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by woodruffw
1346 days ago
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Correct: at least for the recreated version[1], the blocksize is 128 but the pixels are uncompressed 24-bit RGB values. So you end up with 5.33 (repeating) pixels per block, which makes running spans of of the same color transform into runs of a different color with a little bit of "noise" (always the same) at the end. Do that enough and wrap it around at the width, and you end up with a diagonal/houndstooth-like pattern. [1]: https://words.filippo.io/the-ecb-penguin/ |
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