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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef _GLSAVE_H_
+#define _GLSAVE_H_
+
+#include <qglobal.h>
+#include <qfxglobal.h>
+#include <QRect>
+#include "glheaders.h"
+
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+class GLSaveViewport
+{
+public:
+ GLSaveViewport()
+ {
+ glGetIntegerv(GL_VIEWPORT, viewport);
+ }
+
+ ~GLSaveViewport()
+ {
+ glViewport(viewport[0], viewport[1], viewport[2], viewport[3]);
+ }
+
+private:
+ Q_DISABLE_COPY(GLSaveViewport);
+ GLint viewport[4];
+};
+
+class GLSaveScissor
+{
+public:
+ GLSaveScissor()
+ {
+ enabled = glIsEnabled(GL_SCISSOR_TEST);
+ glGetIntegerv(GL_SCISSOR_BOX, box);
+ }
+
+ ~GLSaveScissor()
+ {
+ if(enabled)
+ glEnable(GL_SCISSOR_TEST);
+ else
+ glDisable(GL_SCISSOR_TEST);
+ glScissor(box[0], box[1], box[2], box[3]);
+ }
+
+ bool wasEnabled() const
+ {
+ return enabled == GL_TRUE;
+ }
+
+ QRect rect() const
+ {
+ return QRect(box[0], box[1], box[2], box[3]);
+ }
+
+private:
+ Q_DISABLE_COPY(GLSaveScissor);
+ GLint box[4];
+ GLboolean enabled;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+#endif // _GLSAVE_H_