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/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

/** \file
 * \ingroup imbdds
 */

/*
 * This file is based on a similar file from the NVIDIA texture tools
 * (http://nvidia-texture-tools.googlecode.com/)
 *
 * Original license from NVIDIA follows.
 */

// This code is in the public domain -- castanyo@yahoo.es

#ifndef __COLOR_H__
#define __COLOR_H__

/// 32 bit color stored as BGRA.
class Color32 {
 public:
  Color32()
  {
  }
  Color32(const Color32 &c) : u(c.u)
  {
  }
  Color32(unsigned char R, unsigned char G, unsigned char B)
  {
    setRGBA(R, G, B, 0xFF);
  }
  Color32(unsigned char R, unsigned char G, unsigned char B, unsigned char A)
  {
    setRGBA(R, G, B, A);
  }
#if 0
  Color32(unsigned char c[4])
  {
    setRGBA(c[0], c[1], c[2], c[3]);
  }
  Color32(float R, float G, float B)
  {
    setRGBA(uint(R * 255), uint(G * 255), uint(B * 255), 0xFF);
  }
  Color32(float R, float G, float B, float A)
  {
    setRGBA(uint(R * 255), uint(G * 255), uint(B * 255), uint(A * 255));
  }
#endif
  Color32(unsigned int U) : u(U)
  {
  }

  void setRGBA(unsigned char R, unsigned char G, unsigned char B, unsigned char A)
  {
    r = R;
    g = G;
    b = B;
    a = A;
  }

  void setBGRA(unsigned char B, unsigned char G, unsigned char R, unsigned char A = 0xFF)
  {
    r = R;
    g = G;
    b = B;
    a = A;
  }

  operator unsigned int() const
  {
    return u;
  }

  union {
    struct {
      unsigned char b, g, r, a;
    };
    unsigned int u;
  };
};

/// 16 bit 565 BGR color.
class Color16 {
 public:
  Color16()
  {
  }
  Color16(const Color16 &c) : u(c.u)
  {
  }
  explicit Color16(unsigned short U) : u(U)
  {
  }

  union {
    struct {
      unsigned short b : 5;
      unsigned short g : 6;
      unsigned short r : 5;
    };
    unsigned short u;
  };
};

#endif /* __COLOR_H__ */