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CSimpleRenderer.h

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00001 /*
00002  * CSimpleRenderer.h
00003  * $Id: CSimpleRenderer.h,v 1.3 2001/11/15 16:54:51 guenth Exp $
00004  *
00005  * Copyright (C) 1999, 2000 Markus Janich, Michael Meissner
00006  *
00007  * This program is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 2 of the License, or
00010  * (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00020  *
00021  * As a special exception to the GPL, the QGLViewer authors (Markus
00022  * Janich, Michael Meissner, Richard Guenther, Alexander Buck and Thomas
00023  * Woerner) give permission to link this program with Qt (non-)commercial
00024  * edition, and distribute the resulting executable, without including
00025  * the source code for the Qt (non-)commercial edition in the source
00026  * distribution.
00027  *
00028  */
00029 
00030 //  Description : Definition of an example renderer drawing a cube
00031 //                in wire frame and catching a key signal 
00032 
00033 
00034 #ifndef CRENDERER__H
00035 #define CRENDERER__H
00036     
00037     
00038 // Own
00040 #include "QSimpleViewer.h"
00041 
00042 // Qt
00044 #include <qmainwindow.h>
00045 #include <qslider.h>
00046 #include <qgl.h>
00047 
00048 
00049 // System
00051 #include <math.h>
00052 
00053 
00054 
00055 
00062 class CSimpleRenderer : public QObject {
00063   Q_OBJECT
00064 
00065   //****** All methods ******
00066 
00067 public:
00068   CSimpleRenderer(QGLViewer*);
00069 
00070   ~CSimpleRenderer();
00071 
00072   QGLViewer* getViewer(void) { return m_pViewer; };
00073 
00074   void MakeGlList();
00075 
00076 private:
00078   GLuint processHits(GLint hits, GLuint buffer[]);
00079 
00080 
00081   // **** All the slots *****
00082 private slots:
00083 
00085   void sltInitializeGL();
00086 
00088   void sltResizeGL(int w, int h);
00089 
00091   void sltPaintGL();
00092 
00094   void sltManageSelection(QMouseEvent *pqEvent);
00095 
00097   void sltManageRelease(QMouseEvent *pqEvent);
00098 
00100   void sltManageMove(QMouseEvent *pqEvent);
00101 
00103   void sltCatchKey(int);
00104 
00107   void sltResetSelection();
00108 
00109 private:
00110 
00112   void renderScene(void);
00113 
00115   void renderSolidSphere(const CP3D &cCenter, float radius,
00116                          int n1, int n2, float lw=2.5);
00117 
00119   void renderWireSphere(const CP3D &cCenter, float radius,
00120                         int n1, int n2, float lw=2.5);
00121 
00122   //****** All data ******
00123 
00124   QGLViewer *m_pViewer;
00125 
00126   GLuint m_glDispList;
00127 
00128   bool m_afSelected[12];               // select state of the spheres
00129 
00130   bool m_fLeftButtonPressed;           // saves left button state
00131   bool m_fMiddleButtonPressed;         // saves middle button state
00132   bool m_fRightButtonPressed;          // saves right button state
00133 
00134   CP3D m_cSphereCenter[12];            // saves centers of the spheres
00135 
00136   int m_nMousePosX, m_nMousePosY;      // last mouse position
00137 };
00138 
00139 #endif // CRENDERER__H 

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