DOKK / manpages / debian 10 / allegro4-doc / set_hue_blender.3alleg4.en
set_hue_blender(3alleg4) Allegro manual set_hue_blender(3alleg4)

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(3alleg4), drawing_mode(3alleg4)

version 4.4.2 Allegro