//colors.h:

/*
 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2011
 *
 *  This file is part of libroar a part of RoarAudio,
 *  a cross-platform sound system for both, home and professional use.
 *  See README for details.
 *
 *  This file is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 3
 *  as published by the Free Software Foundation.
 *
 *  libroar 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 software; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 *
 *  NOTE for everyone want's to change something and send patches:
 *  read README and HACKING! There a addition information on
 *  the license of this document you need to read before you send
 *  any patches.
 *
 *  NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc
 *  or libpulse*:
 *  The libs libroaresd, libroararts and libroarpulse link this lib
 *  and are therefore GPL. Because of this it may be illigal to use
 *  them with any software that uses libesd, libartsc or libpulse*.
 */

#ifndef _LIBROARLIGHT_COLORS_H_
#define _LIBROARLIGHT_COLORS_H_

#include "libroarlight.h"

#define ROAR_COLOR_TYPE_NONE           0x00000000
#define ROAR_COLOR_TYPE_GRAY           0x00000001 /* ???         */
#define ROAR_COLOR_TYPE_ALPHA          0x00000002 /* Alpha       */
#define ROAR_COLOR_TYPE_DOUBLE         0x00000004 /* use 16 bit per channel */
#define ROAR_COLOR_TYPE_A              ROAR_COLOR_TYPE_ALPHA
#define ROAR_COLOR_TYPE_K              0x00000010 /* black (Key) */
#define ROAR_COLOR_TYPE_R              0x00000020 /* red         */
#define ROAR_COLOR_TYPE_G              0x00000040 /* green       */
#define ROAR_COLOR_TYPE_B              0x00000080 /* blue or ??? */
#define ROAR_COLOR_TYPE_H              0x00000100
#define ROAR_COLOR_TYPE_S              0x00000200
#define ROAR_COLOR_TYPE_V              0x00000400
//#define ROAR_COLOR_TYPE_B              0x00000800
#define ROAR_COLOR_TYPE_L              0x00001000
#define ROAR_COLOR_TYPE_I              0x00002000
#define ROAR_COLOR_TYPE_C              0x00004000 /* Cyan          */
#define ROAR_COLOR_TYPE_M              0x00008000 /* Magenta       */
#define ROAR_COLOR_TYPE_Y              0x00010000 /* Yellow or ??? */
#define ROAR_COLOR_TYPE_U              0x00020000
//#define ROAR_COLOR_TYPE_              0x0100

#define ROAR_COLORSYSTEM_NONE          (ROAR_COLOR_TYPE_NONE)
#define ROAR_COLORSYSTEM_GRAY          (ROAR_COLOR_TYPE_K)
#define ROAR_COLORSYSTEM_RGB           (ROAR_COLOR_TYPE_R|ROAR_COLOR_TYPE_G|ROAR_COLOR_TYPE_B)
#define ROAR_COLORSYSTEM_RGBA          (ROAR_COLOR_TYPE_R|ROAR_COLOR_TYPE_G|ROAR_COLOR_TYPE_B|ROAR_COLOR_TYPE_ALPHA)
#define ROAR_COLORSYSTEM_YUV           (ROAR_COLOR_TYPE_Y|ROAR_COLOR_TYPE_U|ROAR_COLOR_TYPE_V)
#define ROAR_COLORSYSTEM_HSV           (ROAR_COLOR_TYPE_H|ROAR_COLOR_TYPE_S|ROAR_COLOR_TYPE_V)
#define ROAR_COLORSYSTEM_HSL           (ROAR_COLOR_TYPE_H|ROAR_COLOR_TYPE_S|ROAR_COLOR_TYPE_L)
#define ROAR_COLORSYSTEM_HSB           (ROAR_COLOR_TYPE_H|ROAR_COLOR_TYPE_S|ROAR_COLOR_TYPE_B)
#define ROAR_COLORSYSTEM_HSI           (ROAR_COLOR_TYPE_H|ROAR_COLOR_TYPE_S|ROAR_COLOR_TYPE_I)
#define ROAR_COLORSYSTEM_CMYK          (ROAR_COLOR_TYPE_C|ROAR_COLOR_TYPE_M|ROAR_COLOR_TYPE_Y|ROAR_COLOR_TYPE_K)

struct roar_color_gray {
 unsigned char k;
};

struct roar_color_rgb {
 unsigned char r, g, b;
};

struct roar_color_rgba {
 unsigned char r, g, b, a;
};

struct roar_color_yuv {
 unsigned char y, u, v;
};

struct roar_color_cmyk {
 unsigned char c, m, y, k;
};

struct roar_color {
 uint32_t system;
 union {
  struct roar_color_gray   gray;
  struct roar_color_rgb    rgb;
  struct roar_color_rgba   rgba;
  struct roar_color_yuv    yuv;
  struct roar_color_cmyk   cmyk;
 } color;
};

//#define roar_color_new_rgb(color,r,g,b) (color)->system = ROAR_COLORSYSTEM_RGB; (color)->color.rgb.r = (r); (color)->color.rgb.b = (g); (color)->color.rgb.b = (b)

int roar_color_new        (struct roar_color * c);
int roar_color_new_gray   (struct roar_color * c, unsigned char k);
int roar_color_new_rgb    (struct roar_color * c, unsigned char r, unsigned char g, unsigned char b);

int roar_color_copy       (struct roar_color * dst, struct roar_color * src);
int roar_color_conv       (struct roar_color * c, uint32_t system);

int roar_color_conv_gray  (struct roar_color * c, uint32_t system);
int roar_color_conv_rgb   (struct roar_color * c, uint32_t system);

int roar_color_to_string  (struct roar_color * c, char * str, size_t len);

int roar_color_to_blob    (struct roar_color * c, char * blob, size_t len);
int roar_color_from_blob  (struct roar_color * c, char * blob, size_t len);

#endif

//ll