set_screen_blender(3) Allegro manual set_screen_blender(3)NAMEset_screen_blender - Enables a screen blender mode. Allegro game pro‐
gramming 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 true‐
color 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 ALSOset_trans_blender(3), drawing_mode(3)Allegro version 4.4.2 set_screen_blender(3)