/******************************************************************************** Copyright (C) 2010 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.**** $QT_BEGIN_LICENSE:BSD$** You may use this file under the terms of the BSD license as follows:**** "Redistribution and use in source and binary forms, with or without** modification, are permitted provided that the following conditions are** met:** * Redistributions of source code must retain the above copyright** notice, this list of conditions and the following disclaimer.** * Redistributions in binary form must reproduce the above copyright** notice, this list of conditions and the following disclaimer in** the documentation and/or other materials provided with the** distribution.** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor** the names of its contributors may be used to endorse or promote** products derived from this software without specific prior written** permission.**** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."** $QT_END_LICENSE$******************************************************************************/#include <QtOpenGL>#include <QImage>#include <QTimeLine>#include <QSvgRenderer>class GLWidget : public QGLWidget{ Q_OBJECTpublic: 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 *render_fbo; QGLFramebufferObject *texture_fbo;};