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Diffstat (limited to 'src/datavis3d/engine/surface3drenderer_p.h')
| -rw-r--r-- | src/datavis3d/engine/surface3drenderer_p.h | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/datavis3d/engine/surface3drenderer_p.h b/src/datavis3d/engine/surface3drenderer_p.h new file mode 100644 index 00000000..f2fb120a --- /dev/null +++ b/src/datavis3d/engine/surface3drenderer_p.h @@ -0,0 +1,189 @@ +/**************************************************************************** +** +** 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 QtDataVis3D 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 QtDataVis3D 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 "datavis3dglobal_p.h" +#include "surface3dcontroller_p.h" + +class QOpenGLShaderProgram; + +QT_DATAVIS3D_BEGIN_NAMESPACE + +class ShaderHelper; +class ObjectHelper; +class SurfaceObject; +class TextureHelper; +class Theme; +class Drawer; +class CameraHelper; + +class QT_DATAVIS3D_EXPORT Surface3dRenderer : public QObject, protected QOpenGLFunctions +{ + Q_OBJECT + +public: + enum MousePressType { + MouseNone = 0, + MouseOnScene, + MouseOnOverview, + MouseOnZoom, + MouseRotating, + MouseOnPinch + }; + + Surface3dController *m_controller; + + // Interaction related parameters // TODO: Moved to controller + MousePressType m_mousePressed; + QPoint m_mousePos; + QDataVis::SelectionMode m_selectionMode; + + // Visual parameters + QRect m_boundingRect; + Theme m_cachedTheme; + QDataVis::LabelTransparency m_labelTransparency; + QFont m_font; + bool m_isGridEnabled; + bool m_isBackgroundEnabled; + QDataVis::ShadowQuality m_shadowQuality; + bool m_hasNegativeValues; + +private: + // Data parameters + QList<qreal> m_series; // TODO: TEMP + GLint m_segmentYCount; + GLfloat m_segmentYStep; + GLint m_segmentXCount; + GLint m_segmentZCount; + + // Internal attributes purely related to how the scene is drawn with GL. + QRect m_mainViewPort; + QRect m_sliceViewPort; + ShaderHelper *m_backgroundShader; + ShaderHelper *m_surfaceShader; + ShaderHelper *m_surfaceGridShader; + ShaderHelper *m_selectionShader; + TextureHelper *m_textureHelper; + bool m_isInitialized; + GLfloat m_yRange; // m_heightNormalizer + GLfloat m_yAdjustment; + GLfloat m_xLength; + GLfloat m_zLength; + GLfloat m_maxDimension; + GLfloat m_scaleFactor; + GLfloat m_scaleX; + GLfloat m_scaleZ; + GLfloat m_maxSceneSize; + ObjectHelper *m_backgroundObj; + ObjectHelper *m_gridLineObj; + 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; + + Drawer *m_drawer; + +public: + explicit Surface3dRenderer(Surface3dController *controller); + ~Surface3dRenderer(); + + void initializeOpenGL(); + void render(CameraHelper *camera, const GLuint defaultFboHandle = 0); + + // TODO: Not thread-safe, needs rethinking how axes create labels + Drawer *drawer() { return m_drawer; } + +public slots: + void updateTheme(Theme theme); + void updateSmoothStatus(bool enable); + void updateSurfaceGridStatus(bool enable); + void updateSurfaceGradient(); + void updateSegmentCount(GLint segmentCount, GLfloat step, GLfloat minimum = 0.0f); + + void getSelection(); + +public: + // Size + const QSize size(); + const QRect boundingRect(); + void setBoundingRect(const QRect boundingRect); + void setWidth(const int width); + int width(); + void setHeight(const int height); + int height(); + void setX(const int x); + int x(); + void setY(const int y); + int y(); + + void handleResize(); + +#if !defined(QT_OPENGL_ES_2) + void updateDepthBuffer(); +#endif + void loadBackgroundMesh(); + void loadGridLineMesh(); + void loadSurfaceObj(); + + // TODO: temp + void setXZStuff(GLint segmentXCount, GLint segmentZCount); + void setSeries(QList<qreal> series); + +private: + void drawScene(CameraHelper *camera, const GLuint defaultFboHandle); + void calculateSceneScalingFactors(); + void initBackgroundShaders(const QString &vertexShader, const QString &fragmentShader); + void initSelectionShaders(); + void initSurfaceShaders(); + 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); + + Q_DISABLE_COPY(Surface3dRenderer) +}; + +QT_DATAVIS3D_END_NAMESPACE + +#endif // SURFACE3DRENDERER_P_H |