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**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtOpenGL 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.
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**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGLPIXELBUFFER_H
#define QGLPIXELBUFFER_H
#include <QtOpenGL/qgl.h>
#include <QtGui/qpaintdevice.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(OpenGL)
class QGLPixelBufferPrivate;
class Q_OPENGL_EXPORT QGLPixelBuffer : public QPaintDevice
{
Q_DECLARE_PRIVATE(QGLPixelBuffer)
public:
QGLPixelBuffer(const QSize &size, const QGLFormat &format = QGLFormat::defaultFormat(),
QGLWidget *shareWidget = 0);
QGLPixelBuffer(int width, int height, const QGLFormat &format = QGLFormat::defaultFormat(),
QGLWidget *shareWidget = 0);
virtual ~QGLPixelBuffer();
bool isValid() const;
bool makeCurrent();
bool doneCurrent();
GLuint generateDynamicTexture() const;
bool bindToDynamicTexture(GLuint texture);
void releaseFromDynamicTexture();
void updateDynamicTexture(GLuint texture_id) const;
GLuint bindTexture(const QImage &image, GLenum target = GL_TEXTURE_2D);
GLuint bindTexture(const QPixmap &pixmap, GLenum target = GL_TEXTURE_2D);
GLuint bindTexture(const QString &fileName);
void deleteTexture(GLuint texture_id);
void drawTexture(const QRectF &target, GLuint textureId, GLenum textureTarget = GL_TEXTURE_2D);
void drawTexture(const QPointF &point, GLuint textureId, GLenum textureTarget = GL_TEXTURE_2D);
#ifdef Q_MAC_COMPAT_GL_FUNCTIONS
bool bindToDynamicTexture(QMacCompatGLuint texture);
void updateDynamicTexture(QMacCompatGLuint texture_id) const;
GLuint bindTexture(const QImage &image, QMacCompatGLenum target = GL_TEXTURE_2D);
GLuint bindTexture(const QPixmap &pixmap, QMacCompatGLenum target = GL_TEXTURE_2D);
void drawTexture(const QRectF &target, QMacCompatGLuint textureId, QMacCompatGLenum textureTarget = GL_TEXTURE_2D);
void drawTexture(const QPointF &point, QMacCompatGLuint textureId, QMacCompatGLenum textureTarget = GL_TEXTURE_2D);
void deleteTexture(QMacCompatGLuint texture_id);
#endif
QSize size() const;
Qt::HANDLE handle() const;
QImage toImage() const;
QPaintEngine *paintEngine() const;
QGLFormat format() const;
static bool hasOpenGLPbuffers();
protected:
int metric(PaintDeviceMetric metric) const;
int devType() const { return QInternal::Pbuffer; }
private:
Q_DISABLE_COPY(QGLPixelBuffer)
QScopedPointer<QGLPixelBufferPrivate> d_ptr;
friend class QGLDrawable;
friend class QGLWindowSurface;
friend class QGLPaintDevice;
friend class QGLPBufferGLPaintDevice;
friend class QGLContextPrivate;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QGLPIXELBUFFER_H
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