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Color.hh

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00001 /*
00002  *  Gazebo - Outdoor Multi-Robot Simulator
00003  *  Copyright (C) 2003  
00004  *     Nate Koenig & Andrew Howard
00005  *
00006  *  This program is free software; you can redistribute it and/or modify
00007  *  it under the terms of the GNU General Public License as published by
00008  *  the Free Software Foundation; either version 2 of the License, or
00009  *  (at your option) any later version.
00010  *
00011  *  This program is distributed in the hope that it will be useful,
00012  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  *  GNU General Public License for more details.
00015  *
00016  *  You should have received a copy of the GNU General Public License
00017  *  along with this program; if not, write to the Free Software
00018  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00019  *
00020  */
00021 /* Desc: Color classes and functions
00022  * Author: Andrew Howard
00023  * Date: 4 Aug 2003
00024  * CVS: $Id: Color.hh,v 1.2 2004/10/23 06:32:58 inspectorg Exp $
00025  */
00026 
00027 #ifndef GZCOLOR_H_
00028 #define GZCOLOR_H_
00029 
00030 #include <math.h>
00031 #include <GL/gl.h>
00032 #include "Global.hh"
00033 
00034 // Generic color description
00035 class GzColor
00036 {
00037 
00038   // Default Constructor
00039   public: GzColor()
00040     {
00041       this->r = this->g = this->b = 0.0;
00042       this->a = 1.0;
00043     };
00044  
00045   // Constructor
00046   public: GzColor(double r, double g, double b, double a=1.0)
00047     {
00048       this->r = r;
00049       this->g = g;
00050       this->b = b;
00051       this->a = a;
00052     }
00053 
00054   // Return pointer to be used by GL
00055   public: operator const GLfloat *() {return &this->r;}
00056  
00057   // Red, Green, Blue, Alpha color components
00058   public: GLfloat r, g, b, a;
00059 };
00060 
00061 
00062 // Copy color structure to GL format
00063 #define GZ_COLOR_COPY(x, y) x[0] = y.r; x[1] = y.g; x[2] = y.b; x[3] = y.a; 
00064 
00065 
00066 #endif


Last updated $Date: 2004/12/21 01:49:15 $
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