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 4.2.3       set_difference_blender(3)
