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40 
41 #include <QtOpenGL>
42 #include <QImage>
43 #include <QTimeLine>
44 #include <QSvgRenderer>
45 
46 class GLWidget : public QGLWidget
47 {
48     Q_OBJECT
49 
50 public:
51     GLWidget(QWidget *parent);
52     ~GLWidget();
53 
54     void saveGLState();
55     void restoreGLState();
56 
57     void paintEvent(QPaintEvent *);
58     void mousePressEvent(QMouseEvent *);
59     void mouseDoubleClickEvent(QMouseEvent *);
60     void mouseMoveEvent(QMouseEvent *);
61     void timerEvent(QTimerEvent *);
62     void wheelEvent(QWheelEvent *);
63 
64 public slots:
65     void animate(qreal);
66     void animFinished();
67     void draw();
68 
69 private:
70     QPoint anchor;
71     float scale;
72     float rot_x, rot_y, rot_z;
73     GLuint tile_list;
74     GLfloat *wave;
75 
76     QImage logo;
77     QTimeLine *anim;
78     QSvgRenderer *svg_renderer;
79     QGLFramebufferObject *render_fbo;
80     QGLFramebufferObject *texture_fbo;
81 };
82 
83