Allegro 5 api
#include <allegro5/allegro_font.h> ALLEGRO_FONT *al_load_bitmap_font(const char *fname)
Load a bitmap font from. It does this by first calling al_load_bitmap(3alleg5) and then al_grab_font_from_bitmap(3alleg5). If you want to for example load an old A4 font, you could load the bitmap yourself, then call al_convert_mask_to_alpha(3alleg5) on it and only then pass it to al_grab_font_from_bitmap(3alleg5).