rgb.h

   1 /*
   2  * Rgb.h
   3  *
   4  * Created on: 29.11.2010
   5  *
   6  * author: rofl0r
   7  *
   8  * License: LGPL 2.1+ with static linking exception
   9  *
  10  */
  11
  12 #ifndef RGB_H_
  13 #define RGB_H_
  14
  15 #include <stdint.h>
  16 #include "endianness.h"
  17
  18 typedef union {
  19         struct {
  20         #ifdef IS_LITTLE_ENDIAN
  21                 unsigned char a;
  22                 unsigned char b;
  23                 unsigned char g;
  24                 unsigned char r;
  25         #else
  26                 unsigned char r;
  27                 unsigned char g;
  28                 unsigned char b;
  29                 unsigned char a;
  30         #endif
  31         };
  32         uint32_t asInt;
  33 } rgb_t;
  34
  35 typedef struct {
  36         rgb_t bgcolor;
  37         rgb_t fgcolor;
  38 } rgb_tuple;
  39
  40
  41 #ifdef IS_LITTLE_ENDIAN
  42 #define RGB(x,y,z) ((rgb_t) {{0, z, y, x}})
  43 #else
  44 #define RGB(x,y,z) ((rgb_t) {{x, y, z, 0}})
  45 #endif
  46
  47 #define RGB_INIT(R,G,B) {.r = R, .g = G, .b = B, .a = 0}
  48 #define RGBA_INIT(R,G,B,A) {.r = R, .g = G, .b = B, .a = A}
  49
  50 #endif /* RGB_H_ */