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qglframebufferobject.h

/****************************************************************************
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the QtOpenGL module of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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 GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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****************************************************************************/

#ifndef QGLFRAMEBUFFEROBJECT_H
#define QGLFRAMEBUFFEROBJECT_H

#include <QtOpenGL/qgl.h>
#include <QtGui/qpaintdevice.h>

QT_BEGIN_HEADER

QT_MODULE(OpenGL)

class QGLFramebufferObjectPrivate;

00036 class Q_OPENGL_EXPORT QGLFramebufferObject : public QPaintDevice
{
    Q_DECLARE_PRIVATE(QGLFramebufferObject)
public:
    QGLFramebufferObject(const QSize &size, GLenum target = GL_TEXTURE_2D);
    QGLFramebufferObject(int width, int height, GLenum target = GL_TEXTURE_2D);
    virtual ~QGLFramebufferObject();

    bool isValid() const;
    bool bind();
    bool release();
    GLuint texture() const;
    QSize size() const;
    QImage toImage() const;

    QPaintEngine *paintEngine() const;
    GLuint handle() const;

    static bool hasOpenGLFramebufferObjects();

protected:
    int metric(PaintDeviceMetric metric) const;
00058     int devType() const { return QInternal::FramebufferObject; }

private:
    Q_DISABLE_COPY(QGLFramebufferObject)
    QGLFramebufferObjectPrivate *d_ptr;
    friend class QGLDrawable;
};

QT_END_HEADER
#endif // QGLFRAMEBUFFEROBJECT_H

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