summaryrefslogtreecommitdiffstats
path: root/src/datavisualization/engine/scatter3drenderer_p.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/datavisualization/engine/scatter3drenderer_p.h')
-rw-r--r--src/datavisualization/engine/scatter3drenderer_p.h155
1 files changed, 155 insertions, 0 deletions
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