DotDebian bfe9bf9af4 fix(pngenc): restrict adaptive filtering to the requested filter subset ... A filter_type naming a subset of the PNG filters used only the first filter of the mask, because stb's writer is either fully adaptive or forced to one filter. Decoder::Png::Encode now takes the set of allowed filter types, filters the rows and writes the chunks itself, and keeps stb for deflate only. Output for the all-filters and single-filter cases is unchanged. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>		2026-10-05 02:08:31 +02:00
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Decoder	fix(pngenc): restrict adaptive filtering to the requested filter subset	2026-10-05 02:08:31 +02:00