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472 Commits

Author SHA1 Message Date
John Bowler
b98681b49a [libpng16] Improved ICC profile handling including cHRM chunk generation and 
fixed Cygwin+MSVC build errors. The ICC profile handling now includes more
checking.  Several errors that caused rejection of the profile are now
handled with a warning in such a way that the invalid profiles will be
read by default in release (but not pre-RC) builds but will not be
written by default.  The easy part of handling a cHRM chunk is written,
where the ICC profile contains the required data.  The more difficult
part plus guessing a gAMA value requires code to pass selected RGB values
through the profile.
 2012-09-04 16:35:20 -05:00
Glenn Randers-Pehrson
fd043e5d0d [libpng16] Bump version to 1.6.0beta29 2012-08-29 14:18:24 -05:00
Glenn Randers-Pehrson
cc02f89eb2 [libpng16] Imported from libpng-1.6.0beta28.tar 2012-08-29 14:18:15 -05:00
Glenn Randers-Pehrson
702053d110 [libpng16] Bump version to 1.6.0beta28 2012-08-17 21:54:45 -05:00
John Bowler
e9567514dd [libpng16] Unknown handling fixes and clean up. This adds more correct option 
control of the unknown handling, corrects the pre-existing bug where
the per-chunk 'keep' setting is ignored and makes it possible to skip
IDAT chunks in the sequential reader (broken in earlier 1.6 versions).
There is a new test program, test-unknown.c, which is a work in progress
(not currently part of the test suite).  Comments in the header files now
explain how the unknown handling works.
 2012-08-15 22:53:00 -05:00
Glenn Randers-Pehrson
b593b3f035 [libpng16] Bump version to 1.6.0beta28 2012-08-11 18:32:36 -05:00
Glenn Randers-Pehrson
0f08665bfb [libpng16] Imported from libpng-1.6.0beta27.tar 2012-08-11 18:31:44 -05:00
Glenn Randers-Pehrson
05ed18e7d1 [libpng16] Bump version to 1.6.0beta27 2012-07-21 11:02:42 -05:00
Glenn Randers-Pehrson
edb3523a9b [libpng16] Imported from libpng-1.6.0beta26.tar 2012-07-10 21:00:41 -05:00
Glenn Randers-Pehrson
4a37149f66 [libpng16] Bump version to 1.6.0beta26 2012-06-16 14:50:34 -05:00
Glenn Randers-Pehrson
fc58b17772 [libpng16] Imported from libpng-1.6.0beta25.tar 2012-06-16 14:42:22 -05:00
Glenn Randers-Pehrson
d630301d99 [libpng16] Bump version to 1.6.0beta25 2012-06-07 10:29:14 -05:00
Glenn Randers-Pehrson
2ec8409046 [libpng16] Imported from libpng-1.6.0beta24.tar 2012-06-07 10:29:06 -05:00
Glenn Randers-Pehrson
8f424b8270 [libpng16] Bump version to 1.6.0beta24 2012-06-06 13:54:41 -05:00
Glenn Randers-Pehrson
cc46157421 [libpng16] Imported from libpng-1.6.0beta23.tar 2012-06-06 13:54:28 -05:00
Glenn Randers-Pehrson
04c1c078b9 [libpng16] Bump version to 1.6.0beta23 2012-05-23 13:19:38 -05:00
Glenn Randers-Pehrson
8f4d67218e [libpng16] Imported from libpng-1.6.0beta22.tar 2012-05-23 13:19:30 -05:00
Glenn Randers-Pehrson
040575c80b [libpng16] Bump version to 1.6.0beta22 2012-04-28 06:34:57 -05:00
Glenn Randers-Pehrson
43309056ac [libpng16] Imported from libpng-1.6.0beta21.tar 2012-04-28 06:34:48 -05:00
Glenn Randers-Pehrson
f229d4df3a [libpng16] Bump version to 1.6.0beta21 2012-03-29 07:42:45 -05:00
John Bowler
921648a997 [libpng16] Recognize known sRGB ICC profiles while reading; prefer writing the 
iCCP profile over writing the sRGB chunk, controlled by the
    PNG_sRGB_PROFILE_CHECKS option.
 2012-03-28 23:36:12 -05:00
Glenn Randers-Pehrson
48015617d3 [libpng16] Recognize known sRGB ICC profiles while reading and issue a warning 
about it, if PNG_WARN_IF_iCCP_IS_sRGB_SUPPORTED is defined.
