al_set_new_bitmap_format
void al_set_new_bitmap_format(int format)
Sets the pixel format for newly created bitmaps. The default format is 0 and means the display driver will choose the best format.
See also: ALLEGRO_PIXEL_FORMAT, al_get_new_bitmap_format, al_get_bitmap_format
Examples: ex_blend_test, ex_convert, ex_draw, ex_pixelformat, ex_threads2
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