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[libpng16] Revised png_set_keep_unknown_chunks() so num_chunks < 0 means

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ignore all unknown chunks and all known chunks except for IHDR, PLTE, tRNS,
IDAT, and IEND.  Previously it only meant ignore all unknown chunks, the
same as num_chunks == 0. Revised png_image_skip_unused_chunks() to
provide a list of chunks to be processed instead of a list of chunks to
ignore.  Revised contrib/gregbook/readpng2.c accordingly.
This commit is contained in:
Glenn Randers-Pehrson
2012-06-16 13:26:28 -05:00
parent 0546e4e579
commit 96b917056d
8 changed files with 144 additions and 93 deletions
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10
ANNOUNCE
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@@ -1,5 +1,5 @@
Libpng 1.6.0beta25 - June 12, 2012
Libpng 1.6.0beta25 - June 16, 2012
This is not intended to be a public release. It will be replaced
within a few weeks by a public version or by another test version.
@@ -385,7 +385,13 @@ Version 1.6.0beta23 [June 6, 2012]
Version 1.6.0beta24 [June 7, 2012]
Don't check palette indexes if num_palette is 0 (as it can be in MNG files).
Version 1.6.0beta25 [June 12, 2012]
Version 1.6.0beta25 [June 16, 2012]
Revised png_set_keep_unknown_chunks() so num_chunks < 0 means ignore all
unknown chunks and all known chunks except for IHDR, PLTE, tRNS, IDAT,
and IEND. Previously it only meant ignore all unknown chunks, the
same as num_chunks == 0. Revised png_image_skip_unused_chunks() to
provide a list of chunks to be processed instead of a list of chunks to
ignore. Revised contrib/gregbook/readpng2.c accordingly.
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