php man page for set_color_blender

set_color_blender(3alleg4)					  Allegro manual					set_color_blender(3alleg4)

NAME
       set_color_blender - Enables a color blender mode. Allegro game programming library.

SYNOPSIS
       #include <allegro.h>

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

DESCRIPTION
       Enables	a color blender mode for combining translucent or lit truecolor pixels. Applies only the hue and saturation of the source image to
       the destination image. The luminance of the destination image is not affected.

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

Allegro 							   version 4.4.2					set_color_blender(3alleg4)