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Convert photos to Atkinson dithering
This is an implementation of the classic Macintosh 1-bit filter, as used by Hyperdither and HyperScan originally. It compares every pixel to 50% grey, then changes them to either black or white.
This is an implementation of the classic Macintosh 1-bit filter, as used by Hyperdither and HyperScan originally. It compares every pixel to 50% grey, then changes them to either black or white. The difference between the input and the output is then distributed to the neighbouring pixels as follows(X is the current pixel):
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