DOKK / manpages / debian 12 / allegro4-doc / set_dodge_blender.3alleg4.en
set_dodge_blender(3alleg4) Allegro manual set_dodge_blender(3alleg4)

set_dodge_blender - Enables a dodge blender mode. Allegro game programming library.

#include <allegro.h>

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

Enables a dodge blender mode for combining translucent or lit truecolor pixels. The lightness of colours in the source lighten the colours of the destination. White has the most effect; black has none.

set_trans_blender(3alleg4), drawing_mode(3alleg4)

version 4.4.3 Allegro