/****************************************************************************+
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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 QtOpenVG 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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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QVGCOMPOSITIONHELPER_H+
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#define QVGCOMPOSITIONHELPER_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 purely as an+
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// implementation detail.  This header file may change from version to+
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// 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 "qwindowsurface_vgegl_p.h"+
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+
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QT_BEGIN_NAMESPACE+
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+
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#if !defined(QVG_NO_SINGLE_CONTEXT) && !defined(QT_NO_EGL)+
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+
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class QVGPaintEnginePrivate;+
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class QVGEGLWindowSurfacePrivate;+
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+
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class Q_OPENVG_EXPORT QVGCompositionHelper+
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{+
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public:+
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    QVGCompositionHelper();+
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    virtual ~QVGCompositionHelper();+
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+
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    void startCompositing(const QSize& screenSize);+
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    void endCompositing();+
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+
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    void blitWindow(VGImage image, const QSize& imageSize,+
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                    const QRect& rect, const QPoint& topLeft, int opacity);+
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    void fillBackground(const QRegion& region, const QBrush& brush);+
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    void drawCursorPixmap(const QPixmap& pixmap, const QPoint& offset);+
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    void setScissor(const QRegion& region);+
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    void clearScissor();+
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+
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private:+
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    QVGPaintEnginePrivate *d;+
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    QSize screenSize;+
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};+
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+
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#endif+
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+
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QT_END_NAMESPACE+
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+
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#endif+
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