2015-12-17 21:51:13 -05:00
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Libpng 1.6.21beta03 - December 18, 2015
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2011-11-03 00:06:45 -04:00
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2015-12-08 23:18:01 -05:00
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This is not intended to be a public release. It will be replaced
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within a few weeks by a public version or by another test version.
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1998-04-21 16:03:57 -04:00
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2006-02-22 10:19:25 -05:00
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Files available for download:
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Source files with LF line endings (for Unix/Linux) and with a
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"configure" script
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2015-12-14 00:19:46 -05:00
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1.6.21beta03.tar.xz (LZMA-compressed, recommended)
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1.6.21beta03.tar.gz
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2006-03-31 06:29:33 -05:00
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2006-02-22 10:19:25 -05:00
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Source files with CRLF line endings (for Windows), without the
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"configure" script
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2015-12-14 00:19:46 -05:00
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/scratch/glennrp/Libpng16/lp1621b03.7z (LZMA-compressed, recommended)
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/scratch/glennrp/Libpng16/lp1621b03.zip
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2006-02-22 10:19:25 -05:00
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Other information:
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2015-12-14 00:19:46 -05:00
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1.6.21beta03-README.txt
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1.6.21beta03-LICENSE.txt
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libpng-1.6.21beta03-*.asc (armored detached GPG signatures)
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2015-12-08 23:18:01 -05:00
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Changes since the last public release (1.6.20):
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2015-12-14 00:13:16 -05:00
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Version 1.6.21beta01 [December 11, 2015]
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2015-12-11 17:28:03 -05:00
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Fixed syntax "$(command)" in tests/pngstest that some shells other than
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bash could not parse (Bug report by Nelson Beebe). Use `command` instead.
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2015-12-14 00:13:16 -05:00
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Version 1.6.21beta02 [December 14, 2015]
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2015-12-13 16:04:18 -05:00
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Moved png_check_keyword() from pngwutil.c to pngset.c
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2015-12-13 21:35:15 -05:00
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Removed LE/BE dependencies in pngvalid, to 'fix' the current problem
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in the BigEndian tests by not testing it, making the BE code the same
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as the LE version.
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Fixes to pngvalid for various reduced build configurations (eliminate unused
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statics) and a fix for the case in rgb_to_gray when the digitize option
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reduces graylo to 0, producing a large error.
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2015-11-29 17:30:05 -05:00
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2015-12-17 21:51:13 -05:00
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Version 1.6.21beta03 [December 18, 2015]
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2015-12-15 13:55:56 -05:00
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Widened the 'limit' check on the internally calculated error limits in
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the 'DIGITIZE' case (the code used prior to 1.7 for rgb_to_gray error
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checks) and changed the check to only operate in non-release builds
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(base build type not RC or RELEASE.)
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2015-12-17 21:51:13 -05:00
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Fixed undefined behavior in pngvalid.c, undefined because
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(png_byte) << shift is undefined if it changes the signed bit
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(because png_byte is promoted to int). The libpng exported functions
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png_get_uint_32 and png_get_uint_16 handle this. (Bug reported by
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David Drysdale as a result of reports from UBSAN in clang 3.8).
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This changes pngvalid to use BE random numbers; this used to produce
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errors but these should not be fixed as a result of the previous changes.
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2015-12-14 00:13:16 -05:00
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2014-07-30 09:09:22 -04:00
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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https://lists.sourceforge.net/lists/listinfo/png-mng-implement
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to subscribe)
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or to glennrp at users.sourceforge.net
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Glenn R-P
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