al_convert_mask_to_alpha(3alleg5) | al_convert_mask_to_alpha(3alleg5) |
al_convert_mask_to_alpha - Allegro 5 API
#include <allegro5/allegro.h> void al_convert_mask_to_alpha(ALLEGRO_BITMAP *bitmap, ALLEGRO_COLOR mask_color)
Convert the given mask color to an alpha channel in the bitmap. Can be used to convert older 4.2-style bitmaps with magic pink to alpha-ready bitmaps.
Allegro reference manual |