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set_burn_blender(3)             Allegro manual             set_burn_blender(3)

NAME
       set_burn_blender - Enables a burn blender mode. Allegro game
       programming library.

SYNOPSIS
       #include <allegro.h>

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

DESCRIPTION
       Enables a burn blender mode for combining translucent or lit truecolor
       pixels. Here the lightness values of the colours of the source image
       reduce the lightness of the destination image, darkening the image.

SEE ALSO
       set_trans_blender(3), drawing_mode(3)

Allegro                          version 4.4.2             set_burn_blender(3)