DragonFly On-Line Manual Pages

set_invert_blender(3)           Allegro manual           set_invert_blender(3)

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(3), drawing_mode(3)

Allegro                          version 4.4.2           set_invert_blender(3)