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# glwidget.h Example File
opengl/framebufferobject2/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>

     class GLWidget : public QGLWidget
     {
     public:
         GLWidget(QWidget *parent);
         ~GLWidget();
         void initializeGL();
         void resizeGL(int w, int h);
         void paintGL();
         void timerEvent(QTimerEvent *) { update(); }
         void mousePressEvent(QMouseEvent *) { killTimer(timerId); }
         void mouseReleaseEvent(QMouseEvent *) { timerId = startTimer(20); }

         void drawCube(int i, GLfloat z, GLfloat ri, GLfloat jmp, GLfloat amp);

     private:
         GLfloat rot[3], xOffs[3], yOffs[3], xInc[3];
         GLuint pbufferList;
         GLuint cubeTexture;
         int timerId;

         QGLFramebufferObject *fbo;
     };