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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtOpenGL module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWINDOWSURFACE_GL_P_H
#define QWINDOWSURFACE_GL_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of the QLibrary class. This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//
#include <qglobal.h>
#include <qgl.h>
#include <private/qwindowsurface_p.h>
QT_BEGIN_NAMESPACE
class QPaintDevice;
class QPoint;
class QRegion;
class QWidget;
struct QGLWindowSurfacePrivate;
class QGLWindowSurface : public QWindowSurface, public QPaintDevice
{
public:
QGLWindowSurface(QWidget *window);
~QGLWindowSurface();
QPaintDevice *paintDevice();
void flush(QWidget *widget, const QRegion ®ion, const QPoint &offset);
void setGeometry(const QRect &rect);
void updateGeometry();
bool scroll(const QRegion &area, int dx, int dy);
void beginPaint(const QRegion ®ion);
void endPaint(const QRegion ®ion);
QImage *buffer(const QWidget *widget);
QGLContext *context() const;
static QGLFormat surfaceFormat;
QPaintEngine *paintEngine() const;
protected:
int metric(PaintDeviceMetric metric) const;
private:
void hijackWindow(QWidget *widget);
QGLWindowSurfacePrivate *d_ptr;
};
QT_END_NAMESPACE
#endif // QWINDOWSURFACE_GL_P_H
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