Provided by: allegro4-doc_4.4.3.1-4.1build3_all 
      
    
NAME
       getr8,  getg8,  getb8,  getr15,  getg15,  getb15, getr16, getg16, getb16, getr24, getg24, getb24, getr32,
       getg32, getb32 - Extract a color component from the specified  pixel  format.  Allegro  game  programming
       library.
SYNOPSIS
       #include <allegro.h>
       int getr8(int c);
       int getg8(int c);
       int getb8(int c);
       int getr15(int c);
       int getg15(int c);
       int getb15(int c);
       int getr16(int c);
       int getg16(int c);
       int getb16(int c);
       int getr24(int c);
       int getg24(int c);
       int getb24(int c);
       int getr32(int c);
       int getg32(int c);
       int getb32(int c);
DESCRIPTION
       Given  a  color  in  a  display  dependent format, these functions extract one of the red, green, or blue
       components (ranging 0-255). Example:
          int r, g, b, color_value;
          color_value = _getpixel15(screen, 100, 100);
          r = getr15(color_value);
          g = getg15(color_value);
          b = getb15(color_value);
SEE ALSO
       geta32(3alleg4), getr(3alleg4), getr_depth(3alleg4), makecol(3alleg4), set_color_depth(3alleg4)
Allegro                                           version 4.4.3                                   getr8(3alleg4)