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set_difference_blender(3)	Allegro	manual	     set_difference_blender(3)

NAME
       set_difference_blender  -  Enables  a  difference blender mode. Allegro
       game programming	library.

SYNOPSIS
       #include	<allegro.h>

       void set_difference_blender(int r, int g, int b,	int a);

DESCRIPTION
       Enables a difference blender mode  for  combining  translucent  or  lit
       truecolor  pixels.  This	makes an image which has colours calculated by
       the difference between the source and destination colours.

SEE ALSO
       set_trans_blender(3), drawing_mode(3)

Allegro				 version 4.4.3	     set_difference_blender(3)

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