--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/opengl/pbuffers/glwidget.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,90 @@
+/****************************************************************************
+**
+** 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 examples 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 GLWIDGET_H
+#define GLWIDGET_H
+
+#include <QGLWidget>
+
+class Geometry;
+class Cube;
+class Tile;
+QT_BEGIN_NAMESPACE
+class QGLPixelBuffer;
+QT_END_NAMESPACE
+
+class GLWidget : public QGLWidget
+{
+public:
+    GLWidget(QWidget *parent = 0);
+    ~GLWidget();
+
+protected:
+    void initializeGL();
+    void paintGL();
+    void resizeGL(int width, int height);
+    void mousePressEvent(QMouseEvent *) { setAnimationPaused(true); }
+    void mouseReleaseEvent(QMouseEvent *) { setAnimationPaused(false); }
+
+private:
+    void initializeGeometry();
+    void initPbuffer();
+    void initCommon();
+    void perspectiveProjection();
+    void orthographicProjection();
+    void drawPbuffer();
+    void setAnimationPaused(bool enable);
+
+    qreal aspect;
+    GLuint dynamicTexture;
+    GLuint cubeTexture;
+    bool hasDynamicTextureUpdate;
+    QGLPixelBuffer *pbuffer;
+    Geometry *geom;
+    Cube *cube;
+    Tile *backdrop;
+    QList<Cube *> cubes;
+    QList<Tile *> tiles;
+
+};
+//! [3]
+
+#endif