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497 Commits

Author SHA1 Message Date
Glenn Randers-Pehrson
efe4e5d10d [libpng16] Reverted the fix of byte order in png_do_read_filler() with 16-bit 
input that was made in version 1.6.17beta01, to preserve legacy
behavior even though it was incorrect.  Instead, added new API
png_set_filter_16() and png_set_add_alpha_16() that set a flag to
make png_do_read_filter() interpret the filler bytes properly.
 2015-09-23 22:08:04 -05:00
Glenn Randers-Pehrson
a8242fe6fb [libng16] Reverted recent mistaken change of 0xnnnn to 0xnnnnUL 2015-08-17 20:46:27 -05:00
Glenn Randers-Pehrson
268c7bf68b [libpng16] Use unsigned hex constants in "reciprocal" computations 2015-08-17 12:40:19 -05:00
Glenn Randers-Pehrson
8ba4b13c55 [libpng16] Changed 0xnnnn constants to 0xnnnnUL. 2015-08-16 22:49:58 -05:00
Glenn Randers-Pehrson
8b83ff3704 [libpng16] Change "n bit" to "n-bit" in comments. 2015-08-13 20:57:18 -05:00
Glenn Randers-Pehrson
e6172809bd [libpng16] Imported from libpng-1.6.18.tar 2015-07-22 22:40:52 -05:00
Glenn Randers-Pehrson
f86720c6c0 [libpng16] Fix some indentation. 2015-06-11 22:00:14 -05:00
John Bowler
7023d871e8 [libpng16] Fix g++ build breaks 2015-06-03 15:04:03 -05:00
John Bowler
2dfcf65981 [libpng16] Fixed NO_WRITE_FILTER and -Wconversion build breaks (John Bowler). 2015-06-03 14:58:18 -05:00
Glenn Randers-Pehrson
89edbf8317 [libpng16] Removed WRITE_WEIGHTED_FILTERED code, to save a few kbytes of the 
compiled library size. It never worked properly and as far as we can
tell, no one uses it. The png_set_filter_heuristics() and
png_set_filter_heuristics_fixed() APIs are retained but deprecated
and do nothing.
 2015-05-31 22:40:36 -05:00
Glenn Randers-Pehrson
20a2f9b9be [libpng16] Imported from libpng-1.6.18beta05.tar 2015-05-31 10:20:13 -05:00
Glenn Randers-Pehrson
e6877671f1 [libpng16] Backported 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.
 2015-05-30 11:54:45 -05:00
John Bowler
8ee821e69a [libpng16] 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. Back
ported from libpng17.
 2015-05-06 20:03:14 -05:00
Glenn Randers-Pehrson
d8d18fbb02 [libpng16] Imported from libpng-1.6.18beta03.tar 2015-05-06 16:39:31 -05:00
Glenn Randers-Pehrson
c98f7fb4e3 [libpng16] Imported from libpng-1.6.17.tar 2015-03-26 08:11:12 -05:00
Glenn Randers-Pehrson
c5370ede95 [libpng16] Reverted "& 0xff" additions of version 1.6.17beta01. Libpng passes 
the Coverity scan without them.
 2015-03-21 11:54:32 -05:00
Glenn Randers-Pehrson
3e0bef6da4 [libpng16] Imported from libpng-1.6.17rc01.tar 2015-03-04 11:19:32 -06:00
Glenn Randers-Pehrson
4029db9aac [libpng16] Imported from libpng-1.6.17beta06.tar 2015-02-27 19:01:02 -06:00
Glenn Randers-Pehrson
7011a8cec3 [libpng16] Added "& 0xff" to things being typecast to "png_byte". 2015-02-27 18:53:44 -06:00
Glenn Randers-Pehrson
c6b29ff896 [libpng16] Put #ifdef/#endif around png_set_compression_level in pngwrite.c 2015-02-22 19:39:17 -06:00
Glenn Randers-Pehrson
d3ff44f0d5 [libpng16] Added PNG_WRITE_CUSTOMIZE_COMPRESSION_SUPPORTED macro, on by default. 2015-02-17 21:06:23 -06:00
Glenn Randers-Pehrson
e8ef689cb9 [libpng16] Imported from libpng-1.6.15.tar 2014-11-20 10:22:57 -06:00
Glenn Randers-Pehrson
cda68df8c1 [libpng16] Changed "#endif /* PNG_FEATURE_SUPPORTED */" to "#endif /* FEATURE */" 2014-11-06 22:11:39 -06:00
Glenn Randers-Pehrson
b963feeec6 [libpng16] More cosmetic changes 2014-11-01 13:18:36 -05:00
Glenn Randers-Pehrson
f2d4167fee [libpng16] Added a pair of parentheses suggested by clang 2014-10-31 21:17:11 -05:00
Glenn Randers-Pehrson
5d713fe123 [libpng16] Changed remaining "if (!x)" to "if (x == 0)" and "if (x)" to 
"if (x !== 0)"
 2014-10-31 20:58:40 -05:00
Glenn Randers-Pehrson
c6a8cb7d10 [libpng16] Added missing "ptr = NULL" after some instances of png_free(). 2014-10-29 08:27:34 -05:00
Glenn Randers-Pehrson
ebba0746bc [libpng16] Changed "if (!x)" to "if (x == 0)" and "if (x)" to "if (x !== 0)" 2014-10-25 12:22:39 -05:00
Glenn Randers-Pehrson
edb772fd6d [libpng16] Imported from libpng-1.6.14.tar 2014-10-22 19:32:52 -05:00
Glenn Randers-Pehrson
470d64c2dd [libpng16] Also don't mark text as written in the end_ptr until written. 2014-10-05 18:08:39 -05:00
Glenn Randers-Pehrson
a11cd84160 [libpng16] Only mark text chunks as written after successfully writing them. 2014-10-05 13:45:38 -05:00
Glenn Randers-Pehrson
d752225d05 [libpng16] Removed "text_len" parameter from private function png_write_zTXt() 
since it is unused.
