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/****************************************************************************
**
** Copyright (C) 2009 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef GLWIDGET_H
#define GLWIDGET_H
#include <QGLWidget>
class Geometry;
class Cube;
class Tile;
class GLWidget : public QGLWidget
{
public:
GLWidget(QWidget *parent = 0);
~GLWidget();
protected:
void initializeGL();
void paintGL();
void resizeGL(int width, int height);
void mousePressEvent(QMouseEvent *) { setAnimationPaused(true); }
void mouseReleaseEvent(QMouseEvent *) { setAnimationPaused(false); }
private:
void initializeGeometry();
void initPbuffer();
void initCommon();
void perspectiveProjection();
void orthographicProjection();
void drawPbuffer();
void setAnimationPaused(bool enable);
qreal aspect;
GLuint dynamicTexture;
GLuint cubeTexture;
bool hasDynamicTextureUpdate;
QGLPixelBuffer *pbuffer;
Geometry *geom;
Cube *cube;
Tile *backdrop;
QList<Cube *> cubes;
QList<Tile *> tiles;
};
//! [3]
#endif
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