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     2 **

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

     4 ** All rights reserved.

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     7 ** This file is part of the QtOpenVG 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 QVGCOMPOSITIONHELPER_H

    43 #define QVGCOMPOSITIONHELPER_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 purely as an

    50 // implementation detail.  This header file may change from version to

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

    52 //

    53 // We mean it.

    54 //

    55 

    56 #include "qwindowsurface_vgegl_p.h"

    57 

    58 QT_BEGIN_NAMESPACE

    59 

    60 #if !defined(QVG_NO_SINGLE_CONTEXT) && !defined(QT_NO_EGL)

    61 

    62 class QVGPaintEnginePrivate;

    63 class QVGEGLWindowSurfacePrivate;

    64 

    65 class Q_OPENVG_EXPORT QVGCompositionHelper

    66 {

    67 public:

    68     QVGCompositionHelper();

    69     virtual ~QVGCompositionHelper();

    70 

    71     void startCompositing(const QSize& screenSize);

    72     void endCompositing();

    73 

    74     void blitWindow(QVGEGLWindowSurfacePrivate *surface, const QRect& rect,

    75                     const QPoint& topLeft, int opacity);

    76     void fillBackground(const QRegion& region, const QBrush& brush);

    77     void drawCursorImage(const QImage& image, const QPoint& offset);

    78     void drawCursorPixmap(const QPixmap& pixmap, const QPoint& offset);

    79     void setScissor(const QRegion& region);

    80     void clearScissor();

    81 

    82 private:

    83     QVGPaintEnginePrivate *d;

    84     QSize screenSize;

    85 };

    86 

    87 #endif

    88 

    89 QT_END_NAMESPACE

    90 

    91 #endif