/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the examples of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:BSD$+
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** You may use this file under the terms of the BSD license as follows:+
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**+
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** "Redistribution and use in source and binary forms, with or without+
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** modification, are permitted provided that the following conditions are+
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** met:+
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**   * Redistributions of source code must retain the above copyright+
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**     notice, this list of conditions and the following disclaimer.+
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**   * Redistributions in binary form must reproduce the above copyright+
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**     notice, this list of conditions and the following disclaimer in+
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**     the documentation and/or other materials provided with the+
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**     distribution.+
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**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor+
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**     the names of its contributors may be used to endorse or promote+
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**     products derived from this software without specific prior written+
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**     permission.+
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**+
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS+
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT+
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR+
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT+
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,+
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT+
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,+
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY+
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT+
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef GLWIDGET_H+
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#define GLWIDGET_H+
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+
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#include <QGLWidget>+
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#include <QtGui/qvector3d.h>+
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#include <QtGui/qmatrix4x4.h>+
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#include <QtOpenGL/qglshaderprogram.h>+
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#include <QTime>+
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#include <QVector>+
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+
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class Bubble;+
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class GLWidget : public QGLWidget {+
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+
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    Q_OBJECT+
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public:+
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    GLWidget(QWidget *parent = 0);+
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    ~GLWidget();+
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public slots: +
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    void setScaling(int scale);+
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    void setLogo();+
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    void setTexture();+
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    void showBubbles(bool);+
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protected:+
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    void paintGL ();+
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    void initializeGL ();+
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private:+
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    GLuint  m_uiTexture;+
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    qreal   m_fAngle;+
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    qreal   m_fScale;+
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    bool m_showBubbles;+
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    void paintTexturedCube();+
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    void paintQtLogo();+
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    void createGeometry();+
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    void createBubbles(int number);+
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    void quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4);+
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    void extrude(qreal x1, qreal y1, qreal x2, qreal y2);+
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    QVector<QVector3D> vertices;+
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    QVector<QVector3D> normals;+
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    bool qtLogo;+
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    QList<Bubble*> bubbles;+
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    int frames;+
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    QTime time;+
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    QGLShaderProgram program1;+
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    QGLShaderProgram program2;+
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    int vertexAttr1;+
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    int normalAttr1;+
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    int matrixUniform1;+
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    int vertexAttr2;+
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    int normalAttr2;+
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    int texCoordAttr2;+
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    int matrixUniform2;+
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    int textureUniform2;+
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};+
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#endif+
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