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Fix Paeth for bit depth < 8.

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Jeroen van Rijn
2021-05-01 20:39:00 +02:00
parent b845db1618
commit 433d742183
1 changed files with 1 additions and 1 deletions
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core/image/png/png.odin
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@@ -1362,7 +1362,7 @@ defilter_less_than_8 :: proc(params: ^Filter_Params) -> (ok: bool) #no_bounds_ch
dest[i] = (src[i] + paeth) & 255; dest[i] = (src[i] + paeth) & 255;
} }
for k in 0..nk { for k in 0..nk {
paeth := filter_paeth(dest[k], up[channels], up[k]); paeth := filter_paeth(dest[k], up[channels+k], up[k]);
dest[channels+k] = (src[channels+k] + paeth) & 255; dest[channels+k] = (src[channels+k] + paeth) & 255;
} }
case: case: