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set_screen_blender(3)		 Allegro manual 	   set_screen_blender(3)

NAME
     set_screen_blender  -  Enables a screen blender mode. Allegro game program-
     ming library.

SYNOPSIS
     #include <allegro.h>

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

DESCRIPTION
     Enables a screen blender mode for combining translucent  or  lit  truecolor
     pixels.  This  blender mode lightens the colour of the destination image by
     multiplying the inverse of the source and destination colours. Sort of like
     the opposite of the multiply blender mode.

SEE ALSO
     set_trans_blender(3), drawing_mode(3)

Allegro 			  version 4.4.3 	   set_screen_blender(3)

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