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color.h

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00001 /*
00002 Copyright (c) 2002 Xavier Trochu
00003 
00004 This software is provided 'as-is', without any express or implied warranty. In no event
00005 will the authors be held liable for any damages arising from the use of this software.
00006 
00007 Permission is granted to anyone to use this software for any purpose, including commercial
00008 applications, and to alter it and redistribute it freely, subject to the following
00009 restrictions:
00010 
00011 1. The origin of this software must not be misrepresented; you must not claim that you
00012    wrote the original software. If you use this software in a product, an acknowledgment
00013    in the product documentation would be appreciated but is not required.
00014 
00015 2. Altered source versions must be plainly marked as such, and must not be misrepresented 
00016    as being the original software.
00017 
00018 3. This notice may not be removed or altered from any source distribution.
00019 */
00020 #ifndef __COLOR_H_
00021 #define __COLOR_H_
00022 
00023 #ifdef HAVE_CONFIG_H
00024 #include "config.h"
00025 #endif
00026 
00027 #include <ostream>
00028 
00033 class color {
00034 public:
00035     typedef unsigned char value_type;   
00036 private:
00037     value_type _r;  
00038     value_type _g;  
00039     value_type _b;  
00040 public:
00041     color() throw();
00042     color(value_type, value_type, value_type) throw();
00043     color(const color &) throw();
00044     color & operator=(const color &);
00045     virtual ~color() throw();
00046     value_type red() const throw();
00047     value_type green() const throw();
00048     value_type blue() const throw();
00056     void delta(short * ptr) throw();
00057 };
00058 
00059 extern std::ostream & operator <<(std::ostream &, const color &);
00060 
00061 #endif

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