php man page for set_saturation_blender

set_saturation_blender(3alleg4) 				  Allegro manual				   set_saturation_blender(3alleg4)

NAME
       set_saturation_blender - Enables a saturation blender mode. Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

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

DESCRIPTION
       Enables	a  saturation blender mode for combining translucent or lit truecolor pixels. Applies the saturation of the source to the destina-
       tion image.

SEE ALSO
       set_trans_blender(3alleg4), drawing_mode(3alleg4)

Allegro 							   version 4.4.2				   set_saturation_blender(3alleg4)