffsetValue}; + +Surface3DRenderer::Surface3DRenderer(Surface3DController *controller) + : Abstract3DRenderer(controller), + m_controller(controller), + m_labelStyle(QDataVis::LabelStyleFromTheme), + m_font(QFont(QStringLiteral("Arial"))), + m_isGridEnabled(true), + m_shader(0), + m_depthShader(0), + m_backgroundShader(0), + m_surfaceShader(0), + m_surfaceGridShader(0), + m_selectionShader(0), + m_labelShader(0), + m_heightNormalizer(0.0f), + m_scaleFactor(0.0f), + m_scaleX(0.0f), + m_scaleZ(0.0f), + m_scaleXWithBackground(0.0f), + m_scaleZWithBackground(0.0f), + m_surfaceScaleX(0.0f), + m_surfaceScaleZ(0.0f), + m_surfaceOffsetX(0.0f), + m_surfaceOffsetZ(0.0f), + m_minVisibleColumnValue(0.0f), + m_maxVisibleColumnValue(0.0f), + m_minVisibleRowValue(0.0f), + m_maxVisibleRowValue(0.0f), + m_visibleColumnRange(0.0f), + m_visibleRowRange(0.0f), + m_backgroundObj(0), + m_gridLineObj(0), + m_labelObj(0), + m_surfaceObj(0), + m_sliceSurfaceObj(0), + m_depthTexture(0), + m_depthFrameBuffer(0), + m_selectionFrameBuffer(0), + m_selectionDepthBuffer(0), + m_gradientTexture(0), + m_selectionTexture(0), + m_selectionResultTexture(0), + m_shadowQualityToShader(33.3f), + m_flatSupported(true), + m_selectionPointer(0), + m_selectionActive(false), + m_xFlipped(false), + m_zFlipped(false), + m_yFlipped(false), + m_sampleSpace(QRect(0, 0, 0, 0)), + m_shadowQualityMultiplier(3), + m_cachedSelectionId(0), + m_selectionModeChanged(false), + m_hasHeightAdjustmentChanged(true) +{ +#if !defined(QT_OPENGL_ES_2) + // Check if flat feature is supported + ShaderHelper tester(this, QStringLiteral(":/shaders/vertexSurfaceFlat"), + QStringLiteral(":/shaders/fragmentSurfaceFlat")); + if (!tester.testCompile()) { + m_flatSupported = false; + m_controller->setSmoothSurface(true); + } +#endif + + m_cachedSmoothSurface = m_controller->smoothSurface(); + updateSurfaceGridStatus(m_controller->surfaceGrid()); + + // Shadows are disabled for Q3DSurface in Tech Preview + updateShadowQuality(QDataVis::ShadowQualityNone); + + initializeOpenGLFunctions(); + initializeOpenGL(); +} + +Surface3DRenderer::~Surface3DRenderer() +{ + m_textureHelper->glDeleteFramebuffers(1, &m_depthFrameBuffer); + m_textureHelper->glDeleteRenderbuffers(1, &m_selectionDepthBuffer); + m_textureHelper->glDeleteFramebuffers(1, &m_selectionFrameBuffer); + + m_textureHelper->deleteTexture(&m_depthTexture); + m_textureHelper->deleteTexture(&m_gradientTexture); + m_textureHelper->deleteTexture(&m_selectionTexture); + m_textureHelper->deleteTexture(&m_selectionResultTexture); + + delete m_shader; + delete m_depthShader; + delete m_backgroundShader; + delete m_selectionShader; + delete m_surfaceShader; + delete m_surfaceGridShader; + delete m_labelShader; + + delete m_backgroundObj; + delete m_surfaceObj; + delete m_sliceSurfaceObj; + delete m_gridLineObj; + delete m_labelObj; + + delete m_selectionPointer; + + for (int i = 0; i < m_dataArray.size(); i++) + delete m_dataArray.at(i); + m_dataArray.clear(); + + for (int i = 0; i < m_sliceDataArray.size(); i++) + delete m_sliceDataArray.at(i); + m_sliceDataArray.clear(); +} + +void Surface3DRenderer::initializeOpenGL() +{ + Abstract3DRenderer::initializeOpenGL(); + + // Initialize shaders + handleShadowQualityChange(); + + initSurfaceShaders(); + + initLabelShaders(QStringLiteral(":/shaders/vertexLabel"), + QStringLiteral(":/shaders/fragmentLabel")); + +#if !defined(QT_OPENGL_ES_2) + // Init depth shader (for shadows). Init in any case, easier to handle shadow activation if done via api. + initDepthShader(); +#endif + + // Init selection shader + initSelectionShaders(); + + // Load grid line mesh + loadGridLineMesh(); + + // Load label mesh + loadLabelMesh(); + + // Resize in case we've missed resize events + // Resize calls initSelectionBuffer and initDepthBuffer, so they don't need to be called here + handleResize(); + + // Load background mesh (we need to be initialized first) + loadBackgroundMesh(); +} + +void Surface3DRenderer::updateDataModel(QSurfaceDataProxy *dataProxy) +{ + calculateSceneScalingFactors(); + + const QSurfaceDataArray &array = *dataProxy->array(); + + // Need minimum of 2x2 array to draw a surface + if (array.size() >= 2 && array.at(0)->size() >= 2) { + QRect sampleSpace = calculateSampleRect(array); + + bool dimensionChanged = false; + if (m_sampleSpace != sampleSpace) { + dimensionChanged = true; + m_sampleSpace = sampleSpace; + + for (int i = 0; i < m_dataArray.size(); i++) + delete m_dataArray.at(i); + m_dataArray.clear(); + } + + // TODO: Handle partial surface grids on the graph edges + if (sampleSpace.width() >= 2 && sampleSpace.height() >= 2) { + if (dimensionChanged) { + m_dataArray.reserve(sampleSpace.height()); + for (int i = 0; i < sampleSpace.height(); i++) + m_dataArray << new QSurfaceDataRow(sampleSpace.width()); + } + for (int i = 0; i < sampleSpace.height(); i++) { + for (int j = 0; j < sampleSpace.width(); j++) + (*(m_dataArray.at(i)))[j] = array.at(i + sampleSpace.y())->at(j + sampleSpace.x()); + } + + if (m_dataArray.size() > 0) { + if (!m_surfaceObj) + loadSurfaceObj(); + + // Note: Data setup can change samplespace (as min width/height is 1) + if (m_cachedSmoothSurface) { + m_surfaceObj->setUpSmoothData(m_dataArray, m_sampleSpace, m_heightNormalizer, + m_axisCacheY.min(), dimensionChanged); + } else { + m_surfaceObj->setUpData(m_dataArray, m_sampleSpace, m_heightNormalizer, + m_axisCacheY.min(), dimensionChanged); + } + + if (dimensionChanged) + updateSelectionTexture(); + } + } + } + + m_selectionActive = false; + m_cachedSelectionId = 0; + for (int i = 0; i < m_sliceDataArray.size(); i++) + delete m_sliceDataArray.at(i); + m_sliceDataArray.clear(); + + Abstract3DRenderer::updateDataModel(dataProxy); +} + +void Surface3DRenderer::updateSliceDataModel(int selectionId) +{ + int column = (selectionId - 1) % m_sampleSpace.width(); + int row = (selectionId - 1) / m_sampleSpace.width(); + + for (int i = 0; i < m_sliceDataArray.size(); i++) + delete m_sliceDataArray.at(i); + m_sliceDataArray.clear(); + + m_sliceDataArray.reserve(2); + QSurfaceDataRow *sliceRow; + + qreal adjust = (0.025 * m_heightNormalizer) / 2.0; + qreal stepDown = 2.0 * adjust; + if (m_cachedSelectionMode == QDataVis::SelectionModeSliceRow) { + QSurfaceDataRow *src = m_dataArray.at(row); + sliceRow = new QSurfaceDataRow(src->size()); + for (int i = 0; i < sliceRow->size(); i++) + (*sliceRow)[i].setPosition(QVector3D(src->at(i).x(), src->at(i).y() + adjust, -1.0)); + } else { + sliceRow = new QSurfaceDataRow(m_sampleSpace.height()); + for (int i = 0; i < m_sampleSpace.height(); i++) { + (*sliceRow)[i].setPosition(QVector3D(m_dataArray.at(i)->at(column).z(), + m_dataArray.at(i)->at(column).y() + adjust, + -1.0)); + } + } + + m_sliceDataArray << sliceRow; + + // Make a duplicate, so that we get a little bit depth + QSurfaceDataRow *duplicateRow = new QSurfaceDataRow(*sliceRow); + for (int i = 0; i < sliceRow->size(); i++) + (*sliceRow)[i].setPosition(QVector3D(sliceRow->at(i).x(), sliceRow->at(i).y() - stepDown, 1.0)); + + m_sliceDataArray << duplicateRow; + + QRect sliceRect(0, 0, sliceRow->size(), 2); + + if (sliceRow->size() > 0) { + if (!m_sliceSurfaceObj) + loadSliceSurfaceObj(); + + if (m_cachedSmoothSurface) { + m_sliceSurfaceObj->setUpSmoothData(m_sliceDataArray, sliceRect, m_heightNormalizer, + m_axisCacheY.min(), true); + } else { + m_sliceSurfaceObj->setUpData(m_sliceDataArray, sliceRect, m_heightNormalizer, + m_axisCacheY.min(), true); + } + } +} + +QRect Surface3DRenderer::calculateSampleRect(const QSurfaceDataArray &array) +{ + QRect sampleSpace; + + int rowCount = array.size(); + int columnCount = array.at(0)->size(); + + int i; + bool found; + float axisMinX = float(m_axisCacheX.min()); + float axisMaxX = float(m_axisCacheX.max()); + float axisMinZ = float(m_axisCacheZ.min()); + float axisMaxZ = float(m_axisCacheZ.max()); + + // Comparisons between float and double are not accurate, so fudge our comparison values + //a little to get all rows and columns into view that need to be visible. + const float fudgeFactor = 0.00001f; + float fudgedAxisXRange = (axisMaxX - axisMinX) * fudgeFactor; + float fudgedAxisZRange = (axisMaxZ - axisMinZ) * fudgeFactor; + axisMinX -= fudgedAxisXRange; + axisMinZ -= fudgedAxisZRange; + axisMaxX += fudgedAxisXRange; + axisMaxZ += fudgedAxisZRange; + + // m_minVisibleColumnValue + for (i = 0, found = false; i < columnCount; i++) { + if (array.at(0)->at(i).x() >= axisMinX) { + found = true; + break; + } + } + if (found) { + m_minVisibleColumnValue = array.at(0)->at(i).x(); + sampleSpace.setLeft(i); + } else { + sampleSpace.setWidth(-1); // to indicate nothing needs to be shown + return sampleSpace; + } + + // m_maxVisibleColumnValue + for (i = columnCount - 1, found = false; i >= 0; i--) { + if (array.at(0)->at(i).x() <= axisMaxX) { + found = true; + break; + } + } + if (found) { + m_maxVisibleColumnValue = array.at(0)->at(i).x(); + sampleSpace.setRight(i); + } else { + sampleSpace.setWidth(-1); // to indicate nothing needs to be shown + return sampleSpace; + } + + // m_minVisibleRowValue + for (i = 0, found = false; i < rowCount; i++) { + if (array.at(i)->at(0).z() >= axisMinZ) { + found = true; + break; + } + } + if (found) { + m_minVisibleRowValue = array.at(i)->at(0).z(); + sampleSpace.setTop(i); + } else { + sampleSpace.setWidth(-1); // to indicate nothing needs to be shown + return sampleSpace; + } + + // m_maxVisibleRowValue + for (i = rowCount - 1, found = false; i >= 0; i--) { + if (array.at(i)->at(0).z() <= axisMaxZ) { + found = true; + break; + } + } + if (found) { + m_maxVisibleRowValue = array.at(i)->at(0).z(); + sampleSpace.setBottom(i); + } else { + sampleSpace.setWidth(-1); // to indicate nothing needs to be shown + return sampleSpace; + } + + m_visibleColumnRange = m_maxVisibleColumnValue - m_minVisibleColumnValue; + m_visibleRowRange = m_maxVisibleRowValue - m_minVisibleRowValue; + m_surfaceScaleX = m_scaleX * m_visibleColumnRange / m_areaSize.width(); + m_surfaceScaleZ = m_scaleZ * m_visibleRowRange / m_areaSize.height(); + GLfloat axis2XCenterX = axisMinX + axisMaxX; + GLfloat axis2XCenterZ = axisMinZ + axisMaxZ; + GLfloat data2XCenterX = GLfloat(m_minVisibleColumnValue + m_maxVisibleColumnValue); + GLfloat data2XCenterZ = GLfloat(m_minVisibleRowValue + m_maxVisibleRowValue); + m_surfaceOffsetX = m_scaleX * (data2XCenterX - axis2XCenterX) / m_areaSize.width(); + m_surfaceOffsetZ = -m_scaleZ * (data2XCenterZ - axis2XCenterZ) / m_areaSize.height(); + + return sampleSpace; +} + +void Surface3DRenderer::updateScene(Q3DScene *scene) +{ + // TODO: Move these to more suitable place e.g. controller should be controlling the viewports. + scene->setSecondarySubViewport(m_sliceViewPort); + scene->setPrimarySubViewport(m_mainViewPort); + + // Set initial camera position + // X must be 0 for rotation to work - we can use "setCameraRotation" for setting it later + if (m_hasHeightAdjustmentChanged) { + scene->activeCamera()->setBaseOrientation(QVector3D(0.0f, 0.0f, cameraDistance + zComp), + QVector3D(0.0f, 0.0f, zComp), + QVector3D(0.0f, 1.0f, 0.0f)); + // For now this is used just to make things once. Proper use will come + m_hasHeightAdjustmentChanged = false; + } + + scene->activeCamera()->d_ptr->updateViewMatrix(m_autoScaleAdjustment); + scene->setLightPositionRelativeToCamera(defaultLightPos); + + if (m_selectionPointer) + m_selectionPointer->updateScene(scene); + + Abstract3DRenderer::updateScene(scene); +} + +void Surface3DRenderer::render(GLuint defaultFboHandle) +{ + bool slicingActivated = m_cachedScene->isSlicingActive(); + bool slicingChanged = m_cachedIsSlicingActivated != slicingActivated; + + updateSlicingActive(slicingActivated); + + // Handle GL state setup for FBO buffers and clearing of the render surface + Abstract3DRenderer::render(defaultFboHandle); + + // In slice mode; draw slice and render selection ball + if (m_cachedIsSlicingActivated && m_selectionPointer && m_selectionActive) { + drawSlicedScene(); + m_selectionPointer->render(defaultFboHandle); + } + + // Draw the surface scene + drawScene(defaultFboHandle); + + // Render selection ball if not in slice mode + if (!m_cachedIsSlicingActivated && m_selectionPointer && m_selectionActive) + m_selectionPointer->render(defaultFboHandle); + + // If slicing has been activated by this render pass, we need another render + // Also trigger another render always when slicing changes in general to ensure + // final draw is correct. + if (slicingActivated != m_cachedScene->isSlicingActive() || slicingChanged) + emit needRender(); +} + +void Surface3DRenderer::drawSlicedScene() +{ + QVector3D lightPos; + + // Specify viewport + glViewport(m_sliceViewPort.x(), m_sliceViewPort.y(), + m_sliceViewPort.width(), m_sliceViewPort.height()); + + // Set up projection matrix + QMatrix4x4 projectionMatrix; + + GLfloat aspect = (GLfloat)m_mainViewPort.width() / (GLfloat)m_mainViewPort.height(); + projectionMatrix.ortho(-sliceUnits * aspect, sliceUnits * aspect, + -sliceUnits, sliceUnits, -1.0f, 14.0f); // 14.0 because of zComp + + // Set view matrix + QMatrix4x4 viewMatrix; + viewMatrix.lookAt(QVector3D(0.0f, 0.0f, zComp + 1.0f), + QVector3D(0.0f, 0.0f, zComp), + QVector3D(0.0f, 1.0f, 0.0f)); + + // Set light position + lightPos = m_cachedScene->activeLight()->position(); + + QMatrix4x4 projectionViewMatrix = projectionMatrix * viewMatrix; + + GLfloat scaleX = 0.0f; + GLfloat scaleXBackground = 0.0f; + GLfloat offset = 0.0f; + if (m_cachedSelectionMode == QDataVis::SelectionModeSliceRow) { + scaleX = m_surfaceScaleX; + scaleXBackground = m_scaleXWithBackground; + offset = m_surfaceOffsetX; + } else if (m_cachedSelectionMode == QDataVis::SelectionModeSliceColumn) { + scaleX = m_surfaceScaleZ; + scaleXBackground = m_scaleZWithBackground; + offset = -m_surfaceOffsetZ; + } + + if (m_surfaceObj) { + ShaderHelper *surfaceShader = m_shader; + surfaceShader->bind(); + + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 itModelMatrix; + + modelMatrix.translate(offset, 0.0f, zComp); + QVector3D scaling(scaleX, 1.0f, sliceZScale); + modelMatrix.scale(scaling); + itModelMatrix.scale(scaling); + + MVPMatrix = projectionViewMatrix * modelMatrix; + + QVector3D color; + if (m_cachedSelectionMode == QDataVis::SelectionModeSliceRow) + color = Utils::vectorFromColor(m_cachedTheme.m_highlightRowColor); + else + color = Utils::vectorFromColor(m_cachedTheme.m_highlightColumnColor); + + // Set shader bindings + surfaceShader->setUniformValue(surfaceShader->lightP(), lightPos); + surfaceShader->setUniformValue(surfaceShader->view(), viewMatrix); + surfaceShader->setUniformValue(surfaceShader->model(), modelMatrix); + surfaceShader->setUniformValue(surfaceShader->nModel(), itModelMatrix.inverted().transposed()); + surfaceShader->setUniformValue(surfaceShader->MVP(), MVPMatrix); + surfaceShader->setUniformValue(surfaceShader->color(), color); + surfaceShader->setUniformValue(surfaceShader->lightS(), 0.25f); + surfaceShader->setUniformValue(surfaceShader->ambientS(), + m_cachedTheme.m_ambientStrength * 2.0f); + + m_drawer->drawObject(surfaceShader, m_sliceSurfaceObj); + + surfaceShader->release(); + + // Draw surface grid + if (m_cachedSurfaceGridOn) { + m_surfaceGridShader->bind(); + + m_surfaceGridShader->setUniformValue(m_surfaceGridShader->color(), + Utils::vectorFromColor(m_cachedTheme.m_gridLine)); + // Draw the grid twice, with slight offset on Y axis to each direction + for (int i = 0; i < 2; i++) { + MVPMatrix.translate(0.0f, surfaceGridYOffset[i], 0.0f); + + m_surfaceGridShader->setUniformValue(m_surfaceGridShader->MVP(), MVPMatrix); + m_drawer->drawSurfaceGrid(m_surfaceGridShader, m_sliceSurfaceObj); + } + m_surfaceGridShader->release(); + } + } + + // Disable textures + glDisable(GL_TEXTURE_2D); + + // lines to the back + if (m_cachedIsGridEnabled && m_heightNormalizer) { + ShaderHelper *lineShader = m_backgroundShader; + // Bind line shader + lineShader->bind(); + + if (m_axisCacheY.segmentCount() > 0) { + QVector3D gridLineScaleX(scaleXBackground, gridLineWidth, gridLineWidth); + + // Set unchanging shader bindings + QVector3D lineColor = Utils::vectorFromColor(m_cachedTheme.m_gridLine); + lineShader->setUniformValue(lineShader->lightP(), lightPos); + lineShader->setUniformValue(lineShader->view(), viewMatrix); + lineShader->setUniformValue(lineShader->color(), lineColor); + lineShader->setUniformValue(lineShader->ambientS(), m_cachedTheme.m_ambientStrength * 2.0f); + lineShader->setUniformValue(lineShader->lightS(), 0.25f); + + // Back wall + GLfloat lineStep = 2.0f * m_axisCacheY.subSegmentStep() / m_heightNormalizer; + GLfloat linePos = -1.0f; + int lastSegment = m_axisCacheY.subSegmentCount() * m_axisCacheY.segmentCount(); + + for (int segment = 0; segment <= lastSegment; segment++) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 itModelMatrix; + + modelMatrix.translate(0.0f, linePos, zComp - sliceZScale); + + modelMatrix.scale(gridLineScaleX); + itModelMatrix.scale(gridLineScaleX); + + MVPMatrix = projectionViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + + linePos += lineStep; + } + } + + // Floor lines + QVector3D gridLineScaleZ(gridLineWidth, gridLineWidth, sliceZScale); + QVector3D gridLineScaleY(gridLineWidth, backgroundMargin, gridLineWidth); + + int lastSegment; + GLfloat lineStep; + GLfloat linePos; + if (m_cachedSelectionMode == QDataVis::SelectionModeSliceRow) { + lineStep = -2.0f * aspectRatio * m_axisCacheX.subSegmentStep() / m_scaleFactor; + lastSegment = m_axisCacheX.subSegmentCount() * m_axisCacheX.segmentCount(); + linePos = m_scaleX; + } else { + lineStep = -2.0f * aspectRatio * m_axisCacheZ.subSegmentStep() / m_scaleFactor; + lastSegment = m_axisCacheZ.subSegmentCount() * m_axisCacheZ.segmentCount(); + linePos = m_scaleZ; + } + + for (int segment = 0; segment <= lastSegment; segment++) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 itModelMatrix; + + modelMatrix.translate(linePos, -backgroundMargin, zComp); + + modelMatrix.scale(gridLineScaleZ); + itModelMatrix.scale(gridLineScaleZ); + + MVPMatrix = projectionViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + + linePos += lineStep; + } + + if (m_cachedSelectionMode == QDataVis::SelectionModeSliceRow) + linePos = m_scaleX; + else + linePos = m_scaleZ; + + for (int segment = 0; segment <= lastSegment; segment++) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 itModelMatrix; + + modelMatrix.translate(linePos, 0.0f, zComp - sliceZScale); + modelMatrix.scale(gridLineScaleY); + itModelMatrix.scale(gridLineScaleY); + + MVPMatrix = projectionViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + + linePos += lineStep; + } + + // Release line shader + lineShader->release(); + } + + // Draw axis labels + m_labelShader->bind(); + glEnable(GL_TEXTURE_2D); + glDisable(GL_DEPTH_TEST); + glCullFace(GL_BACK); + if (m_cachedLabelStyle > QDataVis::LabelStyleOpaque) { + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + } + + // Y Labels to back wall + GLfloat posStep = 2.0f * m_axisCacheY.segmentStep() / m_heightNormalizer; + GLfloat labelPos = -1.0f; + int labelNbr = 0; + + QVector3D positionComp(0.0f, 0.0f, zComp); + QVector3D rotation(0.0f, 0.0f, 0.0f); + QVector3D labelTrans = QVector3D(scaleXBackground + labelMargin, labelPos, zComp); + for (int segment = 0; segment <= m_axisCacheY.segmentCount(); segment++) { + if (m_axisCacheY.labelItems().size() > labelNbr) { + labelTrans.setY(labelPos); + const LabelItem &axisLabelItem = *m_axisCacheY.labelItems().at(labelNbr); + + // Draw the label here + m_dummyRenderItem.setTranslation(labelTrans); + m_drawer->drawLabel(m_dummyRenderItem, axisLabelItem, viewMatrix, projectionMatrix, + positionComp, rotation, 0, m_cachedSelectionMode, m_labelShader, + m_labelObj, m_cachedScene->activeCamera(), + true, true, Drawer::LabelMid, Qt::AlignRight); + } + labelNbr++; + labelPos += posStep; + } + + // X Labels to ground + int countLabelItems; + int lastSegment; + if (m_cachedSelectionMode == QDataVis::SelectionModeSliceRow) { + posStep = 2.0f * aspectRatio * m_axisCacheX.segmentStep() / m_scaleFactor; + labelPos = -m_scaleX; + lastSegment = m_axisCacheX.segmentCount(); + countLabelItems = m_axisCacheX.labelItems().size(); + } else { + posStep = 2.0f * aspectRatio * m_axisCacheZ.segmentStep() / m_scaleFactor; + labelPos = -m_scaleZ; + lastSegment = m_axisCacheZ.segmentCount(); + countLabelItems = m_axisCacheZ.labelItems().size(); + } + + labelNbr = 0; + positionComp.setY(backgroundMargin); + rotation.setZ(-45.0f); + labelTrans.setY(-backgroundMargin); + for (int segment = 0; segment <= lastSegment; segment++) { + if (countLabelItems > labelNbr) { + // Draw the label here + labelTrans.setX(labelPos); + + m_dummyRenderItem.setTranslation(labelTrans); + + LabelItem *axisLabelItem; + if (m_cachedSelectionMode == QDataVis::SelectionModeSliceRow) + axisLabelItem = m_axisCacheX.labelItems().at(labelNbr); + else + axisLabelItem = m_axisCacheZ.labelItems().at(labelNbr); + + m_drawer->drawLabel(m_dummyRenderItem, *axisLabelItem, viewMatrix, projectionMatrix, + positionComp, rotation, 0, QDataVis::SelectionModeSliceRow, + m_labelShader, m_labelObj, m_cachedScene->activeCamera(), + false, false, Drawer::LabelBelow, Qt::AlignTop); + } + labelNbr++; + labelPos += posStep; + } + + glDisable(GL_TEXTURE_2D); + glEnable(GL_DEPTH_TEST); + if (m_cachedLabelStyle > QDataVis::LabelStyleOpaque) + glDisable(GL_BLEND); + + // Release label shader + m_labelShader->release(); +} + +void Surface3DRenderer::drawScene(GLuint defaultFboHandle) +{ + GLfloat backgroundRotation = 0; + uint selectionId = 0; + + // Specify viewport + glViewport(m_mainViewPort.x(), m_mainViewPort.y(), + m_mainViewPort.width(), m_mainViewPort.height()); + + // Set up projection matrix + QMatrix4x4 projectionMatrix; + projectionMatrix.perspective(45.0f, (GLfloat)m_mainViewPort.width() + / (GLfloat)m_mainViewPort.height(), 0.1f, 100.0f); + + // Calculate view matrix + QMatrix4x4 viewMatrix = m_cachedScene->activeCamera()->viewMatrix(); + + QMatrix4x4 projectionViewMatrix = projectionMatrix * viewMatrix; + + // Calculate flipping indicators + if (viewMatrix.row(0).x() > 0) + m_zFlipped = false; + else + m_zFlipped = true; + if (viewMatrix.row(0).z() <= 0) + m_xFlipped = false; + else + m_xFlipped = true; + + // calculate background rotation based on view matrix rotation + if (viewMatrix.row(0).x() > 0 && viewMatrix.row(0).z() <= 0) + backgroundRotation = 270.0f; + else if (viewMatrix.row(0).x() > 0 && viewMatrix.row(0).z() > 0) + backgroundRotation = 180.0f; + else if (viewMatrix.row(0).x() <= 0 && viewMatrix.row(0).z() > 0) + backgroundRotation = 90.0f; + else if (viewMatrix.row(0).x() <= 0 && viewMatrix.row(0).z() <= 0) + backgroundRotation = 0.0f; + + QVector3D lightPos = m_cachedScene->activeLight()->position(); + + QMatrix4x4 