getg24 man page on DragonFly

getg24 man page on DragonFly

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getr8(3)			Allegro manual			      getr8(3)

NAME
       getr8,  getg8,  getb8,  getr15, getg15, getb15, getr16, getg16, getb16,
       getr24, getg24, getb24, getr32, getg32, getb32 - Extract a color compo‐
       nent 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(3), getr(3), getr_depth(3), makecol(3), set_color_depth(3)

Allegro				 version 4.4.2			      getr8(3)

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