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29 | |
30 | // |
31 | // W A R N I N G |
32 | // ------------- |
33 | // |
34 | // This file is not part of the QtDataVisualization API. It exists purely as an |
35 | // implementation detail. This header file may change from version to |
36 | // version without notice, or even be removed. |
37 | // |
38 | // We mean it. |
39 | |
40 | #ifndef Q3DSCATTERRENDERER_P_H |
41 | #define Q3DSCATTERRENDERER_P_H |
42 | |
43 | #include "datavisualizationglobal_p.h" |
44 | #include "scatter3dcontroller_p.h" |
45 | #include "abstract3drenderer_p.h" |
46 | #include "scatterrenderitem_p.h" |
47 | |
48 | QT_FORWARD_DECLARE_CLASS(QSizeF) |
49 | |
50 | QT_BEGIN_NAMESPACE_DATAVISUALIZATION |
51 | |
52 | class ShaderHelper; |
53 | class Q3DScene; |
54 | class ScatterSeriesRenderCache; |
55 | class QScatterDataItem; |
56 | |
57 | class QT_DATAVISUALIZATION_EXPORT Scatter3DRenderer : public Abstract3DRenderer |
58 | { |
59 | Q_OBJECT |
60 | |
61 | private: |
62 | // Internal state |
63 | ScatterRenderItem *m_selectedItem; // points to renderitem array |
64 | bool m_updateLabels; |
65 | ShaderHelper *m_dotShader; |
66 | ShaderHelper *m_dotGradientShader; |
67 | ShaderHelper *m_staticSelectedItemGradientShader; |
68 | ShaderHelper *m_staticSelectedItemShader; |
69 | ShaderHelper *m_pointShader; |
70 | ShaderHelper *m_depthShader; |
71 | ShaderHelper *m_selectionShader; |
72 | ShaderHelper *m_backgroundShader; |
73 | ShaderHelper *m_staticGradientPointShader; |
74 | GLuint m_bgrTexture; |
75 | GLuint m_selectionTexture; |
76 | GLuint m_depthFrameBuffer; |
77 | GLuint m_selectionFrameBuffer; |
78 | GLuint m_selectionDepthBuffer; |
79 | GLfloat m_shadowQualityToShader; |
80 | GLint m_shadowQualityMultiplier; |
81 | float m_scaleX; |
82 | float m_scaleY; |
83 | float m_scaleZ; |
84 | int m_selectedItemIndex; |
85 | ScatterSeriesRenderCache *m_selectedSeriesCache; |
86 | ScatterSeriesRenderCache *m_oldSelectedSeriesCache; |
87 | GLfloat m_dotSizeScale; |
88 | ScatterRenderItem m_dummyRenderItem; |
89 | GLfloat m_maxItemSize; |
90 | int m_clickedIndex; |
91 | bool m_havePointSeries; |
92 | bool m_haveMeshSeries; |
93 | bool m_haveUniformColorMeshSeries; |
94 | bool m_haveGradientMeshSeries; |
95 | |
96 | public: |
97 | explicit Scatter3DRenderer(Scatter3DController *controller); |
98 | ~Scatter3DRenderer(); |
99 | |
100 | void updateData(); |
101 | void updateSeries(const QList<QAbstract3DSeries *> &seriesList); |
102 | SeriesRenderCache *createNewCache(QAbstract3DSeries *series); |
103 | void updateItems(const QVector<Scatter3DController::ChangeItem> &items); |
104 | void updateScene(Q3DScene *scene); |
105 | void updateAxisLabels(QAbstract3DAxis::AxisOrientation orientation, |
106 | const QStringList &labels); |
107 | void updateAxisTitleVisibility(QAbstract3DAxis::AxisOrientation orientation, |
108 | bool visible); |
109 | void updateOptimizationHint(QAbstract3DGraph::OptimizationHints hint); |
110 | void updateMargin(float margin); |
111 | |
112 | QVector3D convertPositionToTranslation(const QVector3D &position, bool isAbsolute); |
113 | |
114 | inline int clickedIndex() const { return m_clickedIndex; } |
115 | void resetClickedStatus(); |
116 | |
117 | void render(GLuint defaultFboHandle); |
118 | |
119 | public Q_SLOTS: |
120 | void updateSelectedItem(int index, QScatter3DSeries *series); |
121 | |
122 | protected: |
123 | void contextCleanup(); |
124 | virtual void initializeOpenGL(); |
125 | virtual void fixCameraTarget(QVector3D &target); |
126 | virtual void getVisibleItemBounds(QVector3D &minBounds, QVector3D &maxBounds); |
127 | |
128 | private: |
129 | virtual void initShaders(const QString &vertexShader, const QString &fragmentShader); |
130 | virtual void initGradientShaders(const QString &vertexShader, const QString &fragmentShader); |
131 | virtual void initStaticSelectedItemShaders(const QString &vertexShader, |
132 | const QString &fragmentShader, |
133 | const QString &gradientVertexShader, |
134 | const QString &gradientFragmentShader); |
135 | virtual void updateShadowQuality(QAbstract3DGraph::ShadowQuality quality); |
136 | virtual void updateTextures(); |
137 | virtual void fixMeshFileName(QString &fileName, QAbstract3DSeries::Mesh mesh); |
138 | |
139 | void drawScene(GLuint defaultFboHandle); |
140 | void drawLabels(bool drawSelection, const Q3DCamera *activeCamera, |
141 | const QMatrix4x4 &viewMatrix, const QMatrix4x4 &projectionMatrix); |
142 | |
143 | void loadBackgroundMesh(); |
144 | void initSelectionShader(); |
145 | void initBackgroundShaders(const QString &vertexShader, const QString &fragmentShader); |
146 | void initStaticPointShaders(const QString &vertexShader, const QString &fragmentShader); |
147 | void initSelectionBuffer(); |
148 | void initDepthShader(); |
149 | void updateDepthBuffer(); |
150 | void initPointShader(); |
151 | void calculateTranslation(ScatterRenderItem &item); |
152 | void calculateSceneScalingFactors(); |
153 | |
154 | void selectionColorToSeriesAndIndex(const QVector4D &color, int &index, |
155 | QAbstract3DSeries *&series); |
156 | inline void updateRenderItem(const QScatterDataItem &dataItem, ScatterRenderItem &renderItem); |
157 | |
158 | Q_DISABLE_COPY(Scatter3DRenderer) |
159 | }; |
160 | |
161 | QT_END_NAMESPACE_DATAVISUALIZATION |
162 | |
163 | #endif |
164 | |