src/openvg/qvgcompositionhelper_p.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 00:43:10 +0200
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Revision: 201003 Kit: 201005
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/****************************************************************************
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**
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** Copyright (C) 2009 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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**
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**
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** $QT_END_LICENSE$
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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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//  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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#include "qwindowsurface_vgegl_p.h"
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QT_BEGIN_NAMESPACE
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#if !defined(QVG_NO_SINGLE_CONTEXT) && !defined(QT_NO_EGL)
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class QVGPaintEnginePrivate;
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class QVGEGLWindowSurfacePrivate;
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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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    void startCompositing(const QSize& screenSize);
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    void endCompositing();
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    void blitWindow(VGImage image, const QSize& imageSize,
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                    const QRect& rect, const QPoint& topLeft, int opacity);
0
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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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private:
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    QVGPaintEnginePrivate *d;
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    QSize screenSize;
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};
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#endif
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QT_END_NAMESPACE
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#endif