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color.hxx

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00001 //  $Id: color.hxx,v 1.6 2003/01/05 15:29:15 grumbel Exp $
00002 // 
00003 //  Construo - A wire-frame construction game
00004 //  Copyright (C) 2002 Ingo Ruhnke <grumbel@gmx.de>
00005 //
00006 //  This program is free software; you can redistribute it and/or
00007 //  modify it under the terms of the GNU General Public License
00008 //  as published by the Free Software Foundation; either version 2
00009 //  of the License, or (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 #ifndef HEADER_CONSTRUO_COLOR_HXX
00021 #define HEADER_CONSTRUO_COLOR_HXX
00022 
00024 struct Color
00025 {
00026   float r;
00027   float g;
00028   float b;
00029   float a;
00030 
00031   Color (int i) {
00032     r = ((i & 0xFF000000) >> 24) / 255.0f;
00033     g = ((i & 0x00FF0000) >> 16) / 255.0f;
00034     b = ((i & 0x0000FF00) >>  8) / 255.0f;
00035     a = ((i & 0x000000FF) >>  0) / 255.0f;
00036   }
00037   
00038   Color (float r, float g, float b, float a = 1.0f)
00039   : r (r), g (g), b (b), a (a) {}
00040 
00042   inline unsigned int get_rgb () { return int(255 * b) | (int((255 * g)) << 8) | (int((255 * r)) << 16); }
00043 };
00044 
00045 #endif
00046 
00047 /* EOF */

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