set_hue_blender - Enables a hue blender mode. Allegro game programming library.
#include <allegro.h> void set_hue_blender(int r, int g, int b, int a);
Enables a hue blender mode for combining translucent or lit truecolor pixels. This applies the hue of the source to the destination.
set_trans_blender(3alleg), drawing_mode(3alleg)