Module renamed

Task-number: QTRD-2224

Change-Id: Iec18b6121809300b11d85445281d3c626c434f35
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>

1 files changed, 164 insertions, 0 deletions

diff --git a/src/datavisualization/engine/surface3drenderer_p.h b/src/datavisualization/engine/surface3drenderer_p.h
new file mode 100644
index 00000000..23e9fbb1
--- /dev/null
+++ b/src/datavisualization/engine/surface3drenderer_p.h
@@ -0,0 +1,164 @@
+/****************************************************************************
+**
+** 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 SURFACE3DRENDERER_P_H
+#define SURFACE3DRENDERER_P_H
+
+#include <QtCore/QSize>
+#include <QtCore/QObject>
+#include <QtGui/QOpenGLFunctions>
+#include <QtGui/QFont>
+#include <QLinearGradient>
+#include <QWindow>
+
+#include "datavisualizationglobal_p.h"
+#include "surface3dcontroller_p.h"
+#include "abstract3drenderer_p.h"
+#include "scatterrenderitem_p.h"
+#include "qsurfacedataproxy.h"
+
+class QOpenGLShaderProgram;
+
+QT_DATAVISUALIZATION_BEGIN_NAMESPACE
+
+class ShaderHelper;
+class ObjectHelper;
+class SurfaceObject;
+class TextureHelper;
+class Theme;
+class Drawer;
+class Q3DScene;
+class SelectionPointer;
+
+class QT_DATAVISUALIZATION_EXPORT Surface3DRenderer : public Abstract3DRenderer
+{
+    Q_OBJECT
+
+public:
+    Surface3DController *m_controller;
+
+    // Visual parameters
+    QRect m_boundingRect;
+    Theme m_cachedTheme;
+    QDataVis::LabelTransparency m_labelTransparency;
+    QFont m_font;
+    bool m_isGridEnabled;
+    QDataVis::ShadowQuality m_shadowQuality;
+
+private:
+    // Data parameters
+    QList<qreal> m_series; // TODO: TEMP
+    GLint m_segmentYCount;
+    GLfloat m_segmentYStep;
+
+    // Internal attributes purely related to how the scene is drawn with GL.
+    QRect m_mainViewPort;
+    ShaderHelper *m_shader;
+    ShaderHelper *m_backgroundShader;
+    ShaderHelper *m_surfaceShader;
+    ShaderHelper *m_surfaceGridShader;
+    ShaderHelper *m_selectionShader;
+    ShaderHelper *m_labelShader;
+    GLfloat m_heightNormalizer;
+    GLfloat m_scaleFactor;
+    GLfloat m_scaleX;
+    GLfloat m_scaleZ;
+    ObjectHelper *m_backgroundObj;
+    ObjectHelper *m_gridLineObj;
+    ObjectHelper *m_labelObj;
+    SurfaceObject *m_surfaceObj;
+    GLuint m_depthTexture;
+    GLuint m_depthFrameBuffer;
+    GLuint m_selectionFrameBuffer;
+    GLuint m_selectionDepthBuffer;
+    GLuint m_gradientTexture;
+    GLuint m_selectionTexture;
+    GLuint m_selectionResultTexture;
+    GLfloat m_shadowQualityToShader;
+    bool m_querySelection;
+    bool m_cachedSmoothSurface;
+    bool m_cachedSurfaceGridOn;
+    SelectionPointer *m_selectionPointer;
+    bool m_selectionActive;
+    bool m_xFlipped;
+    bool m_zFlipped;
+    bool m_yFlipped;
+    ScatterRenderItem m_dummyRenderItem; // Let's use scatter for dummy for now
+    QSurfaceDataArray m_dataArray;
+    QRect m_sampleSpace;
+
+public:
+    explicit Surface3DRenderer(Surface3DController *controller);
+    ~Surface3DRenderer();
+
+    void updateDataModel(QSurfaceDataProxy *dataProxy);
+    void updateScene(Q3DScene *scene);
+    void render(GLuint defaultFboHandle = 0);
+
+protected:
+    void initializeOpenGL();
+    virtual void loadMeshFile();
+
+public slots:
+    void updateSmoothStatus(bool enable);
+    void updateSurfaceGridStatus(bool enable);
+    void updateSurfaceGradient();
+    virtual void requestSelectionAtPoint(const QPoint &point);
+
+private:
+    virtual void updateShadowQuality(QDataVis::ShadowQuality quality);
+    virtual void updateTextures();
+    virtual void initShaders(const QString &vertexShader, const QString &fragmentShader);
+    void loadBackgroundMesh();
+    void loadGridLineMesh();
+    void loadLabelMesh();
+    void loadSurfaceObj();
+    void drawScene(GLuint defaultFboHandle);
+    void handleResize();
+    void calculateSceneScalingFactors();
+    void initBackgroundShaders(const QString &vertexShader, const QString &fragmentShader);
+    void initLabelShaders(const QString &vertexShader, const QString &fragmentShader);
+    void initSelectionShaders();
+    void initSurfaceShaders();
+    void initSelectionBuffer();
+    void updateSelectionTexture();
+    void idToRGBA(uint id, uchar *r, uchar *g, uchar *b, uchar *a);
+    void fillIdCorner(uchar *p, uchar r, uchar g, uchar b, uchar a, int stride);
+    void surfacePointSelected(int id);
+    void surfacePointCleared();
+    QVector3D normalize(float x, float y, float z);
+#if !defined(QT_OPENGL_ES_2)
+    void updateDepthBuffer();
+#endif
+
+    Q_DISABLE_COPY(Surface3DRenderer)
+};
+
+QT_DATAVISUALIZATION_END_NAMESPACE
+
+#endif // SURFACE3DRENDERER_P_H