depthViewMatrix; + QMatrix4x4 depthProjectionMatrix; + QMatrix4x4 depthProjectionViewMatrix; + + GLfloat adjustedLightStrength = m_cachedTheme.m_lightStrength / 10.0f; + + QVector3D surfaceScaler(m_surfaceScaleX, 1.0f, m_surfaceScaleZ); + QVector3D surfaceOffset(m_surfaceOffsetX, 0.0f, m_surfaceOffsetZ + zComp); + + // Draw depth buffer +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone && m_surfaceObj) { + // Render scene into a depth texture for using with shadow mapping + // Enable drawing to depth framebuffer + glBindFramebuffer(GL_FRAMEBUFFER, m_depthFrameBuffer); + glClear(GL_DEPTH_BUFFER_BIT); + + // Bind depth shader + m_depthShader->bind(); + + // Set viewport for depth map rendering. Must match texture size. Larger values give smoother shadows. + glViewport(m_mainViewPort.x(), m_mainViewPort.y(), + m_mainViewPort.width() * m_shadowQualityMultiplier, + m_mainViewPort.height() * m_shadowQualityMultiplier); + + // Get the depth view matrix + // It may be possible to hack lightPos here if we want to make some tweaks to shadow + QVector3D depthLightPos = m_cachedScene->activeCamera()->calculatePositionRelativeToCamera( + QVector3D(0.0f, 0.0f, zComp), 0.0f, 1.5f / m_autoScaleAdjustment); + depthViewMatrix.lookAt(depthLightPos, QVector3D(0.0f, 0.0f, zComp), + QVector3D(0.0f, 1.0f, 0.0f)); + + // TODO: Why does depthViewMatrix.column(3).y() goes to zero when we're directly above? + // That causes the scene to be not drawn from above -> must be fixed + // qDebug() << lightPos << depthViewMatrix << depthViewMatrix.column(3); + // Set the depth projection matrix +#ifndef USE_WIDER_SHADOWS + // Use this for perspective shadows + depthProjectionMatrix.perspective(10.0f, (GLfloat)m_mainViewPort.width() + / (GLfloat)m_mainViewPort.height(), 3.0f, 100.0f); +#else + // Use these for orthographic shadows + depthProjectionMatrix.ortho(-2.0f * 2.0f, 2.0f * 2.0f, + -2.0f, 2.0f, + 0.0f, 100.0f); +#endif + depthProjectionViewMatrix = depthProjectionMatrix * depthViewMatrix; + + glCullFace(GL_FRONT); + + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + + modelMatrix.translate(surfaceOffset); + modelMatrix.scale(surfaceScaler); + + MVPMatrix = depthProjectionViewMatrix * modelMatrix; + + m_depthShader->setUniformValue(m_depthShader->MVP(), MVPMatrix); + + // 1st attribute buffer : vertices + glEnableVertexAttribArray(m_depthShader->posAtt()); + glBindBuffer(GL_ARRAY_BUFFER, m_surfaceObj->vertexBuf()); + glVertexAttribPointer(m_depthShader->posAtt(), 3, GL_FLOAT, GL_FALSE, 0, + (void *)0); + + // Index buffer + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_surfaceObj->elementBuf()); + + // Draw the triangles + glDrawElements(GL_TRIANGLES, m_surfaceObj->indexCount(), GL_UNSIGNED_SHORT, + (void *)0); + + // Free buffers + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); + glBindBuffer(GL_ARRAY_BUFFER, 0); + + glDisableVertexAttribArray(m_depthShader->posAtt()); + + // Disable drawing to depth framebuffer (= enable drawing to screen) + glBindFramebuffer(GL_FRAMEBUFFER, defaultFboHandle); + + // Release depth shader + m_depthShader->release(); + + // Revert to original viewport + glViewport(m_mainViewPort.x(), m_mainViewPort.y(), + m_mainViewPort.width(), m_mainViewPort.height()); + + // Reset culling to normal + glCullFace(GL_BACK); + +#if 0 // Use this if you want to see what is being drawn to the framebuffer + // You'll also have to comment out GL_COMPARE_R_TO_TEXTURE -line in texturehelper (if using it) + { + m_labelShader->bind(); + glEnable(GL_TEXTURE_2D); + QMatrix4x4 modelMatrix; + QMatrix4x4 viewmatrix; + viewmatrix.lookAt(QVector3D(0.0f, 0.0f, 2.5f + zComp), + QVector3D(0.0f, 0.0f, zComp), + QVector3D(0.0f, 1.0f, 0.0f)); + modelMatrix.translate(0.0, 0.0, zComp); + QMatrix4x4 MVPMatrix = projectionMatrix * viewmatrix * modelMatrix; + m_labelShader->setUniformValue(m_labelShader->MVP(), MVPMatrix); + m_drawer->drawObject(m_labelShader, m_labelObj, m_depthTexture); + glDisable(GL_TEXTURE_2D); + m_labelShader->release(); + } +#endif + } +#endif + + bool selectionDirty = false; + + // Enable texturing + glEnable(GL_TEXTURE_2D); + + // Draw selection buffer + if (!m_cachedIsSlicingActivated && m_controller->inputState() == QDataVis::InputStateOnScene + && m_surfaceObj && m_cachedSelectionMode > QDataVis::SelectionModeNone) { + m_selectionShader->bind(); + glBindFramebuffer(GL_FRAMEBUFFER, m_selectionFrameBuffer); + glEnable(GL_DEPTH_TEST); // Needed, otherwise the depth render buffer is not used + glClearColor(0, 0, 0, 0); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Needed for clearing the frame buffer + glDisable(GL_DITHER); // disable dithering, it may affect colors if enabled + + glDisable(GL_CULL_FACE); + + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + + modelMatrix.translate(surfaceOffset); + modelMatrix.scale(surfaceScaler); + + MVPMatrix = projectionViewMatrix * modelMatrix; + + m_selectionShader->setUniformValue(m_selectionShader->MVP(), MVPMatrix); + + m_drawer->drawObject(m_selectionShader, m_surfaceObj, m_selectionTexture); + + glEnable(GL_DITHER); + + QPoint point = m_controller->inputPosition(); + GLubyte pixel[4] = {0}; + glReadPixels(point.x(), m_cachedBoundingRect.height() - point.y(), 1, 1, + GL_RGBA, GL_UNSIGNED_BYTE, (void *)pixel); + + glBindFramebuffer(GL_FRAMEBUFFER, defaultFboHandle); + + // Release selection shader + m_selectionShader->release(); + + // Put the RGBA value back to uint +#if defined (Q_OS_ANDROID) + selectionId = pixel[0] + pixel[1] * 256 + pixel[2] * 65536; +#else + selectionId = pixel[0] + pixel[1] * 256 + pixel[2] * 65536 + pixel[3] * 16777216; +#endif + + selectionDirty = true; + } + + // Draw the surface + if (m_surfaceObj && m_sampleSpace.width() >= 2 && m_sampleSpace.height() >= 2) { + m_surfaceShader->bind(); + + // For surface we can see climpses from underneath + glDisable(GL_CULL_FACE); + + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + modelMatrix.translate(surfaceOffset); + modelMatrix.scale(surfaceScaler); + itModelMatrix.scale(surfaceScaler); + +#ifdef SHOW_DEPTH_TEXTURE_SCENE + MVPMatrix = depthProjectionViewMatrix * modelMatrix; +#else + MVPMatrix = projectionViewMatrix * modelMatrix; +#endif + depthMVPMatrix = depthProjectionViewMatrix * modelMatrix; + + // Set shader bindings + m_surfaceShader->setUniformValue(m_surfaceShader->lightP(), lightPos); + m_surfaceShader->setUniformValue(m_surfaceShader->view(), viewMatrix); + m_surfaceShader->setUniformValue(m_surfaceShader->model(), modelMatrix); + m_surfaceShader->setUniformValue(m_surfaceShader->nModel(), + itModelMatrix.inverted().transposed()); + m_surfaceShader->setUniformValue(m_surfaceShader->MVP(), MVPMatrix); + m_surfaceShader->setUniformValue(m_surfaceShader->ambientS(), + m_cachedTheme.m_ambientStrength); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + m_surfaceShader->setUniformValue(m_surfaceShader->shadowQ(), m_shadowQualityToShader); + m_surfaceShader->setUniformValue(m_surfaceShader->depth(), depthMVPMatrix); + m_surfaceShader->setUniformValue(m_surfaceShader->lightS(), adjustedLightStrength); + + // Draw the object + m_drawer->drawObject(m_surfaceShader, m_surfaceObj, m_gradientTexture, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + m_surfaceShader->setUniformValue(m_surfaceShader->lightS(), + m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(m_surfaceShader, m_surfaceObj, m_gradientTexture); + } + + m_surfaceShader->release(); + + glEnable(GL_CULL_FACE); + + // Draw surface grid + if (m_cachedSurfaceGridOn) { + m_surfaceGridShader->bind(); + + m_surfaceGridShader->setUniformValue(m_surfaceGridShader->color(), + Utils::vectorFromColor(m_cachedTheme.m_gridLine)); + // Draw the grid twice, with slight offset on Y axis to each direction + for (int i = 0; i < 2; i++) { + MVPMatrix.translate(0.0f, surfaceGridYOffset[i], 0.0f); + + m_surfaceGridShader->setUniformValue(m_surfaceGridShader->MVP(), MVPMatrix); + m_drawer->drawSurfaceGrid(m_surfaceGridShader, m_surfaceObj); + } + m_surfaceGridShader->release(); + } + } + + // Bind background shader + m_backgroundShader->bind(); + glCullFace(GL_BACK); + + // Draw background + if (m_cachedIsBackgroundEnabled && m_backgroundObj) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + modelMatrix.translate(0.0f, 0.0f, zComp); + QVector3D bgScale(m_scaleXWithBackground, backgroundMargin, m_scaleZWithBackground); + modelMatrix.scale(bgScale); + itModelMatrix.scale(bgScale); + + // If we're viewing from below, background object must be flipped + if (m_yFlipped) { + modelMatrix.rotate(180.0f, 1.0, 0.0, 0.0); + modelMatrix.rotate(270.0f - backgroundRotation, 0.0f, 1.0f, 0.0f); + } else { + modelMatrix.rotate(backgroundRotation, 0.0f, 1.0f, 0.0f); + } + +#ifdef SHOW_DEPTH_TEXTURE_SCENE + MVPMatrix = depthProjectionViewMatrix * modelMatrix; +#else + MVPMatrix = projectionViewMatrix * modelMatrix; +#endif + depthMVPMatrix = depthProjectionViewMatrix * modelMatrix; + + QVector3D backgroundColor = Utils::vectorFromColor(m_cachedTheme.m_backgroundColor); + + // Set shader bindings + m_backgroundShader->setUniformValue(m_backgroundShader->lightP(), lightPos); + m_backgroundShader->setUniformValue(m_backgroundShader->view(), viewMatrix); + m_backgroundShader->setUniformValue(m_backgroundShader->model(), modelMatrix); + m_backgroundShader->setUniformValue(m_backgroundShader->nModel(), + itModelMatrix.inverted().transposed()); + m_backgroundShader->setUniformValue(m_backgroundShader->MVP(), MVPMatrix); + m_backgroundShader->setUniformValue(m_backgroundShader->color(), backgroundColor); + m_backgroundShader->setUniformValue(m_backgroundShader->ambientS(), + m_cachedTheme.m_ambientStrength * 2.0f); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + m_backgroundShader->setUniformValue(m_backgroundShader->shadowQ(), + m_shadowQualityToShader); + m_backgroundShader->setUniformValue(m_backgroundShader->depth(), depthMVPMatrix); + m_backgroundShader->setUniformValue(m_backgroundShader->lightS(), + adjustedLightStrength); + + // Draw the object + m_drawer->drawObject(m_backgroundShader, m_backgroundObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + m_backgroundShader->setUniformValue(m_backgroundShader->lightS(), + m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(m_backgroundShader, m_backgroundObj); + } + } + + // Release background shader + m_backgroundShader->release(); + + // Draw grid lines + QVector3D gridLineScaleX(m_scaleXWithBackground, gridLineWidth, gridLineWidth); + QVector3D gridLineScaleZ(gridLineWidth, gridLineWidth, m_scaleZWithBackground); + QVector3D gridLineScaleY(gridLineWidth, backgroundMargin, gridLineWidth); + + if (m_cachedIsGridEnabled && m_heightNormalizer) { + ShaderHelper *lineShader = m_backgroundShader; + // Bind line shader + lineShader->bind(); + + // Set unchanging shader bindings + QVector3D lineColor = Utils::vectorFromColor(m_cachedTheme.m_gridLine); + lineShader->setUniformValue(lineShader->lightP(), lightPos); + lineShader->setUniformValue(lineShader->view(), viewMatrix); + lineShader->setUniformValue(lineShader->color(), lineColor); + lineShader->setUniformValue(lineShader->ambientS(), m_cachedTheme.m_ambientStrength); + + // Rows (= Z) + if (m_axisCacheZ.segmentCount() > 0) { + // Floor lines + GLfloat lineStep = 2.0f * aspectRatio * m_axisCacheZ.subSegmentStep() / m_scaleFactor; + GLfloat linePos = m_scaleZ + zComp; // Start line + int lastSegment = m_axisCacheZ.subSegmentCount() * m_axisCacheZ.segmentCount(); + + for (int segment = 0; segment <= lastSegment; segment++) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + if (m_yFlipped) + modelMatrix.translate(0.0f, backgroundMargin, linePos); + else + modelMatrix.translate(0.0f, -backgroundMargin, linePos); + + modelMatrix.scale(gridLineScaleX); + itModelMatrix.scale(gridLineScaleX); + + // If we're viewing from below, grid line object must be flipped + if (m_yFlipped) + modelMatrix.rotate(180.0f, 1.0, 0.0, 0.0); + + MVPMatrix = projectionViewMatrix * modelMatrix; + depthMVPMatrix = depthProjectionViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + lineShader->setUniformValue(lineShader->shadowQ(), m_shadowQualityToShader); + lineShader->setUniformValue(lineShader->depth(), depthMVPMatrix); + lineShader->setUniformValue(lineShader->lightS(), adjustedLightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + } + linePos -= lineStep; + } + + // Side wall lines + GLfloat lineXTrans = m_scaleXWithBackground; + linePos = m_scaleZ + zComp; // Start line + + if (!m_xFlipped) + lineXTrans = -lineXTrans; + + for (int segment = 0; segment <= lastSegment; segment++) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + modelMatrix.translate(lineXTrans, 0.0f, linePos); + modelMatrix.scale(gridLineScaleY); + itModelMatrix.scale(gridLineScaleY); + + MVPMatrix = projectionViewMatrix * modelMatrix; + depthMVPMatrix = depthProjectionViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + lineShader->setUniformValue(lineShader->shadowQ(), m_shadowQualityToShader); + lineShader->setUniformValue(lineShader->depth(), depthMVPMatrix); + lineShader->setUniformValue(lineShader->lightS(), + adjustedLightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + } + linePos -= lineStep; + } + } + + // Columns (= X) + if (m_axisCacheX.segmentCount() > 0) { + // Floor lines + GLfloat lineStep = -2.0f * aspectRatio * m_axisCacheX.subSegmentStep() / m_scaleFactor; + GLfloat linePos = m_scaleX; + int lastSegment = m_axisCacheX.subSegmentCount() * m_axisCacheX.segmentCount(); + + for (int segment = 0; segment <= lastSegment; segment++) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + if (m_yFlipped) + modelMatrix.translate(linePos, backgroundMargin, zComp); + else + modelMatrix.translate(linePos, -backgroundMargin, zComp); + + modelMatrix.scale(gridLineScaleZ); + itModelMatrix.scale(gridLineScaleZ); + + // If we're viewing from below, grid line object must be flipped + if (m_yFlipped) + modelMatrix.rotate(180.0f, 1.0, 0.0, 0.0); + + MVPMatrix = projectionViewMatrix * modelMatrix; + depthMVPMatrix = depthProjectionViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + lineShader->setUniformValue(lineShader->shadowQ(), m_shadowQualityToShader); + lineShader->setUniformValue(lineShader->depth(), depthMVPMatrix); + lineShader->setUniformValue(lineShader->lightS(), adjustedLightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + } + linePos += lineStep; + } + + // Back wall lines + GLfloat lineZTrans = m_scaleZWithBackground + zComp; + linePos = m_scaleX; + + if (!m_zFlipped) + lineZTrans = -lineZTrans + zComp + zComp; + + for (int segment = 0; segment <= lastSegment; segment++) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + modelMatrix.translate(linePos, 0.0f, lineZTrans); + modelMatrix.scale(gridLineScaleY); + itModelMatrix.scale(gridLineScaleY); + + MVPMatrix = projectionViewMatrix * modelMatrix; + depthMVPMatrix = depthProjectionViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + lineShader->setUniformValue(lineShader->shadowQ(), m_shadowQualityToShader); + lineShader->setUniformValue(lineShader->depth(), depthMVPMatrix); + lineShader->setUniformValue(lineShader->lightS(), adjustedLightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + } + linePos += lineStep; + } + } + + // Horizontal wall lines + if (m_axisCacheY.segmentCount() > 0) { + // Back wall + GLfloat lineStep = 2.0f * m_axisCacheY.subSegmentStep() / m_heightNormalizer; + GLfloat linePos = -1.0f; + int lastSegment = m_axisCacheY.subSegmentCount() * m_axisCacheY.segmentCount(); + + GLfloat lineZTrans = m_scaleZWithBackground + zComp; + + if (!m_zFlipped) + lineZTrans = -lineZTrans + zComp + zComp; + + for (int segment = 0; segment <= lastSegment; segment++) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + modelMatrix.translate(0.0f, linePos, lineZTrans); + + modelMatrix.scale(gridLineScaleX); + itModelMatrix.scale(gridLineScaleX); + + MVPMatrix = projectionViewMatrix * modelMatrix; + depthMVPMatrix = depthProjectionViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + lineShader->setUniformValue(lineShader->shadowQ(), m_shadowQualityToShader); + lineShader->setUniformValue(lineShader->depth(), depthMVPMatrix); + lineShader->setUniformValue(lineShader->lightS(), adjustedLightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + } + linePos += lineStep; + } + + // Side wall + linePos = -1.0f; + lastSegment = m_axisCacheY.subSegmentCount() * m_axisCacheY.segmentCount(); + GLfloat lineXTrans = m_scaleXWithBackground; + + if (!m_xFlipped) + lineXTrans = -lineXTrans; + + for (int segment = 0; segment <= lastSegment; segment++) { + QMatrix4x4 modelMatrix; + QMatrix4x4 MVPMatrix; + QMatrix4x4 depthMVPMatrix; + QMatrix4x4 itModelMatrix; + + modelMatrix.translate(lineXTrans, linePos, zComp); + + modelMatrix.scale(gridLineScaleZ); + itModelMatrix.scale(gridLineScaleZ); + + MVPMatrix = projectionViewMatrix * modelMatrix; + depthMVPMatrix = depthProjectionViewMatrix * modelMatrix; + + // Set the rest of the shader bindings + lineShader->setUniformValue(lineShader->model(), modelMatrix); + lineShader->setUniformValue(lineShader->nModel(), + itModelMatrix.inverted().transposed()); + lineShader->setUniformValue(lineShader->MVP(), MVPMatrix); + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + // Set shadow shader bindings + lineShader->setUniformValue(lineShader->shadowQ(), m_shadowQualityToShader); + lineShader->setUniformValue(lineShader->depth(), depthMVPMatrix); + lineShader->setUniformValue(lineShader->lightS(), adjustedLightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj, 0, m_depthTexture); + } else +#endif + { + // Set shadowless shader bindings + lineShader->setUniformValue(lineShader->lightS(), + m_cachedTheme.m_lightStrength); + + // Draw the object + m_drawer->drawObject(lineShader, m_gridLineObj); + } + linePos += lineStep; + } + } + + // Release line shader + lineShader->release(); + } + + // Draw axis labels + m_labelShader->bind(); + + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + // Z Labels + QVector3D positionZComp(0.0f, 0.0f, zComp); + if (m_axisCacheZ.segmentCount() > 0) { + GLfloat posStep = 2.0f * aspectRatio * m_axisCacheZ.segmentStep() / m_scaleFactor; + GLfloat labelPos = m_scaleZ + zComp; + int lastSegment = m_axisCacheZ.segmentCount(); + int labelNbr = 0; + GLfloat labelXTrans = m_scaleXWithBackground + labelMargin; + GLfloat labelYTrans = -backgroundMargin; + GLfloat rotLabelX = -90.0f; + GLfloat rotLabelY = 0.0f; + GLfloat rotLabelZ = 0.0f; + Qt::AlignmentFlag alignment = Qt::AlignRight; + if (m_zFlipped) + rotLabelY = 180.0f; + if (m_xFlipped) { + labelXTrans = -labelXTrans; + alignment = Qt::AlignLeft; + } + if (m_yFlipped) { + rotLabelZ += 180.0f; + rotLabelY += 180.0f; + labelYTrans = -labelYTrans; + } + QVector3D labelTrans = QVector3D(labelXTrans, + labelYTrans, + labelPos); + QVector3D rotation(rotLabelX, rotLabelY, rotLabelZ); + + for (int segment = 0; segment <= lastSegment; segment++) { + if (m_axisCacheZ.labelItems().size() > labelNbr) { + labelTrans.setZ(labelPos); + + // Draw the label here + m_dummyRenderItem.setTranslation(labelTrans); + const LabelItem &axisLabelItem = *m_axisCacheZ.labelItems().at(labelNbr); + + m_drawer->drawLabel(m_dummyRenderItem, axisLabelItem, viewMatrix, projectionMatrix, + positionZComp, rotation, 0, m_cachedSelectionMode, + m_labelShader, m_labelObj, m_cachedScene->activeCamera(), + true, true, Drawer::LabelMid, alignment); + } + labelNbr++; + labelPos -= posStep; + } + } + // X Labels + if (m_axisCacheX.segmentCount() > 0) { + GLfloat posStep = 2.0f * aspectRatio * m_axisCacheX.segmentStep() / m_scaleFactor; + GLfloat labelPos = -m_scaleX; + int lastSegment = m_axisCacheX.segmentCount(); + + int labelNbr = 0; + GLfloat labelZTrans = m_scaleZWithBackground + labelMargin; + GLfloat labelYTrans = -backgroundMargin; + GLfloat rotLabelX = -90.0f; + GLfloat rotLabelY = 90.0f; + GLfloat rotLabelZ = 0.0f; + Qt::AlignmentFlag alignment = Qt::AlignLeft; + if (m_xFlipped) + rotLabelY = -90.0f; + if (m_zFlipped) { + labelZTrans = -labelZTrans; + alignment = Qt::AlignRight; + } + if (m_yFlipped) { + rotLabelZ += 180.0f; + rotLabelY += 180.0f; + labelYTrans = -labelYTrans; + } + QVector3D labelTrans = QVector3D(labelPos, + labelYTrans, + labelZTrans + zComp); + QVector3D rotation(rotLabelX, rotLabelY, rotLabelZ); + + for (int segment = 0; segment <= lastSegment; segment++) { + if (m_axisCacheX.labelItems().size() > labelNbr) { + // Draw the label here + labelTrans.setX(labelPos); + m_dummyRenderItem.setTranslation(labelTrans); + const LabelItem &axisLabelItem = *m_axisCacheX.labelItems().at(labelNbr); + + m_drawer->drawLabel(m_dummyRenderItem, axisLabelItem, viewMatrix, projectionMatrix, + positionZComp, rotation, 0, m_cachedSelectionMode, + m_labelShader, m_labelObj, m_cachedScene->activeCamera(), + true, true, Drawer::LabelMid, alignment); + } + labelNbr++; + labelPos += posStep; + } + } + // Y Labels + if (m_axisCacheY.segmentCount() > 0) { + GLfloat posStep = 2.0f * m_axisCacheY.segmentStep() / m_heightNormalizer; + GLfloat labelPos = -1.0f; + int labelNbr = 0; + GLfloat labelXTrans = m_scaleXWithBackground; + GLfloat labelZTrans = m_scaleZWithBackground; + + GLfloat labelMarginXTrans = labelMargin; + GLfloat labelMarginZTrans = labelMargin; + GLfloat rotLabelX = 0.0f; + GLfloat rotLabelY = -90.0f; + GLfloat rotLabelZ = 0.0f; + Qt::AlignmentFlag alignment = Qt::AlignLeft; + if (!m_xFlipped) { + labelXTrans = -labelXTrans; + labelMarginXTrans = -labelMargin; + rotLabelY = 90.0f; + } + if (m_zFlipped) { + labelZTrans = -labelZTrans; + labelMarginZTrans = -labelMargin; + alignment = Qt::AlignRight; + } + + // Back wall + QVector3D rotation(rotLabelX, rotLabelY, rotLabelZ); + + for (int segment = 0; segment <= m_axisCacheY.segmentCount(); segment++) { + if (m_axisCacheY.labelItems().size() > labelNbr) { + const LabelItem &axisLabelItem = *m_axisCacheY.labelItems().at(labelNbr); + + // Side wall + QVector3D labelTrans = QVector3D(labelXTrans, labelPos, + labelZTrans + labelMarginZTrans + zComp); + if (m_xFlipped) + rotation.setY(-90.0f); + else + rotation.setY(90.0f); + if (m_zFlipped) + alignment = Qt::AlignRight; + else + alignment = Qt::AlignLeft; + + // Draw the label here + m_dummyRenderItem.setTranslation(labelTrans); + m_drawer->drawLabel(m_dummyRenderItem, axisLabelItem, viewMatrix, projectionMatrix, + positionZComp, rotation, 0, m_cachedSelectionMode, + m_labelShader, m_labelObj, m_cachedScene->activeCamera(), + true, true, Drawer::LabelMid, alignment); + + // Back wall + if (m_xFlipped) + alignment = Qt::AlignLeft; + else + alignment = Qt::AlignRight; + if (m_zFlipped) + rotation.setY(180.0f); + else + rotation.setY(0.0f); + + labelTrans = QVector3D(-labelXTrans - labelMarginXTrans, labelPos, + -labelZTrans + zComp); + + // Draw the label here + m_dummyRenderItem.setTranslation(labelTrans); + m_drawer->drawLabel(m_dummyRenderItem, axisLabelItem, viewMatrix, projectionMatrix, + positionZComp, rotation, 0, m_cachedSelectionMode, + m_labelShader, m_labelObj, m_cachedScene->activeCamera(), + true, true, Drawer::LabelMid, alignment); + } + labelNbr++; + labelPos += posStep; + } + } + + glDisable(GL_TEXTURE_2D); + + glDisable(GL_BLEND); + + // Release label shader + m_labelShader->release(); + + // Selection handling + if (m_selectionModeChanged || selectionDirty) { + if (selectionDirty) + m_cachedSelectionId = selectionId; + if (m_cachedSelectionMode == QDataVis::SelectionModeNone) { + m_cachedSelectionId = 0; + m_selectionActive = false; + } + if (m_cachedSelectionMode == QDataVis::SelectionModeItem) { + if (m_cachedSelectionId) + surfacePointSelected(m_cachedSelectionId); + else + m_selectionActive = false; + } + if (m_cachedSelectionMode == QDataVis::SelectionModeSliceRow + || m_cachedSelectionMode == QDataVis::SelectionModeSliceColumn) { + if (m_cachedSelectionId) { + updateSliceDataModel(m_cachedSelectionId); + m_cachedScene->setSlicingActive(true); + + surfacePointSelected(m_cachedSelectionId); + + emit needRender(); + } + } + + m_selectionModeChanged = false; + } + if (m_controller->inputState() == QDataVis::InputStateOnOverview) { + if (m_cachedIsSlicingActivated) { + m_cachedScene->setSlicingActive(false); + m_selectionActive = false; + m_cachedSelectionId = 0; + } + } +} + +void Surface3DRenderer::updateSurfaceGradient(const QLinearGradient &gradient) +{ + QImage image(QSize(1, 1000), QImage::Format_RGB32); + QPainter pmp(&image); + pmp.setBrush(QBrush(gradient)); + pmp.setPen(Qt::NoPen); + pmp.drawRect(0, 0, 1, 1000); + + if (m_gradientTexture) { + m_textureHelper->deleteTexture(&m_gradientTexture); + m_gradientTexture = 0; + } + + m_gradientTexture = m_textureHelper->create2DTexture(image, false, true); +} + +// This one needs to be called when the data size changes +void Surface3DRenderer::updateSelectionTexture() +{ + // Create the selection ID image. Each grid corner gets 2x2 pixel area of + // ID color so that each vertex (data point) has 4x4 pixel area of ID color + int idImageWidth = (m_sampleSpace.width() - 1) * 4; + int idImageHeight = (m_sampleSpace.height() - 1) * 4; + int stride = idImageWidth * 4 * sizeof(uchar); // 4 = number of color components (rgba) + + uchar *bits = new uchar[idImageWidth * idImageHeight * 4 * sizeof(uchar)]; + uint id = 1; + for (int i = 0; i < idImageHeight; i += 4) { + for (int j = 0; j < idImageWidth; j += 4) { + int p = (i * idImageWidth + j) * 4; + uchar r, g, b, a; + idToRGBA(id, &r, &g, &b, &a); + fillIdCorner(&bits[p], r, g, b, a, stride); + + idToRGBA(id + 1, &r, &g, &b, &a); + fillIdCorner(&bits[p + 8], r, g, b, a, stride); + + idToRGBA(id + m_sampleSpace.width(), &r, &g, &b, &a); + fillIdCorner(&bits[p + 2 * stride], r, g, b, a, stride); + + idToRGBA(id + m_sampleSpace.width() + 1, &r, &g, &b, &a); + fillIdCorner(&bits[p + 2 * stride + 8], r, g, b, a, stride); + + id++; + } + id++; + } + + // If old texture exists, delete it + if (m_selectionTexture) { + m_textureHelper->deleteTexture(&m_selectionTexture); + m_selectionTexture = 0; + } + + // Move the ID image (bits) to the texture + QImage image = QImage(bits, idImageWidth, idImageHeight, QImage::Format_RGB32); + m_selectionTexture = m_textureHelper->create2DTexture(image, false, false, false); + + // Release the temp bits allocation + delete[] bits; +} + +void Surface3DRenderer::initSelectionBuffer() +{ + // Create the result selection texture and buffers + if (m_selectionResultTexture) { + m_textureHelper->deleteTexture(&m_selectionResultTexture); + m_selectionResultTexture = 0; + } + + m_selectionResultTexture = m_textureHelper->createSelectionTexture(m_mainViewPort.size(), + m_selectionFrameBuffer, + m_selectionDepthBuffer); +} + +void Surface3DRenderer::fillIdCorner(uchar *p, uchar r, uchar g, uchar b, uchar a, int stride) +{ + p[0] = r; + p[1] = g; + p[2] = b; + p[3] = a; + p[4] = r; + p[5] = g; + p[6] = b; + p[7] = a; + p[stride + 0] = r; + p[stride + 1] = g; + p[stride + 2] = b; + p[stride + 3] = a; + p[stride + 4] = r; + p[stride + 5] = g; + p[stride + 6] = b; + p[stride + 7] = a; +} + +void Surface3DRenderer::idToRGBA(uint id, uchar *r, uchar *g, uchar *b, uchar *a) +{ + *r = id & ID_TO_RGBA_MASK; + *g = (id >> 8) & ID_TO_RGBA_MASK; + *b = (id >> 16) & ID_TO_RGBA_MASK; + *a = (id >> 24) & ID_TO_RGBA_MASK; +} + +void Surface3DRenderer::updateTextures() +{ + updateSurfaceGradient(m_cachedTheme.m_surfaceGradient); +} + +void Surface3DRenderer::calculateSceneScalingFactors() +{ + // Calculate scene scaling and translation factors + m_heightNormalizer = GLfloat(m_axisCacheY.max() - m_axisCacheY.min()); + m_areaSize.setHeight(m_axisCacheZ.max() - m_axisCacheZ.min()); + m_areaSize.setWidth(m_axisCacheX.max() - m_axisCacheX.min()); + m_scaleFactor = qMax(m_areaSize.width(), m_areaSize.height()); +#ifndef USE_UNIFORM_SCALING // Use this if we want to use autoscaling for x and z + m_scaleX = aspectRatio * m_areaSize.width() / m_scaleFactor; + m_scaleZ = aspectRatio * m_areaSize.height() / m_scaleFactor; + m_scaleXWithBackground = m_scaleX * backgroundMargin; + m_scaleZWithBackground = m_scaleZ * backgroundMargin; +#else // ..and this if we want uniform scaling based on largest dimension + m_scaleX = aspectRatio / m_scaleFactor; + m_scaleZ = aspectRatio / m_scaleFactor; + m_scaleXWithBackground = aspectRatio * backgroundMargin; + m_scaleZWithBackground = aspectRatio * backgroundMargin; +#endif +} + +bool Surface3DRenderer::updateSmoothStatus(bool enable) +{ + if (!enable && !m_flatSupported) { + qWarning() << "Warning: Flat qualifier not supported on your platform's GLSL language." + " Requires at least GLSL version 1.5."; + enable = true; + } + + bool changed = false; + if (enable != m_cachedSmoothSurface) { + m_cachedSmoothSurface = enable; + changed = true; + initSurfaceShaders(); + } + + // If no surface object created yet, don't try to update the object + if (m_surfaceObj && changed && m_sampleSpace.width() >= 2 && m_sampleSpace.height() >= 2) { + if (m_cachedSmoothSurface) { + m_surfaceObj->setUpSmoothData(m_dataArray, m_sampleSpace, m_heightNormalizer, + m_axisCacheY.min(), true); + } else { + m_surfaceObj->setUpData(m_dataArray, m_sampleSpace, m_heightNormalizer, + m_axisCacheY.min(), true); + } + } + + return m_cachedSmoothSurface; +} + +void Surface3DRenderer::updateSelectionMode(QDataVis::SelectionMode mode) +{ + if (mode != m_cachedSelectionMode) + m_selectionModeChanged = true; + + Abstract3DRenderer::updateSelectionMode(mode); +} + +void Surface3DRenderer::updateSurfaceGridStatus(bool enable) +{ + m_cachedSurfaceGridOn = enable; +} + +void Surface3DRenderer::loadBackgroundMesh() +{ + if (m_backgroundObj) + delete m_backgroundObj; + m_backgroundObj = new ObjectHelper(QStringLiteral(":/defaultMeshes/background")); + m_backgroundObj->load(); +} + +void Surface3DRenderer::loadSurfaceObj() +{ + if (m_surfaceObj) + delete m_surfaceObj; + m_surfaceObj = new SurfaceObject(); +} + +void Surface3DRenderer::loadSliceSurfaceObj() +{ + if (m_sliceSurfaceObj) + delete m_sliceSurfaceObj; + m_sliceSurfaceObj = new SurfaceObject(); +} + +void Surface3DRenderer::loadGridLineMesh() +{ + if (m_gridLineObj) + delete m_gridLineObj; + m_gridLineObj = new ObjectHelper(QStringLiteral(":/defaultMeshes/bar")); + m_gridLineObj->load(); +} + +void Surface3DRenderer::handleResize() +{ + if (m_cachedBoundingRect.width() == 0 || m_cachedBoundingRect.height() == 0) + return; + + // Set view port + if (m_cachedIsSlicingActivated) { + m_mainViewPort = QRect(0, + m_cachedBoundingRect.height() - m_cachedBoundingRect.height() / subViewDivider, + m_cachedBoundingRect.width() / subViewDivider, + m_cachedBoundingRect.height() / subViewDivider); + } else { + m_mainViewPort = QRect(0, 0, m_cachedBoundingRect.width(), m_cachedBoundingRect.height()); + } + m_sliceViewPort = QRect(0, 0, m_cachedBoundingRect.width(), m_cachedBoundingRect.height()); + + if (m_selectionPointer) { + if (m_cachedIsSlicingActivated) + m_selectionPointer->updateBoundingRect(m_sliceViewPort); + else + m_selectionPointer->updateBoundingRect(m_mainViewPort); + } + + Abstract3DRenderer::handleResize(); +} + +void Surface3DRenderer::surfacePointSelected(int id) +{ + int column = (id - 1) % m_sampleSpace.width(); + int row = (id - 1) / m_sampleSpace.width(); + + if (row < 0 || column < 0 || m_dataArray.size() < row || m_dataArray.at(row)->size() < column) + return; + + qreal value = qreal(m_dataArray.at(row)->at(column).y()); + + if (!m_selectionPointer) + m_selectionPointer = new SelectionPointer(m_drawer); + + QVector3D pos; + if (m_cachedSelectionMode == QDataVis::SelectionModeSliceRow) { + pos = m_sliceSurfaceObj->vertexAt(column, 0); + pos *= QVector3D(m_surfaceScaleX, 1.0f, 0.0f); + pos += QVector3D(m_surfaceOffsetX, 0.0f, 0.0f); + m_selectionPointer->updateBoundingRect(m_sliceViewPort); + m_selectionPointer->updateSliceData(true, m_autoScaleAdjustment); + } else if (m_cachedSelectionMode == QDataVis::SelectionModeSliceColumn) { + pos = m_sliceSurfaceObj->vertexAt(row, 0); + pos *= QVector3D(m_surfaceScaleZ, 1.0f, 0.0f); + pos += QVector3D(-m_surfaceOffsetZ, 0.0f, 0.0f); + m_selectionPointer->updateBoundingRect(m_sliceViewPort); + m_selectionPointer->updateSliceData(true, m_autoScaleAdjustment); + } else { + pos = m_surfaceObj->vertexAt(column, row); + pos *= QVector3D(m_surfaceScaleX, 1.0f, m_surfaceScaleZ);; + pos += QVector3D(m_surfaceOffsetX, 0.0f, m_surfaceOffsetZ); + m_selectionPointer->updateBoundingRect(m_mainViewPort); + m_selectionPointer->updateSliceData(false, m_autoScaleAdjustment); + } + + m_selectionPointer->setPosition(pos); + m_selectionPointer->setLabel(createSelectionLabel(value, column, row)); + m_selectionPointer->updateScene(m_cachedScene); + + //Put the selection pointer flag active + m_selectionActive = true; +} + +QString Surface3DRenderer::createSelectionLabel(qreal value, int column, int row) +{ + QString labelText = itemLabelFormat(); + static const QString xTitleTag(QStringLiteral("@xTitle")); + static const QString yTitleTag(QStringLiteral("@yTitle")); + static const QString zTitleTag(QStringLiteral("@zTitle")); + static const QString xLabelTag(QStringLiteral("@xLabel")); + static const QString yLabelTag(QStringLiteral("@yLabel")); + static const QString zLabelTag(QStringLiteral("@zLabel")); + + labelText.replace(xTitleTag, m_axisCacheX.title()); + labelText.replace(yTitleTag, m_axisCacheY.title()); + labelText.replace(zTitleTag, m_axisCacheZ.title()); + + if (labelText.contains(xLabelTag)) { + QString labelFormat = m_axisCacheX.labelFormat(); + if (labelFormat.isEmpty()) + labelFormat = Utils::defaultLabelFormat(); + QString valueLabelText = generateValueLabel(labelFormat, + m_dataArray.at(row)->at(column).x()); + labelText.replace(xLabelTag, valueLabelText); + } + if (labelText.contains(yLabelTag)) { + QString labelFormat = m_axisCacheY.labelFormat(); + if (labelFormat.isEmpty()) + labelFormat = Utils::defaultLabelFormat(); + QString valueLabelText = generateValueLabel(labelFormat, value); + labelText.replace(yLabelTag, valueLabelText); + } + if (labelText.contains(zLabelTag)) { + QString labelFormat = m_axisCacheZ.labelFormat(); + if (labelFormat.isEmpty()) + labelFormat = Utils::defaultLabelFormat(); + QString valueLabelText = generateValueLabel(labelFormat, + m_dataArray.at(row)->at(column).z()); + labelText.replace(zLabelTag, valueLabelText); + } + + return labelText; +} + +void Surface3DRenderer::loadMeshFile() +{ + qDebug() << __FUNCTION__ << "should we do something"; +} + +void Surface3DRenderer::updateShadowQuality(QDataVis::ShadowQuality quality) +{ + qWarning() << "Shadows have been disabled for Q3DSurface in technology preview"; + m_cachedShadowQuality = QDataVis::ShadowQualityNone; //quality; + switch (quality) { + case QDataVis::ShadowQualityLow: + m_shadowQualityToShader = 33.3f; + m_shadowQualityMultiplier = 1; + break; + case QDataVis::ShadowQualityMedium: + m_shadowQualityToShader = 100.0f; + m_shadowQualityMultiplier = 3; + break; + case QDataVis::ShadowQualityHigh: + m_shadowQualityToShader = 200.0f; + m_shadowQualityMultiplier = 5; + break; + case QDataVis::ShadowQualitySoftLow: + m_shadowQualityToShader = 5.0f; + m_shadowQualityMultiplier = 1; + break; + case QDataVis::ShadowQualitySoftMedium: + m_shadowQualityToShader = 10.0f; + m_shadowQualityMultiplier = 3; + break; + case QDataVis::ShadowQualitySoftHigh: + m_shadowQualityToShader = 15.0f; + m_shadowQualityMultiplier = 4; + break; + default: + m_shadowQualityToShader = 0.0f; + m_shadowQualityMultiplier = 1; + break; + } + +#if !defined(QT_OPENGL_ES_2) + updateDepthBuffer(); +#endif +} + +void Surface3DRenderer::updateSlicingActive(bool isSlicing) +{ + if (isSlicing == m_cachedIsSlicingActivated) + return; + + m_cachedIsSlicingActivated = isSlicing; + if (isSlicing) { + m_mainViewPort = QRect(0, m_cachedBoundingRect.height() - m_cachedBoundingRect.height() / subViewDivider, + m_cachedBoundingRect.width() / subViewDivider, m_cachedBoundingRect.height() / subViewDivider); + if (m_depthTexture) { + m_textureHelper->deleteTexture(&m_depthTexture); + m_depthTexture = 0; + } + } else { + m_mainViewPort = QRect(0, 0, this->m_cachedBoundingRect.width(), + this->m_cachedBoundingRect.height()); + initSelectionBuffer(); // We need to re-init selection buffer in case there has been a resize +#if !defined(QT_OPENGL_ES_2) + updateDepthBuffer(); // Re-init depth buffer as well +#endif + } +} + +void Surface3DRenderer::loadLabelMesh() +{ + if (m_labelObj) + delete m_labelObj; + m_labelObj = new ObjectHelper(QStringLiteral(":/defaultMeshes/label")); + m_labelObj->load(); +} + +void Surface3DRenderer::initShaders(const QString &vertexShader, const QString &fragmentShader) +{ + if (m_shader) + delete m_shader; + m_shader = new ShaderHelper(this, vertexShader, fragmentShader); + m_shader->initialize(); +} + +void Surface3DRenderer::initBackgroundShaders(const QString &vertexShader, + const QString &fragmentShader) +{ + if (m_backgroundShader) + delete m_backgroundShader; + m_backgroundShader = new ShaderHelper(this, vertexShader, fragmentShader); + m_backgroundShader->initialize(); +} + +void Surface3DRenderer::initSelectionShaders() +{ + if (m_selectionShader) + delete m_selectionShader; + m_selectionShader = new ShaderHelper(this, QStringLiteral(":/shaders/vertexLabel"), + QStringLiteral(":/shaders/fragmentLabel")); + m_selectionShader->initialize(); +} + +void Surface3DRenderer::initSurfaceShaders() +{ + if (m_surfaceShader) + delete m_surfaceShader; + +#if !defined(QT_OPENGL_ES_2) + if (m_cachedSmoothSurface) { + m_surfaceShader = new ShaderHelper(this, QStringLiteral(":/shaders/vertexSurface"), + QStringLiteral(":/shaders/fragmentSurface")); + } else { + m_surfaceShader = new ShaderHelper(this, QStringLiteral(":/shaders/vertexSurfaceFlat"), + QStringLiteral(":/shaders/fragmentSurfaceFlat")); + } +#else + m_surfaceShader = new ShaderHelper(this, QStringLiteral(":/shaders/vertexSurface"), + QStringLiteral(":/shaders/fragmentSurfaceES2")); +#endif + m_surfaceShader->initialize(); + + if (m_surfaceGridShader) + delete m_surfaceGridShader; + + m_surfaceGridShader = new ShaderHelper(this, QStringLiteral(":/shaders/vertexSurfaceGrid"), + QStringLiteral(":/shaders/fragmentSurfaceGrid")); + + m_surfaceGridShader->initialize(); +} + +void Surface3DRenderer::initLabelShaders(const QString &vertexShader, const QString &fragmentShader) +{ + if (m_labelShader) + delete m_labelShader; + m_labelShader = new ShaderHelper(this, vertexShader, fragmentShader); + m_labelShader->initialize(); +} + +#if !defined(QT_OPENGL_ES_2) +void Surface3DRenderer::initDepthShader() +{ + // TODO: Implement a depth shader for surface after technology preview + if (m_depthShader) + delete m_depthShader; + m_depthShader = new ShaderHelper(this, QStringLiteral(":/shaders/vertexDepth"), + QStringLiteral(":/shaders/fragmentDepth")); + m_depthShader->initialize(); +} + +void Surface3DRenderer::updateDepthBuffer() +{ + if (m_depthTexture) { + m_textureHelper->deleteTexture(&m_depthTexture); + m_depthTexture = 0; + } + + if (m_cachedShadowQuality > QDataVis::ShadowQualityNone) { + m_depthTexture = m_textureHelper->createDepthTexture(m_mainViewPort.size(), + m_depthFrameBuffer, + m_shadowQualityMultiplier); + if (!m_depthTexture) { + switch (m_cachedShadowQuality) { + case QDataVis::ShadowQualityHigh: + qWarning("Creating high quality shadows failed. Changing to medium quality."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualityMedium); + updateShadowQuality(QDataVis::ShadowQualityMedium); + break; + case QDataVis::ShadowQualityMedium: + qWarning("Creating medium quality shadows failed. Changing to low quality."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualityLow); + updateShadowQuality(QDataVis::ShadowQualityLow); + break; + case QDataVis::ShadowQualityLow: + qWarning("Creating low quality shadows failed. Switching shadows off."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualityNone); + updateShadowQuality(QDataVis::ShadowQualityNone); + break; + case QDataVis::ShadowQualitySoftHigh: + qWarning("Creating soft high quality shadows failed. Changing to soft medium quality."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualitySoftMedium); + updateShadowQuality(QDataVis::ShadowQualitySoftMedium); + break; + case QDataVis::ShadowQualitySoftMedium: + qWarning("Creating soft medium quality shadows failed. Changing to soft low quality."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualitySoftLow); + updateShadowQuality(QDataVis::ShadowQualitySoftLow); + break; + case QDataVis::ShadowQualitySoftLow: + qWarning("Creating soft low quality shadows failed. Switching shadows off."); + (void)m_controller->setShadowQuality(QDataVis::ShadowQualityNone); + updateShadowQuality(QDataVis::ShadowQualityNone); + break; + default: + // You'll never get here + break; + } + } + } +} +#endif + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/surface3drenderer_p.h b/src/datavisualization/engine/surface3drenderer_p.h new file mode 100644 index 00000000..e42e820a --- /dev/null +++ b/src/datavisualization/engine/surface3drenderer_p.h @@ -0,0 +1,185 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef SURFACE3DRENDERER_P_H +#define SURFACE3DRENDERER_P_H + +#include <QtCore/QSize> +#include <QtCore/QObject> +#include <QtGui/QOpenGLFunctions> +#include <QtGui/QFont> +#include <QLinearGradient> +#include <QWindow> + +#include "datavisualizationglobal_p.h" +#include "surface3dcontroller_p.h" +#include "abstract3drenderer_p.h" +#include "scatterrenderitem_p.h" +#include "qsurfacedataproxy.h" + +class QOpenGLShaderProgram; + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class ShaderHelper; +class ObjectHelper; +class SurfaceObject; +class TextureHelper; +class Theme; +class Drawer; +class Q3DScene; +class SelectionPointer; + +class QT_DATAVISUALIZATION_EXPORT Surface3DRenderer : public Abstract3DRenderer +{ + Q_OBJECT + +public: + Surface3DController *m_controller; + + // Visual parameters + QRect m_boundingRect; + QDataVis::LabelStyle m_labelStyle; + QFont m_font; + bool m_isGridEnabled; + +private: + bool m_cachedIsSlicingActivated; + + // Internal attributes purely related to how the scene is drawn with GL. + QRect m_mainViewPort; + QRect m_sliceViewPort; + ShaderHelper *m_shader; + ShaderHelper *m_depthShader; + ShaderHelper *m_backgroundShader; + ShaderHelper *m_surfaceShader; + ShaderHelper *m_surfaceGridShader; + ShaderHelper *m_selectionShader; + ShaderHelper *m_labelShader; + GLfloat m_heightNormalizer; + GLfloat m_scaleFactor; + GLfloat m_scaleX; + GLfloat m_scaleZ; + GLfloat m_scaleXWithBackground; + GLfloat m_scaleZWithBackground; + GLfloat m_surfaceScaleX; + GLfloat m_surfaceScaleZ; + GLfloat m_surfaceOffsetX; + GLfloat m_surfaceOffsetZ; + GLfloat m_minVisibleColumnValue; + GLfloat m_maxVisibleColumnValue; + GLfloat m_minVisibleRowValue; + GLfloat m_maxVisibleRowValue; + GLfloat m_visibleColumnRange; + GLfloat m_visibleRowRange; + ObjectHelper *m_backgroundObj; + ObjectHelper *m_gridLineObj; + ObjectHelper *m_labelObj; + SurfaceObject *m_surfaceObj; + SurfaceObject *m_sliceSurfaceObj; + GLuint m_depthTexture; + GLuint m_depthFrameBuffer; + GLuint m_selectionFrameBuffer; + GLuint m_selectionDepthBuffer; + GLuint m_gradientTexture; + GLuint m_selectionTexture; + GLuint m_selectionResultTexture; + GLfloat m_shadowQualityToShader; + bool m_cachedSmoothSurface; + bool m_flatSupported; + bool m_cachedSurfaceGridOn; + SelectionPointer *m_selectionPointer; + bool m_selectionActive; + bool m_xFlipped; + bool m_zFlipped; + bool m_yFlipped; + AbstractRenderItem m_dummyRenderItem; + QSurfaceDataArray m_dataArray; + QSurfaceDataArray m_sliceDataArray; + QRect m_sampleSpace; + GLint m_shadowQualityMultiplier; + QSizeF m_areaSize; + uint m_cachedSelectionId; + bool m_selectionModeChanged; + bool m_hasHeightAdjustmentChanged; + +public: + explicit Surface3DRenderer(Surface3DController *controller); + ~Surface3DRenderer(); + + void updateDataModel(QSurfaceDataProxy *dataProxy); + void updateScene(Q3DScene *scene); + void drawSlicedScene(); + void render(GLuint defaultFboHandle = 0); + +protected: + void initializeOpenGL(); + virtual void loadMeshFile(); + +public slots: + bool updateSmoothStatus(bool enable); + void updateSurfaceGridStatus(bool enable); + void updateSurfaceGradient(const QLinearGradient &gradient); + void updateSlicingActive(bool isSlicing); + void updateSelectionMode(QDataVis::SelectionMode mode); + +private: + void updateSliceDataModel(int selectionId); + virtual void updateShadowQuality(QDataVis::ShadowQuality quality); + virtual void updateTextures(); + virtual void initShaders(const QString &vertexShader, const QString &fragmentShader); + QRect calculateSampleRect(const QSurfaceDataArray &array); + void loadBackgroundMesh(); + void loadGridLineMesh(); + void loadLabelMesh(); + void loadSurfaceObj(); + void loadSliceSurfaceObj(); + void drawScene(GLuint defaultFboHandle); + void handleResize(); + void calculateSceneScalingFactors(); + void initBackgroundShaders(const QString &vertexShader, const QString &fragmentShader); + void initLabelShaders(const QString &vertexShader, const QString &fragmentShader); + void initSelectionShaders(); + void initSurfaceShaders(); + void initSelectionBuffer(); + void initDepthShader(); + void updateSelectionTexture(); + void idToRGBA(uint id, uchar *r, uchar *g, uchar *b, uchar *a); + void fillIdCorner(uchar *p, uchar r, uchar g, uchar b, uchar a, int stride); + void surfacePointSelected(int id); + QString createSelectionLabel(qreal value, int column, int row); +#if !defined(QT_OPENGL_ES_2) + void