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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtQuick3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGLPAINTER_H
#define QGLPAINTER_H
#include <QtOpenGL/qgl.h>
#include "qglnamespace.h"
#include <QtGui/qvector2d.h>
#include <QtGui/qvector3d.h>
#include <QtGui/qvector4d.h>
#include <QtGui/qmatrix4x4.h>
#include "qbox3d.h"
#include "qopenglfunctions.h"
#include "qglvertexbundle.h"
#include "qglindexbuffer.h"
#include "qgllightmodel.h"
#include "qgllightparameters.h"
#include "qglmaterial.h"
#include "qglabstractsurface.h"
#include "qmatrix4x4stack.h"
#include "qglcamera.h"
#include "qvector2darray.h"
#include "qvector3darray.h"
#include "qvector4darray.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Qt3D)
class QGLAbstractEffect;
class QGLPainterPrivate;
class QGLTexture2D;
class QGLTextureCube;
class QGeometryData;
class QGLShaderProgram;
class QGLFramebufferObject;
class QGLSceneNode;
class QGLRenderSequencer;
class QGLAbstractSurface;
class Q_QT3D_EXPORT QGLPainter : public QOpenGLFunctions
{
public:
QGLPainter();
explicit QGLPainter(const QGLContext *context);
explicit QGLPainter(QGLWidget *widget);
explicit QGLPainter(QPainter *painter);
explicit QGLPainter(QGLAbstractSurface *surface);
virtual ~QGLPainter();
bool begin();
bool begin(const QGLContext *context);
bool begin(QGLWidget *widget);
bool begin(QPainter *painter);
bool begin(QGLAbstractSurface *surface);
bool end();
bool isActive() const;
const QGLContext *context() const;
bool isFixedFunction() const;
enum Update
{
UpdateColor = 0x00000001,
UpdateModelViewMatrix = 0x00000002,
UpdateProjectionMatrix = 0x00000004,
UpdateMatrices = 0x00000006,
UpdateLights = 0x00000008,
UpdateMaterials = 0x00000010,
UpdateViewport = 0x00000020,
UpdateAll = 0x7FFFFFFF
};
Q_DECLARE_FLAGS(Updates, Update);
void setClearColor(const QColor& color);
void setScissor(const QRect& rect);
QMatrix4x4Stack& projectionMatrix();
QMatrix4x4Stack& modelViewMatrix();
QMatrix4x4 combinedMatrix() const;
QMatrix3x3 normalMatrix() const;
QMatrix4x4 worldMatrix() const;
QGL::Eye eye() const;
void setEye(QGL::Eye eye);
void setCamera(const QGLCamera *camera);
bool isCullable(const QVector3D& point) const;
bool isCullable(const QBox3D& box) const;
QGLRenderSequencer *renderSequencer();
qreal aspectRatio() const;
QGLAbstractEffect *effect() const;
QGLAbstractEffect *userEffect() const;
void setUserEffect(QGLAbstractEffect *effect);
QGL::StandardEffect standardEffect() const;
void setStandardEffect(QGL::StandardEffect effect);
void disableEffect();
QGLShaderProgram *cachedProgram(const QString& name) const;
void setCachedProgram(const QString& name, QGLShaderProgram *program);
QColor color() const;
void setColor(const QColor& color);
QGLAttributeSet attributes() const;
void clearAttributes();
void setVertexAttribute
(QGL::VertexAttribute attribute, const QGLAttributeValue& value);
void setVertexBundle(const QGLVertexBundle& buffer);
void update();
void updateFixedFunction(QGLPainter::Updates updates);
void draw(QGL::DrawingMode mode, int count, int index = 0);
void draw(QGL::DrawingMode mode, const ushort *indices, int count);
void draw(QGL::DrawingMode mode, const QGLIndexBuffer& indices);
virtual void draw(QGL::DrawingMode mode, const QGLIndexBuffer& indices, int offset, int count);
void pushSurface(QGLAbstractSurface *surface);
QGLAbstractSurface *popSurface();
void setSurface(QGLAbstractSurface *surface);
QGLAbstractSurface *currentSurface() const;
const QGLLightModel *lightModel() const;
void setLightModel(const QGLLightModel *value);
const QGLLightParameters *mainLight() const;
void setMainLight(const QGLLightParameters *parameters);
void setMainLight
(const QGLLightParameters *parameters, const QMatrix4x4& transform);
QMatrix4x4 mainLightTransform() const;
int addLight(const QGLLightParameters *parameters);
int addLight(const QGLLightParameters *parameters, const QMatrix4x4 &transform);
void removeLight(int lightId);
int maximumLightId() const;
const QGLLightParameters *light(int lightId) const;
QMatrix4x4 lightTransform(int lightId) const;
const QGLMaterial *faceMaterial(QGL::Face face) const;
void setFaceMaterial(QGL::Face face, const QGLMaterial *value);
void setFaceColor(QGL::Face face, const QColor& color);
bool isPicking() const;
void setPicking(bool value);
int objectPickId() const;
void setObjectPickId(int value);
void clearPickObjects();
QColor pickColor() const;
int pickObject(int x, int y) const;
private:
Q_DISABLE_COPY(QGLPainter)
QGLPainterPrivate *d_ptr;
QGLPainterPrivate *d_func() const { return d_ptr; }
friend class QGLAbstractEffect;
bool begin(const QGLContext *context, QGLAbstractSurface *surface,
bool destroySurface = true);
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QGLPainter::Updates)
QT_END_NAMESPACE
QT_END_HEADER
#endif
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