glpixwidget.h

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00001 /****************************************************************************
00002 **
00003 ** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved.
00004 **
00005 ** This file is part of the example classes of the Qt Toolkit.
00006 **
00007 ** This file may be used under the terms of the GNU General Public
00008 ** License version 2.0 as published by the Free Software Foundation
00009 ** and appearing in the file LICENSE.GPL included in the packaging of
00010 ** this file.  Please review the following information to ensure GNU
00011 ** General Public Licensing requirements will be met:
00012 ** http://www.trolltech.com/products/qt/opensource.html
00013 **
00014 ** If you are unsure which license is appropriate for your use, please
00015 ** review the following information:
00016 ** http://www.trolltech.com/products/qt/licensing.html or contact the
00017 ** sales department at sales@trolltech.com.
00018 **
00019 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00020 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00021 **
00022 ****************************************************************************/
00023 
00024 #include <QtOpenGL>
00025 
00026 class GLPixelWidget : public QGLWidget
00027 {
00028 public:
00029     GLPixelWidget(QWidget *parent);
00030     ~GLPixelWidget();
00031     void initializeGL();
00032     void resizeGL(int w, int h);
00033     void paintGL();
00034     void timerEvent(QTimerEvent *) { update(); }
00035     void mousePressEvent(QMouseEvent *) { killTimer(timerId); }
00036     void mouseReleaseEvent(QMouseEvent *) { timerId = startTimer(20); }
00037 
00038     void drawCube(int i, GLfloat z, GLfloat ri, GLfloat jmp, GLfloat amp);
00039     void initCommon();
00040     void initPbuffer();
00041 
00042 private:
00043     GLfloat rot[3], xOffs[3], yOffs[3], xInc[3];
00044     GLuint pbufferList;
00045     GLuint dynamicTexture;
00046     GLuint cubeTexture;
00047     int timerId;
00048 
00049     QGLPixelBuffer *pbuffer;
00050 };
00051 

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