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Diffstat (limited to 'src/datavisualization/engine/drawer_p.h')
-rw-r--r-- | src/datavisualization/engine/drawer_p.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/datavisualization/engine/drawer_p.h b/src/datavisualization/engine/drawer_p.h new file mode 100644 index 00000000..3b3e7a1c --- /dev/null +++ b/src/datavisualization/engine/drawer_p.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 +** +****************************************************************************/ + +// +// 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::LabelTransparency transparency); + ~Drawer(); + + void initializeOpenGL(); + + void setTheme(const Theme &theme); + void setFont(const QFont &font); + QFont font() const; + void setTransparency(QDataVis::LabelTransparency transparency); + + 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::LabelTransparency m_transparency; + TextureHelper *m_textureHelper; +}; + +QT_DATAVISUALIZATION_END_NAMESPACE + +#endif |