import bitmaptools
import displayio
import _bmp16

if "/" in __file__:
    here = __file__.rsplit("/", 1)[0]
else:
    here = "."

c = displayio.Colorspace.BGR565

b1 = _bmp16.loadbmp16(here + "/minerva16.bmp")
b3 = displayio.Bitmap(320, 240, 65536)

bitmaptools.dither(b3, b1, c)
_bmp16.writebmp16(f"dither-atkinson.bmp", b3)
bitmaptools.dither(b3, b1, c, bitmaptools.DitherAlgorithm.FloydStenberg)
_bmp16.writebmp16(f"dither-floydstenberg.bmp", b3)