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Author SHA1 Message Date
Glenn Randers-Pehrson
ae41dc55a2 [libpng15] Added contrib/README.txt 2011-11-16 13:35:16 -06:00
Glenn Randers-Pehrson
45bb9a62ba [libpng15] Changed "PNG_EXTERN" to "extern" in sRGB table declarations 
in pngpriv.h
 2011-11-16 12:47:33 -06:00
John Bowler
89c2f84287 [libpng15] Fix Windows builds, add pngstest to Visual Studio and OpenWatcom 2011-11-16 12:04:39 -06:00
John Bowler
ed9f84475d [libpng15] Update pngstest to remove compiler warnings, add to libpng tests 2011-11-16 11:52:27 -06:00
John Bowler
1eb188932b [libpng15] Added contrib/pngtests 2011-11-16 11:40:59 -06:00
Glenn Randers-Pehrson
8596468e51 [libpng15] Removed PNG_CONST from the sRGB table declarations 
in pngpriv.h and png.c
 2011-11-16 08:52:36 -06:00
Glenn Randers-Pehrson
c32de8c64d [libpng15] Bump version to libpng-1.5.7beta03 2011-11-11 20:28:21 -06:00
Glenn Randers-Pehrson
6d8e090419 [libpng15] Imported from libpng-1.5.7beta02.tar v1.5.7beta02 2011-11-11 20:06:18 -06:00
Glenn Randers-Pehrson
816e687de8 [libpng] Added copyright and licensing info to contrib/sRGBtables/*.c 2011-11-11 18:48:04 -06:00
John Bowler
0a521d3785 [libpng15] Installed more accurate linear to sRGB conversion tables. 
The slightly modified tables reduce the number of 16-bit values that
convert to an off-by-one 8-bit value.  The "makesRGB.c" code that was used
to generate the tables is now in a contrib/sRGBtables sub-directory.
 2011-11-11 18:14:59 -06:00
Glenn Randers-Pehrson
d3feb52955 [libpng15] Ignore unused chunks in the new simplified read API. 2011-11-11 17:20:34 -06:00
Glenn Randers-Pehrson
65f3ac192b [libpng15] Fixed a typo in pngpriv.h 2011-11-10 06:36:34 -06:00
Glenn Randers-Pehrson
4be12aa1e3 [libpng15] Updated commentary 2011-11-10 06:35:48 -06:00
Glenn Randers-Pehrson
84b0da9c94 [libpng15] Updated commentary about new API 2011-11-10 06:32:19 -06:00
John Bowler
e6fb691c49 [libpng15] Fixes to alpha swap on read, simplified write and filler add code 2011-11-08 21:35:16 -06:00
John Bowler
d4973837b2 [libpng15] Change options.awk to use pngconf.h for versioning 
instead of ANNOUNCE
 2011-11-08 19:34:54 -06:00
John Bowler
dd81915d5b [libpng15] Corrections to the PNG_FORMAT_ values and code cleanup. 2011-11-08 14:29:45 -06:00
John Bowler
3615d03e05 [libpng15] Fix PNG_SIMPLIFIED transformations, 
adding alpha and reducing to 8-bit
 2011-11-08 10:38:09 -06:00
Glenn Randers-Pehrson
e0a6c06bfd [libpng] Added synopses for new png_image functions to the manual. 2011-11-07 23:50:05 -06:00
Glenn Randers-Pehrson
efc4b69767 [libpng15] Fixed some typos in comments. 2011-11-07 23:31:34 -06:00
John Bowler
7875d534cb [libpng15] Simplified read/write API initial version; basic read/write tested 
on a variety of images, limited documentation (in the header file.)
 2011-11-07 22:33:49 -06:00
John Bowler
92a1d46c8d [libpng15] Added versioning to pnglibconf.h comments. 2011-11-07 22:19:30 -06:00
Glenn Randers-Pehrson
7de02e722f [libpng15] Changed 8 new leading spaces to TAB in scripts/makefile.std 
and pnglibconf.mak
 2011-11-07 09:20:27 -06:00
John Bowler
61bd4f76ad [libpng15] Updated scripts/pnglibconf.mak and scripts/makefile.std 
to handle the new PNG_JOIN macro.
 2011-11-05 12:24:53 -05:00
Glenn Randers-Pehrson
8b67ee5d3d [libpng15] Updated scripts/pnglibconf.mak to handle the new PNG_JOIN macro. 2011-11-05 09:27:55 -05:00
John Bowler
fc45f68623 [libpng15] updated configure files 2011-11-04 21:03:39 -05:00
John Bowler
a004e23a4c [libpng15] Fixed FP division by zero in pngvalid.c; the 'test_pixel' code left 
the sBIT fields in the test pixel as 0, which resulted in a floating
point division by zero which was irrelevant but causes systems where
FP exceptions cause a crash. Added code to pngvalid to turn on FP
exceptions if the appropriate glibc support is there to ensure this is
tested in the future.
