Provided by: allegro4-doc_4.4.2-4_all
NAME
set_invert_blender - Enables an invert blender mode. Allegro game programming library.
SYNOPSIS
#include <allegro.h> void set_invert_blender(int r, int g, int b, int a);
DESCRIPTION
Enables an invert blender mode for combining translucent or lit truecolor pixels. Blends the inverse (or negative) colour of the source with the destination.
SEE ALSO
set_trans_blender(3alleg4), drawing_mode(3alleg4)