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# glwidget.h Example File
opengl/pbuffers2/glwidget.h

     /****************************************************************************
     **
     ** Copyright (C) 2005-$THISYEAR$ $TROLLTECH$. All rights reserved.
     **
     ** This file is part of the $MODULE$ of the Qt Toolkit.
     **
     ** $TROLLTECH_DUAL_LICENSE$
     **
     ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
     **
     ****************************************************************************/

     #include <QtOpenGL>
     #include <QImage>
     #include <QTimeLine>
     #include <QSvgRenderer>

     class GLWidget : public QGLWidget
     {
         Q_OBJECT

     public:
         GLWidget(QWidget *parent);
         ~GLWidget();

         void saveGLState();
         void restoreGLState();

         void paintEvent(QPaintEvent *);
         void mousePressEvent(QMouseEvent *);
         void mouseDoubleClickEvent(QMouseEvent *);
         void mouseMoveEvent(QMouseEvent *);
         void timerEvent(QTimerEvent *);
         void wheelEvent(QWheelEvent *);

     public slots:
         void animate(qreal);
         void animFinished();
         void draw();

     private:
         QPoint anchor;
         float scale;
         float rot_x, rot_y, rot_z;
         GLuint tile_list;
         GLfloat *wave;
         bool hasDynamicTextureUpdate;

         QImage logo;
         QTimeLine *anim;
         QSvgRenderer *svg_renderer;

         GLuint dynamicTexture;
         QGLPixelBuffer *pbuffer;
     };