 2011-11-04 20:24:56 -05:00
John Bowler
88bcdc269b [libpng] Check compression_type parameter in png_get_iCCP and remove spurious 
casts. The compression_type parameter is always assigned to, so must
be non-NULL. The cast of the profile length potentially truncated the
value unnecessarily on a 16-bit int system, so the cast of the (byte)
compression type to (int) is specified by ANSI-C anyway.
 2011-11-04 20:12:03 -05:00
Glenn Randers-Pehrson
aad7c828b2 [libpng15] Removed a stray sentence fragment from CHANGES/ANNOUNCE 2011-11-04 14:12:04 -05:00
Glenn Randers-Pehrson
5a9aca17df [libpng15] Bump version to libpng-1.5.7beta02 2011-11-04 13:47:57 -05:00
Glenn Randers-Pehrson
55e85c24b4 [libpng15] Imported from libpng-1.5.7beta01.tar v1.5.7beta01 2011-11-04 13:47:49 -05:00
John Bowler
fcc0263191 [libpng15] Paeth filter speed improvements from work by Siarhei Siamashka. This 
changes the 'Paeth' reconstruction function to improve the GCC code
generation on x86. The changes are only part of the suggested ones;
just the changes that definitely improve speed and remain simple.
The changes also slightly increase the clarity of the code. In a
 2011-11-03 18:31:00 -05:00
John Bowler
1d8b75550f [libpng15] Fix for the preprocessor of the Intel C compiler. The preprocessor 
adjacent @ signs with a space; this changes the concatentation
from @@@ to PNG_JOIN; that should work with all compiler
preprocessors.
 2011-11-03 18:19:53 -05:00
John Bowler
aff44028ba [libpng15] Fixed bug in pngvalid on early allocation failure; fixed type cast 
in pngmem.c; pngvalid would attempt to call png_error() if the allocation
of a png_struct or png_info failed. This would probably have led to a
crash.  The pngmem.c implementation of png_malloc() included a cast
to png_size_t which would fail on large allocations on 16-bit systems.
 2011-11-03 16:11:08 -05:00
Glenn Randers-Pehrson
6d7705eedf [libpng15] Bump version to libpng-1.5.7beta01 2011-11-03 00:49:07 -05:00
Mans Rullgard
d3a94802d8 [libpng15] Added support for ARM processor (Mans Rullgard) 2011-11-03 00:47:55 -05:00
Glenn Randers-Pehrson
2b7d730e27 [libpng15] Bump version to libpng-1.5.7beta01 2011-11-02 23:14:13 -05:00
Glenn Randers-Pehrson
bc6726bc04 [libpng15] Imported from libpng-1.5.6.tar v1.5.6 2011-11-02 22:48:36 -05:00
Glenn Randers-Pehrson
1876366b17 [libpng15] Fixed a spelling error. 2011-10-27 22:09:22 -05:00
Glenn Randers-Pehrson
c94b996af8 [libpng15] Bump version to libpng-1.5.6rc04 2011-10-27 21:09:08 -05:00
Glenn Randers-Pehrson
0e9f8ced1e [libpng15] Imported from libpng-1.5.6rc03.tar v1.5.6rc03 2011-10-27 21:03:00 -05:00
Glenn Randers-Pehrson
7342fcaf92 [libpng] #define PNG_ALIGN_TYPE PNG_ALIGN_NONE in contrib/pngminim/*/pngusr.h 2011-10-27 19:56:36 -05:00
John Bowler
92ef313c77 [libpng15] Fixed compiler warnings with Intel and MSYS compilers. 
The logical shift fix for Microsoft Visual C is required by other compilers,
so this enables that fix for all compilers when using compile-time constants.
Under MSYS 'byte' is a name declared in a system header file, so we
changed the name of a local variable to avoid the warnings that result.
 2011-10-27 19:53:14 -05:00
Glenn Randers-Pehrson
cb75699dff [libpng15] Renamed the LSR() macro to PNG_LSR() and added PNG_LSL() macro. 2011-10-27 16:59:03 -05:00
Glenn Randers-Pehrson
122a525c83 [libpng15] Bump version to libpng-1.5.6rc03 2011-10-27 16:51:52 -05:00
Glenn Randers-Pehrson
5e823c1fd5 [libpng15] Imported from libpng-1.5.6rc02.tar v1.5.6rc02 2011-10-27 16:19:17 -05:00
Glenn Randers-Pehrson
8db19980fa [libpng15] Add leading zero to some 1-digit hex constants (0xf -> 0x0f). 2011-10-27 16:17:24 -05:00
Glenn Randers-Pehrson
ef02d563a3 [libpng15] Added LSR() macro to defend against buggy compilers that evaluate 
non-taken code branches and complain about out-of-range shifts.
 2011-10-27 12:05:58 -05:00
Glenn Randers-Pehrson
b2068640d1 [libpng15] Bump version to libpng-1.5.6rc02 2011-10-26 08:48:35 -05:00
Glenn Randers-Pehrson
93254f66fc [libpng15] Imported from libpng-1.5.6rc01.tar v1.5.6rc01 2011-10-26 08:48:23 -05:00