wg_color.h

// wg_color.h
//
// CRGBColor class interface
//
//
// Copyright (c) 2002-2004 Rob Wiskow
// rob-dev@boxedchaos.com
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//


#ifndef _WG_COLOR_H_
#define _WG_COLOR_H_

#include "SDL.h"
#include <cmath>
#include <string>


namespace wGui
{


class CRGBColor
{
public:
     unsigned char red;  
     unsigned char green;  
     unsigned char blue;  
     unsigned char alpha;  

     CRGBColor(const unsigned char r, const unsigned char g, const unsigned char b, const unsigned char a = 0xFF) :
          red(r), green(g), blue(b), alpha(a) { }

     CRGBColor(const Uint32* pColorValue, const SDL_PixelFormat* pFormat);

     CRGBColor(std::wstring sColor);

     unsigned long int SDLColor(SDL_PixelFormat* pFormat) const
          { return SDL_MapRGBA(pFormat, red, green, blue, alpha); }

     bool operator==(const CRGBColor& c) const
     {
          return (red == c.red && green == c.green && blue == c.blue);
     }

     bool operator!=(const CRGBColor& c) const
     {
          return (red != c.red || green != c.green || blue != c.blue);
     }

     CRGBColor& operator=(const CRGBColor& c);

     CRGBColor operator+(const CRGBColor& c) const;

     CRGBColor operator|(const CRGBColor& c) const;

     CRGBColor operator&(const CRGBColor& c) const;

     CRGBColor operator^(const CRGBColor& c) const;

     CRGBColor MixNormal(const CRGBColor& c) const;

};


// Predefined colors
extern CRGBColor DEFAULT_BACKGROUND_COLOR;  
extern CRGBColor DEFAULT_FOREGROUND_COLOR;  
extern CRGBColor DEFAULT_LINE_COLOR;  
extern CRGBColor DEFAULT_DISABLED_LINE_COLOR;  
extern CRGBColor COLOR_TRANSPARENT;
extern CRGBColor COLOR_WHITE;
extern CRGBColor COLOR_LIGHTGRAY;
extern CRGBColor COLOR_GRAY;
extern CRGBColor COLOR_DARKGRAY;
extern CRGBColor COLOR_BLACK;
extern CRGBColor COLOR_BLUE;
extern CRGBColor COLOR_RED;
extern CRGBColor COLOR_GREEN;
extern CRGBColor COLOR_YELLOW;
extern CRGBColor COLOR_CYAN;
extern CRGBColor COLOR_MAGENTA;

}


#include "unit_tests/wg_color_unittests.h"

#endif // _WG_COLOR_H_

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