Home · All Classes · All Functions · Overviews

glwidget.h Example File
opengl/pbuffers/glwidget.h

 /****************************************************************************
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation ([email protected])
 **
 ** This file is part of the examples of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** Commercial Usage
 ** Licensees holding valid Qt Commercial licenses may use this file in
 ** accordance with the Qt Commercial License Agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
 ** a written agreement between you and Nokia.
 **
 ** 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.
 **
 ** 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 have questions regarding the use of this file, please contact
 ** Nokia at [email protected].
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #ifndef GLWIDGET_H
 #define GLWIDGET_H

 #include <QGLWidget>

 class Geometry;
 class Cube;
 class Tile;
 class QGLPixelBuffer;

 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;

 };

 #endif