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1338 Commits

Author SHA1 Message Date
Glenn Randers-Pehrson
b23afad4a1 [libpng16] Imported from libpng-1.6.3rc01.tar 2013-07-10 19:36:08 -05:00
Glenn Randers-Pehrson
f5d7f438e5 [libpng16] Imported from libpng-1.6.3beta10.tar 2013-07-04 20:19:47 -05:00
John Bowler
b4ec1f8451 [libpng16] Unified pngfix.c source with libpng17. 2013-07-02 23:47:57 -05:00
John Bowler
f5f1206778 [libpng16] Fixed undefined behavior in contrib/tools/pngfix.c and added new 
strip option. pngfix relied on undefined behavior and even a simple change from
gcc to g++ caused it to fail.  The new strip option 'unsafe' has been
implemented and is the default if --max is given.  Option names have
been clarified, with --strip=transform now stripping the bKGD chunk,
which was stripped previously with --strip=unused.
Added all documented chunk types to pngpriv.h
 2013-07-02 23:18:49 -05:00
John Bowler
497e7319f4 [libpng16] Only compile ARM code when PNG_READ_SUPPORTED is defined. 2013-07-02 22:57:40 -05:00
Glenn Randers-Pehrson
d5dd93f5d1 [libpng16] Updated documentation to show default behavior of benign errors 
correctly.
 2013-07-02 09:20:36 -05:00
Glenn Randers-Pehrson
7f9a49aa65 [libpng16] Bump version to 1.6.3beta10 2013-06-27 21:22:26 -05:00
Glenn Randers-Pehrson
d992e05da8 [libpng16] Renamed contrib/tools/png-fix-too-far-back.c to pngfix.c 2013-06-27 13:39:20 -05:00
John Bowler
870beb5279 [libng16] Revised contrib/tools/png-fix-too-far-back.c to check all compressed 
chunks known to libpng.
 2013-06-27 11:49:26 -05:00
Glenn Randers-Pehrson
b0d97356ce [libpng16] Revised example.c to illustrate use of PNG_DEFAULT_sRGB and 
PNG_GAMMA_MAC_18 as parameters for png_set_gamma().
 2013-06-25 19:36:15 -05:00
Glenn Randers-Pehrson
04d4e38ac2 [libpng16] Fix spelling of "doclifter" in CHANGES and ANNOUNCE 2013-06-18 15:09:47 -05:00
Glenn Randers-Pehrson
67a46d17d8 [libpng16] Bump version to 1.6.3beta09 2013-06-18 13:28:39 -05:00
Glenn Randers-Pehrson
bbc29a858d [libpng16] Imported from libpng-1.6.3beta08.tar 2013-06-18 13:00:25 -05:00
Glenn Randers-Pehrson
3948b94700 [libpng16] Bump version to 1.6.3beta08 2013-06-08 17:03:37 -05:00
John Bowler
f260f6d156 [libpng16] Protect symbol prefixing against CC/CPPFLAGS/CFLAGS useage. 
Previous iOS/Xcode fixes for the ARM NEON optimizations moved the test
on __ARM_NEON__ from configure time to compile time.  This breaks symbol
prefixing because the definition of the special png_init_filter_functions
call was hidden at configure time if the relevant compiler arguments are
passed in CFLAGS as opposed to CC.  This change attempts to avoid all
the confusion that would result by declaring the init function even when
it is not used, so that it will always get prefixed.
 2013-06-08 13:13:53 -05:00
John Bowler
18dd07e3e6 [libpng16] Removed PNG_FILTER_OPTIMIZATIONS and PNG_ARM_NEON_SUPPORTED from 
pnglibconf.h, allowing more of the decisions to be made internally
(pngpriv.h) during the compile.  Without this, symbol prefixing is broken
under certain circumstances on ARM platforms.  Now only the API parts of
the optimizations ('check' vs 'api') are exposed in the public header files
except that the new setting PNG_ARM_NEON_OPT documents how libpng makes the
decision about whether or not to use the optimizations.
 2013-06-08 13:07:13 -05:00
John Bowler
aa22442a9c [libpng16] Make ARM NEON support work at compile time (not just configure time). 
This moves the test on __ARM_NEON__ into pngconf.h to avoid issues when
using a compiler that compiles for multiple architectures at one time.
 2013-06-06 12:49:53 -05:00
Glenn Randers-Pehrson
4a43182924 [libpng16] Enclose the prototypes for the simplified write API in 2013-06-05 23:41:49 -05:00
John Bowler
1b9b970598 [libpng16] Deleted set(CMAKE_BUILD_TYPE) block from CMakeLists.txt 2013-06-05 11:41:44 -05:00
Glenn Randers-Pehrson
43f0311b57 [libpng16] Added set(CMAKE_CONFIGURATION_TYPES ...) to CMakeLists.txt 
(Andrew Hundt)
 2013-06-05 11:07:01 -05:00
Glenn Randers-Pehrson
421f95deb5 [libpng16] Removed a redundant test in png_set_IHDR(). 2013-06-04 15:05:12 -05:00
Glenn Randers-Pehrson
cafa0eebb9 [libpng16] Bump version to 1.6.3beta07 2013-05-12 19:10:16 -05:00
Glenn Randers-Pehrson
afd6cecb76 [libpng16] Imported from libpng-1.6.3beta06.tar 2013-05-12 18:36:09 -05:00
Glenn Randers-Pehrson
61dbc4c608 [libpng16] Revised contrib/pngminim/*/makefile to generate pnglibconf.h 
with the right zlib headers.
 2013-05-09 22:01:06 -05:00
Glenn Randers-Pehrson
bb8d4f76f4 [libpng16] Cleaned up CHANGES and ANNOUNCE files. 2013-05-09 08:48:43 -05:00
Glenn Randers-Pehrson
b79c98e57c [libpng16] Bump version to 1.6.3beta06 2013-05-09 08:03:40 -05:00
Glenn Randers-Pehrson
4ea93e69bc [libpng16] Renamed pnginflate to png-fix-too-far-back in contrib/tools. 2013-05-08 21:57:00 -05:00
Glenn Randers-Pehrson
ff141eb21e [libpng16] Renamed contrib/tools/fixitxt to contrib/tools/png-fix-itxt. 
Added information in the documentation about problems with and fixes for
the bad CRC and bad iTXt chunk situations.
 2013-05-08 19:46:10 -05:00
John Bowler
122bec17f2 [libpng16]Check ZLIB_VERNUM for mismatches, enclose #error in quotes 2013-05-08 14:35:21 -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
Glenn Randers-Pehrson
3f2b5a6670 libpng16] Updated contrib/pngminus/pnm2png.c (Paul Stewart): 
Fixed whitespace handling
Added a call to png_set_packing()
Initialize dimension values so if sscanf fails at least we have known
   invalid values.
 2013-05-08 10:09:19 -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
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
2aa6c96e5d [libpng16] Bump version to 1.6.3beta05 2013-05-06 09:55:29 -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
0f42908c0a [libpng16] Bump version to 1.6.3beta04 2013-04-29 21:31:50 -05:00
Glenn Randers-Pehrson
f18a28cc13 [libpng16] Imported from libpng-1.6.3beta03.tar 2013-04-29 21:31:38 -05:00
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
Glenn Randers-Pehrson
49f9c24910 [libpng16] Expanded manual paragraph about writing private chunks, particularly 
about the need to call png_set_keep_unknown_chunks() when writing them.
 2013-04-27 18:03:03 -05:00
Glenn Randers-Pehrson
c62fda06a3 [libpng16] Bump version to 1.6.3beta03 2013-04-26 08:25:33 -05:00
Glenn Randers-Pehrson
cd62215d61 [libpng16] Imported from libpng-1.6.3beta02.tar 2013-04-26 08:24:19 -05:00
John Bowler
ac09cd0fec [libpng16] Test for 'arm*' not just 'arm' in the host_cpu configure variable. 
Rebuilt the configure scripts.
 2013-04-25 23:13:08 -05:00
Glenn Randers-Pehrson
529045cf26 [libpng16] Bump version to 1.6.3beta02 2013-04-25 21:37:43 -05:00
John Bowler
7b1da52549 [libpng16] Ensure that NEON filter stuff is completely disabled when switched 
'off'.  Previously the ARM NEON specific files were still built if the option
was switched 'off' as opposed to being explicitly disabled.
 2013-04-25 10:03:42 -05:00
Glenn Randers-Pehrson
34d20f482f [libpng16] Revised stack marking in arm/filter_neon.S and configure.ac. 2013-04-25 09:53:57 -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
7fd71746d0 [libpng16] Fix confusing CHANGES entry. 2013-04-23 23:16:32 -05:00
Glenn Randers-Pehrson
0ee3465fba [libpng16] Imported from libpng-1.6.2rc06.tar 2013-04-23 22:21:55 -05:00
Glenn Randers-Pehrson
a793120405 [libpng16] Bump version to 1.6.2rc03 2013-04-23 22:03:44 -05:00
Glenn Randers-Pehrson
9bdba4e630 [libpng16] Imported from libpng-1.6.2rc05.tar 2013-04-23 19:45:07 -05:00
John Bowler
a74b70871c [libpng16] Ensure that NEON filter stuff is completely disabled when 
switched 'off'.  Previously the ARM NEON specific files were still built
if the option was switched 'off' as opposed to being explicitly disabled.
 2013-04-23 18:18:45 -05:00
Glenn Randers-Pehrson
453fbf942c [libpng16] Revised stack marking in arm/filter_neon.S 2013-04-22 19:48:05 -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
fdc2d5f38f [libpng16] Bump version to 1.6.2rc03 2013-04-19 19:05:34 -05:00
Glenn Randers-Pehrson
0794df4062 [libpng16] Imported from libpng-1.6.2rc01.tar 2013-04-18 06:32:44 -05:00
John Bowler
e4413a735b [libpng16] Disallow storing sRGB information when the sRGB is not supported. 
Reverted previous attempt to allow gAMA and sRGB non-support with the
simplified API.
 2013-04-17 21:27:47 -05:00
Glenn Randers-Pehrson
7fdb594e73 [libpng16] Added #ifdef PNG_WRITE_sRGB_SUPPORTED, etc., tests where needed in 
png_image_write_main() in pngwrite.c (bug report from Yuriy Levchenko).
 2013-04-17 11:05:21 -05:00
Glenn Randers-Pehrson
f1736a636b [libpng16] Added contrib/tools/fixitxt.c, to repair the erroneous iTXt 
chunk length written by libpng-1.6.0 and 1.6.1.
 2013-04-16 23:12:09 -05:00
Glenn Randers-Pehrson
3b4c60f26b [libpng16] Imported from libpng-1.6.2beta02.tar 2013-04-13 21:27:07 -05:00
Glenn Randers-Pehrson
5c55ccdf4f [libpng16] Imported from libpng-1.6.2beta01.tar 2013-04-13 20:55:04 -05:00
Glenn Randers-Pehrson
9bb775fc8c [libpng16] Corrected length written to uncompressed iTXt chunks (Samuli Suominen). 2013-04-13 14:19:25 -05:00
Glenn Randers-Pehrson
364acf40aa [libpng16] Corrected a misplaced closing bracket in contrib/libtests/pngvalid.c 
(Flavio Medeiros).
 2013-04-13 11:55:08 -05:00
John Bowler
b44cd59ad9 [libpng16] Corrected the test on user transform changes on read. It was in the 
png_set of the transform function, but that doesn't matter unless the
transform function changes the rowbuf size, and that is only valid if
transform_info is called.
 2013-04-12 22:15:54 -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
2e0c5f0dff [libpng16] Updated documentation of 1.5.x to 1.6.x changes in iCCP chunk 
handling.
 2013-03-31 22:55:55 -05:00
Glenn Randers-Pehrson
3a83aa328d [libpng16] Bump version to 1.6.2beta01 2013-03-29 07:11:42 -05:00
Glenn Randers-Pehrson
5087805e7c [libpng16] Imported from libpng-1.6.1.tar 2013-03-27 20:36:57 -05:00
Glenn Randers-Pehrson
4e6e2166a5 [libpng16] Imported from libpng-1.6.1rc01.tar 2013-03-21 07:38:30 -05:00
Glenn Randers-Pehrson
1affc5622b [libpng16] Bump version to 1.6.1beta10 2013-03-13 07:40:54 -05:00
Glenn Randers-Pehrson
cd1cd2dafc [libpng16] Imported from libpng-1.6.1beta09.tar 2013-03-13 07:40:46 -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
3c8b422b0a [libpng16] Bump version to 1.6.1beta09 2013-03-07 11:36:55 -06:00
Glenn Randers-Pehrson
0645b62528 [libpng16] Imported from libpng-1.6.1beta08.tar 2013-03-07 11:36:47 -06:00
Claudio Bley
0281dee877 [libpng16] Fixed CMakelists.txt to allow building a single variant of the 
library (Claudio Bley):
  Introduced a PNG_LIB_TARGETS variable that lists all activated library
    targets.  It is an error if this variable ends up empty, ie. you have
    to build at least one library variant.
  Made the *_COPY targets only depend on library targets actually being build.
  Use PNG_LIB_TARGETS to unify a code path.
  Changed the CREATE_SYMLINK macro to expact the full path to a file as the
    first argument. When symlinking the filename component of that path is
    determined and used as the link target.
  Use copy_if_different in the CREATE_SYMLINK macro.
 2013-03-07 11:17:17 -06:00
Glenn Randers-Pehrson
e55b25a962 [libpng16] Bump version to 1.6.1beta08 2013-03-06 22:42:23 -06:00
John Bowler
59ae38984f [libpng16] Corrected simplified API default gamma for color-mapped output, added 
a flag to change default. In 1.6.0 when the simplified API was used
to produce color-mapped output from an input image with no gamma
information the gamma assumed for the input could be different from
that assumed for non-color-mapped output.  In particular 16-bit depth
input files were assumed to be sRGB encoded, whereas in the 'direct'
case they were assumed to have linear data.  This was an error.  The
fix makes the simplified API treat all input files the same way and
adds a new flag to the png_image::flags member to allow the
application/user to specify that 16-bit files contain sRGB data
rather than the default linear.
Fixed bugs in the pngpixel and makepng test programs.
 2013-03-06 22:15:25 -06:00
Glenn Randers-Pehrson
1cbfa24a93 [libpng16] Bump version to 1.6.1beta07 2013-03-04 17:56:59 -06:00
John Bowler
f3728100d9 [libpng16] Corrected Android builds and corrected libpng.vers with symbol 
prefixing This adds an API to set optimization options externally,
    providing an alternative and general solution for the non-portable
    run-time tests used by the ARM Neon code.  It also makes those tests
    compile and link on Android.
  The order of settings vs options in pnglibconf.h is reversed to allow
    settings to depend on options and options can now set (or override) the
    defaults for settings.
 2013-03-04 16:26:31 -06:00
John Bowler
e15b537825 [libpng16] Better documentation of unknown handling API interactions. 2013-03-02 17:59:43 -06:00
Glenn Randers-Pehrson
e57f094fd6 [libpng16] Bump version to 1.6.1beta06 2013-03-02 17:37:23 -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
1118d6d985 [libpng16] Avoid a possible memory leak in contrib/gregbook/readpng.c 2013-03-01 13:27:05 -06:00
Glenn Randers-Pehrson
e444514a94 [libpng16] Bump version to 1.6.1beta05 2013-02-27 15:11:39 -06:00
John Bowler
ccec786ca7 [libpng16] Revised scripts/dfn.awk to work with the buggy MSYS awk that has 
trouble with CRLF line endings.
 2013-02-27 13:36:08 -06:00
Glenn Randers-Pehrson
45bb4530fd [libpng16] Revised INSTALL to recommend using CPPFLAGS instead of INCLUDES. 
Revised scripts/makefile.freebsd to respect ZLIBDIR and ZLIBINC.
 2013-02-22 20:19:49 -06:00
Glenn Randers-Pehrson
a97fc46e43 [libpng16] Bump version to 1.6.1beta04 2013-02-22 17:12:09 -06:00
Glenn Randers-Pehrson
f8a8ead5cb [libpng16] Update the INSTALL document. 2013-02-22 16:52:21 -06:00
John Bowler
09a5ca72ac [libpng16] Allow run-time ARM NEON checking to be disabled. A new configure 
option:
    --enable-arm-neon=always will stop the run-time checks. New checks
    within arm/arm_init.c will cause the code not to be compiled unless
    __ARM_NEON__ is set. This should make it fail safe (if someone asks
    for it on then the build will fail if it can't be done.)
Fixed ALIGNED_MEMORY support.
 2013-02-18 22:30:35 -06:00
Glenn Randers-Pehrson
0cc3e9e38c [libpng16] Bump version to 1.6.1beta03 2013-02-18 21:25:56 -06:00
John Bowler
c0a0d4a6d2 [libpng16] Reenabled code to allow zero length PLTE chunks for MNG. 2013-02-18 21:23:17 -06:00
Glenn Randers-Pehrson
cc074dcaa6 [libpng16] Bump version to 1.6.1beta02 2013-02-16 10:48:39 -06:00
Glenn Randers-Pehrson
3b8e7e869d [libpng16] Imported from libpng-1.6.1beta01.tar 2013-02-16 10:48:29 -06:00
John Bowler
765d145ec4 [libpng16] Use approved/supported Android method to check for NEON, use 
Linux/POSIX 1003.1 API to check /proc/self/auxv avoiding buffer allocation
and other library calls (ported from libpng15).
 2013-02-16 07:43:48 -06:00
John Bowler
c9b11ff0d4 [libpng16] Fixed a race condition in the creation of the build 'scripts' 
directory while building with a parallel make.
 2013-02-16 07:38:46 -06:00