/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtOpenGL module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QWINDOWSURFACE_GL_P_H+
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#define QWINDOWSURFACE_GL_P_H+
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+
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//+
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//  W A R N I N G+
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//  -------------+
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//+
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// This file is not part of the Qt API.  It exists for the convenience+
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// of the QLibrary class.  This header file may change from+
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// version to version without notice, or even be removed.+
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//+
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// We mean it.+
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//+
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+
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#include <qglobal.h>+
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#include <qgl.h>+
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#include <private/qwindowsurface_p.h>+
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#include <private/qglpaintdevice_p.h>+
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+
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QT_BEGIN_NAMESPACE+
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+
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class QPaintDevice;+
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class QPoint;+
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class QRegion;+
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class QWidget;+
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struct QGLWindowSurfacePrivate;+
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+
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Q_OPENGL_EXPORT QGLWidget* qt_gl_share_widget();+
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+
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class QGLWindowSurfaceGLPaintDevice : public QGLPaintDevice+
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{+
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public:+
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    QPaintEngine* paintEngine() const;+
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    void endPaint();+
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    QSize size() const;+
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    int metric(PaintDeviceMetric m) const;+
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    QGLContext* context() const;+
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    QGLWindowSurfacePrivate* d;+
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};+
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+
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class Q_OPENGL_EXPORT QGLWindowSurface : public QObject, public QWindowSurface // , public QPaintDevice+
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{+
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    Q_OBJECT+
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public:+
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    QGLWindowSurface(QWidget *window);+
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    ~QGLWindowSurface();+
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+
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    QPaintDevice *paintDevice();+
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    void flush(QWidget *widget, const QRegion &region, const QPoint &offset);+
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    void setGeometry(const QRect &rect);+
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    void updateGeometry();+
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    bool scroll(const QRegion &area, int dx, int dy);+
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+
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    void beginPaint(const QRegion &region);+
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    void endPaint(const QRegion &region);+
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+
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    QImage *buffer(const QWidget *widget);+
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+
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    QGLContext *context() const;+
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+
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    static QGLFormat surfaceFormat;+
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+
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private slots:+
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    void deleted(QObject *object);+
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+
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private:+
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    void hijackWindow(QWidget *widget);+
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+
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    QGLWindowSurfacePrivate *d_ptr;+
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};+
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+
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QT_END_NAMESPACE+
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+
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#endif // QWINDOWSURFACE_GL_P_H+
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+
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