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Libpng 1.5.13 - September 27, 2012
This is a public release of libpng, intended for use in production codes.
Files available for download:
Source files with LF line endings (for Unix/Linux) and with a
"configure" script
libpng-1.5.13.tar.xz (LZMA-compressed, recommended)
libpng-1.5.13.tar.gz
libpng-1.5.13.tar.bz2
Source files with CRLF line endings (for Windows), without the
"configure" script
lpng1513.7z (LZMA-compressed, recommended)
lpng1513.zip
Other information:
libpng-1.5.13-README.txt
libpng-1.5.13-LICENSE.txt
Changes since the last public release (1.5.12):
Do not compile PNG_DEPRECATED, PNG_ALLOC and PNG_PRIVATE when __GNUC__ < 3.
Removed references to png_zalloc() and png_zfree() from the manual.
Revised PNG_FP_EXPORT and PNG_FIXED_EXPORT macros to avoid generating
lone semicolons (patch ported from libpng-1.6.0beta11).
Corrected handling of the image array and the row_pointers array in example.c
When png_set_filler is used to strip a filler channel during write, the
code prior to 1.5 would ignore the case where the output required an
alpha channel or when the output was a palettized PNG. In libpng-1.5 the
ignorance was lost and libpng proceeded to strip the channel resulting
in a bad (potential memory overwrite) failure later. This reverts
the behavior to the pre-1.5 state but issues a warning. libpng-1.6 is
expected to issue an error on the erroneous png_set_filler call.
Use png_memset() consistently (pngmem.c contained some bare "memset" calls).
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit
https://lists.sourceforge.net/lists/listinfo/png-mng-implement
to subscribe)
or to glennrp at users.sourceforge.net
Glenn R-P
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