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al_convert_bitmap - Allegro 5 API
#include <allegro5/allegro.h> void al_convert_bitmap(ALLEGRO_BITMAP *bitmap)
Converts the bitmap to the current bitmap flags and format. The bitmap will be as if it was created anew with al_create_bitmap(3alleg5) but retain its contents. All of this bitmap's sub-bitmaps are also converted. If the new bitmap type is memory, then the bitmap's projection bitmap is reset to be orthographic. If this bitmap is a sub-bitmap, then it, its parent and all the sibling sub-bitmaps are also converted.
al_create_bitmap(3alleg5), al_set_new_bitmap_format(3alleg5), al_set_new_bitmap_flags(3alleg5), al_clone_bitmap(3alleg5)