set_difference_blender man page

set_difference_blender — Enables a difference blender mode. Allegro game programming library.

Synopsis

#include <allegro.h>

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

Description

Enables a difference blender mode for combining translucent or lit truecolor pixels. This makes an image which has colours calculated by the difference between the source and destination colours.

See Also

set_trans_blender(3), drawing_mode(3)

Referenced By

set_trans_blender(3).

version 4.4.2 Allegro Allegro manual