.\" Generated by the Allegro makedoc utility
.TH set_difference_blender 3alleg4 "version 4.4.2" "Allegro" "Allegro manual"
.SH NAME
set_difference_blender \- Enables a difference blender mode. Allegro game programming library.\&
.SH SYNOPSIS
.B #include <allegro.h>

.sp
.B void set_difference_blender(int r, int g, int b, int a);
.SH 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.

.SH SEE ALSO
.BR set_trans_blender (3alleg4),
.BR drawing_mode (3alleg4)