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/****************************************************************************
**
** 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 ABSTRACT3DRENDERER_P_H
#define ABSTRACT3DRENDERER_P_H
#include <QtGui/QOpenGLFunctions>
#include <QtGui/QFont>
#include "datavis3dglobal_p.h"
#include "abstract3dcontroller_p.h"
#include "axisrendercache_p.h"
#include "qabstractdataproxy.h"
QT_DATAVIS3D_BEGIN_NAMESPACE
class Abstract3DRenderer : public QObject, protected QOpenGLFunctions
{
protected:
Abstract3DController *m_controller;
bool m_isInitialized;
bool m_hasNegativeValues;
QRect m_cachedBoundingRect;
QDataVis::ShadowQuality m_cachedShadowQuality;
Theme m_cachedTheme;
QFont m_cachedFont;
QDataVis::LabelTransparency m_cachedLabelTransparency;
Drawer *m_drawer;
GLfloat m_autoScaleAdjustment;
QString m_cachedItemLabelFormat;
QString m_cachedObjFile;
QDataVis::SelectionMode m_cachedSelectionMode;
bool m_cachedIsGridEnabled;
bool m_cachedIsBackgroundEnabled;
int m_cachedZoomLevel;
AxisRenderCache m_axisCacheX;
AxisRenderCache m_axisCacheY;
AxisRenderCache m_axisCacheZ;
Abstract3DRenderer(Abstract3DController *controller);
virtual void initializeOpenGL();
public:
inline bool isInitialized() { return m_isInitialized; }
virtual void updateBoundingRect(const QRect boundingRect);
virtual void updatePosition(const QRect boundingRect);
virtual void handleResize();
virtual void updateZoomLevel(int newZoomLevel);
virtual void updateTheme(Theme theme);
virtual void updateFont(const QFont &font);
virtual void updateLabelTransparency(QDataVis::LabelTransparency transparency);
virtual void updateSelectionMode(QDataVis::SelectionMode newMode);
virtual void updateGridEnabled(bool enable);
virtual void updateBackgroundEnabled(bool enable);
virtual void updateMeshFileName(const QString &objFileName);
virtual void handleShadowQualityChange();
void updateDataModel(QAbstractDataProxy *dataProxy);
virtual QString itemLabelFormat() const;
virtual void requestSelectionAtPoint(const QPoint &point) = 0;
virtual void updateTextures() = 0;
virtual void initSelectionBuffer() = 0;
#if !defined(QT_OPENGL_ES_2)
virtual void updateDepthBuffer() = 0;
#endif
virtual void updateShadowQuality(QDataVis::ShadowQuality quality) = 0;
virtual void initShaders(const QString &vertexShader, const QString &fragmentShader) = 0;
virtual void initBackgroundShaders(const QString &vertexShader, const QString &fragmentShader) = 0;
virtual void updateAxisType(QAbstractAxis::AxisOrientation orientation, QAbstractAxis::AxisType type);
virtual void updateAxisTitle(QAbstractAxis::AxisOrientation orientation, const QString &title);
virtual void updateAxisLabels(QAbstractAxis::AxisOrientation orientation, const QStringList &labels);
virtual void updateAxisRange(QAbstractAxis::AxisOrientation orientation, qreal min, qreal max);
virtual void updateAxisSegmentCount(QAbstractAxis::AxisOrientation orientation, int count);
virtual void updateAxisSubSegmentCount(QAbstractAxis::AxisOrientation orientation, int count);
AxisRenderCache &axisCacheForOrientation(QAbstractAxis::AxisOrientation orientation);
public:
/**
* @brief render Implements OpenGL rendering that occurs in the rendering thread.
* @param defaultFboHandle Defaults FBO handle (defaults to 0).
*/
virtual void render(CameraHelper *camera, const GLuint defaultFboHandle) = 0;
};
QT_DATAVIS3D_END_NAMESPACE
#endif // ABSTRACT3DRENDERER_P_H
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