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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef GLWIDGET_H
#define GLWIDGET_H
#include <QGLWidget>
#include <QtGui/qvector3d.h>
#include <QtGui/qmatrix4x4.h>
#include <QtOpenGL/qglshaderprogram.h>
#include <QTime>
#include <QVector>
class Bubble;
class GLWidget : public QGLWidget {
Q_OBJECT
public:
GLWidget(QWidget *parent = 0);
~GLWidget();
public slots:
void setScaling(int scale);
void setLogo();
void setTexture();
void showBubbles(bool);
protected:
void paintGL ();
void initializeGL ();
private:
GLuint m_uiTexture;
qreal m_fAngle;
qreal m_fScale;
bool m_showBubbles;
void paintTexturedCube();
void paintQtLogo();
void createGeometry();
void createBubbles(int number);
void quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4);
void extrude(qreal x1, qreal y1, qreal x2, qreal y2);
QVector<QVector3D> vertices;
QVector<QVector3D> normals;
bool qtLogo;
QList<Bubble*> bubbles;
int frames;
QTime time;
QGLShaderProgram program1;
QGLShaderProgram program2;
int vertexAttr1;
int normalAttr1;
int matrixUniform1;
int vertexAttr2;
int normalAttr2;
int texCoordAttr2;
int matrixUniform2;
int textureUniform2;
};
#endif
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