updateDepthBuffer(); +#endif + + Q_DISABLE_COPY(Surface3DRenderer) +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // SURFACE3DRENDERER_P_H diff --git a/src/datavisualization/engine/theme.cpp b/src/datavisualization/engine/theme.cpp new file mode 100644 index 00000000..d9f2974a --- /dev/null +++ b/src/datavisualization/engine/theme.cpp @@ -0,0 +1,250 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "theme_p.h" + +#ifdef Q_OS_WIN +#include <windows.h> +#include <stdio.h> +#endif + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +Theme::Theme() + : m_baseColor(QColor(Qt::gray)), + m_heightColor(QColor(Qt::black)), + m_depthColor(QColor(Qt::black)), + m_backgroundColor(QColor(Qt::gray)), + m_windowColor(QColor(Qt::gray)), + m_textColor(QColor(Qt::white)), + m_textBackgroundColor(QColor(0x00, 0x00, 0x00, 0xa0)), + m_gridLine(QColor(Qt::black)), + m_highlightBarColor(QColor(Qt::red)), + m_highlightRowColor(QColor(Qt::darkRed)), + m_highlightColumnColor(QColor(Qt::darkMagenta)), + m_surfaceGradient(QLinearGradient(1, 1000, 0, 0)), + m_lightStrength(4.0f), + m_ambientStrength(0.3f), + m_highlightLightStrength(8.0f), + m_uniformColor(true), + m_labelBorders(false) +{ + // Default values for surface gradient +} + +Theme::~Theme() +{ +} + +QDataVis::Theme Theme::theme() +{ + return m_theme; +} + +void Theme::useTheme(QDataVis::Theme theme) +{ + m_theme = theme; + switch (theme) { + case QDataVis::ThemeQt: { + m_baseColor = QColor(QRgb(0x80c342)); + //m_heightColor = QColor(QRgb(0x)); + //m_depthColor = QColor(QRgb(0x)); + m_backgroundColor = QColor(QRgb(0xffffff)); + m_windowColor = QColor(QRgb(0xffffff)); + m_textColor = QColor(QRgb(0x35322f)); + m_textBackgroundColor = QColor(0xff, 0xff, 0xff, 0x99); + m_gridLine = QColor(QRgb(0xd7d6d5)); + m_highlightBarColor = QColor(QRgb(0x14aaff)); + m_highlightRowColor = QColor(QRgb(0x6400aa)); + m_highlightColumnColor = QColor(QRgb(0x6400aa)); + m_lightStrength = 5.0f; + m_ambientStrength = 0.5f; + m_highlightLightStrength = 5.0f; + m_uniformColor = true; + m_labelBorders = true; + break; + } + case QDataVis::ThemePrimaryColors: { + m_baseColor = QColor(QRgb(0xffe400)); + //m_heightColor = QColor(QRgb(0x)); + //m_depthColor = QColor(QRgb(0x)); + m_backgroundColor = QColor(QRgb(0xffffff)); + m_windowColor = QColor(QRgb(0xffffff)); + m_textColor = QColor(QRgb(0x000000)); + m_textBackgroundColor = QColor(0xff, 0xff, 0xff, 0x99); + m_gridLine = QColor(QRgb(0xd7d6d5)); + m_highlightBarColor = QColor(QRgb(0x27beee)); + m_highlightRowColor = QColor(QRgb(0xee1414)); + m_highlightColumnColor = QColor(QRgb(0xee1414)); + m_lightStrength = 5.0f; + m_ambientStrength = 0.5f; + m_highlightLightStrength = 5.0f; + m_uniformColor = true; + m_labelBorders = false; + break; + } + case QDataVis::ThemeDigia: { + m_baseColor = QColor(QRgb(0xcccccc)); + //m_heightColor = QColor(QRgb(0x)); + //m_depthColor = QColor(QRgb(0x)); + m_backgroundColor = QColor(QRgb(0xffffff)); + m_windowColor = QColor(QRgb(0xffffff)); + m_textColor = QColor(QRgb(0x000000)); + m_textBackgroundColor = QColor(0xff, 0xff, 0xff, 0x80); + m_gridLine = QColor(QRgb(0xd7d6d5)); + m_highlightBarColor = QColor(QRgb(0xfa0000)); + m_highlightRowColor = QColor(QRgb(0x555555)); + m_highlightColumnColor = QColor(QRgb(0x555555)); + m_lightStrength = 5.0f; + m_ambientStrength = 0.5f; + m_highlightLightStrength = 5.0f; + m_uniformColor = false; + m_labelBorders = false; + break; + } + case QDataVis::ThemeStoneMoss: { + m_baseColor = QColor(QRgb(0xbeb32b)); + //m_heightColor = QColor(QRgb(0x)); + //m_depthColor = QColor(QRgb(0x)); + m_backgroundColor = QColor(QRgb(0x4d4d4f)); + m_windowColor = QColor(QRgb(0x4d4d4f)); + m_textColor = QColor(QRgb(0xffffff)); + m_textBackgroundColor = QColor(0x4d, 0x4d, 0x4f, 0xcd); + m_gridLine = QColor(QRgb(0x3e3e40)); + m_highlightBarColor = QColor(QRgb(0xfbf6d6)); + m_highlightRowColor = QColor(QRgb(0x442f20)); + m_highlightColumnColor = QColor(QRgb(0x442f20)); + m_lightStrength = 5.0f; + m_ambientStrength = 0.5f; + m_highlightLightStrength = 5.0f; + m_uniformColor = true; + m_labelBorders = true; + break; + } + case QDataVis::ThemeArmyBlue: { + m_baseColor = QColor(QRgb(0x495f76)); + //m_heightColor = QColor(QRgb(0x)); + //m_depthColor = QColor(QRgb(0x)); + m_backgroundColor = QColor(QRgb(0xd5d6d7)); + m_windowColor = QColor(QRgb(0xd5d6d7)); + m_textColor = QColor(QRgb(0x000000)); + m_textBackgroundColor = QColor(0xd5, 0xd6, 0xd7, 0xcd); + m_gridLine = QColor(QRgb(0xaeadac)); + m_highlightBarColor = QColor(QRgb(0x2aa2f9)); + m_highlightRowColor = QColor(QRgb(0x103753)); + m_highlightColumnColor = QColor(QRgb(0x103753)); + m_lightStrength = 5.0f; + m_ambientStrength = 0.5f; + m_highlightLightStrength = 5.0f; + m_uniformColor = false; + m_labelBorders = false; + break; + } + case QDataVis::ThemeRetro: { + m_baseColor = QColor(QRgb(0x533b23)); + //m_heightColor = QColor(QRgb(0x)); + //m_depthColor = QColor(QRgb(0x)); + m_backgroundColor = QColor(QRgb(0xe9e2ce)); + m_windowColor = QColor(QRgb(0xe9e2ce)); + m_textColor = QColor(QRgb(0x000000)); + m_textBackgroundColor = QColor(0xe9, 0xe2, 0xce, 0xc0); + m_gridLine = QColor(QRgb(0xd0c0b0)); + m_highlightBarColor = QColor(QRgb(0x8ea317)); + m_highlightRowColor = QColor(QRgb(0xc25708)); + m_highlightColumnColor = QColor(QRgb(0xc25708)); + m_lightStrength = 5.0f; + m_ambientStrength = 0.5f; + m_highlightLightStrength = 5.0f; + m_uniformColor = false; + m_labelBorders = false; + break; + } + case QDataVis::ThemeEbony: { + m_baseColor = QColor(QRgb(0xffffff)); + //m_heightColor = QColor(QRgb(0x)); + //m_depthColor = QColor(QRgb(0x)); + m_backgroundColor = QColor(QRgb(0x000000)); + m_windowColor = QColor(QRgb(0x000000)); + m_textColor = QColor(QRgb(0xaeadac)); + m_textBackgroundColor = QColor(0x00, 0x00, 0x00, 0xcd); + m_gridLine = QColor(QRgb(0x35322f)); + m_highlightBarColor = QColor(QRgb(0xf5dc0d)); + m_highlightRowColor = QColor(QRgb(0xd72222)); + m_highlightColumnColor = QColor(QRgb(0xd72222)); + m_lightStrength = 5.0f; + m_ambientStrength = 0.5f; + m_highlightLightStrength = 5.0f; + m_uniformColor = true; + m_labelBorders = false; + break; + } + case QDataVis::ThemeIsabelle: { + m_baseColor = QColor(QRgb(0xf9d900)); + //m_heightColor = QColor(QRgb(0x)); + //m_depthColor = QColor(QRgb(0x)); + m_backgroundColor = QColor(QRgb(0x000000)); + m_windowColor = QColor(QRgb(0x000000)); + m_textColor = QColor(QRgb(0xaeadac)); + m_textBackgroundColor = QColor(0x00, 0x00, 0x00, 0xc0); + m_gridLine = QColor(QRgb(0x35322f)); + m_highlightBarColor = QColor(QRgb(0xfff7cc)); + m_highlightRowColor = QColor(QRgb(0xde0a0a)); + m_highlightColumnColor = QColor(QRgb(0xde0a0a)); + m_lightStrength = 5.0f; + m_ambientStrength = 0.5f; + m_highlightLightStrength = 5.0f; + m_uniformColor = true; + m_labelBorders = false; + break; + } + default: + break; + } + if (m_uniformColor) { + m_surfaceGradient.setColorAt(0.0, m_baseColor); + } else { + m_surfaceGradient.setColorAt(0.0, QColor(m_baseColor.redF() * 0.7, + m_baseColor.greenF() * 0.7, + m_baseColor.blueF() * 0.7)); + } + m_surfaceGradient.setColorAt(1.0, m_baseColor); +} + +void Theme::setFromTheme(Theme &theme) +{ + m_theme = theme.m_theme; + m_baseColor = theme.m_baseColor; + m_heightColor = theme.m_heightColor; + m_depthColor = theme.m_depthColor; + m_backgroundColor = theme.m_backgroundColor; + m_windowColor = theme.m_windowColor; + m_textColor = theme.m_textColor; + m_textBackgroundColor = theme.m_textBackgroundColor; + m_gridLine = theme.m_gridLine; + m_highlightBarColor = theme.m_highlightBarColor; + m_highlightRowColor = theme.m_highlightRowColor; + m_highlightColumnColor = theme.m_highlightColumnColor; + m_surfaceGradient = theme.m_surfaceGradient; + m_lightStrength = theme.m_lightStrength; + m_ambientStrength = theme.m_ambientStrength; + m_highlightLightStrength = theme.m_highlightLightStrength; + m_uniformColor = theme.m_uniformColor; + m_labelBorders = theme.m_labelBorders; +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/engine/theme_p.h b/src/datavisualization/engine/theme_p.h new file mode 100644 index 00000000..ec689f63 --- /dev/null +++ b/src/datavisualization/engine/theme_p.h @@ -0,0 +1,82 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef THEME_P_H +#define THEME_P_H + +#include "datavisualizationglobal_p.h" +#include "q3dbars.h" +#include <QLinearGradient> + +class QColor; + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QT_DATAVISUALIZATION_EXPORT Theme +{ +public: + explicit Theme(); + ~Theme(); + + void useTheme(QDataVis::Theme theme); + QDataVis::Theme theme(); + void setFromTheme(Theme &theme); + +private: + friend class Abstract3DController; + friend class Abstract3DRenderer; + friend class Bars3DRenderer; + friend class Surface3DRenderer; + friend class Surface3DController; + friend class Scatter3DRenderer; + friend class SelectionPointer; + friend class Drawer; + + QDataVis::Theme m_theme; + QColor m_baseColor; + QColor m_heightColor; + QColor m_depthColor; + QColor m_backgroundColor; + QColor m_windowColor; + QColor m_textColor; + QColor m_textBackgroundColor; + QColor m_gridLine; + QColor m_highlightBarColor; + QColor m_highlightRowColor; + QColor m_highlightColumnColor; + QLinearGradient m_surfaceGradient; + float m_lightStrength; + float m_ambientStrength; + float m_highlightLightStrength; + bool m_uniformColor; + bool m_labelBorders; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/global/datavisualizationglobal_p.h b/src/datavisualization/global/datavisualizationglobal_p.h new file mode 100644 index 00000000..4da1023c --- /dev/null +++ b/src/datavisualization/global/datavisualizationglobal_p.h @@ -0,0 +1,54 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef DATAVISUALIZATIONGLOBAL_P_H +#define DATAVISUALIZATIONGLOBAL_P_H + +#include "qdatavisualizationglobal.h" +#include "qdatavisualizationenums.h" +#include <QOpenGLFunctions> +#include <QVector3D> +#include <QDebug> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +// Constants used in several files +// Compensation for z position; move all objects to positive z, as shader can't handle negative values correctly +const GLfloat zComp = 10.0f; +// Distance from camera to origin +const GLfloat cameraDistance = 6.0f; +// Size of font to be used in label texture rendering. Doesn't affect the actual font size. +const int textureFontSize = 50; +// Default light position. To have shadows working correctly, light should be as far as camera, or a bit further +// y position is added to the minimum height (or can be thought to be that much above or below the camera) +const QVector3D defaultLightPos = QVector3D(0.0f, 0.5f, zComp); +const GLfloat defaultRatio = 1.0f / 1.6f; // default aspect ratio 16:10 + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // DATAVISUALIZATIONGLOBAL_P_H diff --git a/src/datavisualization/global/global.pri b/src/datavisualization/global/global.pri new file mode 100644 index 00000000..0fd7c576 --- /dev/null +++ b/src/datavisualization/global/global.pri @@ -0,0 +1,4 @@ +HEADERS += \ + $$PWD/qdatavisualizationglobal.h \ + $$PWD/qdatavisualizationenums.h \ + $$PWD/datavisualizationglobal_p.h diff --git a/src/datavisualization/global/qdatavisualizationenums.h b/src/datavisualization/global/qdatavisualizationenums.h new file mode 100644 index 00000000..3d765ff2 --- /dev/null +++ b/src/datavisualization/global/qdatavisualizationenums.h @@ -0,0 +1,126 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QDATAVISUALIZATIONENUMS_H +#define QDATAVISUALIZATIONENUMS_H + +#include <QtDataVisualization/qdatavisualizationglobal.h> +#include <QObject> + +// namespace must be declared without using macros for qdoc +namespace QtDataVisualization { + +class QT_DATAVISUALIZATION_EXPORT QDataVis : public QObject +{ + Q_OBJECT + Q_ENUMS(MeshStyle) + Q_ENUMS(CameraPreset) + Q_ENUMS(Theme) + Q_ENUMS(SelectionMode) + Q_ENUMS(ShadowQuality) + Q_ENUMS(LabelStyle) + +public: + enum InputState { + InputStateNone = 0, + InputStateOnScene, + InputStateOnOverview, + InputStateOnSlice, + InputStateRotating, + InputStateOnPinch + }; + + enum MeshStyle { + MeshStyleBars = 0, + MeshStylePyramids, + MeshStyleCones, + MeshStyleCylinders, + MeshStyleBevelBars, + MeshStyleSpheres, + MeshStyleDots + }; + + enum CameraPreset { + CameraPresetNone = -1, + CameraPresetFrontLow = 0, + CameraPresetFront, + CameraPresetFrontHigh, + CameraPresetLeftLow, + CameraPresetLeft, + CameraPresetLeftHigh, + CameraPresetRightLow, + CameraPresetRight, + CameraPresetRightHigh, + CameraPresetBehindLow, + CameraPresetBehind, + CameraPresetBehindHigh, + CameraPresetIsometricLeft, + CameraPresetIsometricLeftHigh, + CameraPresetIsometricRight, + CameraPresetIsometricRightHigh, + CameraPresetDirectlyAbove, + CameraPresetDirectlyAboveCW45, + CameraPresetDirectlyAboveCCW45, + CameraPresetFrontBelow, + CameraPresetLeftBelow, + CameraPresetRightBelow, + CameraPresetBehindBelow, + CameraPresetDirectlyBelow + }; + + enum Theme { + ThemeDefault = -1, + ThemeQt, + ThemePrimaryColors, + ThemeDigia, + ThemeStoneMoss, + ThemeArmyBlue, + ThemeRetro, + ThemeEbony, + ThemeIsabelle + }; + + enum SelectionMode { + SelectionModeNone = 0, + SelectionModeItem, + SelectionModeItemAndRow, + SelectionModeItemAndColumn, + SelectionModeItemRowAndColumn, + SelectionModeSliceRow, + SelectionModeSliceColumn + }; + + enum ShadowQuality { + ShadowQualityNone = 0, + ShadowQualityLow, + ShadowQualityMedium, + ShadowQualityHigh, + ShadowQualitySoftLow, + ShadowQualitySoftMedium, + ShadowQualitySoftHigh + }; + + enum LabelStyle { + LabelStyleOpaque = 0, + LabelStyleFromTheme, + LabelStyleTransparent + }; +}; +} + +#endif diff --git a/src/datavisualization/global/qdatavisualizationglobal.h b/src/datavisualization/global/qdatavisualizationglobal.h new file mode 100644 index 00000000..ac734960 --- /dev/null +++ b/src/datavisualization/global/qdatavisualizationglobal.h @@ -0,0 +1,67 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QDATAVISUALIZATIONGLOBAL_H +#define QDATAVISUALIZATIONGLOBAL_H + +#include <qglobal.h> + +#define QT_DATAVISUALIZATION_VERSION_STR "0.0.1" +/* + QT_DATAVISUALIZATION_VERSION is (major << 16) + (minor << 8) + patch. +*/ +#define QT_DATAVISUALIZATION_VERSION 0x000001 +/* + can be used like #if (QT_DATAVISUALIZATION_VERSION >= QT_DATAVISUALIZATION_VERSION_CHECK(1, 1, 0)) +*/ +#define QT_DATAVISUALIZATION_VERSION_CHECK(major, minor, patch) ((major<<16)|(minor<<8)|(patch)) + +#if defined(QT_DATAVISUALIZATION_LIBRARY) +# define QT_DATAVISUALIZATION_EXPORT Q_DECL_EXPORT +#else +# define QT_DATAVISUALIZATION_EXPORT Q_DECL_IMPORT +#endif + +#if defined(BUILD_PRIVATE_UNIT_TESTS) && defined(QT_DATAVISUALIZATION_LIBRARY) +# define QT_DATAVISUALIZATION_AUTOTEST_EXPORT Q_DECL_EXPORT +#elif defined(BUILD_PRIVATE_UNIT_TESTS) && !defined(QT_DATAVISUALIZATION_LIBRARY) +# define QT_DATAVISUALIZATION_AUTOTEST_EXPORT Q_DECL_IMPORT +#else +# define QT_DATAVISUALIZATION_AUTOTEST_EXPORT +#endif + +#ifdef QT_DATAVISUALIZATION_STATICLIB +# undef QT_DATAVISUALIZATION_EXPORT +# undef QT_DATAVISUALIZATION_AUTOTEST_EXPORT +# define QT_DATAVISUALIZATION_EXPORT +# define QT_DATAVISUALIZATION_AUTOTEST_EXPORT +#endif + +#define QT_DATAVISUALIZATION_NAMESPACE QtDataVisualization + +#ifdef QT_DATAVISUALIZATION_NAMESPACE +# define QT_DATAVISUALIZATION_BEGIN_NAMESPACE namespace QT_DATAVISUALIZATION_NAMESPACE { +# define QT_DATAVISUALIZATION_END_NAMESPACE } +# define QT_DATAVISUALIZATION_USE_NAMESPACE using namespace QT_DATAVISUALIZATION_NAMESPACE; +#else +# define QT_DATAVISUALIZATION_BEGIN_NAMESPACE +# define QT_DATAVISUALIZATION_END_NAMESPACE +# define QT_DATAVISUALIZATION_USE_NAMESPACE +#endif + +#endif // QVIS3DGLOBAL_H diff --git a/src/datavisualization/global/qtdatavisualizationenums.qdoc b/src/datavisualization/global/qtdatavisualizationenums.qdoc new file mode 100644 index 00000000..fde6a258 --- /dev/null +++ b/src/datavisualization/global/qtdatavisualizationenums.qdoc @@ -0,0 +1,176 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +/*! + \namespace QtDataVisualization + \inmodule QtDataVisualization + \target QtDataVisualization Enums +*/ + +/*! + \enum QtDataVisualization::QDataVis::InputState + + Predefined input states for mouse and touch based input handlers. All states are not valid with all input handlers. + + \value InputStateNone + Default "no input received" state. + \value InputStateOnScene + Mouse or touch input received on the 3D scene. + \value InputStateOnOverview + Mouse or touch input received on the overview area. + \value InputStateOnSlice + Mouse or touch input received on the slice view area. + \value InputStateRotating + Rotation of the 3D geometry ongoing. + \value InputStateOnPinch + Pinch/punch multitouch input received. +*/ + +/*! + \enum QtDataVisualization::QDataVis::MeshStyle + + Predefined mesh types. All styles are not usable with all visualization types. + + \value MeshStyleBars + Basic cubic bar. + \value MeshStylePyramids + Four-sided pyramid. + \value MeshStyleCones + Basic cone. + \value MeshStyleCylinders + Basic cylinder. + \value MeshStyleBevelBars + Slightly beveled (rounded) cubic bar. + \value MeshStyleSpheres + Sphere. Not usable in Q3DBars. + \value MeshStyleDots + Triangular pyramid. Usable only with Q3DScatter. +*/ + +/*! + \enum QtDataVisualization::QDataVis::CameraPreset + + Predefined positions for camera. + + \value CameraPresetNone + Used to indicate a preset has not been set, or the scene has been rotated freely. + \value CameraPresetFrontLow + \value CameraPresetFront + \value CameraPresetFrontHigh + \value CameraPresetLeftLow + \value CameraPresetLeft + \value CameraPresetLeftHigh + \value CameraPresetRightLow + \value CameraPresetRight + \value CameraPresetRightHigh + \value CameraPresetBehindLow + \value CameraPresetBehind + \value CameraPresetBehindHigh + \value CameraPresetIsometricLeft + \value CameraPresetIsometricLeftHigh + \value CameraPresetIsometricRight + \value CameraPresetIsometricRightHigh + \value CameraPresetDirectlyAbove + \value CameraPresetDirectlyAboveCW45 + \value CameraPresetDirectlyAboveCCW45 + \value CameraPresetFrontBelow + In Q3DBars from CameraPresetFrontBelow onward these only work for graphs including negative + values. They act as Preset...Low for positive-only values. + \value CameraPresetLeftBelow + \value CameraPresetRightBelow + \value CameraPresetBehindBelow + \value CameraPresetDirectlyBelow + Acts as CameraPresetFrontLow for positive -only bars. +*/ + +/*! + \enum QtDataVisualization::QDataVis::Theme + + Predefined themes. + + \value ThemeDefault + Used only in QML to indicate a theme has not been set. + \value ThemeQt + \value ThemePrimaryColors + \value ThemeDigia + \value ThemeStoneMoss + \value ThemeArmyBlue + \value ThemeRetro + \value ThemeEbony + \value ThemeIsabelle +*/ + +/*! + \enum QtDataVisualization::QDataVis::SelectionMode + + Item selection modes. + + \value SelectionModeNone + Selection mode disabled. + \value SelectionModeItem + Selection selects a single item. + \value SelectionModeItemAndRow + Selection selects a single item and highlights the row it is on. In Q3DBars only. + \value SelectionModeItemAndColumn + Selection selects a single item and highlights the column it is on. In Q3DBars only. + \value SelectionModeItemRowAndColumn + Selection selects a single item and highlights the row and the column it is on. In + Q3DBars only. + \value SelectionModeSliceRow + Selection selects a single item and displays the row it is on in a separate view. The + original view is shrunk into upper left corner. Original view is restored by clicking + on it. In Q3DBars only. + \value SelectionModeSliceColumn + Selection selects a single item and displays the column it is on in a separate view. The + original view is shrunk into upper left corner. Original view is restored by clicking + on it. In Q3DBars only. +*/ + +/*! + \enum QtDataVisualization::QDataVis::ShadowQuality + + Quality of shadows. + + \value ShadowQualityNone + Shadows are disabled. + \value ShadowQualityLow + Shadows are rendered in low quality. + \value ShadowQualityMedium + Shadows are rendered in medium quality. + \value ShadowQualityHigh + Shadows are rendered in high quality. + \value ShadowQualitySoftLow + Shadows are rendered in low quality with softened edges. + \value ShadowQualitySoftMedium + Shadows are rendered in medium quality with softened edges. + \value ShadowQualitySoftHigh + Shadows are rendered in high quality with softened edges. +*/ + +/*! + \enum QtDataVisualization::QDataVis::LabelStyle + + Label styles. + + \value LabelStyleOpaque + Fully opaque background, using colors and borders from theme. + \value LabelStyleFromTheme + Use transparencies, colors and borders from theme. + \value LabelStyleTransparent + Fully transparent background, using text color from theme. +*/ diff --git a/src/datavisualization/input/input.pri b/src/datavisualization/input/input.pri new file mode 100644 index 00000000..5a4c4a76 --- /dev/null +++ b/src/datavisualization/input/input.pri @@ -0,0 +1,12 @@ +HEADERS += \ + $$PWD/qabstract3dinputhandler.h \ + $$PWD/q3dinputhandler.h \ + $$PWD/qtouch3dinputhandler.h \ + $$PWD/qabstract3dinputhandler_p.h \ + $$PWD/q3dinputhandler_p.h \ + $$PWD/qtouch3dinputhandler_p.h + +SOURCES += \ + $$PWD/qabstract3dinputhandler.cpp \ + $$PWD/q3dinputhandler.cpp \ + $$PWD/qtouch3dinputhandler.cpp diff --git a/src/datavisualization/input/q3dinputhandler.cpp b/src/datavisualization/input/q3dinputhandler.cpp new file mode 100644 index 00000000..5267568c --- /dev/null +++ b/src/datavisualization/input/q3dinputhandler.cpp @@ -0,0 +1,190 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "datavisualizationglobal_p.h" +#include "q3dinputhandler.h" +#include "q3dcamera_p.h" +#include "q3dlight.