| /**************************************************************************** |
| ** |
| ** 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. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| // |
| // 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 "scatterrenderitem_p.h" |
| |
| QT_FORWARD_DECLARE_CLASS(QSizeF) |
| |
| QT_BEGIN_NAMESPACE_DATAVISUALIZATION |
| |
| class ShaderHelper; |
| class Q3DScene; |
| class ScatterSeriesRenderCache; |
| class QScatterDataItem; |
| |
| class QT_DATAVISUALIZATION_EXPORT Scatter3DRenderer : public Abstract3DRenderer |
| { |
| Q_OBJECT |
| |
| private: |
| // Internal state |
| ScatterRenderItem *m_selectedItem; // points to renderitem array |
| bool m_updateLabels; |
| ShaderHelper *m_dotShader; |
| ShaderHelper *m_dotGradientShader; |
| ShaderHelper *m_staticSelectedItemGradientShader; |
| ShaderHelper *m_staticSelectedItemShader; |
| ShaderHelper *m_pointShader; |
| ShaderHelper *m_depthShader; |
| ShaderHelper *m_selectionShader; |
| ShaderHelper *m_backgroundShader; |
| ShaderHelper *m_staticGradientPointShader; |
| GLuint m_bgrTexture; |
| GLuint m_selectionTexture; |
| GLuint m_depthFrameBuffer; |
| GLuint m_selectionFrameBuffer; |
| GLuint m_selectionDepthBuffer; |
| GLfloat m_shadowQualityToShader; |
| GLint m_shadowQualityMultiplier; |
| float m_scaleX; |
| float m_scaleY; |
| float m_scaleZ; |
| int m_selectedItemIndex; |
| ScatterSeriesRenderCache *m_selectedSeriesCache; |
| ScatterSeriesRenderCache *m_oldSelectedSeriesCache; |
| GLfloat m_dotSizeScale; |
| ScatterRenderItem m_dummyRenderItem; |
| GLfloat m_maxItemSize; |
| int m_clickedIndex; |
| bool m_havePointSeries; |
| bool m_haveMeshSeries; |
| bool m_haveUniformColorMeshSeries; |
| bool m_haveGradientMeshSeries; |
| |
| public: |
| explicit Scatter3DRenderer(Scatter3DController *controller); |
| ~Scatter3DRenderer(); |
| |
| void updateData(); |
| void updateSeries(const QList<QAbstract3DSeries *> &seriesList); |
| SeriesRenderCache *createNewCache(QAbstract3DSeries *series); |
| void updateItems(const QVector<Scatter3DController::ChangeItem> &items); |
| void updateScene(Q3DScene *scene); |
| void updateAxisLabels(QAbstract3DAxis::AxisOrientation orientation, |
| const QStringList &labels); |
| void updateAxisTitleVisibility(QAbstract3DAxis::AxisOrientation orientation, |
| bool visible); |
| void updateOptimizationHint(QAbstract3DGraph::OptimizationHints hint); |
| void updateMargin(float margin); |
| |
| QVector3D convertPositionToTranslation(const QVector3D &position, bool isAbsolute); |
| |
| inline int clickedIndex() const { return m_clickedIndex; } |
| void resetClickedStatus(); |
| |
| void render(GLuint defaultFboHandle); |
| |
| public Q_SLOTS: |
| void updateSelectedItem(int index, QScatter3DSeries *series); |
| |
| protected: |
| void contextCleanup(); |
| virtual void initializeOpenGL(); |
| virtual void fixCameraTarget(QVector3D &target); |
| virtual void getVisibleItemBounds(QVector3D &minBounds, QVector3D &maxBounds); |
| |
| private: |
| virtual void initShaders(const QString &vertexShader, const QString &fragmentShader); |
| virtual void initGradientShaders(const QString &vertexShader, const QString &fragmentShader); |
| virtual void initStaticSelectedItemShaders(const QString &vertexShader, |
| const QString &fragmentShader, |
| const QString &gradientVertexShader, |
| const QString &gradientFragmentShader); |
| virtual void updateShadowQuality(QAbstract3DGraph::ShadowQuality quality); |
| virtual void updateTextures(); |
| virtual void fixMeshFileName(QString &fileName, QAbstract3DSeries::Mesh mesh); |
| |
| void drawScene(GLuint defaultFboHandle); |
| void drawLabels(bool drawSelection, const Q3DCamera *activeCamera, |
| const QMatrix4x4 &viewMatrix, const QMatrix4x4 &projectionMatrix); |
| |
| void loadBackgroundMesh(); |
| void initSelectionShader(); |
| void initBackgroundShaders(const QString &vertexShader, const QString &fragmentShader); |
| void initStaticPointShaders(const QString &vertexShader, const QString &fragmentShader); |
| void initSelectionBuffer(); |
| void initDepthShader(); |
| void updateDepthBuffer(); |
| void initPointShader(); |
| void calculateTranslation(ScatterRenderItem &item); |
| void calculateSceneScalingFactors(); |
| |
| void selectionColorToSeriesAndIndex(const QVector4D &color, int &index, |
| QAbstract3DSeries *&series); |
| inline void updateRenderItem(const QScatterDataItem &dataItem, ScatterRenderItem &renderItem); |
| |
| Q_DISABLE_COPY(Scatter3DRenderer) |
| }; |
| |
| QT_END_NAMESPACE_DATAVISUALIZATION |
| |
| #endif |