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Diffstat (limited to 'examples/datavisualization/bars/graphmodifier.cpp')
| -rw-r--r-- | examples/datavisualization/bars/graphmodifier.cpp | 436 |
1 files changed, 0 insertions, 436 deletions
diff --git a/examples/datavisualization/bars/graphmodifier.cpp b/examples/datavisualization/bars/graphmodifier.cpp deleted file mode 100644 index 9a187620..00000000 --- a/examples/datavisualization/bars/graphmodifier.cpp +++ /dev/null @@ -1,436 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Data Visualization module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:GPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3 or (at your option) any later version -** approved by the KDE Free Qt Foundation. The licenses are as published by -** the Free Software Foundation and appearing in the file LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "graphmodifier.h" -#include <QtDataVisualization/qcategory3daxis.h> -#include <QtDataVisualization/qvalue3daxis.h> -#include <QtDataVisualization/qbardataproxy.h> -#include <QtDataVisualization/q3dscene.h> -#include <QtDataVisualization/q3dcamera.h> -#include <QtDataVisualization/qbar3dseries.h> -#include <QtDataVisualization/q3dtheme.h> -#include <QtCore/QTime> -#include <QtWidgets/QComboBox> -#include <QtCore/qmath.h> - -const QString celsiusString = QString(QChar(0xB0)) + "C"; - -//! [0] -GraphModifier::GraphModifier(Q3DBars *bargraph) - : m_graph(bargraph), - m_xRotation(0.0f), - m_yRotation(0.0f), - m_fontSize(30), - m_segments(4), - m_subSegments(3), - m_minval(-20.0f), - m_maxval(20.0f), - //! [1] - m_temperatureAxis(new QValue3DAxis), - m_yearAxis(new QCategory3DAxis), - m_monthAxis(new QCategory3DAxis), - m_primarySeries(new QBar3DSeries), - m_secondarySeries(new QBar3DSeries), - //! [1] - m_barMesh(QAbstract3DSeries::MeshBevelBar), - m_smooth(false) -{ - //! [2] - m_graph->setShadowQuality(QAbstract3DGraph::ShadowQualitySoftMedium); - m_graph->activeTheme()->setBackgroundEnabled(false); - m_graph->activeTheme()->setFont(QFont("Times New Roman", m_fontSize)); - m_graph->activeTheme()->setLabelBackgroundEnabled(true); - m_graph->setMultiSeriesUniform(true); - //! [2] - - m_months << "January" << "February" << "March" << "April" << "May" << "June" << "July" << "August" << "September" << "October" << "November" << "December"; - m_years << "2006" << "2007" << "2008" << "2009" << "2010" << "2011" << "2012" << "2013"; - - //! [3] - m_temperatureAxis->setTitle("Average temperature"); - m_temperatureAxis->setSegmentCount(m_segments); - m_temperatureAxis->setSubSegmentCount(m_subSegments); - m_temperatureAxis->setRange(m_minval, m_maxval); - m_temperatureAxis->setLabelFormat(QString(QStringLiteral("%.1f ") + celsiusString)); - m_temperatureAxis->setLabelAutoRotation(30.0f); - m_temperatureAxis->setTitleVisible(true); - - m_yearAxis->setTitle("Year"); - m_yearAxis->setLabelAutoRotation(30.0f); - m_yearAxis->setTitleVisible(true); - m_monthAxis->setTitle("Month"); - m_monthAxis->setLabelAutoRotation(30.0f); - m_monthAxis->setTitleVisible(true); - - m_graph->setValueAxis(m_temperatureAxis); - m_graph->setRowAxis(m_yearAxis); - m_graph->setColumnAxis(m_monthAxis); - //! [3] - - //! [8] - m_primarySeries->setItemLabelFormat(QStringLiteral("Oulu - @colLabel @rowLabel: @valueLabel")); - m_primarySeries->setMesh(QAbstract3DSeries::MeshBevelBar); - m_primarySeries->setMeshSmooth(false); - - m_secondarySeries->setItemLabelFormat(QStringLiteral("Helsinki - @colLabel @rowLabel: @valueLabel")); - m_secondarySeries->setMesh(QAbstract3DSeries::MeshBevelBar); - m_secondarySeries->setMeshSmooth(false); - m_secondarySeries->setVisible(false); - //! [8] - - //! [4] - m_graph->addSeries(m_primarySeries); - m_graph->addSeries(m_secondarySeries); - //! [4] - - //! [6] - changePresetCamera(); - //! [6] - - //! [9] - resetTemperatureData(); - //! [9] - - // Set up property animations for zooming to the selected bar - //! [12] - Q3DCamera *camera = m_graph->scene()->activeCamera(); - m_defaultAngleX = camera->xRotation(); - m_defaultAngleY = camera->yRotation(); - m_defaultZoom = camera->zoomLevel(); - m_defaultTarget = camera->target(); - - m_animationCameraX.setTargetObject(camera); - m_animationCameraY.setTargetObject(camera); - m_animationCameraZoom.setTargetObject(camera); - m_animationCameraTarget.setTargetObject(camera); - - m_animationCameraX.setPropertyName("xRotation"); - m_animationCameraY.setPropertyName("yRotation"); - m_animationCameraZoom.setPropertyName("zoomLevel"); - m_animationCameraTarget.setPropertyName("target"); - - int duration = 1700; - m_animationCameraX.setDuration(duration); - m_animationCameraY.setDuration(duration); - m_animationCameraZoom.setDuration(duration); - m_animationCameraTarget.setDuration(duration); - - // The zoom always first zooms out above the graph and then zooms in - qreal zoomOutFraction = 0.3; - m_animationCameraX.setKeyValueAt(zoomOutFraction, QVariant::fromValue(0.0f)); - m_animationCameraY.setKeyValueAt(zoomOutFraction, QVariant::fromValue(90.0f)); - m_animationCameraZoom.setKeyValueAt(zoomOutFraction, QVariant::fromValue(50.0f)); - m_animationCameraTarget.setKeyValueAt(zoomOutFraction, - QVariant::fromValue(QVector3D(0.0f, 0.0f, 0.0f))); - //! [12] -} -//! [0] - -GraphModifier::~GraphModifier() -{ - delete m_graph; -} - -void GraphModifier::resetTemperatureData() -{ - //! [5] - // Set up data - static const float tempOulu[8][12] = { - {-6.7f, -11.7f, -9.7f, 3.3f, 9.2f, 14.0f, 16.3f, 17.8f, 10.2f, 2.1f, -2.6f, -0.3f}, // 2006 - {-6.8f, -13.3f, 0.2f, 1.5f, 7.9f, 13.4f, 16.1f, 15.5f, 8.2f, 5.4f, -2.6f, -0.8f}, // 2007 - {-4.2f, -4.0f, -4.6f, 1.9f, 7.3f, 12.5f, 15.0f, 12.8f, 7.6f, 5.1f, -0.9f, -1.3f}, // 2008 - {-7.8f, -8.8f, -4.2f, 0.7f, 9.3f, 13.2f, 15.8f, 15.5f, 11.2f, 0.6f, 0.7f, -8.4f}, // 2009 - {-14.4f, -12.1f, -7.0f, 2.3f, 11.0f, 12.6f, 18.8f, 13.8f, 9.4f, 3.9f, -5.6f, -13.0f}, // 2010 - {-9.0f, -15.2f, -3.8f, 2.6f, 8.3f, 15.9f, 18.6f, 14.9f, 11.1f, 5.3f, 1.8f, -0.2f}, // 2011 - {-8.7f, -11.3f, -2.3f, 0.4f, 7.5f, 12.2f, 16.4f, 14.1f, 9.2f, 3.1f, 0.3f, -12.1f}, // 2012 - {-7.9f, -5.3f, -9.1f, 0.8f, 11.6f, 16.6f, 15.9f, 15.5f, 11.2f, 4.0f, 0.1f, -1.9f} // 2013 - }; - - static const float tempHelsinki[8][12] = { - {-3.7f, -7.8f, -5.4f, 3.4f, 10.7f, 15.4f, 18.6f, 18.7f, 14.3f, 8.5f, 2.9f, 4.1f}, // 2006 - {-1.2f, -7.5f, 3.1f, 5.5f, 10.3f, 15.9f, 17.4f, 17.9f, 11.2f, 7.3f, 1.1f, 0.5f}, // 2007 - {-0.6f, 1.2f, 0.2f, 6.3f, 10.2f, 13.8f, 18.1f, 15.1f, 10.1f, 9.4f, 2.5f, 0.4f}, // 2008 - {-2.9f, -3.5f, -0.9f, 4.7f, 10.9f, 14.0f, 17.4f, 16.8f, 13.2f, 4.1f, 2.6f, -2.3f}, // 2009 - {-10.2f, -8.0f, -1.9f, 6.6f, 11.3f, 14.5f, 21.0f, 18.8f, 12.6f, 6.1f, -0.5f, -7.3f}, // 2010 - {-4.4f, -9.1f, -2.0f, 5.5f, 9.9f, 15.6f, 20.8f, 17.8f, 13.4f, 8.9f, 3.6f, 1.5f}, // 2011 - {-3.5f, -3.2f, -0.7f, 4.0f, 11.1f, 13.4f, 17.3f, 15.8f, 13.1f, 6.4f, 4.1f, -5.1f}, // 2012 - {-4.8f, -1.8f, -5.0f, 2.9f, 12.8f, 17.2f, 18.0f, 17.1f, 12.5f, 7.5f, 4.5f, 2.3f} // 2013 - }; - - // Create data arrays - QBarDataArray *dataSet = new QBarDataArray; - QBarDataArray *dataSet2 = new QBarDataArray; - QBarDataRow *dataRow; - QBarDataRow *dataRow2; - - dataSet->reserve(m_years.size()); - for (int year = 0; year < m_years.size(); year++) { - // Create a data row - dataRow = new QBarDataRow(m_months.size()); - dataRow2 = new QBarDataRow(m_months.size()); - for (int month = 0; month < m_months.size(); month++) { - // Add data to the row - (*dataRow)[month].setValue(tempOulu[year][month]); - (*dataRow2)[month].setValue(tempHelsinki[year][month]); - } - // Add the row to the set - dataSet->append(dataRow); - dataSet2->append(dataRow2); - } - - // Add data to the data proxy (the data proxy assumes ownership of it) - m_primarySeries->dataProxy()->resetArray(dataSet, m_years, m_months); - m_secondarySeries->dataProxy()->resetArray(dataSet2, m_years, m_months); - //! [5] -} - -void GraphModifier::changeRange(int range) -{ - if (range >= m_years.count()) - m_yearAxis->setRange(0, m_years.count() - 1); - else - m_yearAxis->setRange(range, range); -} - -void GraphModifier::changeStyle(int style) -{ - QComboBox *comboBox = qobject_cast<QComboBox *>(sender()); - if (comboBox) { - m_barMesh = QAbstract3DSeries::Mesh(comboBox->itemData(style).toInt()); - m_primarySeries->setMesh(m_barMesh); - m_secondarySeries->setMesh(m_barMesh); - } -} - -void GraphModifier::changePresetCamera() -{ - m_animationCameraX.stop(); - m_animationCameraY.stop(); - m_animationCameraZoom.stop(); - m_animationCameraTarget.stop(); - - // Restore camera target in case animation has changed it - m_graph->scene()->activeCamera()->setTarget(QVector3D(0.0f, 0.0f, 0.0f)); - - //! [10] - static int preset = Q3DCamera::CameraPresetFront; - - m_graph->scene()->activeCamera()->setCameraPreset((Q3DCamera::CameraPreset)preset); - - if (++preset > Q3DCamera::CameraPresetDirectlyBelow) - preset = Q3DCamera::CameraPresetFrontLow; - //! [10] -} - -void GraphModifier::changeTheme(int theme) -{ - Q3DTheme *currentTheme = m_graph->activeTheme(); - currentTheme->setType(Q3DTheme::Theme(theme)); - emit backgroundEnabledChanged(currentTheme->isBackgroundEnabled()); - emit gridEnabledChanged(currentTheme->isGridEnabled()); - emit fontChanged(currentTheme->font()); - emit fontSizeChanged(currentTheme->font().pointSize()); -} - -void GraphModifier::changeLabelBackground() -{ - m_graph->activeTheme()->setLabelBackgroundEnabled(!m_graph->activeTheme()->isLabelBackgroundEnabled()); -} - -void GraphModifier::changeSelectionMode(int selectionMode) -{ - QComboBox *comboBox = qobject_cast<QComboBox *>(sender()); - if (comboBox) { - int flags = comboBox->itemData(selectionMode).toInt(); - m_graph->setSelectionMode(QAbstract3DGraph::SelectionFlags(flags)); - } -} - -void GraphModifier::changeFont(const QFont &font) -{ - QFont newFont = font; - m_graph->activeTheme()->setFont(newFont); -} - -void GraphModifier::changeFontSize(int fontsize) -{ - m_fontSize = fontsize; - QFont font = m_graph->activeTheme()->font(); - font.setPointSize(m_fontSize); - m_graph->activeTheme()->setFont(font); -} - -void GraphModifier::shadowQualityUpdatedByVisual(QAbstract3DGraph::ShadowQuality sq) -{ - int quality = int(sq); - // Updates the UI component to show correct shadow quality - emit shadowQualityChanged(quality); -} - -void GraphModifier::changeLabelRotation(int rotation) -{ - m_temperatureAxis->setLabelAutoRotation(float(rotation)); - m_monthAxis->setLabelAutoRotation(float(rotation)); - m_yearAxis->setLabelAutoRotation(float(rotation)); -} - -void GraphModifier::setAxisTitleVisibility(bool enabled) -{ - m_temperatureAxis->setTitleVisible(enabled); - m_monthAxis->setTitleVisible(enabled); - m_yearAxis->setTitleVisible(enabled); -} - -void GraphModifier::setAxisTitleFixed(bool enabled) -{ - m_temperatureAxis->setTitleFixed(enabled); - m_monthAxis->setTitleFixed(enabled); - m_yearAxis->setTitleFixed(enabled); -} - -//! [11] -void GraphModifier::zoomToSelectedBar() -{ - m_animationCameraX.stop(); - m_animationCameraY.stop(); - m_animationCameraZoom.stop(); - m_animationCameraTarget.stop(); - - Q3DCamera *camera = m_graph->scene()->activeCamera(); - float currentX = camera->xRotation(); - float currentY = camera->yRotation(); - float currentZoom = camera->zoomLevel(); - QVector3D currentTarget = camera->target(); - - m_animationCameraX.setStartValue(QVariant::fromValue(currentX)); - m_animationCameraY.setStartValue(QVariant::fromValue(currentY)); - m_animationCameraZoom.setStartValue(QVariant::fromValue(currentZoom)); - m_animationCameraTarget.setStartValue(QVariant::fromValue(currentTarget)); - - QPoint selectedBar = m_graph->selectedSeries() - ? m_graph->selectedSeries()->selectedBar() - : QBar3DSeries::invalidSelectionPosition(); - - if (selectedBar != QBar3DSeries::invalidSelectionPosition()) { - // Normalize selected bar position within axis range to determine target coordinates - //! [13] - QVector3D endTarget; - float xMin = m_graph->columnAxis()->min(); - float xRange = m_graph->columnAxis()->max() - xMin; - float zMin = m_graph->rowAxis()->min(); - float zRange = m_graph->rowAxis()->max() - zMin; - endTarget.setX((selectedBar.y() - xMin) / xRange * 2.0f - 1.0f); - endTarget.setZ((selectedBar.x() - zMin) / zRange * 2.0f - 1.0f); - //! [13] - - // Rotate the camera so that it always points approximately to the graph center - //! [15] - qreal endAngleX = 90.0 - qRadiansToDegrees(qAtan(qreal(endTarget.z() / endTarget.x()))); - if (endTarget.x() > 0.0f) - endAngleX -= 180.0f; - float barValue = m_graph->selectedSeries()->dataProxy()->itemAt(selectedBar.x(), - selectedBar.y())->value(); - float endAngleY = barValue >= 0.0f ? 30.0f : -30.0f; - if (m_graph->valueAxis()->reversed()) - endAngleY *= -1.0f; - //! [15] - - m_animationCameraX.setEndValue(QVariant::fromValue(float(endAngleX))); - m_animationCameraY.setEndValue(QVariant::fromValue(endAngleY)); - m_animationCameraZoom.setEndValue(QVariant::fromValue(250)); - //! [14] - m_animationCameraTarget.setEndValue(QVariant::fromValue(endTarget)); - //! [14] - } else { - // No selected bar, so return to the default view - m_animationCameraX.setEndValue(QVariant::fromValue(m_defaultAngleX)); - m_animationCameraY.setEndValue(QVariant::fromValue(m_defaultAngleY)); - m_animationCameraZoom.setEndValue(QVariant::fromValue(m_defaultZoom)); - m_animationCameraTarget.setEndValue(QVariant::fromValue(m_defaultTarget)); - } - - m_animationCameraX.start(); - m_animationCameraY.start(); - m_animationCameraZoom.start(); - m_animationCameraTarget.start(); -} -//! [11] - -void GraphModifier::changeShadowQuality(int quality) -{ - QAbstract3DGraph::ShadowQuality sq = QAbstract3DGraph::ShadowQuality(quality); - m_graph->setShadowQuality(sq); - emit shadowQualityChanged(quality); -} - -//! [7] -void GraphModifier::rotateX(int rotation) -{ - m_xRotation = rotation; - m_graph->scene()->activeCamera()->setCameraPosition(m_xRotation, m_yRotation); -} - -void GraphModifier::rotateY(int rotation) -{ - m_yRotation = rotation; - m_graph->scene()->activeCamera()->setCameraPosition(m_xRotation, m_yRotation); -} -//! [7] - -void GraphModifier::setBackgroundEnabled(int enabled) -{ - m_graph->activeTheme()->setBackgroundEnabled(bool(enabled)); -} - -void GraphModifier::setGridEnabled(int enabled) -{ - m_graph->activeTheme()->setGridEnabled(bool(enabled)); -} - -void GraphModifier::setSmoothBars(int smooth) -{ - m_smooth = bool(smooth); - m_primarySeries->setMeshSmooth(m_smooth); - m_secondarySeries->setMeshSmooth(m_smooth); -} - -void GraphModifier::setSeriesVisibility(int enabled) -{ - m_secondarySeries->setVisible(bool(enabled)); -} - -void GraphModifier::setReverseValueAxis(int enabled) -{ - m_graph->valueAxis()->setReversed(enabled); -} - -void GraphModifier::setReflection(bool enabled) -{ - m_graph->setReflection(enabled); -} |