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +const int minZoomLevel = 10; +const int halfSizeZoomLevel = 50; +const int oneToOneZoomLevel = 100; +const int maxZoomLevel = 500; + +const int nearZoomRangeDivider = 12; +const int midZoomRangeDivider = 60; +const int farZoomRangeDivider = 120; + +const float rotationSpeed = 100.0f; + +/*! + * \class Q3DInputHandler + * \inmodule QtDataVisualization + * \brief Basic wheel mouse based input handler. + * \since 1.0.0 + * + * Q3DInputHandler is the basic input handler for wheel mouse type of input devices. + * + * Default input handler has the following functionalty: + * \table + * \header + * \li Mouse action \li Action + * \row + * \li Right button pressed \li Rotate graph within limits set for Q3DCamera + * \row + * \li Left click \li Select item under cursor or remove selection if none + * \row + * \li Mouse wheel \li Zoom in/out within default range (10...500%) + * \row + * \li Left click on secodanry view \li Return to primary view when in slice mode + * \note Slice mode is available in Q3DBars and Q3DSurface only + * \endtable + */ + +/*! + * Constructs the basic mouse input handler. An optional \a parent parameter can be given + * and is then passed to QObject constructor. + */ +Q3DInputHandler::Q3DInputHandler(QObject *parent) : + QAbstract3DInputHandler(parent) +{ +} + +/*! + * Destroys the input handler. + */ +Q3DInputHandler::~Q3DInputHandler() +{ +} + +// Input event listeners +/*! + * Override this to change handling of mouse press events. + * Mouse press event is given in the \a event and the mouse position in \a mousePos. + */ +void Q3DInputHandler::mousePressEvent(QMouseEvent *event, const QPoint &mousePos) +{ +#if defined(Q_OS_ANDROID) + Q_UNUSED(event); + Q_UNUSED(mousePos); +#else + if (Qt::LeftButton == event->button()) { + if (scene()->isSlicingActive()) { + if (scene()->isPointInPrimarySubView(mousePos)) { + setInputState(QDataVis::InputStateOnOverview); + } else if (scene()->isPointInSecondarySubView(mousePos)) { + setInputState(QDataVis::InputStateOnSlice); + } else { + setInputState(QDataVis::InputStateNone); + } + } else { + setInputState(QDataVis::InputStateOnScene); + // update mouse positions to prevent jumping when releasing or repressing a button + setInputPosition(mousePos); + } + } else if (Qt::MiddleButton == event->button()) { + // reset rotations + setInputPosition(QPoint(0, 0)); + } else if (Qt::RightButton == event->button()) { + // disable rotating when in slice view + if (!scene()->isSlicingActive()) + setInputState(QDataVis::InputStateRotating); + // update mouse positions to prevent jumping when releasing or repressing a button + setInputPosition(mousePos); + } +#endif +} + +/*! + * Override this to change handling of mouse release events. + * Mouse release event is given in the \a event and the mouse position in \a mousePos. + */ +void Q3DInputHandler::mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos) +{ + Q_UNUSED(event); +#if defined (Q_OS_ANDROID) + Q_UNUSED(mousePos); +#else + if (QDataVis::InputStateRotating == inputState()) { + // update mouse positions to prevent jumping when releasing or repressing a button + setInputPosition(mousePos); + } + setInputState(QDataVis::InputStateNone); +#endif +} + +/*! + * Override this to change handling of mouse move events. + * Mouse move event is given in the \a event and the mouse position in \a mousePos. + */ +void Q3DInputHandler::mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos) +{ + Q_UNUSED(event); +#if defined (Q_OS_ANDROID) + Q_UNUSED(mousePos); +#else + if (QDataVis::InputStateRotating == inputState()) { + // Calculate mouse movement since last frame + qreal xRotation = scene()->activeCamera()->xRotation(); + qreal yRotation = scene()->activeCamera()->yRotation(); + float mouseMoveX = float(inputPosition().x() - mousePos.x()) + / (scene()->viewport().width() / rotationSpeed); + float mouseMoveY = float(inputPosition().y() - mousePos.y()) + / (scene()->viewport().height() / rotationSpeed); + // Apply to rotations + xRotation -= mouseMoveX; + yRotation -= mouseMoveY; + scene()->activeCamera()->setXRotation(xRotation); + scene()->activeCamera()->setYRotation(yRotation); + scene()->activeCamera()->d_ptr->updateViewMatrix(1.0f); + + setPreviousInputPos(inputPosition()); + setInputPosition(mousePos); + } +#endif +} + +/*! + * Override this to change handling of wheel events. + * The wheel event is given in the \a event. + */ +void Q3DInputHandler::wheelEvent(QWheelEvent *event) +{ + // disable zooming if in slice view + if (scene()->isSlicingActive()) + return; + + // Adjust zoom level based on what zoom range we're in. + int zoomLevel = scene()->activeCamera()->zoomLevel(); + if (zoomLevel > oneToOneZoomLevel) + zoomLevel += event->angleDelta().y() / nearZoomRangeDivider; + else if (zoomLevel > halfSizeZoomLevel) + zoomLevel += event->angleDelta().y() / midZoomRangeDivider; + else + zoomLevel += event->angleDelta().y() / farZoomRangeDivider; + if (zoomLevel > maxZoomLevel) + zoomLevel = maxZoomLevel; + else if (zoomLevel < minZoomLevel) + zoomLevel = minZoomLevel; + + scene()->activeCamera()->setZoomLevel(zoomLevel); +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/input/q3dinputhandler.h b/src/datavisualization/input/q3dinputhandler.h new file mode 100644 index 00000000..a7fa0573 --- /dev/null +++ b/src/datavisualization/input/q3dinputhandler.h @@ -0,0 +1,48 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QDEFAULT3DINPUTHANDLER_H +#define QDEFAULT3DINPUTHANDLER_H + +#include <QtDataVisualization/qabstract3dinputhandler.h> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DInputHandler; // Workaround for qdoc bug, removing this will cause qdoc compiler to not find the class. + +class QT_DATAVISUALIZATION_EXPORT Q3DInputHandler : public QAbstract3DInputHandler +{ + Q_OBJECT + +public: + explicit Q3DInputHandler(QObject *parent = 0); + virtual ~Q3DInputHandler(); + + // Input event listeners + virtual void mousePressEvent(QMouseEvent *event, const QPoint &mousePos); + virtual void mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos); + virtual void mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos); + virtual void wheelEvent(QWheelEvent *event); + +private: + Q_DISABLE_COPY(Q3DInputHandler) +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QDEFAULT3DINPUTHANDLER_H diff --git a/src/datavisualization/input/q3dinputhandler_p.h b/src/datavisualization/input/q3dinputhandler_p.h new file mode 100644 index 00000000..af8bef5f --- /dev/null +++ b/src/datavisualization/input/q3dinputhandler_p.h @@ -0,0 +1,51 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef Q3DINPUTHANDLER_P_H +#define Q3DINPUTHANDLER_P_H + +#include "datavisualizationglobal_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Q3DInputHandler; + +class Q3DInputHandlerPrivate +{ +public: + Q3DInputHandlerPrivate(Q3DInputHandler *q); + ~Q3DInputHandlerPrivate(); + +public: + Q3DInputHandler *q_ptr; + +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // Q3DINPUTHANDLER_P_H diff --git a/src/datavisualization/input/qabstract3dinputhandler.cpp b/src/datavisualization/input/qabstract3dinputhandler.cpp new file mode 100644 index 00000000..e111ff42 --- /dev/null +++ b/src/datavisualization/input/qabstract3dinputhandler.cpp @@ -0,0 +1,210 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ +#include "qabstract3dinputhandler_p.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +/*! + \class QAbstract3DInputHandler + \inmodule QtDataVisualization + \brief Baseclass for implementations of input handlers. + \since 1.0.0 + + QAbstract3DInputHandler is a baseclass that is subclassed by different input handling implementations + that take input events and translate those to camera and light movements. Input handlers also translate + raw input events to slicing and selection events in the scene. +*/ + +/*! + * Constructs the baseclass. An optional \a parent parameter can be given + * and is then passed to QObject constructor. + */ +QAbstract3DInputHandler::QAbstract3DInputHandler(QObject *parent) : + QObject(parent), + d_ptr(new QAbstract3DInputHandlerPrivate(this)) +{ +} + +/*! + * Destroys the baseclass. + */ +QAbstract3DInputHandler::~QAbstract3DInputHandler() +{ +} + +// Input event listeners +/*! + * Override this to handle mouse double click events. + * Mouse double click event is given in the \a event. + */ +void QAbstract3DInputHandler::mouseDoubleClickEvent(QMouseEvent *event) +{ + Q_UNUSED(event); +} + +/*! + * Override this to handle touch input events. + * Touch event is given in the \a event. + */ +void QAbstract3DInputHandler::touchEvent(QTouchEvent *event) +{ + Q_UNUSED(event); +} + +/*! + * Override this to handle mouse press events. + * Mouse press event is given in the \a event and the mouse position in \a mousePos. + */ +void QAbstract3DInputHandler::mousePressEvent(QMouseEvent *event, const QPoint &mousePos) +{ + Q_UNUSED(event); + Q_UNUSED(mousePos); +} + +/*! + * Override this to handle mouse release events. + * Mouse release event is given in the \a event and the mouse position in \a mousePos. + */ +void QAbstract3DInputHandler::mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos) +{ + Q_UNUSED(event); + Q_UNUSED(mousePos); +} + +/*! + * Override this to handle mouse move events. + * Mouse move event is given in the \a event and the mouse position in \a mousePos. + */ +void QAbstract3DInputHandler::mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos) +{ + Q_UNUSED(event); + Q_UNUSED(mousePos); +} + +/*! + * Override this to handle wheel events. + * Wheel event is given in the \a event. + */ +void QAbstract3DInputHandler::wheelEvent(QWheelEvent *event) +{ + Q_UNUSED(event); +} + +// Property get/set +/*! + * \property QAbstract3DInputHandler::inputState + * + * Current enumerated input state based on the processed input events. + * When the state changes inputStateChanged() is emitted. + */ +QDataVis::InputState QAbstract3DInputHandler::inputState() +{ + return d_ptr->m_inputState; +} + +void QAbstract3DInputHandler::setInputState(QDataVis::InputState inputState) +{ + if (inputState != d_ptr->m_inputState) { + d_ptr->m_inputState = inputState; + emit inputStateChanged(inputState); + } +} + +/*! + * \property QAbstract3DInputHandler::inputPosition + * + * Last input position based on the processed input events. + */ +QPoint QAbstract3DInputHandler::inputPosition() const +{ + return d_ptr->m_inputPosition; +} + +void QAbstract3DInputHandler::setInputPosition(const QPoint &position) +{ + if (position != d_ptr->m_inputPosition) { + d_ptr->m_inputPosition = position; + emit positionChanged(position); + } +} + +/*! + * \return the manhattan length between last two input positions. + */ +int QAbstract3DInputHandler::prevDistance() const +{ + return d_ptr->m_prevDistance; +} + +/*! + * Sets the \a distance (manhattan length) between last two input positions. + */ +void QAbstract3DInputHandler::setPrevDistance(int distance) +{ + d_ptr->m_prevDistance = distance; +} + +/*! + * \property QAbstract3DInputHandler::scene + * + * The 3D scene this abstract inputhandler is controlling. Only one scene can be controlled by one input handler. + */ +Q3DScene *QAbstract3DInputHandler::scene() const +{ + return d_ptr->m_scene; +} + +void QAbstract3DInputHandler::setScene(Q3DScene *scene) +{ + d_ptr->m_scene = scene; +} + +/*! + * Sets the previous input position to the point given by \a position. + */ +void QAbstract3DInputHandler::setPreviousInputPos(const QPoint &position) +{ + d_ptr->m_previousInputPos = position; +} + +/*! + * Returns the previous input position. + * \return Previous input position. + */ +QPoint QAbstract3DInputHandler::previousInputPos() const +{ + return d_ptr->m_previousInputPos; +} + + +QAbstract3DInputHandlerPrivate::QAbstract3DInputHandlerPrivate(QAbstract3DInputHandler *q) : + q_ptr(q), + m_prevDistance(0), + m_previousInputPos(QPoint(0,0)), + m_inputState(QDataVis::InputStateNone), + m_inputPosition(QPoint(0,0)), + m_scene(0) +{ +} + +QAbstract3DInputHandlerPrivate::~QAbstract3DInputHandlerPrivate() +{ + +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/input/qabstract3dinputhandler.h b/src/datavisualization/input/qabstract3dinputhandler.h new file mode 100644 index 00000000..d7bf3aee --- /dev/null +++ b/src/datavisualization/input/qabstract3dinputhandler.h @@ -0,0 +1,82 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QABSTRACT3DINPUTHANDLER_H +#define QABSTRACT3DINPUTHANDLER_H + +#include <QtDataVisualization/qdatavisualizationenums.h> +#include <QtDataVisualization/q3dscene.h> +#include <QMouseEvent> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QAbstract3DInputHandlerPrivate; + +class QT_DATAVISUALIZATION_EXPORT QAbstract3DInputHandler : public QObject +{ + Q_OBJECT + Q_PROPERTY(QtDataVisualization::QDataVis::InputState inputState READ inputState WRITE setInputState NOTIFY inputStateChanged) + Q_PROPERTY(QPoint inputPosition READ inputPosition WRITE setInputPosition NOTIFY positionChanged) + Q_PROPERTY(Q3DScene *scene READ scene WRITE setScene NOTIFY sceneChanged) + +public: + explicit QAbstract3DInputHandler(QObject *parent = 0); + virtual ~QAbstract3DInputHandler(); + + // Input event listeners + virtual void mouseDoubleClickEvent(QMouseEvent *event); + virtual void touchEvent(QTouchEvent *event); + virtual void mousePressEvent(QMouseEvent *event, const QPoint &mousePos); + virtual void mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos); + virtual void mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos); + virtual void wheelEvent(QWheelEvent *event); + +public: + // TODO: Check if the inputState needs to be visible outside of subclasses in the final architecture + QDataVis::InputState inputState(); + void setInputState(QDataVis::InputState inputState); + + QPoint inputPosition() const; + void setInputPosition(const QPoint &position); + + Q3DScene *scene() const; + void setScene(Q3DScene *scene); + +signals: + void positionChanged(const QPoint &position); + void inputStateChanged(QDataVis::InputState state); + void sceneChanged(const Q3DScene *scene); + +protected: + void setPrevDistance(int distance); + int prevDistance() const; + void setPreviousInputPos(const QPoint &position); + QPoint previousInputPos() const; + +private: + Q_DISABLE_COPY(QAbstract3DInputHandler) + + QScopedPointer<QAbstract3DInputHandlerPrivate> d_ptr; + + friend class Abstract3DController; + friend class QTouch3DInputHandlerPrivate; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QABSTRACT3DINPUTHANDLER_H diff --git a/src/datavisualization/input/qabstract3dinputhandler_p.h b/src/datavisualization/input/qabstract3dinputhandler_p.h new file mode 100644 index 00000000..cad1c667 --- /dev/null +++ b/src/datavisualization/input/qabstract3dinputhandler_p.h @@ -0,0 +1,70 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef QABSTRACT3DINPUTHANDLER_P_H +#define QABSTRACT3DINPUTHANDLER_P_H + +#include "datavisualizationglobal_p.h" +#include "qabstract3dinputhandler.h" +#include <QRect> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QAbstract3DInputHandler; +class Q3DScene; + +class QAbstract3DInputHandlerPrivate +{ +public: + QAbstract3DInputHandlerPrivate(QAbstract3DInputHandler *q); + ~QAbstract3DInputHandlerPrivate(); + +public: + QAbstract3DInputHandler *q_ptr; + int m_prevDistance; + QPoint m_previousInputPos; + + GLfloat m_defaultXRotation; + GLfloat m_defaultYRotation; + +private: + QDataVis::InputState m_inputState; + QPoint m_inputPosition; + QRect m_mainViewPort; + + // TODO: Check if this could be avoided with signals/slots or some other way. + Q3DScene *m_scene; + bool m_isDefaultHandler; + + friend class QAbstract3DInputHandler; + friend class Abstract3DController; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QABSTRACT3DINPUTHANDLER_P_H diff --git a/src/datavisualization/input/qtouch3dinputhandler.cpp b/src/datavisualization/input/qtouch3dinputhandler.cpp new file mode 100644 index 00000000..fd079e88 --- /dev/null +++ b/src/datavisualization/input/qtouch3dinputhandler.cpp @@ -0,0 +1,209 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "qtouch3dinputhandler_p.h" +#include "q3dcamera_p.h" +#include <QTimer> +#include <qmath.h> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +const qreal maxTapAndHoldJitter = 20; +const int maxPinchJitter = 10; +#if defined (Q_OS_ANDROID) +const int maxSelectionJitter = 10; +#else +const int maxSelectionJitter = 5; +#endif +const int tapAndHoldTime = 250; +const float rotationSpeed = 200.0f; +const int minZoomLevel = 10; +const int maxZoomLevel = 500; + +/*! + * \class QTouch3DInputHandler + * \inmodule QtDataVisualization + * \brief Basic touch display based input handler. + * \since 1.0.0 + * + * QTouch3DInputHandler is the basic input handler for touch screen devices. + * + * Default touch input handler has the following functionalty: + * \table + * \header + * \li Gesture \li Action + * \row + * \li Touch-And-Move \li Rotate graph within limits set for Q3DCamera + * \row + * \li Tap \li Select item under pointer or remove selection if none + * \row + * \li Tap-And-Hold \li Select item under pointer or remove selection if none + * \row + * \li Pinch \li Zoom in/out within default range (10...500%) + * \row + * \li Tap on secondary view \li Return to primary view when in slice mode + * \note Slice mode is available in Q3DBars and Q3DSurface only + * \endtable + */ + +/*! + * Constructs the basic touch display input handler. An optional \a parent parameter can be given + * and is then passed to QObject constructor. + */ +QTouch3DInputHandler::QTouch3DInputHandler(QObject *parent) + : Q3DInputHandler(parent), + d_ptr(new QTouch3DInputHandlerPrivate(this)) +{ +} + +/*! + * Destroys the input handler. + */ +QTouch3DInputHandler::~QTouch3DInputHandler() +{ +} + +/*! + * Override this to change handling of touch events. + * Touch event is given in the \a event. + */ +void QTouch3DInputHandler::touchEvent(QTouchEvent *event) +{ + QList<QTouchEvent::TouchPoint> points; + points = event->touchPoints(); + + if (!scene()->isSlicingActive() && points.count() == 2) { + d_ptr->m_holdTimer->stop(); + QPointF distance = points.at(0).pos() - points.at(1).pos(); + d_ptr->handlePinchZoom(distance.manhattanLength()); + } else if (points.count() == 1) { + QPointF pointerPos = points.at(0).pos(); + if (event->type() == QEvent::TouchBegin) { + if (scene()->isSlicingActive()) { + if (scene()->isPointInPrimarySubView(pointerPos.toPoint())) + setInputState(QDataVis::InputStateOnOverview); + else if (scene()->isPointInSecondarySubView(pointerPos.toPoint())) + setInputState(QDataVis::InputStateOnSlice); + else + setInputState(QDataVis::InputStateNone); + } else { + // Handle possible tap-and-hold selection + d_ptr->m_startHoldPos = pointerPos; + d_ptr->m_touchHoldPos = d_ptr->m_startHoldPos; + d_ptr->m_holdTimer->start(); + // Start rotating + setInputState(QDataVis::InputStateRotating); + setInputPosition(pointerPos.toPoint()); + } + } else if (event->type() == QEvent::TouchEnd) { + d_ptr->m_holdTimer->stop(); + // Handle possible selection + d_ptr->handleSelection(pointerPos); + } else if (event->type() == QEvent::TouchUpdate) { + if (!scene()->isSlicingActive()) { + d_ptr->m_touchHoldPos = pointerPos; + // Handle rotation + d_ptr->handleRotation(pointerPos); + } + } + } else { + d_ptr->m_holdTimer->stop(); + } +} + +QTouch3DInputHandlerPrivate::QTouch3DInputHandlerPrivate(QTouch3DInputHandler *q) + : q_ptr(q), + m_holdTimer(0) +{ + m_holdTimer = new QTimer(); + m_holdTimer->setSingleShot(true); + m_holdTimer->setInterval(tapAndHoldTime); + connect(m_holdTimer, &QTimer::timeout, this, &QTouch3DInputHandlerPrivate::handleTapAndHold); +} + +QTouch3DInputHandlerPrivate::~QTouch3DInputHandlerPrivate() +{ + m_holdTimer->stop(); + delete m_holdTimer; +} + +void QTouch3DInputHandlerPrivate::handlePinchZoom(qreal distance) +{ + int newDistance = distance; + int prevDist = q_ptr->prevDistance(); + if (prevDist > 0 && qAbs(prevDist - newDistance) < maxPinchJitter) + return; + q_ptr->setInputState(QDataVis::InputStateOnPinch); + Q3DCamera *camera = q_ptr->scene()->activeCamera(); + int zoomLevel = camera->zoomLevel(); + qreal zoomRate = qSqrt(qSqrt(zoomLevel)); + if (newDistance > prevDist) + zoomLevel += zoomRate; + else + zoomLevel -= zoomRate; + if (zoomLevel > maxZoomLevel) + zoomLevel = maxZoomLevel; + else if (zoomLevel < minZoomLevel) + zoomLevel = minZoomLevel; + camera->setZoomLevel(zoomLevel); + q_ptr->setPrevDistance(newDistance); +} + +void QTouch3DInputHandlerPrivate::handleTapAndHold() +{ + QPointF distance = m_startHoldPos - m_touchHoldPos; + if (distance.manhattanLength() < maxTapAndHoldJitter) { + q_ptr->setInputPosition(m_touchHoldPos.toPoint()); + q_ptr->setInputState(QDataVis::InputStateOnScene); + } +} + +void QTouch3DInputHandlerPrivate::handleSelection(const QPointF &position) +{ + QPointF distance = m_startHoldPos - position; + if (distance.manhattanLength() < maxSelectionJitter) + q_ptr->setInputState(QDataVis::InputStateOnScene); + else + q_ptr->setInputState(QDataVis::InputStateNone); + q_ptr->setPreviousInputPos(position.toPoint()); +} + +void QTouch3DInputHandlerPrivate::handleRotation(const QPointF &position) +{ + if (QDataVis::InputStateRotating == q_ptr->inputState()) { + Q3DScene *scene = q_ptr->scene(); + Q3DCamera *camera = scene->activeCamera(); + float xRotation = camera->xRotation(); + float yRotation = camera->yRotation(); + QPointF inputPos = q_ptr->inputPosition(); + float mouseMoveX = float(inputPos.x() - position.x()) + / (scene->viewport().width() / rotationSpeed); + float mouseMoveY = float(inputPos.y() - position.y()) + / (scene->viewport().height() / rotationSpeed); + xRotation -= mouseMoveX; + yRotation -= mouseMoveY; + camera->setXRotation(xRotation); + camera->setYRotation(yRotation); + camera->d_ptr->updateViewMatrix(1.0f); + + q_ptr->setPreviousInputPos(inputPos.toPoint()); + q_ptr->setInputPosition(position.toPoint()); + } +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/input/qtouch3dinputhandler.h b/src/datavisualization/input/qtouch3dinputhandler.h new file mode 100644 index 00000000..1c366926 --- /dev/null +++ b/src/datavisualization/input/qtouch3dinputhandler.h @@ -0,0 +1,47 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QTOUCH3DINPUTHANDLER_H +#define QTOUCH3DINPUTHANDLER_H + +#include <QtDataVisualization/q3dinputhandler.h> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QTouch3DInputHandlerPrivate; + +class QT_DATAVISUALIZATION_EXPORT QTouch3DInputHandler : public Q3DInputHandler +{ + Q_OBJECT + +public: + explicit QTouch3DInputHandler(QObject *parent = 0); + virtual ~QTouch3DInputHandler(); + + // Input event listeners + virtual void touchEvent(QTouchEvent *event); + +private: + Q_DISABLE_COPY(QTouch3DInputHandler) + + QScopedPointer<QTouch3DInputHandlerPrivate> d_ptr; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QTOUCH3DINPUTHANDLER_H diff --git a/src/datavisualization/input/qtouch3dinputhandler_p.h b/src/datavisualization/input/qtouch3dinputhandler_p.h new file mode 100644 index 00000000..1c5b81c7 --- /dev/null +++ b/src/datavisualization/input/qtouch3dinputhandler_p.h @@ -0,0 +1,50 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef QTOUCH3DINPUTHANDLER_P_H +#define QTOUCH3DINPUTHANDLER_P_H + +#include "qtouch3dinputhandler.