 2012-03-28 10:58:01 -05:00
John Bowler
b11b31aea2 [libpng16] Changed chunk handler warnings into benign errors, incrementally 
load iCCP
 2012-03-21 07:55:46 -05:00
Glenn Randers-Pehrson
51624965e2 [libpng16] Bump version to 1.6.0beta20 2012-03-19 11:04:48 -05:00
Glenn Randers-Pehrson
ce9d8a3f48 [libpng16] Imported from libpng-1.6.0beta19.tar 2012-03-19 10:54:55 -05:00
Glenn Randers-Pehrson
42ed02ed9a [libpng16] Reverted png_set_itxt(); it would not compile without warnings. 2012-03-16 23:17:27 -05:00
Glenn Randers-Pehrson
d15d124d6d [libpng16] Bump version to 1.6.0beta19 2012-03-16 08:35:36 -05:00
John Bowler
aa816c4444 [libpng16] Added configuration support for benign errors and changed the read 
default. Also changed some warnings in the iCCP and sRGB handling
from to benign errors. Configuration now makes read benign
errors warnings and write benign errors to errors by default (thus
changing the behavior on read).  The simplified API always forces
read benign errors to errors (regardless of the system default, unless
this is disabled in which case the simplified API can't be built.)
 2012-03-16 07:39:49 -05:00
Glenn Randers-Pehrson
71db131882 [libpng16] Bump version to 1.6.0beta18 2012-03-09 22:15:09 -06:00
Glenn Randers-Pehrson
bf7661f01b [libpng16] Imported from libpng-1.6.0beta17.tar 2012-03-09 22:15:01 -06:00
John Bowler
b5d0051dcb [libpng16] Deflate/inflate was reworked to move common zlib calls into single 
functions [rw]util.c.  A new shared keyword check routine was also added
and the 'zbuf' is no longer allocated on progressive read.  It is now
possible to call png_inflate() incrementally.
 2012-03-09 09:15:18 -06:00
Glenn Randers-Pehrson
b57c1c9e6e [libpng16] Bump version to 1.6.0beta17 2012-03-05 21:35:40 -06:00
Glenn Randers-Pehrson
0c98cc7023 [libpng16] Imported from libpng-1.6.0beta16.tar 2012-03-05 21:28:03 -06:00
Glenn Randers-Pehrson
363ae65e2b [libpng16] Added tests for invalid palette index while reading and writing 
(work in progress, the latter isn't finished).
 2012-03-01 21:39:29 -06:00
Glenn Randers-Pehrson
b7e32059d3 [libpng16] Bump version to 1.6.0beta15 2012-02-26 21:38:19 -06:00
Glenn Randers-Pehrson
faf38eea03 [libpng16] Imported from libpng-1.6.0beta14.tar 2012-02-26 21:38:09 -06:00
Glenn Randers-Pehrson
16bb03b8b4 [libpng16] Bump version to 1.6.0beta14 2012-02-24 11:52:56 -06:00
Glenn Randers-Pehrson
4690b89eaa [libpng16] Added PNG_SAFE_LIMITS feature to pnglibconf.dfa, pngpriv.h, and new pngusr.dfa 
to reset the user limits to safe ones if PNG_SAFE_LIMITS is defined.
To enable, use CPPFLAGS=-DPNG_SAFE_LIMITS on the configure command
or put #define PNG_SAFE_LIMITS_SUPPORTED in pnglibconf.h.prebuilt.
(Reverted previous implementation of PNG_SECURE.)
 2012-02-24 11:43:31 -06:00
Glenn Randers-Pehrson
10c0693210 [libpng16] Added PNG_SECURE feature to pnglibconf.dfa and new pngusr.dfa file 
to reset the user limits to safe ones if PNG_SECURE is defined.
 2012-02-23 18:41:13 -06:00
Glenn Randers-Pehrson
7d5bf79d88 [libpng16] Bump version to 1.6.0beta13 2012-02-18 22:54:56 -06:00
Glenn Randers-Pehrson
566fb611b6 [libpng16] Bump version to 1.6.0beta12 2012-02-16 20:24:39 -06:00
Glenn Randers-Pehrson
c737b7cf70 [libpng16] Imported from libpng-1.6.0beta11.tar 2012-02-16 20:16:09 -06:00
Glenn Randers-Pehrson
3449169622 [libpng16] Bump version to 1.6.0beta11 2012-02-03 02:01:02 -06:00
Glenn Randers-Pehrson
04afaab56a [libpng16] Bump version to 1.6.0beta10 2012-02-03 00:39:02 -06:00
Glenn Randers-Pehrson
db6850b389 [libpng16] Bump version to 1.6.0beta10 2012-02-01 15:41:43 -06:00
Glenn Randers-Pehrson
0d4d0b4d32 [libpng16] Bump version to libpng-1.6.0beta09.tar 2012-01-31 22:58:08 -06:00
Glenn Randers-Pehrson
5bffd6c6d5 [libpng16] Imported from libpng-1.6.0beta08.tar 2012-01-31 22:46:45 -06:00
Glenn Randers-Pehrson
573a51143a [libpng16] bump version to 1.6.0beta08 2012-01-27 22:37:58 -06:00
Glenn Randers-Pehrson
6690011811 [libpng16] Imported from libpng-1.6.0beta07.tar 2012-01-27 22:29:22 -06:00
Glenn Randers-Pehrson
99c7ad2904 [libpng16] bump version to 1.6.0beta07 2012-01-24 08:06:01 -06:00