"""BBC monochrome -- MODE 0's 640x256 black & white, exposed as the standard
``mono`` mode for cross-platform parity (tone carried by dithering)."""
from __future__ import annotations

from . import mode0

WIDTH, HEIGHT, PIXEL_ASPECT = mode0.WIDTH, mode0.HEIGHT, mode0.PIXEL_ASPECT


def convert(img_rgb, palette_name="bbc", dither_mode="floyd",
            intensive=False, base_color=None):
    conv = mode0.convert(img_rgb, palette_name, dither_mode, intensive,
                         base_color=base_color)
    conv.mode = "mono"
    return conv