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class QAbstract3DInputHandler; + +class QTouch3DInputHandlerPrivate : public QObject +{ + Q_OBJECT + +public: + QTouch3DInputHandlerPrivate(QTouch3DInputHandler *q); + ~QTouch3DInputHandlerPrivate(); + + void handlePinchZoom(qreal distance); + void handleTapAndHold(); + void handleSelection(const QPointF &position); + void handleRotation(const QPointF &position); + +public: + QTouch3DInputHandler *q_ptr; + QTimer *m_holdTimer; + QPointF m_startHoldPos; + QPointF m_touchHoldPos; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // QTOUCH3DINPUTHANDLER_H diff --git a/src/datavisualization/utils/abstractobjecthelper.cpp b/src/datavisualization/utils/abstractobjecthelper.cpp new file mode 100644 index 00000000..d47f2fe6 --- /dev/null +++ b/src/datavisualization/utils/abstractobjecthelper.cpp @@ -0,0 +1,81 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "abstractobjecthelper_p.h" + +#include <QDebug> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +AbstractObjectHelper::AbstractObjectHelper() + : m_vertexbuffer(0), + m_normalbuffer(0), + m_uvbuffer(0), + m_elementbuffer(0), + m_indexCount(0), + m_meshDataLoaded(false) +{ +} + +AbstractObjectHelper::~AbstractObjectHelper() +{ + glDeleteBuffers(1, &m_vertexbuffer); + glDeleteBuffers(1, &m_uvbuffer); + glDeleteBuffers(1, &m_normalbuffer); + glDeleteBuffers(1, &m_elementbuffer); +} + +GLuint AbstractObjectHelper::vertexBuf() +{ + if (!m_meshDataLoaded) + qFatal("No loaded object"); + return m_vertexbuffer; +} + +GLuint AbstractObjectHelper::normalBuf() +{ + if (!m_meshDataLoaded) + qFatal("No loaded object"); + return m_normalbuffer; +} + +GLuint AbstractObjectHelper::uvBuf() +{ + if (!m_meshDataLoaded) + qFatal("No loaded object"); + return m_uvbuffer; +} + +GLuint AbstractObjectHelper::elementBuf() +{ + if (!m_meshDataLoaded) + qFatal("No loaded object"); + return m_elementbuffer; +} + +GLuint AbstractObjectHelper::indexCount() +{ + return m_indexCount; +} + +GLuint AbstractObjectHelper::indicesType() +{ + return m_indicesType; +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/utils/abstractobjecthelper_p.h b/src/datavisualization/utils/abstractobjecthelper_p.h new file mode 100644 index 00000000..a6de6941 --- /dev/null +++ b/src/datavisualization/utils/abstractobjecthelper_p.h @@ -0,0 +1,65 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef ABSTRACTOBJECTHELPER_H +#define ABSTRACTOBJECTHELPER_H + +#include "datavisualizationglobal_p.h" +#include <QOpenGLFunctions> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class AbstractObjectHelper: protected QOpenGLFunctions +{ +protected: + AbstractObjectHelper(); +public: + ~AbstractObjectHelper(); + + GLuint vertexBuf(); + GLuint normalBuf(); + GLuint uvBuf(); + GLuint elementBuf(); + GLuint indexCount(); + GLuint indicesType(); + +public: + GLuint m_vertexbuffer; + GLuint m_normalbuffer; + GLuint m_uvbuffer; + GLuint m_elementbuffer; + + GLuint m_indexCount; + GLboolean m_meshDataLoaded; + + GLuint m_indicesType; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif // ABSTRACTOBJECTHELPER_H diff --git a/src/datavisualization/utils/camerahelper.cpp b/src/datavisualization/utils/camerahelper.cpp new file mode 100644 index 00000000..29ed4d57 --- /dev/null +++ b/src/datavisualization/utils/camerahelper.cpp @@ -0,0 +1,286 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "camerahelper_p.h" + +#include <qmath.h> +#include <QMatrix4x4> +#include <QVector3D> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +CameraHelper::CameraHelper(QObject *parent) : + QObject(parent), + m_position(0, 0.25, 3), + m_target(0, 0, 0), + m_up(0, 1, 0), + m_previousMousePos(0,0), + m_xRotation(0), + m_yRotation(0), + m_defaultXRotation(0), + m_defaultYRotation(0), + m_rotationSpeed(100) +{ +} + +CameraHelper::~CameraHelper() +{ +} + + +// FUNCTIONS +void CameraHelper::setRotationSpeed(int speed) +{ + // increase for faster rotation + m_rotationSpeed = speed; +} + +void CameraHelper::setCameraRotation(const QPointF &rotation) +{ + m_xRotation = rotation.x(); + m_defaultXRotation = m_xRotation; + m_yRotation = rotation.y(); + m_defaultYRotation = m_yRotation; +} + +void CameraHelper::setDefaultCameraOrientation(const QVector3D &defaultPosition, + const QVector3D &defaultTarget, + const QVector3D &defaultUp) +{ + m_position = defaultPosition; + m_target = defaultTarget; + m_up = defaultUp; +} + +QMatrix4x4 CameraHelper::calculateViewMatrix(const QPoint &mousePos, int zoom, + int screenWidth, int screenHeight, bool showUnder) +{ + QMatrix4x4 viewMatrix; + GLfloat lowerLimit = 0.0f; + + if (showUnder) + lowerLimit = -90.0f; + + // Calculate mouse movement since last frame + GLfloat mouseMoveX = GLfloat(m_previousMousePos.x() - mousePos.x()) + / (screenWidth / m_rotationSpeed); + GLfloat mouseMoveY = GLfloat(m_previousMousePos.y() - mousePos.y()) + / (screenHeight / m_rotationSpeed); + // Apply to rotations + m_xRotation -= mouseMoveX; + m_yRotation -= mouseMoveY; + // Reset at 360 in x and limit to 0...90 in y + if (qAbs(m_xRotation) >= 360.0f) + m_xRotation = 0.0f; + if (m_yRotation >= 90.0f) + m_yRotation = 90.0f; + else if (m_yRotation <= lowerLimit) + m_yRotation = lowerLimit; + + // Apply to view matrix + viewMatrix.lookAt(m_position, m_target, m_up); + // Compensate for translation (if m_target is off origin) + viewMatrix.translate(m_target.x(), m_target.y(), m_target.z()); + // Apply rotations + // Handle x and z rotation when y -angle is other than 0 + viewMatrix.rotate(m_xRotation, 0, qCos(qDegreesToRadians(m_yRotation)), + qSin(qDegreesToRadians(m_yRotation))); + // y rotation is always "clean" + viewMatrix.rotate(m_yRotation, 1.0f, 0.0f, 0.0f); + // handle zoom by scaling + viewMatrix.scale((GLfloat)zoom / 100.0f); + // Compensate for translation (if m_target is off origin) + viewMatrix.translate(-m_target.x(), -m_target.y(), -m_target.z()); + //qDebug() << m_xRotation << m_yRotation; + + m_previousMousePos = mousePos; + return viewMatrix; +} + +QVector3D CameraHelper::calculateLightPosition(const QVector3D &lightPosition, + GLfloat fixedRotation, GLfloat distanceModifier) +{ + // Move light with camera + QVector3D newLightPosition; + GLfloat radiusFactor = lightPosition.z() * (1.5f + distanceModifier); // for making sure light is outside the scene at its lowest point + GLfloat xAngle; + GLfloat yAngle; + if (!fixedRotation) { + xAngle = qDegreesToRadians(m_xRotation); + yAngle = qDegreesToRadians(m_yRotation); + } else { + xAngle = qDegreesToRadians(fixedRotation); + yAngle = 0; + } + GLfloat radius = (radiusFactor + lightPosition.y()); // set radius to match the highest height of the light + GLfloat zPos = radius * qCos(xAngle) * qCos(yAngle); + GLfloat xPos = radius * qSin(xAngle) * qCos(yAngle); + GLfloat yPos = (radiusFactor + lightPosition.y()) * qSin(yAngle); + // Keep light in the set position in relation to camera + newLightPosition = QVector3D(-xPos + lightPosition.x(), + yPos + lightPosition.y(), + zPos + lightPosition.z()); + //qDebug() << newLightPosition << xAngle << yAngle << fixedRotation; + return newLightPosition; +} + +void CameraHelper::updateMousePos(const QPoint &mousePos) +{ + m_previousMousePos = mousePos; + // if mouse position is set to (0, 0), reset rotations + if (QPoint(0, 0) == mousePos) { + m_xRotation = m_defaultXRotation; + m_yRotation = m_defaultYRotation; + } +} + +QPointF CameraHelper::getCameraRotations() +{ + QPointF rotations(m_xRotation, m_yRotation); + return rotations; +} + +void CameraHelper::setCameraPreset(QDataVis::CameraPreset preset) +{ + switch (preset) { + case QDataVis::CameraPresetFrontLow: { + qDebug("CameraPresetFrontLow"); + CameraHelper::setCameraRotation(QPointF(0.0f, 0.0f)); + break; + } + case QDataVis::CameraPresetFront: { + qDebug("CameraPresetFront"); + CameraHelper::setCameraRotation(QPointF(0.0f, 22.5f)); + break; + } + case QDataVis::CameraPresetFrontHigh: { + qDebug("CameraPresetFrontHigh"); + CameraHelper::setCameraRotation(QPointF(0.0f, 45.0f)); + break; + } + case QDataVis::CameraPresetLeftLow: { + qDebug("CameraPresetLeftLow"); + CameraHelper::setCameraRotation(QPointF(90.0f, 0.0f)); + break; + } + case QDataVis::CameraPresetLeft: { + qDebug("CameraPresetLeft"); + CameraHelper::setCameraRotation(QPointF(90.0f, 22.5f)); + break; + } + case QDataVis::CameraPresetLeftHigh: { + qDebug("CameraPresetLeftHigh"); + CameraHelper::setCameraRotation(QPointF(90.0f, 45.0f)); + break; + } + case QDataVis::CameraPresetRightLow: { + qDebug("CameraPresetRightLow"); + CameraHelper::setCameraRotation(QPointF(-90.0f, 0.0f)); + break; + } + case QDataVis::CameraPresetRight: { + qDebug("CameraPresetRight"); + CameraHelper::setCameraRotation(QPointF(-90.0f, 22.5f)); + break; + } + case QDataVis::CameraPresetRightHigh: { + qDebug("CameraPresetRightHigh"); + CameraHelper::setCameraRotation(QPointF(-90.0f, 45.0f)); + break; + } + case QDataVis::CameraPresetBehindLow: { + qDebug("CameraPresetBehindLow"); + CameraHelper::setCameraRotation(QPointF(180.0f, 0.0f)); + break; + } + case QDataVis::CameraPresetBehind: { + qDebug("CameraPresetBehind"); + CameraHelper::setCameraRotation(QPointF(180.0f, 22.5f)); + break; + } + case QDataVis::CameraPresetBehindHigh: { + qDebug("CameraPresetBehindHigh"); + CameraHelper::setCameraRotation(QPointF(180.0f, 45.0f)); + break; + } + case QDataVis::CameraPresetIsometricLeft: { + qDebug("CameraPresetIsometricLeft"); + CameraHelper::setCameraRotation(QPointF(45.0f, 22.5f)); + break; + } + case QDataVis::CameraPresetIsometricLeftHigh: { + qDebug("CameraPresetIsometricLeftHigh"); + CameraHelper::setCameraRotation(QPointF(45.0f, 45.0f)); + break; + } + case QDataVis::CameraPresetIsometricRight: { + qDebug("CameraPresetIsometricRight"); + CameraHelper::setCameraRotation(QPointF(-45.0f, 22.5f)); + break; + } + case QDataVis::CameraPresetIsometricRightHigh: { + qDebug("CameraPresetIsometricRightHigh"); + CameraHelper::setCameraRotation(QPointF(-45.0f, 45.0f)); + break; + } + case QDataVis::CameraPresetDirectlyAbove: { + qDebug("CameraPresetDirectlyAbove"); + CameraHelper::setCameraRotation(QPointF(0.0f, 90.0f)); + break; + } + case QDataVis::CameraPresetDirectlyAboveCW45: { + qDebug("CameraPresetDirectlyAboveCW45"); + CameraHelper::setCameraRotation(QPointF(-45.0f, 90.0f)); + break; + } + case QDataVis::CameraPresetDirectlyAboveCCW45: { + qDebug("CameraPresetDirectlyAboveCCW45"); + CameraHelper::setCameraRotation(QPointF(45.0f, 90.0f)); + break; + } + case QDataVis::CameraPresetFrontBelow: { + qDebug("CameraPresetFrontBelow"); + CameraHelper::setCameraRotation(QPointF(0.0f, -45.0f)); + break; + } + case QDataVis::CameraPresetLeftBelow: { + qDebug("CameraPresetLeftBelow"); + CameraHelper::setCameraRotation(QPointF(90.0f, -45.0f)); + break; + } + case QDataVis::CameraPresetRightBelow: { + qDebug("CameraPresetRightBelow"); + CameraHelper::setCameraRotation(QPointF(-90.0f, -45.0f)); + break; + } + case QDataVis::CameraPresetBehindBelow: { + qDebug("CameraPresetBehindBelow"); + CameraHelper::setCameraRotation(QPointF(180.0f, -45.0f)); + break; + } + case QDataVis::CameraPresetDirectlyBelow: { + qDebug("CameraPresetDirectlyBelow"); + CameraHelper::setCameraRotation(QPointF(0.0f, -90.0f)); + break; + } + default: + break; + } +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/utils/camerahelper_p.h b/src/datavisualization/utils/camerahelper_p.h new file mode 100644 index 00000000..1ef4d257 --- /dev/null +++ b/src/datavisualization/utils/camerahelper_p.h @@ -0,0 +1,90 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef CAMERAPOSITIONER_P_H +#define CAMERAPOSITIONER_P_H + +#include "datavisualizationglobal_p.h" +#include "q3dbars.h" +#include <QObject> + +class QMatrix4x4; +class QVector3D; +class QPoint; +class QPointF; + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class CameraHelper : public QObject +{ + Q_OBJECT + +private: + QVector3D m_position; + QVector3D m_target; + QVector3D m_up; + + QPoint m_previousMousePos; + + GLfloat m_xRotation; + GLfloat m_yRotation; + GLfloat m_defaultXRotation; + GLfloat m_defaultYRotation; + + GLfloat m_rotationSpeed; + +public: + explicit CameraHelper(QObject *parent = 0); + ~CameraHelper(); + + // How fast camera rotates when mouse is dragged. Default is 100. + void setRotationSpeed(int speed); + // Set camera rotation in degrees + void setCameraRotation(const QPointF &rotation); + // Get camera rotations + QPointF getCameraRotations(); + // Set default camera orientation. Position's x and y should be 0. + void setDefaultCameraOrientation(const QVector3D &defaultPosition, + const QVector3D &defaultTarget, + const QVector3D &defaultUp); + // Calculate view matrix based on rotation and zoom + QMatrix4x4 calculateViewMatrix(const QPoint &mousePos, int zoom, + int screenWidth, int screenHeight, + bool showUnder = false); + // Calcluate light position based on rotation. Call after calling calculateViewMatrix to get + // up-to-date position + QVector3D calculateLightPosition(const QVector3D &lightPosition, + GLfloat fixedRotation = 0.0f, + GLfloat distanceModifier = 0.0f); + void updateMousePos(const QPoint &mousePos); + void setCameraPreset(QDataVis::CameraPreset preset); +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/utils/meshloader.cpp b/src/datavisualization/utils/meshloader.cpp new file mode 100644 index 00000000..119cde3a --- /dev/null +++ b/src/datavisualization/utils/meshloader.cpp @@ -0,0 +1,125 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "meshloader_p.h" + +#include <QFile> +#include <QStringList> +#include <QVector> +#include <QVector2D> +#include <QVector3D> + +#include <QDebug> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +QString slashTag = QStringLiteral("/"); + +bool MeshLoader::loadOBJ(const QString &path, + QVector<QVector3D> &out_vertices, + QVector<QVector2D> &out_uvs, + QVector<QVector3D> &out_normals) +{ + //qDebug() << "Loading OBJ file" << path; + + QVector<unsigned int> vertexIndices, uvIndices, normalIndices; + QVector<QVector3D> temp_vertices; + QVector<QVector2D> temp_uvs; + QVector<QVector3D> temp_normals; + + QFile file(path); + if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) { + qWarning("Cannot open the file"); + return false; + } + + QTextStream textIn(&file); + while (!textIn.atEnd()) { + QString line = textIn.readLine(); + QStringList lineContents = line.split(QStringLiteral(" ")); + if (!lineContents.at(0).compare(QStringLiteral("v"))) { + QVector3D vertex; + vertex.setX(lineContents.at(1).toFloat()); + vertex.setY(lineContents.at(2).toFloat()); + vertex.setZ(lineContents.at(3).toFloat()); + temp_vertices.append(vertex); + } + else if (!lineContents.at(0).compare(QStringLiteral("vt"))) { + QVector2D uv; + uv.setX(lineContents.at(1).toFloat()); + uv.setY(lineContents.at(2).toFloat()); // invert this if using DDS textures + temp_uvs.append(uv); + } + else if (!lineContents.at(0).compare(QStringLiteral("vn"))) { + QVector3D normal; + normal.setX(lineContents.at(1).toFloat()); + normal.setY(lineContents.at(2).toFloat()); + normal.setZ(lineContents.at(3).toFloat()); + temp_normals.append(normal); + } + else if (!lineContents.at(0).compare(QStringLiteral("f"))) { + unsigned int vertexIndex[3], uvIndex[3], normalIndex[3]; + QStringList set1 = lineContents.at(1).split(slashTag); + QStringList set2 = lineContents.at(2).split(slashTag); + QStringList set3 = lineContents.at(3).split(slashTag); + vertexIndex[0] = set1.at(0).toUInt(); + vertexIndex[1] = set2.at(0).toUInt(); + vertexIndex[2] = set3.at(0).toUInt(); + uvIndex[0] = set1.at(1).toUInt(); + uvIndex[1] = set2.at(1).toUInt(); + uvIndex[2] = set3.at(1).toUInt(); + normalIndex[0] = set1.at(2).toUInt(); + normalIndex[1] = set2.at(2).toUInt(); + normalIndex[2] = set3.at(2).toUInt(); + vertexIndices.append(vertexIndex[0]); + vertexIndices.append(vertexIndex[1]); + vertexIndices.append(vertexIndex[2]); + uvIndices.append(uvIndex[0]); + uvIndices.append(uvIndex[1]); + uvIndices.append(uvIndex[2]); + normalIndices.append(normalIndex[0]); + normalIndices.append(normalIndex[1]); + normalIndices.append(normalIndex[2]); + } + else { + //qWarning("Line did not contain usable data"); + } + } + + // For each vertex of each triangle + for (int i = 0; i < vertexIndices.size(); i++) { + // Get the indices of its attributes + unsigned int vertexIndex = vertexIndices[i]; + unsigned int uvIndex = uvIndices[i]; + unsigned int normalIndex = normalIndices[i]; + + // Get the attributes thanks to the index + QVector3D vertex = temp_vertices[vertexIndex - 1]; + QVector2D uv = temp_uvs[uvIndex - 1]; + QVector3D normal = temp_normals[normalIndex - 1]; + + // Put the attributes in buffers + out_vertices.append(vertex); + out_uvs.append(uv); + out_normals.append(normal); + } + + return true; +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/utils/meshloader_p.h b/src/datavisualization/utils/meshloader_p.h new file mode 100644 index 00000000..48551fff --- /dev/null +++ b/src/datavisualization/utils/meshloader_p.h @@ -0,0 +1,51 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef MESHLOADER_P_H +#define MESHLOADER_P_H + +#include "datavisualizationglobal_p.h" + +class QVector2D; +class QVector3D; + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class MeshLoader +{ + public: + static bool loadOBJ(const QString &path, + QVector<QVector3D> &out_vertices, + QVector<QVector2D> &out_uvs, + QVector<QVector3D> &out_normals); + // TODO: add loaders for other formats? +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/utils/objecthelper.cpp b/src/datavisualization/utils/objecthelper.cpp new file mode 100644 index 00000000..9660c215 --- /dev/null +++ b/src/datavisualization/utils/objecthelper.cpp @@ -0,0 +1,101 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "meshloader_p.h" +#include "vertexindexer_p.h" +#include "objecthelper_p.h" +#include "abstractobjecthelper_p.h" + +#include <QDebug> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +ObjectHelper::ObjectHelper(const QString &objectFile) + : m_objectFile(objectFile) +{ + m_indicesType = GL_UNSIGNED_SHORT; +} + +ObjectHelper::~ObjectHelper() +{ +} + +void ObjectHelper::setObjectFile(const QString &objectFile) +{ + m_objectFile = objectFile; +} + +void ObjectHelper::load() +{ + initializeOpenGLFunctions(); + if (m_meshDataLoaded) { + // Delete old data + glDeleteBuffers(1, &m_vertexbuffer); + glDeleteBuffers(1, &m_uvbuffer); + glDeleteBuffers(1, &m_normalbuffer); + glDeleteBuffers(1, &m_elementbuffer); + } + QVector<QVector3D> vertices; + QVector<QVector2D> uvs; + QVector<QVector3D> normals; + bool loadOk = MeshLoader::loadOBJ(m_objectFile, vertices, uvs, normals); + if (!loadOk) + qFatal("loading failed"); + + //qDebug() << "vertex count" << vertices.size();; + + // Index vertices + QVector<unsigned short> indices; + QVector<QVector3D> indexed_vertices; + QVector<QVector2D> indexed_uvs; + QVector<QVector3D> indexed_normals; + VertexIndexer::indexVBO(vertices, uvs, normals, indices, indexed_vertices, indexed_uvs, + indexed_normals); + + m_indexCount = indices.size(); + //qDebug() << "index count" << m_indexCount; + + glGenBuffers(1, &m_vertexbuffer); + glBindBuffer(GL_ARRAY_BUFFER, m_vertexbuffer); + glBufferData(GL_ARRAY_BUFFER, indexed_vertices.size() * sizeof(QVector3D), + &indexed_vertices.at(0), + GL_STATIC_DRAW); + + glGenBuffers(1, &m_normalbuffer); + glBindBuffer(GL_ARRAY_BUFFER, m_normalbuffer); + glBufferData(GL_ARRAY_BUFFER, indexed_normals.size() * sizeof(QVector3D), + &indexed_normals.at(0), + GL_STATIC_DRAW); + + glGenBuffers(1, &m_uvbuffer); + glBindBuffer(GL_ARRAY_BUFFER, m_uvbuffer); + glBufferData(GL_ARRAY_BUFFER, indexed_uvs.size() * sizeof(QVector2D), + &indexed_uvs.at(0), GL_STATIC_DRAW); + + glGenBuffers(1, &m_elementbuffer); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_elementbuffer); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(unsigned short), + &indices.at(0), GL_STATIC_DRAW); + + glBindBuffer(GL_ARRAY_BUFFER, 0); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); + + m_meshDataLoaded = true; +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/utils/objecthelper_p.h b/src/datavisualization/utils/objecthelper_p.h new file mode 100644 index 00000000..9d643fdd --- /dev/null +++ b/src/datavisualization/utils/objecthelper_p.h @@ -0,0 +1,54 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef OBJECTHELPER_P_H +#define OBJECTHELPER_P_H + +#include "datavisualizationglobal_p.h" +#include "abstractobjecthelper_p.h" +#include <QOpenGLFunctions> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class ObjectHelper : public AbstractObjectHelper +{ +public: + ObjectHelper(const QString &objectFile = QString()); + ~ObjectHelper(); + + void setObjectFile(const QString &objectFile); + + void load(); + +private: + QString m_objectFile; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/utils/shaderhelper.cpp b/src/datavisualization/utils/shaderhelper.cpp new file mode 100644 index 00000000..7df1736c --- /dev/null +++ b/src/datavisualization/utils/shaderhelper.cpp @@ -0,0 +1,241 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "shaderhelper_p.h" + +#include <QOpenGLShader> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +ShaderHelper::ShaderHelper(QObject *parent, + const QString &vertexShader, + const QString &fragmentShader, + const QString &texture, + const QString &depthTexture) + : m_caller(parent), + m_program(0), + m_vertexShaderFile(vertexShader), + m_fragmentShaderFile(fragmentShader), + m_textureFile(texture), + m_depthTextureFile(depthTexture) +{ +} + +ShaderHelper::~ShaderHelper() +{ + delete m_program; +} + +void ShaderHelper::setShaders(const QString &vertexShader, + const QString &fragmentShader) +{ + m_vertexShaderFile = vertexShader; + m_fragmentShaderFile = fragmentShader; +} + +void ShaderHelper::setTextures(const QString &texture, + const QString &depthTexture) +{ + m_textureFile = texture; + m_depthTextureFile = depthTexture; +} + +void ShaderHelper::initialize() +{ + if (m_program) + delete m_program; + m_program = new QOpenGLShaderProgram(m_caller); + if (!m_program->addShaderFromSourceFile(QOpenGLShader::Vertex, m_vertexShaderFile)) + qFatal("Compiling Vertex shader failed"); + if (!m_program->addShaderFromSourceFile(QOpenGLShader::Fragment, m_fragmentShaderFile)) + qFatal("Compiling Fragment shader failed"); + m_program->link(); + + m_positionAttr = m_program->attributeLocation("vertexPosition_mdl"); + m_normalAttr = m_program->attributeLocation("vertexNormal_mdl"); + m_uvAttr = m_program->attributeLocation("vertexUV"); + + m_mvpMatrixUniform = m_program->uniformLocation("MVP"); + m_viewMatrixUniform = m_program->uniformLocation("V"); + m_modelMatrixUniform = m_program->uniformLocation("M"); + m_invTransModelMatrixUniform = m_program->uniformLocation("itM"); + m_depthMatrixUniform = m_program->uniformLocation("depthMVP"); + m_lightPositionUniform = m_program->uniformLocation("lightPosition_wrld"); + m_lightStrengthUniform = m_program->uniformLocation("lightStrength"); + m_ambientStrengthUniform = m_program->uniformLocation("ambientStrength"); + m_shadowQualityUniform = m_program->uniformLocation("shadowQuality"); + m_colorUniform = m_program->uniformLocation("color_mdl"); + m_textureUniform = m_program->uniformLocation("textureSampler"); + m_shadowUniform = m_program->uniformLocation("shadowMap"); + + m_initialized = true; +} + +bool ShaderHelper::testCompile() +{ + if (m_program) + delete m_program; + m_program = new QOpenGLShaderProgram(m_caller); + if (!m_program->addShaderFromSourceFile(QOpenGLShader::Vertex, m_vertexShaderFile)) + return false; + if (!m_program->addShaderFromSourceFile(QOpenGLShader::Fragment, m_fragmentShaderFile)) + return false; + return true; +} + +void ShaderHelper::bind() +{ + m_program->bind(); +} + +void ShaderHelper::release() +{ + m_program->release(); +} + +void ShaderHelper::setUniformValue(GLuint uniform, const QVector3D &value) +{ + m_program->setUniformValue(uniform, value); +} + +void ShaderHelper::setUniformValue(GLuint uniform, const QVector4D &value) +{ + m_program->setUniformValue(uniform, value); +} + +void ShaderHelper::setUniformValue(GLuint uniform, const QMatrix4x4 &value) +{ + m_program->setUniformValue(uniform, value); +} + +void ShaderHelper::setUniformValue(GLuint uniform, GLfloat value) +{ + m_program->setUniformValue(uniform, value); +} + +void ShaderHelper::setUniformValue(GLuint uniform, GLint value) +{ + m_program->setUniformValue(uniform, value); +} + +GLuint ShaderHelper::MVP() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_mvpMatrixUniform; +} + +GLuint ShaderHelper::view() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_viewMatrixUniform; +} + +GLuint ShaderHelper::model() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_modelMatrixUniform; +} + +GLuint ShaderHelper::nModel() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_invTransModelMatrixUniform; +} + +GLuint ShaderHelper::depth() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_depthMatrixUniform; +} + +GLuint ShaderHelper::lightP() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_lightPositionUniform; +} + +GLuint ShaderHelper::lightS() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_lightStrengthUniform; +} + +GLuint ShaderHelper::ambientS() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_ambientStrengthUniform; +} + +GLuint ShaderHelper::shadowQ() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_shadowQualityUniform; +} + +GLuint ShaderHelper::color() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_colorUniform; +} + +GLuint ShaderHelper::texture() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_textureUniform; +} + +GLuint ShaderHelper::shadow() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_shadowUniform; +} + +GLuint ShaderHelper::posAtt() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_positionAttr; +} + +GLuint ShaderHelper::uvAtt() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_uvAttr; +} + +GLuint ShaderHelper::normalAtt() +{ + if (!m_initialized) + qFatal("Shader not initialized"); + return m_normalAttr; +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/utils/shaderhelper_p.h b/src/datavisualization/utils/shaderhelper_p.h new file mode 100644 index 00000000..73e5b9ee --- /dev/null +++ b/src/datavisualization/utils/shaderhelper_p.h @@ -0,0 +1,111 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef SHADERHELPER_P_H +#define SHADERHELPER_P_H + +#include "datavisualizationglobal_p.h" +#include <QOpenGLFunctions> + +class QOpenGLShaderProgram; + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class ShaderHelper +{ + public: + ShaderHelper(QObject *parent, + const QString &vertexShader = QString(), + const QString &fragmentShader = QString(), + const QString &texture = QString(), + const QString &depthTexture = QString()); + ~ShaderHelper(); + + void setShaders(const QString &vertexShader, const QString &fragmentShader); + void setTextures(const QString &texture, const QString &depthTexture); + + void initialize(); + bool testCompile(); + void bind(); + void release(); + void setUniformValue(GLuint uniform, const QVector3D &value); + void setUniformValue(GLuint uniform, const QVector4D &value); + void setUniformValue(GLuint uniform, const QMatrix4x4 &value); + void setUniformValue(GLuint uniform, GLfloat value); + void setUniformValue(GLuint uniform, GLint value); + + GLuint MVP(); + GLuint view(); + GLuint model(); + GLuint nModel(); + GLuint depth(); + GLuint lightP(); + GLuint lightS(); + GLuint ambientS(); + GLuint shadowQ(); + GLuint color(); + GLuint texture(); + GLuint shadow(); + + GLuint posAtt(); + GLuint uvAtt(); + GLuint normalAtt(); + + private: + QObject *m_caller; + QOpenGLShaderProgram *m_program; + + QString m_vertexShaderFile; + QString m_fragmentShaderFile; + + QString m_textureFile; + QString m_depthTextureFile; + + GLuint m_positionAttr; + GLuint m_uvAttr; + GLuint m_normalAttr; + + GLuint m_colorUniform; + GLuint m_viewMatrixUniform; + GLuint m_modelMatrixUniform; + GLuint m_invTransModelMatrixUniform; + GLuint m_depthMatrixUniform; + GLuint m_mvpMatrixUniform; + GLuint m_lightPositionUniform; + GLuint m_lightStrengthUniform; + GLuint m_ambientStrengthUniform; + GLuint m_shadowQualityUniform; + GLuint m_textureUniform; + GLuint m_shadowUniform; + + GLboolean m_initialized; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/utils/surfaceobject.cpp b/src/datavisualization/utils/surfaceobject.cpp new file mode 100644 index 00000000..f78fcec3 --- /dev/null +++ b/src/datavisualization/utils/surfaceobject.cpp @@ -0,0 +1,346 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "surfaceobject_p.h" +#include "abstractobjecthelper_p.h" + +#include <QVector3D> +#include <QVector2D> + +#include <QDebug> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +SurfaceObject::SurfaceObject() +{ + m_indicesType = GL_UNSIGNED_INT; + initializeOpenGLFunctions(); + glGenBuffers(1, &m_vertexbuffer); + glGenBuffers(1, &m_normalbuffer); + glGenBuffers(1, &m_uvbuffer); + glGenBuffers(1, &m_elementbuffer); + glGenBuffers(1, &m_gridElementbuffer); +} + +SurfaceObject::~SurfaceObject() +{ + glDeleteBuffers(1, &m_gridElementbuffer); +} + +void SurfaceObject::setUpSmoothData(const QSurfaceDataArray &dataArray, const QRect &space, + GLfloat yRange, GLfloat yMin, bool changeGeometry) +{ + m_columns = space.width(); + m_rows = space.height(); + int totalSize = m_rows * m_columns; + GLfloat xMin = dataArray.at(0)->at(0).x(); + GLfloat zMin = dataArray.at(0)->at(0).z(); + GLfloat xNormalizer = (dataArray.at(0)->last().x() - xMin) / 2.0f; + GLfloat yNormalizer = yRange / 2.0f; + GLfloat zNormalizer = (dataArray.last()->at(0).z() - zMin) / -2.0f; + GLfloat uvX = 1.0 / GLfloat(m_columns - 1); + GLfloat uvY = 1.0 / GLfloat(m_rows - 1); + + m_surfaceType = SurfaceSmooth; + + // Create/populate vertice table + if (changeGeometry) + m_vertices.resize(totalSize); + + QVector<QVector2D> uvs; + if (changeGeometry) + uvs.resize(totalSize); + int totalIndex = 0; + for (int i = 0; i < m_rows; i++) { + const QSurfaceDataRow &p = *dataArray.at(i); + for (int j = 0; j < m_columns; j++) { + const QSurfaceDataItem &data = p.at(j); + float normalizedX = ((data.x() - xMin) / xNormalizer); + float normalizedY = ((data.y() - yMin) / yNormalizer); + float normalizedZ = ((data.z() - zMin) / zNormalizer); + m_vertices[totalIndex] = QVector3D(normalizedX - 1.0f, normalizedY - 1.0f, normalizedZ + 1.0f); + if (changeGeometry) + uvs[totalIndex] = QVector2D(GLfloat(j) * uvX, GLfloat(i) * uvY); + totalIndex++; + } + } + + // Create normals + int rowLimit = m_rows - 1; + int colLimit = m_columns - 1; + int rowColLimit = rowLimit * m_columns; + int totalLimit = totalSize - 1; + if (changeGeometry) + m_normals.resize(totalSize); + + totalIndex = 0; + for (int row = 0; row < rowColLimit; row += m_columns) { + for (int j = 0; j < colLimit; j++) { + m_normals[totalIndex++] = normal(m_vertices.at(row + j), + m_vertices.at(row + j + 1), + m_vertices.at(row + m_columns + j)); + } + int p = row + colLimit; + m_normals[totalIndex++] = normal(m_vertices.at(p), + m_vertices.at(p + m_columns), + m_vertices.at(p - 1)); + } + for (int j = rowColLimit; j < totalLimit; j++) { + m_normals[totalIndex++] = normal(m_vertices.at(j), + m_vertices.at(j - m_columns), + m_vertices.at(j + 1)); + } + int p = m_rows * colLimit; + m_normals[totalIndex++] = normal(m_vertices.at(p), + m_vertices.at(p - 1), + m_vertices.at(p - m_columns - 1)); + + // Create indices table + GLint *indices = 0; + if (changeGeometry) { + m_indexCount = 6 * colLimit * rowLimit; + indices = new GLint[m_indexCount]; + p = 0; + for (int row = 0; row < rowLimit * m_columns; row += m_columns) { + for (int j = 0; j < colLimit; j++) { + // Left triangle + indices[p++] = row + j + 1; + indices[p++] = row + m_columns + j; + indices[p++] = row + j; + + // Right triangle + indices[p++] = row + m_columns + j + 1; + indices[p++] = row + m_columns + j; + indices[p++] = row + j + 1; + } + } + } + + // Create line element indices + GLint *gridIndices = 0; + if (changeGeometry) { + m_gridIndexCount = 2 * m_columns * rowLimit + 2 * m_rows * colLimit; + gridIndices = new GLint[m_gridIndexCount]; + p = 0; + for (int i = 0, row = 0; i < m_rows; i++, row += m_columns) { + for (int j = 0; j < colLimit; j++) { + gridIndices[p++] = row + j; + gridIndices[p++] = row + j + 1; + } + } + for (int i = 0, row = 0; i < rowLimit; i++, row += m_columns) { + for (int j = 0; j < m_columns; j++) { + gridIndices[p++] = row + j; + gridIndices[p++] = row + j + m_columns; + } + } + } + + createBuffers(m_vertices, uvs, m_normals, indices, gridIndices, changeGeometry); + + delete[] indices; + delete[] gridIndices; +} + + +void SurfaceObject::setUpData(const QSurfaceDataArray &dataArray, const QRect &space, + GLfloat yRange, GLfloat yMin, bool changeGeometry) +{ + m_columns = space.width(); + m_rows = space.height(); + int totalSize = m_rows * m_columns * 2; + GLfloat xMin = dataArray.at(0)->at(0).x(); + GLfloat zMin = dataArray.at(0)->at(0).z(); + GLfloat xNormalizer = (dataArray.at(0)->last().x() - xMin) / 2.0f; + GLfloat yNormalizer = yRange / 2.0f; + GLfloat zNormalizer = (dataArray.last()->at(0).z() - zMin) / -2.0f; + GLfloat uvX = 1.0 / GLfloat(m_columns - 1); + GLfloat uvY = 1.0 / GLfloat(m_rows - 1); + + m_surfaceType = SurfaceFlat; + + // Create vertice table + if (changeGeometry) + m_vertices.resize(totalSize); + + QVector<QVector2D> uvs; + if (changeGeometry) + uvs.resize(totalSize); + + int totalIndex = 0; + int rowLimit = m_rows - 1; + int colLimit = m_columns - 1; + int doubleColumns = m_columns * 2 - 2; + int rowColLimit = rowLimit * doubleColumns; + + for (int i = 0; i < m_rows; i++) { + const QSurfaceDataRow &row = *dataArray.at(i); + for (int j = 0; j < m_columns; j++) { + const QSurfaceDataItem &data = row.at(j); + float normalizedX = ((data.x() - xMin) / xNormalizer); + float normalizedY = ((data.y() - yMin) / yNormalizer); + float normalizedZ = ((data.z() - zMin) / zNormalizer); + m_vertices[totalIndex] = QVector3D(normalizedX - 1.0f, normalizedY - 1.0f, normalizedZ + 1.0f); + if (changeGeometry) + uvs[totalIndex] = QVector2D(GLfloat(j) * uvX, GLfloat(i) * uvY); + + totalIndex++; + + if (j > 0 && j < colLimit) { + m_vertices[totalIndex] = m_vertices[totalIndex - 1]; + if (changeGeometry) + uvs[totalIndex] = uvs[totalIndex - 1]; + totalIndex++; + } + } + } + + // Create normals & indices table + GLint *indices = 0; + int p = 0; + if (changeGeometry) { + int normalCount = 2 * colLimit * rowLimit; + m_indexCount = 3 * normalCount; + indices = new GLint[m_indexCount]; + m_normals.resize(normalCount); + } + + totalIndex = 0; + for (int row = 0, upperRow = doubleColumns; + row < rowColLimit; + row += doubleColumns, upperRow += doubleColumns) { + for (int j = 0; j < doubleColumns; j += 2) { + // Normal for the left triangle + m_normals[totalIndex++] = normal(m_vertices.at(row + j), + m_vertices.at(row + j + 1), + m_vertices.at(upperRow + j)); + + // Normal for the right triangle + m_normals[totalIndex++] = normal(m_vertices.at(row + j + 1), + m_vertices.at(upperRow + j + 1), + m_vertices.at(upperRow + j)); + + if (changeGeometry) { + // Left triangle + indices[p++] = row + j + 1; + indices[p++] = upperRow + j; + indices[p++] = row + j; + + // Right triangle + indices[p++] = upperRow + j + 1; + indices[p++] = upperRow + j; + indices[p++] = row + j + 1; + } + } + } + + // Create grid line element indices + GLint *gridIndices = 0; + if (changeGeometry) { + m_gridIndexCount = 2 * m_columns * rowLimit + 2 * m_rows * colLimit; + gridIndices = new GLint[m_gridIndexCount]; + p = 0; + int fullRowLimit = m_rows * doubleColumns; + for (int row = 0; row < fullRowLimit; row += doubleColumns) { + for (int j = 0; j < doubleColumns; j += 2) { + gridIndices[p++] = row + j; + gridIndices[p++] = row + j + 1; + + if (row < rowColLimit) { + gridIndices[p++] = row + j; + gridIndices[p++] = row + j + doubleColumns; + } + } + } + for (int i = doubleColumns - 1; i < rowColLimit; i += doubleColumns) { + gridIndices[p++] = i; + gridIndices[p++] = i + doubleColumns; + } + } + + createBuffers(m_vertices, uvs, m_normals, indices, gridIndices, changeGeometry); + + delete[] indices; + delete[] gridIndices; +} + +void SurfaceObject::createBuffers(const QVector<QVector3D> &vertices, const QVector<QVector2D> &uvs, + const QVector<QVector3D> &normals, const GLint *indices, + const GLint *gridIndices, bool changeGeometry) +{ + // Move to buffers + glBindBuffer(GL_ARRAY_BUFFER, m_vertexbuffer); + glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(QVector3D), + &vertices.at(0), GL_DYNAMIC_DRAW); + + glBindBuffer(GL_ARRAY_BUFFER, m_normalbuffer); + glBufferData(GL_ARRAY_BUFFER, normals.size() * sizeof(QVector3D), + &normals.at(0), GL_DYNAMIC_DRAW); + + if (changeGeometry) { + if (uvs.size()) { + glBindBuffer(GL_ARRAY_BUFFER, m_uvbuffer); + glBufferData(GL_ARRAY_BUFFER, uvs.size() * sizeof(QVector2D), + &uvs.at(0), GL_STATIC_DRAW); + } + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_elementbuffer); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_indexCount * sizeof(GLint), + indices, GL_STATIC_DRAW); + + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_gridElementbuffer); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_gridIndexCount * sizeof(GLint), + gridIndices, GL_STATIC_DRAW); + + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); + } + + glBindBuffer(GL_ARRAY_BUFFER, 0); + + m_meshDataLoaded = true; +} + +GLuint SurfaceObject::gridElementBuf() +{ + if (!m_meshDataLoaded) + qFatal("No loaded object"); + return m_gridElementbuffer; +} + +GLuint SurfaceObject::gridIndexCount() +{ + return m_gridIndexCount; +} + +QVector3D SurfaceObject::vertexAt(int column, int row) +{ + int pos = 0; + if (m_surfaceType == SurfaceFlat) + pos = row * (m_columns * 2 - 2) + column * 2 - (column > 0); + else + pos = row * m_columns + column; + return m_vertices.at(pos); +} + +QVector3D SurfaceObject::normal(const QVector3D &a, const QVector3D &b, const QVector3D &c) +{ + QVector3D v1 = b - a; + QVector3D v2 = c - a; + return QVector3D::crossProduct(v1, v2); +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/utils/surfaceobject_p.h b/src/datavisualization/utils/surfaceobject_p.h new file mode 100644 index 00000000..4f30f7c0 --- /dev/null +++ b/src/datavisualization/utils/surfaceobject_p.h @@ -0,0 +1,76 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef SURFACEOBJECT_P_H +#define SURFACEOBJECT_P_H + +#include "datavisualizationglobal_p.h" +#include "abstractobjecthelper_p.h" +#include "qsurfacedataproxy.h" + +#include <QOpenGLFunctions> +#include <QRect> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class SurfaceObject : public AbstractObjectHelper +{ +public: + SurfaceObject(); + ~SurfaceObject(); + + void setUpData(const QSurfaceDataArray &dataArray, const QRect &space, GLfloat yRange, + GLfloat yMin, bool changeGeometry); + void setUpSmoothData(const QSurfaceDataArray &dataArray, const QRect &space, GLfloat yRange, + GLfloat yMin, bool changeGeometry); + GLuint gridElementBuf(); + GLuint gridIndexCount(); + QVector3D vertexAt(int column, int row); + +private: + QVector3D normal(const QVector3D &a, const QVector3D &b, const QVector3D &c); + void createBuffers(const QVector<QVector3D> &vertices, const QVector<QVector2D> &uvs, + const QVector<QVector3D> &normals, const GLint *indices, + const GLint *gridIndices, bool changeGeometry); + +private: + enum SurfaceType { + SurfaceSmooth, + SurfaceFlat + }; + int m_surfaceType; + int m_columns; + int m_rows; + GLuint m_gridElementbuffer; + GLuint m_gridIndexCount; + QVector<QVector3D> m_vertices; + QVector<QVector3D> m_normals; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE +#endif // SURFACEOBJECT_P_H diff --git a/src/datavisualization/utils/texturehelper.cpp b/src/datavisualization/utils/texturehelper.cpp new file mode 100644 index 00000000..25fe17ac --- /dev/null +++ b/src/datavisualization/utils/texturehelper.cpp @@ -0,0 +1,376 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "texturehelper_p.h" +#include "utils_p.h" + +#include <QImage> + +#include <QDebug> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +TextureHelper::TextureHelper() +{ + initializeOpenGLFunctions(); +} + +TextureHelper::~TextureHelper() +{ +} + +GLuint TextureHelper::create2DTexture(const QImage &image, bool useTrilinearFiltering, + bool convert, bool smoothScale) +{ + if (image.isNull()) + return 0; + + QImage texImage = image; + +#if defined(Q_OS_ANDROID) + GLuint temp; + //qDebug() << "old size" << image.size(); + GLuint imageWidth = Utils::getNearestPowerOfTwo(image.width(), temp); + GLuint imageHeight = Utils::getNearestPowerOfTwo(image.height(), temp); + if (smoothScale) { + texImage = image.scaled(imageWidth, imageHeight, Qt::IgnoreAspectRatio, + Qt::SmoothTransformation); + } else { + texImage = image.scaled(imageWidth, imageHeight, Qt::IgnoreAspectRatio); + } + //qDebug() << "new size" << texImage.size(); +#endif + + GLuint textureId; + glGenTextures(1, &textureId); + glBindTexture(GL_TEXTURE_2D, textureId); + if (convert) + texImage = convertToGLFormat(texImage); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, texImage.width(), texImage.height(), + 0, GL_RGBA, GL_UNSIGNED_BYTE, texImage.bits()); + if (smoothScale) + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + else + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + if (useTrilinearFiltering) { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); + glGenerateMipmap(GL_TEXTURE_2D); + } else { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + } + glBindTexture(GL_TEXTURE_2D, 0); + return textureId; +} + +GLuint TextureHelper::createCubeMapTexture(const QImage &image, bool useTrilinearFiltering) +{ + if (image.isNull()) + return 0; + + GLuint textureId; + glGenTextures(1, &textureId); + glBindTexture(GL_TEXTURE_CUBE_MAP, textureId); + QImage glTexture = convertToGLFormat(image); + glTexImage2D(GL_TEXTURE_CUBE_MAP, 0, GL_RGBA, glTexture.width(), glTexture.height(), + 0, GL_RGBA, GL_UNSIGNED_BYTE, glTexture.bits()); + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + if (useTrilinearFiltering) { + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); + glGenerateMipmap(GL_TEXTURE_CUBE_MAP); + } else { + glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + } + glBindTexture(GL_TEXTURE_2D, 0); + return textureId; +} + +GLuint TextureHelper::createSelectionBuffer(const QSize &size, GLuint &texture, + GLuint &depthTexture) +{ + GLuint framebuffer; + + // Create frame buffer + glGenFramebuffers(1, &framebuffer); + glBindFramebuffer(GL_FRAMEBUFFER, framebuffer); + + // Create texture for the selection buffer + glGenTextures(1, &texture); + glBindTexture(GL_TEXTURE_2D, texture); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); +//#if !defined(QT_OPENGL_ES_2) +// glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size.width(), size.height(), 0, GL_RGB, +// GL_UNSIGNED_BYTE, NULL); +//#else + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, size.width(), size.height(), 0, GL_RGB, + GL_UNSIGNED_BYTE, NULL); +//#endif + + // Create texture object for the depth buffer + glGenTextures(1, &depthTexture); + glBindTexture(GL_TEXTURE_2D, depthTexture); + glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, size.width(), size.height(), + 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL); + glBindTexture(GL_TEXTURE_2D, 0); + + // Attach texture to color attachment + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture, 0); + // Attach texture to depth attachment + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, depthTexture, 0); + + // Verify that the frame buffer is complete + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + if (status != GL_FRAMEBUFFER_COMPLETE) { + qCritical() << "Frame buffer creation failed" << status; + return 0; + } + + // Restore the default framebuffer + glBindFramebuffer(GL_FRAMEBUFFER, 0); + + return framebuffer; +} + +GLuint TextureHelper::createSelectionTexture(const QSize &size, GLuint &frameBuffer, + GLuint &depthBuffer) +{ + GLuint textureid; + + // Create texture for the selection buffer + glGenTextures(1, &textureid); + glBindTexture(GL_TEXTURE_2D, textureid); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); +#if !defined(QT_OPENGL_ES_2) + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size.width(), size.height(), 0, GL_RGBA, + GL_UNSIGNED_BYTE, NULL); +#else + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, size.width(), size.height(), 0, GL_RGB, + GL_UNSIGNED_BYTE, NULL); +#endif + glBindTexture(GL_TEXTURE_2D, 0); + + // Create render buffer + if (!depthBuffer) + glGenRenderbuffers(1, &depthBuffer); + glBindRenderbuffer(GL_RENDERBUFFER, depthBuffer); +#if !defined(QT_OPENGL_ES_2) + glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, size.width(), size.height()); +#else + glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, size.width(), size.height()); +#endif + glBindRenderbuffer(GL_RENDERBUFFER, 0); + + // Create frame buffer + if (!frameBuffer) + glGenFramebuffers(1, &frameBuffer); + glBindFramebuffer(GL_FRAMEBUFFER, frameBuffer); + + // Attach texture to color attachment + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, textureid, 0); + // Attach renderbuffer to depth attachment + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depthBuffer); + + // Verify that the frame buffer is complete + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + if (status != GL_FRAMEBUFFER_COMPLETE) { + qCritical() << "Frame buffer creation failed" << status; + return 0; + } + + // Restore the default framebuffer + glBindFramebuffer(GL_FRAMEBUFFER, 0); + + return textureid; +} + +#if !defined(QT_OPENGL_ES_2) +GLuint TextureHelper::createDepthTexture(const QSize &size, GLuint &frameBuffer, GLuint textureSize) +{ + GLuint depthtextureid; + + // Create depth texture for the shadow mapping + glGenTextures(1, &depthtextureid); + glBindTexture(GL_TEXTURE_2D, depthtextureid); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB); + glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT16, size.width() * textureSize, + size.height() * textureSize, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_BYTE, NULL); + glBindTexture(GL_TEXTURE_2D, 0); + + // Create frame buffer + if (!frameBuffer) + glGenFramebuffers(1, &frameBuffer); + glBindFramebuffer(GL_FRAMEBUFFER, frameBuffer); + + // Attach texture to depth attachment + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, depthtextureid, 0); + + glDrawBuffer(GL_NONE); + glReadBuffer(GL_NONE); + + // Verify that the frame buffer is complete + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + if (status != GL_FRAMEBUFFER_COMPLETE) { + qCritical() << "Frame buffer creation failed" << status; + return 0; + } + + // Restore the default framebuffer + glBindFramebuffer(GL_FRAMEBUFFER, 0); + + return depthtextureid; +} +#endif + +void TextureHelper::deleteTexture(const GLuint *texture) +{ + glDeleteTextures(1, texture); +} + +QImage TextureHelper::convertToGLFormat(const QImage &srcImage) +{ + QImage res(srcImage.size(), QImage::Format_ARGB32); + convertToGLFormatHelper(res, srcImage.convertToFormat(QImage::Format_ARGB32), GL_RGBA); + return res; +} + +void TextureHelper::convertToGLFormatHelper(QImage &dstImage, const QImage &srcImage, + GLenum texture_format) +{ + Q_ASSERT(dstImage.depth() == 32); + Q_ASSERT(srcImage.depth() == 32); + + if (dstImage.size() != srcImage.size()) { + int target_width = dstImage.width(); + int target_height = dstImage.height(); + qreal sx = target_width / qreal(srcImage.width()); + qreal sy = target_height / qreal(srcImage.height()); + + quint32 *dest = (quint32 *) dstImage.scanLine(0); // NB! avoid detach here + uchar *srcPixels = (uchar *) srcImage.scanLine(srcImage.height() - 1); + int sbpl = srcImage.bytesPerLine(); + int dbpl = dstImage.bytesPerLine(); + + int ix = int(0x00010000 / sx); + int iy = int(0x00010000 / sy); + + quint32 basex = int(0.5 * ix); + quint32 srcy = int(0.5 * iy); + + // scale, swizzle and mirror in one loop + while (target_height--) { + const uint *src = (const quint32 *) (srcPixels - (srcy >> 16) * sbpl); + int srcx = basex; + for (int x=0; x<target_width; ++x) { + dest[x] = qt_gl_convertToGLFormatHelper(src[srcx >> 16], texture_format); + srcx += ix; + } + dest = (quint32 *)(((uchar *) dest) + dbpl); + srcy += iy; + } + } else { + const int width = srcImage.width(); + const int height = srcImage.height(); + const uint *p = (const uint*) srcImage.scanLine(srcImage.height() - 1); + uint *q = (uint*) dstImage.scanLine(0); + +#if !defined(QT_OPENGL_ES_2) + if (texture_format == GL_BGRA) { +#else + if (texture_format == GL_BGRA8_EXT) { +#endif + if (QSysInfo::ByteOrder == QSysInfo::BigEndian) { + // mirror + swizzle + for (int i=0; i < height; ++i) { + const uint *end = p + width; + while (p < end) { + *q = ((*p << 24) & 0xff000000) + | ((*p >> 24) & 0x000000ff) + | ((*p << 8) & 0x00ff0000) + | ((*p >> 8) & 0x0000ff00); + p++; + q++; + } + p -= 2 * width; + } + } else { + const uint bytesPerLine = srcImage.bytesPerLine(); + for (int i=0; i < height; ++i) { + memcpy(q, p, bytesPerLine); + q += width; + p -= width; + } + } + } else { + if (QSysInfo::ByteOrder == QSysInfo::BigEndian) { + for (int i=0; i < height; ++i) { + const uint *end = p + width; + while (p < end) { + *q = (*p << 8) | ((*p >> 24) & 0xff); + p++; + q++; + } + p -= 2 * width; + } + } else { + for (int i=0; i < height; ++i) { + const uint *end = p + width; + while (p < end) { + *q = ((*p << 16) & 0xff0000) | ((*p >> 16) & 0xff) | (*p & 0xff00ff00); + p++; + q++; + } + p -= 2 * width; + } + } + } + } +} + +QRgb TextureHelper::qt_gl_convertToGLFormatHelper(QRgb src_pixel, GLenum texture_format) +{ +#if !defined(QT_OPENGL_ES_2) + if (texture_format == GL_BGRA) { +#else + if (texture_format == GL_BGRA8_EXT) { +#endif + if (QSysInfo::ByteOrder == QSysInfo::BigEndian) { + return ((src_pixel << 24) & 0xff000000) + | ((src_pixel >> 24) & 0x000000ff) + | ((src_pixel << 8) & 0x00ff0000) + | ((src_pixel >> 8) & 0x0000ff00); + } else { + return src_pixel; + } + } else { // GL_RGBA + if (QSysInfo::ByteOrder == QSysInfo::BigEndian) { + return (src_pixel << 8) | ((src_pixel >> 24) & 0xff); + } else { + return ((src_pixel << 16) & 0xff0000) + | ((src_pixel >> 16) & 0xff) + | (src_pixel & 0xff00ff00); + } + } +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/utils/texturehelper_p.h b/src/datavisualization/utils/texturehelper_p.h new file mode 100644 index 00000000..f7779b59 --- /dev/null +++ b/src/datavisualization/utils/texturehelper_p.h @@ -0,0 +1,70 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef TEXTUREHELPER_P_H +#define TEXTUREHELPER_P_H + +#include "datavisualizationglobal_p.h" +#include <QOpenGLFunctions> +#include <QRgb> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class TextureHelper : protected QOpenGLFunctions +{ + public: + TextureHelper(); + ~TextureHelper(); + + // Ownership of created texture is transferred to caller + GLuint create2DTexture(const QImage &image, bool useTrilinearFiltering = false, + bool convert = true, bool smoothScale = true); + GLuint createCubeMapTexture(const QImage &image, bool useTrilinearFiltering = false); + // Returns selection framebuffer and inserts generated texture id to texture parameters + GLuint createSelectionBuffer(const QSize &size, GLuint &texture, GLuint &depthTexture); + // Returns selection texture and inserts generated framebuffers to framebuffer parameters + GLuint createSelectionTexture(const QSize &size, GLuint &frameBuffer, GLuint &depthBuffer); +#if !defined(QT_OPENGL_ES_2) + // Returns depth texture and inserts generated framebuffer to parameter + GLuint createDepthTexture(const QSize &size, GLuint &frameBuffer, GLuint textureSize = 1); +#endif + void deleteTexture(const GLuint *texture); + + private: + QImage convertToGLFormat(const QImage &srcImage); + void convertToGLFormatHelper(QImage &dstImage, const QImage &srcImage, GLenum texture_format); + QRgb qt_gl_convertToGLFormatHelper(QRgb src_pixel, GLenum texture_format); + + friend class Bars3DRenderer; + friend class Surface3DRenderer; + friend class Scatter3DRenderer; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/utils/utils.cpp b/src/datavisualization/utils/utils.cpp new file mode 100644 index 00000000..947dbfba --- /dev/null +++ b/src/datavisualization/utils/utils.cpp @@ -0,0 +1,263 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "utils_p.h" + +#include <QVector3D> +#include <QColor> +#include <QPainter> +#include <QPoint> +#include <QImage> +#include <QRegExp> +#include <qmath.h> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +#define NUM_IN_POWER(y, x) for (;y<x;y<<=1) +#define MIN_POWER 32 + +GLuint Utils::getNearestPowerOfTwo(GLuint value, GLuint &padding) +{ + GLuint powOfTwoValue = MIN_POWER; + NUM_IN_POWER(powOfTwoValue, value); + padding = powOfTwoValue - value; + return powOfTwoValue; +} + +QVector3D Utils::vectorFromColor(const QColor &color) +{ + return QVector3D(color.redF(), color.greenF(), color.blueF()); +} + +QImage Utils::printTextToImage(const QFont &font, const QString &text, const QColor &bgrColor, + const QColor &txtColor, QDataVis::LabelStyle style, + bool borders, int maxLabelWidth) +{ + GLuint paddingWidth = 20; + GLuint paddingHeight = 20; + // Calculate text dimensions + QFont valueFont = font; + valueFont.setPointSize(textureFontSize); + QFontMetrics valueFM(valueFont); + int valueStrWidth = valueFM.width(text); + if (maxLabelWidth && QDataVis::LabelStyleTransparent != style) + valueStrWidth = maxLabelWidth; + int valueStrHeight = valueFM.height(); + valueStrWidth += paddingWidth / 2; // Fix clipping problem with skewed fonts (italic or italic-style) + QSize labelSize; + +#if defined(Q_OS_ANDROID) + // Android can't handle textures with dimensions not in power of 2. Resize labels accordingly. + // Add some padding before converting to power of two to avoid too tight fit + GLuint prePadding = 5; + // Android needs to use this always (when given) because of the power of 2 -issue. + if (maxLabelWidth) + valueStrWidth = maxLabelWidth + paddingWidth / 2; + labelSize = QSize(valueStrWidth + prePadding, valueStrHeight + prePadding); + //qDebug() << "label size before padding" << text << labelSize; + labelSize.setWidth(getNearestPowerOfTwo(labelSize.width(), paddingWidth)); + labelSize.setHeight(getNearestPowerOfTwo(labelSize.height(), paddingHeight)); + //qDebug() << "label size after padding" << labelSize << paddingWidth << paddingHeight; +#else + if (QDataVis::LabelStyleTransparent == style) + labelSize = QSize(valueStrWidth, valueStrHeight); + else + labelSize = QSize(valueStrWidth + paddingWidth * 2, valueStrHeight + paddingHeight * 2); +#endif + + // Create image + QImage image = QImage(labelSize, QImage::Format_ARGB32); + image.fill(Qt::transparent); + + // Init painter + QPainter painter(&image); + // Paint text + painter.setRenderHint(QPainter::Antialiasing, true); + painter.setCompositionMode(QPainter::CompositionMode_Source); + painter.setFont(valueFont); + switch (style) { + case QDataVis::LabelStyleTransparent: { + painter.setPen(txtColor); +#if defined(Q_OS_ANDROID) + painter.drawText((labelSize.width() - valueStrWidth) / 2.0f, + (labelSize.height() - valueStrHeight) / 2.0f, + valueStrWidth, valueStrHeight, + Qt::AlignCenter | Qt::AlignVCenter, + text); +#else + painter.drawText(0, 0, + valueStrWidth, valueStrHeight, + Qt::AlignCenter | Qt::AlignVCenter, + text); +#endif + break; + } + case QDataVis::LabelStyleFromTheme: { + painter.setBrush(QBrush(bgrColor)); + if (borders) { + painter.setPen(QPen(QBrush(txtColor), 5, Qt::SolidLine, Qt::SquareCap, Qt::RoundJoin)); + painter.drawRoundedRect(5, 5, labelSize.width() - 10, labelSize.height() - 10, + 10.0, 10.0); + } else { + painter.setPen(bgrColor); + painter.drawRoundedRect(0, 0, labelSize.width(), labelSize.height(), 10.0, 10.0); + } + painter.setPen(txtColor); + painter.drawText((labelSize.width() - valueStrWidth) / 2.0f, + (labelSize.height() - valueStrHeight) / 2.0f, + valueStrWidth, valueStrHeight, + Qt::AlignCenter | Qt::AlignVCenter, + text); + break; + } + case QDataVis::LabelStyleOpaque: { + QColor labelColor = QColor(bgrColor); + labelColor.setAlphaF(1.0); + painter.setBrush(QBrush(labelColor)); + if (borders) { + painter.setPen(QPen(QBrush(txtColor), 7, Qt::SolidLine, Qt::SquareCap, Qt::MiterJoin)); + painter.drawRect(7, 7, labelSize.width() - 14, labelSize.height() - 14); + } else { + painter.setPen(labelColor); + painter.drawRect(0, 0, labelSize.width(), labelSize.height()); + } + painter.setPen(txtColor); + painter.drawText((labelSize.width() - valueStrWidth) / 2.0f, + (labelSize.height() - valueStrHeight) / 2.0f, + valueStrWidth, valueStrHeight, + Qt::AlignCenter | Qt::AlignVCenter, + text); + break; + } + } + return image; +} + +QVector3D Utils::getSelection(QPoint mousepos, int height) +{ + QVector3D selectedColor; + + //#if defined(QT_OPENGL_ES_2) + // This is the only one that works with ANGLE (ES 2.0) + // Item count will be limited to 256*256*256 + GLubyte pixel[4]; + glReadPixels(mousepos.x(), height - mousepos.y(), 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, + (void *)pixel); + + //qDebug() << "rgba" << pixel[0] << pixel[1] << pixel[2] << pixel[3] << "mousepos:" << mousepos << "height:" << height; + + //#else + // These work with desktop OpenGL + // They offer a lot higher possible object count and a possibility to use object ids + //GLuint pixel[3]; + //glReadPixels(mousepos.x(), height - mousepos.y(), 1, 1, + // GL_RGB, GL_UNSIGNED_INT, (void *)pixel); + //qDebug() << "rgba" << pixel[0] << pixel[1] << pixel[2];// << pixel[3]; + + //GLfloat pixel3[3]; + //glReadPixels(mousepos.x(), height - mousepos.y(), 1, 1, + // GL_RGB, GL_FLOAT, (void *)pixel3); + //qDebug() << "rgba" << pixel3[0] << pixel3[1] << pixel3[2];// << pixel[3]; + //#endif + selectedColor = QVector3D(pixel[0], pixel[1], pixel[2]); + //qDebug() << selectedColor; + + return selectedColor; +} + +Utils::ParamType Utils::mapFormatCharToParamType(const QChar &formatChar) +{ + ParamType retVal = ParamTypeUnknown; + if (formatChar == QLatin1Char('d') + || formatChar == QLatin1Char('i') + || formatChar == QLatin1Char('c')) { + retVal = ParamTypeInt; + } else if (formatChar == QLatin1Char('u') + || formatChar == QLatin1Char('o') + || formatChar == QLatin1Char('x') + || formatChar == QLatin1Char('X')) { + retVal = ParamTypeUInt; + } else if (formatChar == QLatin1Char('f') + || formatChar == QLatin1Char('F') + || formatChar == QLatin1Char('e') + || formatChar == QLatin1Char('E') + || formatChar == QLatin1Char('g') + || formatChar == QLatin1Char('G')) { + retVal = ParamTypeReal; + } + + return retVal; +} + +Utils::ParamType Utils::findFormatParamType(const QString &format) +{ + static QRegExp formatMatcher(QStringLiteral("%[\\-\\+#\\s\\d\\.lhjztL]*([dicuoxfegXFEG])")); + + if (formatMatcher.indexIn(format, 0) != -1) { + QString capStr = formatMatcher.cap(1); + if (capStr.isEmpty()) + return ParamTypeUnknown; + else + return mapFormatCharToParamType(capStr.at(0)); + } + + return ParamTypeUnknown; +} + +QString Utils::formatLabel(const QByteArray &format, ParamType paramType, qreal value) +{ + switch (paramType) { + case ParamTypeInt: + return QString().sprintf(format, (qint64)value); + case ParamTypeUInt: + return QString().sprintf(format, (quint64)value); + case ParamTypeReal: + return QString().sprintf(format, value); + default: + return QString::fromUtf8(format); // To detect errors + } +} + +QString Utils::defaultLabelFormat() +{ + static const QString defaultFormat(QStringLiteral("%.2f")); + return defaultFormat; +} + +qreal Utils::wrapValue(qreal value, qreal min, qreal max) +{ + if (value > max) { + value = min + (value - max); + + // In case single wrap fails, jump to opposite end. + if (value > max) + value = min; + } + + if (value < min) { + value = max + (value - min); + + // In case single wrap fails, jump to opposite end. + if (value < min) + value = max; + } + + return value; +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/utils/utils.pri b/src/datavisualization/utils/utils.pri new file mode 100644 index 00000000..cef5ebf0 --- /dev/null +++ b/src/datavisualization/utils/utils.pri @@ -0,0 +1,19 @@ +HEADERS += $$PWD/meshloader_p.h \ + $$PWD/vertexindexer_p.h \ + $$PWD/camerahelper_p.h \ + $$PWD/shaderhelper_p.h \ + $$PWD/objecthelper_p.h \ + $$PWD/texturehelper_p.h \ + $$PWD/utils_p.h \ + $$PWD/abstractobjecthelper_p.h \ + $$PWD/surfaceobject_p.h + +SOURCES += $$PWD/meshloader.cpp \ + $$PWD/vertexindexer.cpp \ + $$PWD/camerahelper.cpp \ + $$PWD/shaderhelper.cpp \ + $$PWD/objecthelper.cpp \ + $$PWD/texturehelper.cpp \ + $$PWD/utils.cpp \ + $$PWD/abstractobjecthelper.cpp \ + $$PWD/surfaceobject.cpp diff --git a/src/datavisualization/utils/utils_p.h b/src/datavisualization/utils/utils_p.h new file mode 100644 index 00000000..e74b590d --- /dev/null +++ b/src/datavisualization/utils/utils_p.h @@ -0,0 +1,79 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef UTILS_P_H +#define UTILS_P_H + +#include "datavisualizationglobal_p.h" +#include "q3dbars.h" + +class QVector3D; +class QColor; +class QPainter; +class QString; +class QPoint; +class QImage; + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class Utils +{ +public: + enum ParamType { + ParamTypeUnknown = 0, + ParamTypeInt, + ParamTypeUInt, + ParamTypeReal + }; + + static GLuint getNearestPowerOfTwo(GLuint value, GLuint &padding); + static QVector3D vectorFromColor(const QColor &color); + static void printText(QPainter *painter, const QString &text, const QSize &position, + bool absoluteCoords = true, qreal rotation = 0, qreal scale = 1.0f); + static QImage printTextToImage(const QFont &font, + const QString &text, + const QColor &bgrColor, + const QColor &txtColor, + QDataVis::LabelStyle style, + bool borders = false, + int maxLabelWidth = 0); + static QVector3D getSelection(QPoint mousepos, int height); + + static ParamType findFormatParamType(const QString &format); + static QString formatLabel(const QByteArray &format, ParamType paramType, qreal value); + static QString defaultLabelFormat(); + + static qreal wrapValue(qreal value, qreal min, qreal max); + +private: + static ParamType mapFormatCharToParamType(const QChar &formatChar); +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif diff --git a/src/datavisualization/utils/vertexindexer.cpp b/src/datavisualization/utils/vertexindexer.cpp new file mode 100644 index 00000000..63b9faaf --- /dev/null +++ b/src/datavisualization/utils/vertexindexer.cpp @@ -0,0 +1,153 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#include "vertexindexer_p.h" + +#include <string.h> // for memcmp +#include <qmath.h> + +#include <QDebug> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +int unique_vertices = 0; + +// Returns true if v1 can be considered equal to v2 +bool VertexIndexer::is_near(float v1, float v2) +{ + return qAbs(v1 - v2) < 0.01f; +} + +// Searches through all already-exported vertices +// for a similar one. +// Similar = same position + same UVs + same normal +bool VertexIndexer::getSimilarVertexIndex(const QVector3D &in_vertex, + const QVector2D &in_uv, + const QVector3D &in_normal, + QVector<QVector3D> &out_vertices, + QVector<QVector2D> &out_uvs, + QVector<QVector3D> &out_normals, + unsigned short &result) +{ + // Lame linear search + for (int i = 0; i < out_vertices.size(); i++) { + if (is_near(in_vertex.x() , out_vertices[i].x()) + && is_near(in_vertex.y() , out_vertices[i].y()) + && is_near(in_vertex.z() , out_vertices[i].z()) + && is_near(in_uv.x() , out_uvs [i].x()) + && is_near(in_uv.y() , out_uvs [i].y()) + && is_near(in_normal.x() , out_normals [i].x()) + && is_near(in_normal.y() , out_normals [i].y()) + && is_near(in_normal.z() , out_normals [i].z())) { + result = i; + return true; + } + } + // No other vertex could be used instead. + // Looks like we'll have to add it to the VBO. + return false; +} + +bool VertexIndexer::getSimilarVertexIndex_fast(const PackedVertex &packed, + QMap<PackedVertex, unsigned short> &VertexToOutIndex, + unsigned short &result) +{ + QMap<PackedVertex, unsigned short>::iterator it = VertexToOutIndex.find(packed); + if (it == VertexToOutIndex.end()) { + return false; + } else { + result = it.value(); + return true; + } +} + +void VertexIndexer::indexVBO(const QVector<QVector3D> &in_vertices, + const QVector<QVector2D> &in_uvs, + const QVector<QVector3D> &in_normals, + QVector<unsigned short> &out_indices, + QVector<QVector3D> &out_vertices, + QVector<QVector2D> &out_uvs, + QVector<QVector3D> &out_normals) +{ + unique_vertices = 0; + QMap<PackedVertex, unsigned short> VertexToOutIndex; + + // For each input vertex + for (int i = 0; i < in_vertices.size(); i++) { + PackedVertex packed = {in_vertices[i], in_uvs[i], in_normals[i]}; + + // Try to find a similar vertex in out_XXXX + unsigned short index; + bool found = getSimilarVertexIndex_fast(packed, VertexToOutIndex, index); + + if (found) { + out_indices.append(index); + } else { + unique_vertices++; + out_vertices.append(in_vertices[i]); + out_uvs.append(in_uvs[i]); + out_normals.append(in_normals[i]); + unsigned short newindex = (unsigned short)out_vertices.size() - 1; + out_indices.append(newindex); + VertexToOutIndex[packed] = newindex; + } + } + //qDebug() << "unique vertices" << unique_vertices; +} + +void VertexIndexer::indexVBO_TBN(const QVector<QVector3D> &in_vertices, + const QVector<QVector2D> &in_uvs, + const QVector<QVector3D> &in_normals, + const QVector<QVector3D> &in_tangents, + const QVector<QVector3D> &in_bitangents, + QVector<unsigned short> &out_indices, + QVector<QVector3D> &out_vertices, + QVector<QVector2D> &out_uvs, + QVector<QVector3D> &out_normals, + QVector<QVector3D> &out_tangents, + QVector<QVector3D> &out_bitangents) +{ + unique_vertices = 0; + // For each input vertex + for (int i = 0; i < in_vertices.size(); i++) { + + // Try to find a similar vertex in out_XXXX + unsigned short index; + bool found = getSimilarVertexIndex(in_vertices[i], in_uvs[i], in_normals[i], + out_vertices, out_uvs, out_normals, index); + + if (found) { + out_indices.append(index); + + // Average the tangents and the bitangents + out_tangents[index] += in_tangents[i]; + out_bitangents[index] += in_bitangents[i]; + } else { + unique_vertices++; + out_vertices.append(in_vertices[i]); + out_uvs.append(in_uvs[i]); + out_normals.append(in_normals[i]); + out_tangents.append(in_tangents[i]); + out_bitangents.append(in_bitangents[i]); + out_indices.append((unsigned short)out_vertices.size() - 1); + } + } + //qDebug() << "unique vertices" << unique_vertices; +} + +QT_DATAVISUALIZATION_END_NAMESPACE diff --git a/src/datavisualization/utils/vertexindexer_p.h b/src/datavisualization/utils/vertexindexer_p.h new file mode 100644 index 00000000..0cf1857b --- /dev/null +++ b/src/datavisualization/utils/vertexindexer_p.h @@ -0,0 +1,88 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVisualization module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the QtDataVisualization API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef VERTEXINDEXER_P_H +#define VERTEXINDEXER_P_H + +#include "datavisualizationglobal_p.h" + +#include <QVector> +#include <QVector2D> +#include <QVector3D> + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +class VertexIndexer +{ + public: + struct PackedVertex { + QVector3D position; + QVector2D uv; + QVector3D normal; + bool operator<(const PackedVertex that) const { + return memcmp((void*)this, (void*)&that, sizeof(PackedVertex)) > 0; + } + }; + + static void indexVBO(const QVector<QVector3D> &in_vertices, + const QVector<QVector2D> &in_uvs, + const QVector<QVector3D> &in_normals, + QVector<unsigned short> &out_indices, + QVector<QVector3D> &out_vertices, + QVector<QVector2D> &out_uvs, + QVector<QVector3D> &out_normals); + + static void indexVBO_TBN(const QVector<QVector3D> &in_vertices, + const QVector<QVector2D> &in_uvs, + const QVector<QVector3D> &in_normals, + const QVector<QVector3D> &in_tangents, + const QVector<QVector3D> &in_bitangents, + QVector<unsigned short> &out_indices, + QVector<QVector3D> &out_vertices, + QVector<QVector2D> &out_uvs, + QVector<QVector3D> &out_normals, + QVector<QVector3D> &out_tangents, + QVector<QVector3D> &out_bitangents); + + private: + static bool is_near(float v1, float v2); + static bool getSimilarVertexIndex(const QVector3D &in_vertex, + const QVector2D &in_uv, + const QVector3D &in_normal, + QVector<QVector3D> &out_vertices, + QVector<QVector2D> &out_uvs, + QVector<QVector3D> &out_normals, + unsigned short &result); + static bool getSimilarVertexIndex_fast(const PackedVertex &packed, + QMap<PackedVertex, unsigned short> &VertexToOutIndex, + unsigned short &result); +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif |
