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638 Commits

Author SHA1 Message Date
John Bowler
aaf1bb1ae1 [libpng16] Updated "last changed" dates 2013-11-22 15:40:52 -06:00
Glenn Randers-Pehrson
113213416c [libpng16] Conditionally compile some unused functions reported by -Wall 
in pngminim.
 2013-11-18 20:12:24 -06:00
Glenn Randers-Pehrson
0ea69cdfa9 [libpng16] Imported from libpng-1.6.7.tar 2013-11-14 12:28:05 -06:00
John Bowler
0441ff62e7 [libpng16] Remove spurious "#ifdef PNG_sRGB_SUPPORTED" from pngrutil.c 2013-10-04 19:28:48 -05:00
Glenn Randers-Pehrson
b3721757a0 [libpng16] Catch up with some recent changes that did not get merged. 2013-09-30 13:56:44 -05:00
John Bowler
8f381901e3 [libpng16] Avoid up-cast warnings in pngvalid.c. On ARM the alignment 
requirements of png_modifier are greater than that of png_store and as a
consequence compilation of pngvalid.c results in a warning about increased
alignment requirements because of the bare cast to (png_modifier*). The code
is safe, because the pointer is known to point to a stack allocated
png_modifier, but this change avoids the warning.

  Fixed default behavior of ARM_NEON_API. If the ARM NEON API option was
    compiled without the CHECK option it defaulted to on, not off.

  Check user callback behavior in pngunknown.c. Previous versions compiled
    if SAVE_UNKNOWN was not available but did nothing since the callback
    was never implemented.

  Merged pngunknown.c with 1.7 version and back ported 1.7 improvements/fixes
 2013-09-30 11:24:17 -05:00
John Bowler
15a80443de [libpng16] Allow HANDLE_AS_UNKNOWN to work when other options are configured 
off. Also fixed the pngminim makefiles to work when $(MAKEFLAGS) contains stuff
which terminates the make options (as by default in recent versions of Gentoo).
 2013-09-21 10:06:32 -05:00
Glenn Randers-Pehrson
6f8f004fe1 [libpng16] Added #ifdef PNG_READ_SUPPORTED/endif around the 
png_chunk_unknown_handling() function, and restored the unknown-chunk
handling code from libpng-1.6.6.

