def METHOD_NAME(self, img: Image.Image) -> None:
    tiles, _, pals = METHOD_NAME(
        img, 16, 1, ICON_DIM_TILE, ICON_DIM_IMG_PX, ICON_DIM_IMG_PX, optimize=False
    )
    self.bitmap = bytes(itertools.chain.from_iterable(tiles))
    self._palette = pals[0]