spngsave: Don't shift indexed pixels #3101
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D'oh! Thanks for fixing this dumb thing. |
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... I updated master as well. |
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Hey!
The commit ca2796a have broken saving paletted PNGs with low bit-depth (< 8). This happens because palette indexes can't be larger than
1 << bitdepth, so shifting makes all of them zeroes.Fixes imgproxy/imgproxy#1013