32 lines
616 B
Python
32 lines
616 B
Python
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import bitmaptools
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import displayio
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import _bmp16
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if "/" in __file__:
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here = __file__.rsplit("/", 1)[0]
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else:
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here = "."
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c = displayio.Colorspace.BGR565
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b1 = _bmp16.loadbmp16(here + "/minerva16.bmp")
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b3 = displayio.Bitmap(320, 240, 65536)
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for i in (
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0,
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1 / 64,
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3 / 64,
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3 / 32,
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3 / 16,
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0.5,
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1 - 3 / 16,
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1 - 3 / 32,
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1 - 3 / 64,
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1 - 1 / 64,
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1,
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):
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bitmaptools.dither(b3, b1, c)
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_bmp16.writebmp16(f"dither-atkinson.bmp", b3)
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bitmaptools.dither(b3, b1, c, bitmaptools.DitherAlgorithm.FloydStenberg)
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_bmp16.writebmp16(f"dither-floydstenberg.bmp", b3)
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