 2014-10-03 17:11:50 -05:00
Glenn Randers-Pehrson
212fd5745d [libpng16] Bump version to 1.6.13beta01 2014-06-11 21:13:33 -05:00
Glenn Randers-Pehrson
e429c66cea [libpng16] Imported from libpng-1.6.12.tar 2014-06-11 20:41:51 -05:00
Glenn Randers-Pehrson
da7b692ce0 [libpng16] Bump version to 1.6.12beta01 2014-06-06 11:57:30 -05:00
Glenn Randers-Pehrson
c4e0f3de64 [libpng16] Imported from libpng-1.6.11.tar 2014-06-05 10:00:45 -05:00
Glenn Randers-Pehrson
149eea29b6 [libpng16] Imported from libpng-1.6.11beta01.tar 2014-03-17 13:19:41 -05:00
Glenn Randers-Pehrson
05670156f3 [libpng16] Use "if (value != 0)" instead of "if (value)" consistently. 2014-03-08 12:39:52 -06:00
Glenn Randers-Pehrson
71d23c4d6e [libpng16] Bump version to 1.6.11beta01 2014-03-06 21:09:24 -06:00
Glenn Randers-Pehrson
4df37bfa4f [libpng16] Imported from libpng-1.6.10.tar 2014-03-06 12:49:17 -06:00
Glenn Randers-Pehrson
9eec159ab0 [libpng16] Imported from libpng-1.6.10beta01.tar 2014-02-09 13:00:23 -06:00
John Bowler
414d7b5f7d [libpng16] Backport recent changes from libpng-1.7.0beta30 and beta31. 2014-02-06 11:39:25 -06:00
Glenn Randers-Pehrson
3e753eb8b2 [libpng16] Imported from libpng-1.6.9.tar 2014-02-05 22:33:56 -06:00
Glenn Randers-Pehrson
95a197397f [libpng16] Updated copyright year in recently-changed files. 2013-12-31 21:10:13 -06:00
Glenn Randers-Pehrson
38f49403bd [libpng16] Update "last changed" dates in recently-patched files. 2013-12-22 15:04:00 -06:00
John Bowler
c10930a4fc [libpng16] Bookkeeping: Moved functions around (no changes). Moved transform 
function definitions before the place where they are called so that
they can be masde static. Move the intrapixel functions and the
grayscale palette builder out of the png?tran.c files. The latter
isn't a transform function and is no longer used internally, and the
former MNG specific functions are better placed in pngread/pngwrite.c
 2013-12-19 15:24:06 -06:00
Glenn Randers-Pehrson
be3977de2c [libpng16] Imported from libpng-1.6.8.tar 2013-12-19 09:11:01 -06:00
John Bowler
aaf1bb1ae1 [libpng16] Updated "last changed" dates 2013-11-22 15:40:52 -06:00
Glenn Randers-Pehrson
c912050a7b [libpng16] Fixed 'minimal' builds. Various obviously useful minimal 
configurations don't build because of missing contrib/libtests test programs
and overly complex dependencies in scripts/pnglibconf.dfa. This change adds
contrib/conftest/*.dfa files that can be used in automatic build
scripts to ensure that these configurations continue to build.
 2013-11-22 14:58:04 -06:00
Glenn Randers-Pehrson
56d6bc2e88 [libpng16] Avoid dereferencing NULL pointer possibly returned from 
png_create_write_struct() (Andrew Church).
 2013-04-29 08:57:14 -05:00