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

        /****************************************************************************
        **
        ** Copyright (C) 2005-2006 Trolltech ASA. All rights reserved.
        **
        ** This file is part of the example classes of the Qt Toolkit.
        **
        ** Licensees holding valid Qt Preview licenses may use this file in
        ** accordance with the Qt Preview License Agreement provided with the
        ** Software.
        **
        ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
        ** information about Qt Commercial License Agreements.
        **
        ** Contact info@trolltech.com if any conditions of this licensing are
        ** not clear to you.
        **
        ** 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;

            QImage logo;
            QTimeLine *anim;
            QSvgRenderer *svg_renderer;
            QGLFramebufferObject *fbo;
        };