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Glenn R-P
 2013-09-20 15:40:15 -05:00
Glenn Randers-Pehrson
873f16fe2f [libpng16] Reverted the change to unknown handling #defines; the change 
breaks 'NOREAD' builds.
 2013-09-20 14:28:50 -05:00
Glenn Randers-Pehrson
7ae451f527 [libpng16] Bump version to 1.6.7beta01 2013-09-16 11:47:17 -05:00
Glenn Randers-Pehrson
391459424e [libpng16] Imported from libpng-1.6.6.tar 2013-09-16 10:39:16 -05:00
Glenn Randers-Pehrson
53ae7dc514 [libpng16] Imported from libpng-1.6.5.tar 2013-09-14 09:44:09 -05:00
Glenn Randers-Pehrson
cd6a3ef31f [libpng16] Bump version to 1.6.5beta01 2013-09-12 08:02:22 -05:00
Glenn Randers-Pehrson
209d3eb5c6 [libpng16] Imported from libpng-1.6.4.tar 2013-09-12 07:27:14 -05:00
Glenn Randers-Pehrson
8c49ddcf56 [libpng16] Imported from libpng-1.6.4beta02.tar 2013-08-29 19:39:34 -05:00
Glenn Randers-Pehrson
324402044f [libpng16] Imported from libpng-1.6.4beta01.tar 2013-08-21 18:45:24 -05:00
Glenn Randers-Pehrson
685d79e27a [libpng16] Delay calling png_init_filter_functions() until a row with nonzero 
filter is found.
 2013-08-20 21:15:31 -05:00
Glenn Randers-Pehrson
847e9efb66 [libpng16] Imported from libpng-1.6.3.tar 2013-07-17 19:13:23 -05:00
Glenn Randers-Pehrson
db56fa18c2 [libpng16] Revised "/*SAFE*/" comment in pngrutil.c 2013-07-15 10:09:54 -05:00
Glenn Randers-Pehrson
bc8e40d611 [libpng16] Added "/* SAFE */" comments in pngrutil.c and pngrtran.c 
where warnings may be erroneously issued by code-checking applications.
Revised manual about changes in iTXt chunk handling made in libpng-1.6.0.
 2013-07-15 08:44:53 -05:00
Glenn Randers-Pehrson
56a1a66656 [libpng16] Imported from libpng-1.6.3beta09.tar 2013-06-27 18:01:30 -05:00
John Bowler
9afb90f885 [libpng16] Attempt to detect configuration issues with pngdeflate, 
which requires both the correct libpng and the correct zlib to function
correctly.
 2013-05-08 14:21:46 -05:00
John Bowler
294d0b8408 [libpng16] Detect wrong libpng versions linked to pngdeflate, which currently 
only works with libpng versions that can be made to reliably fail when
    the deflate data contains an out-of-window reference.  This means only
    1.6 and later.
  Fixed gnu issues: g++ needs a static_cast, gcc 4.4.7 has a broken warning
    message which it is easier to work round than ignore.
 2013-05-08 08:56:45 -05:00
Glenn Randers-Pehrson
62c6fbbd29 [libpng16] Check that PNG_MAXIMUM_INFLATE_WINDOW is defined before using it. 2013-05-07 23:16:06 -05:00
John Bowler
0c7ac064d3 [libpng16] Added an option to force maximum window size for inflating. 
For inflate, reverted previous fixes.
Added fixitxt and pngdeflate to the built programs and removed warnings
from the source code and timepng that are revealed as a result.  Fixed
fixitxt when the chunk length is more than 65535 (untested, no test case).
 2013-05-07 21:59:05 -05:00
Glenn Randers-Pehrson
db67cba8d4 [libpng16] Check for EOF in contrib/pngminus/pnm2png.c (Paul Stewart). 
Ignore "#" delimited comments in input file to pnm2png.c.
 2013-05-07 14:31:35 -05:00
Glenn Randers-Pehrson
2fd3434fa4 [libpng16] Imported from libpng-1.6.3beta04.tar 2013-05-06 09:55:18 -05:00
Glenn Randers-Pehrson
127b08a265 [libpng16] Calculate our own zlib windowBits when decoding rather than 
trusting the CMF bytes in the PNG datastream.
 2013-05-05 22:13:47 -05:00
Glenn Randers-Pehrson
399430dac2 [libpng16] Update "last changed" comments. 2013-04-25 09:52:00 -05:00
Glenn Randers-Pehrson
3f677d1c65 [libpng16] Bump version to 1.6.3beta01 2013-04-25 09:19:04 -05:00
Glenn Randers-Pehrson
809355b4aa [libpng16] Imported from libpng-1.6.2.tar 2013-04-25 07:29:41 -05:00
Glenn Randers-Pehrson
6e1c74b39b [libpng16] Imported from libpng-1.6.2rc03.tar 2013-04-22 11:36:05 -05:00
Glenn Randers-Pehrson
67a289ffa9 [libpng16] Fixed some spelling/typos 2013-04-19 19:03:34 -05:00
Glenn Randers-Pehrson
7ef0c46488 [libpng16] Updated "last changed" comments. 2013-04-18 07:25:45 -05:00
John Bowler
43c07e1b48 [libpng16] Fixed incorrect warning of excess deflate data. End condition - the 
warning would be produced if the end of the deflate stream wasn't read
in the last row.  The warning is harmless.
 2013-04-07 21:33:30 -05:00
Glenn Randers-Pehrson
5087805e7c [libpng16] Imported from libpng-1.6.1.tar 2013-03-27 20:36:57 -05:00
John Bowler
caa3f296df [libpng16] Eliminated another warning from the Intel C compiler. 2013-03-10 21:40:27 -05:00
John Bowler
2286a7cef4 [libpng16] Eliminated a warning from the Intel C compiler. The warning is 
technically valid, although a reasonable treatment of division would
show it to be incorrect.
 2013-03-10 21:35:35 -05:00
Glenn Randers-Pehrson
8c87dc88d6 [libpng16] Imported from libpng-1.6.1beta06.tar 2013-03-04 17:56:46 -06:00
Glenn Randers-Pehrson
4ea113b7f0 [libng16] Reverted recent change that eliminated a warning about storing 
an unhandled chunk.
 2013-03-02 16:03:45 -06:00
Glenn Randers-Pehrson
871b1d0fab [libpng16] Bump version to 1.6.1beta05 2013-03-02 15:03:15 -06:00
Glenn Randers-Pehrson
f3af706c2a [libpng16] Imported from libpng-1.6.0beta05.tar 2013-03-01 21:38:03 -06:00
Glenn Randers-Pehrson
96cf4bde0e [libpng16] Fixed bug introduced in libpng-1.6.0beta28 that causes libpng to 
handle chunks even when they have been tagged PNG_HANDLE_CHUNK_NEVER.
 2013-03-01 20:04:06 -06:00
Glenn Randers-Pehrson
adb9613699 [libpng16] Imported from libpng-1.6.1beta02.tar 2013-02-18 21:25:47 -06:00
Glenn Randers-Pehrson
3b8e7e869d [libpng16] Imported from libpng-1.6.1beta01.tar 2013-02-16 10:48:29 -06:00
Glenn Randers-Pehrson
5851280929 [libpng16] Imported from libpng-1.6.0beta37.tar 2013-01-10 12:20:59 -06:00
John Bowler
6cf32b460f [libpng16] Rearranged the ARM-NEON optimizations: Isolated the machine specific 
code to the hardware subdirectory and added comments to pngrutil.c so that
implementors of other optimizations know what to do.
 2012-12-15 07:55:54 -06:00
John Bowler
f758d6c813 [libpng16] Rearranged the ARM-NEON optimizations: Isolated the machine specific 
code to the hardware subdirectory and added comments to pngrutil.c so that
implementors of other optimizations know what to do.
 2012-12-13 11:26:50 -06:00
Glenn Randers-Pehrson
5b9a28f2b8 [libpng16] Trivial editing of commentary in pngrutil.c 2012-11-25 12:46:24 -06:00
John Bowler
520803d57e [libpng16] Removed non-working ICC profile support code. There was too much 
code for too little gain; implementing full ICC color correction is maybe
desireable but is left up to applications.
 2012-11-01 08:12:47 -05:00