src/openvg/qvgcompositionhelper_p.h
changeset 0 1918ee327afb
child 3 41300fa6a67c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/openvg/qvgcompositionhelper_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,91 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtOpenVG module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QVGCOMPOSITIONHELPER_H
+#define QVGCOMPOSITIONHELPER_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qwindowsurface_vgegl_p.h"
+
+QT_BEGIN_NAMESPACE
+
+#if !defined(QVG_NO_SINGLE_CONTEXT) && !defined(QT_NO_EGL)
+
+class QVGPaintEnginePrivate;
+class QVGEGLWindowSurfacePrivate;
+
+class Q_OPENVG_EXPORT QVGCompositionHelper
+{
+public:
+    QVGCompositionHelper();
+    virtual ~QVGCompositionHelper();
+
+    void startCompositing(const QSize& screenSize);
+    void endCompositing();
+
+    void blitWindow(QVGEGLWindowSurfacePrivate *surface, const QRect& rect,
+                    const QPoint& topLeft, int opacity);
+    void fillBackground(const QRegion& region, const QBrush& brush);
+    void drawCursorImage(const QImage& image, const QPoint& offset);
+    void drawCursorPixmap(const QPixmap& pixmap, const QPoint& offset);
+    void setScissor(const QRegion& region);
+    void clearScissor();
+
+private:
+    QVGPaintEnginePrivate *d;
+    QSize screenSize;
+};
+
+#endif
+
+QT_END_NAMESPACE
+
+#endif