Robot Simulator of the Robotics Group for Self-Organization of Control: color.h Source File

# color.h

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    00001 /***************************************************************************
    00002  *   Copyright (C) 2005-2011 LpzRobots development team                    *
    00003  *    Georg Martius  <georg dot martius at web dot de>                     *
    00004  *    Frank Guettler <guettler at informatik dot uni-leipzig dot de        *
    00005  *    Frank Hesse    <frank at nld dot ds dot mpg dot de>                  *
    00006  *    Ralf Der       <ralfder at mis dot mpg dot de>                       *
    00007  *                                                                         *
    00008  *   This program is free software; you can redistribute it and/or modify  *
    00009  *   it under the terms of the GNU General Public License as published by  *
    00010  *   the Free Software Foundation; either version 2 of the License, or     *
    00011  *   (at your option) any later version.                                   *
    00012  *                                                                         *
    00013  *   This program is distributed in the hope that it will be useful,       *
    00014  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
    00015  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
    00016  *   GNU General Public License for more details.                          *
    00017  *                                                                         *
    00018  *   You should have received a copy of the GNU General Public License     *
    00019  *   along with this program; if not, write to the                         *
    00020  *   Free Software Foundation, Inc.,                                       *
    00021  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
    00022  *                                                                         *
    00023  ***************************************************************************/
    00024 #ifndef __COLOR_H
    00025 #define __COLOR_H
    00026
    00027 #include <osg/Vec4>
    00028 #include <iostream>
    00029
    00030 namespace lpzrobots{
    00031
    00032 class Color : public osg::Vec4
    00033 {
    00034 public:
    00035   Color() {};
    00036   Color(const osg::Vec4& color)
    00037     : osg::Vec4(color)  {};
    00038   Color(float r, float g, float b)
    00039     : osg::Vec4(r, g, b, 1.0){}
    00040   Color(float r, float g, float b, float a)
    00041     : osg::Vec4(r, g, b, a){}
    00042
    00043   static Color rgb255(unsigned char r, unsigned char g, unsigned char b,
    00044                       unsigned char a = 255){
    00045     return Color(((float)r)/255.0, ((float)g)/255.0, ((float)b)/255.0, ((float)a)/255.0);
    00046   }
    00047
    00048   void print(std::ostream& out) const {
    00049     out << '(' << r() << ',' << g() << ',' << b() << ',' << a() << ')';
    00050   }
    00051
    00052   friend std::ostream& operator<<(std::ostream& out, const Color& col) {
    00053     col.print(out);
    00054     return out;
    00055   }
    00056
    00057 /*   float r() const { return x(); } */
    00058 /*   float& r() { return x(); } */
    00059 /*   float g() const { return y(); } */
    00060 /*   float& g() { return y(); } */
    00061 /*   float b() const { return z(); } */
    00062 /*   float& b() { return z(); } */
    00063 /*   float a() const { return w(); } */
    00064 /*   float& a() { return w(); } */
    00065   float alpha() const { return w(); }
    00066   float& alpha() { return w(); }
    00067 };
    00068
    00069 }
    00070
    00071 #endif