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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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     7 ** This file is part of the QtOpenGL module of the Qt Toolkit.

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    16 ** GNU Lesser General Public License Usage

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 

    42 #ifndef QWINDOWSURFACE_GL_P_H

    43 #define QWINDOWSURFACE_GL_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API.  It exists for the convenience

    50 // of the QLibrary class.  This header file may change from

    51 // version to version without notice, or even be removed.

    52 //

    53 // We mean it.

    54 //

    55 

    56 #include <qglobal.h>

    57 #include <qgl.h>

    58 #include <private/qwindowsurface_p.h>

    59 #include <private/qglpaintdevice_p.h>

    60 

    61 QT_BEGIN_NAMESPACE

    62 

    63 class QPaintDevice;

    64 class QPoint;

    65 class QRegion;

    66 class QWidget;

    67 struct QGLWindowSurfacePrivate;

    68 

    69 class QGLWindowSurfaceGLPaintDevice : public QGLPaintDevice

    70 {

    71 public:

    72     QPaintEngine* paintEngine() const;

    73     void endPaint();

    74     QSize size() const;

    75     int metric(PaintDeviceMetric m) const;

    76     QGLContext* context() const;

    77     QGLWindowSurfacePrivate* d;

    78 };

    79 

    80 class QGLWindowSurface : public QObject, public QWindowSurface // , public QPaintDevice

    81 {

    82     Q_OBJECT

    83 public:

    84     QGLWindowSurface(QWidget *window);

    85     ~QGLWindowSurface();

    86 

    87     QPaintDevice *paintDevice();

    88     void flush(QWidget *widget, const QRegion &region, const QPoint &offset);

    89     void setGeometry(const QRect &rect);

    90     void updateGeometry();

    91     bool scroll(const QRegion &area, int dx, int dy);

    92 

    93     void beginPaint(const QRegion &region);

    94     void endPaint(const QRegion &region);

    95 

    96     QImage *buffer(const QWidget *widget);

    97 

    98     QGLContext *context() const;

    99 

   100     static QGLFormat surfaceFormat;

   101 

   102 private slots:

   103     void deleted(QObject *object);

   104 

   105 private:

   106     void hijackWindow(QWidget *widget);

   107 

   108     QGLWindowSurfacePrivate *d_ptr;

   109 };

   110 

   111 QT_END_NAMESPACE

   112 

   113 #endif // QWINDOWSURFACE_GL_P_H

   114