libpng/ANNOUNCE
Glenn Randers-Pehrson 1088f4925f [libpng16] Fixed old cut&paste bug in the weighted filter selection code in
pngwutil.c, introduced in libpng-0.95, March 1997.
2015-05-30 22:58:54 -05:00

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Libpng 1.6.18beta05 - May 31, 2015
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.
Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
1.6.18beta05.tar.xz (LZMA-compressed, recommended)
1.6.18beta05.tar.gz
Source files with CRLF line endings (for Windows), without the
"configure" script
lp1618b05.7z (LZMA-compressed, recommended)
lp1618b05.zip
Other information:
1.6.18beta05-README.txt
1.6.18beta05-LICENSE.txt
libpng-1.6.18beta05-*.asc (armored detached GPG signatures)
Changes since the last public release (1.6.17):
Version 1.6.18beta01 [April 1, 2015]
Removed PNG_SET_CHUNK_[CACHE|MALLOC]_LIMIT_SUPPORTED macros. They
have been combined with PNG_SET_USER_LIMITS_SUPPORTED (resolves
bug report by Andrew Church).
Fixed rgb_to_gray checks and added tRNS checks to pngvalid.c. This
fixes some arithmetic errors that caused some tests to fail on
some 32-bit platforms (Bug reports by Peter Breitenlohner [i686]
and Petr Gajdos [i586]).
Version 1.6.18beta02 [April 26, 2015]
Suppressed some warnings from the Borland C++ 5.5.1/5.82 compiler
(Bug report by Viktor Szaka'ts).
Version 1.6.18beta03 [May 6, 2015]
Replaced "unexpected" with an integer (0xabadca11) in pngset.c
where a long was expected, to avoid a compiler warning when PNG_DEBUG > 1.
Added contrib/examples/simpleover.c, to demonstrate how to handle
alpha compositing of multiple images, using the "simplified API"
and an example PNG generation tool, contrib/examples/genpng.c
(John Bowler).
Version 1.6.18beta04 [May 20, 2015]
PNG_RELEASE_BUILD replaces tests where the code depended on the build base
type and can be defined on the command line, allowing testing in beta
builds (John Bowler).
Avoid Coverity issue 80858 (REVERSE NULL) in pngtest.c
Avoid a harmless potential integer overflow in png_XYZ_from_xy() (Bug
report from Christopher Ferris).
Version 1.6.18beta05 [May 31, 2015]
Backport filter selection code from libpng-1.7.0beta51, to combine
sub_row, up_row, avg_row, and paeth_row into try_row and tst_row.
Changed png_voidcast(), etc., to voidcast(), etc., in contrib/tools/pngfix.c
to avoid confusion with the libpng private macros.
Fixed old cut&paste bug in the weighted filter selection code in
pngwutil.c, introduced in libpng-0.95, March 1997.
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or to glennrp at users.sourceforge.net
Glenn R-P