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.

RELATED TO set_difference_blender…

set_trans_blender(3alleg4), drawing_mode(3alleg4)