102 lines
4.1 KiB
Plaintext
102 lines
4.1 KiB
Plaintext
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Libpng 1.2.19 - August 18, 2007
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This is a public release of libpng, intended for use in production codes.
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Files available for download:
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Source files with LF line endings (for Unix/Linux) and with a
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"configure" script
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libpng-1.2.19.tar.gz
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libpng-1.2.19.tar.bz2
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Source files with LF line endings (for Unix/Linux) without the
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"configure" script
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libpng-1.2.19-no-config.tar.gz
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libpng-1.2.19-no-config.tar.bz2
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Source files with CRLF line endings (for Windows), without the
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"configure" script
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lpng1219.zip
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lpng1219.tar.bz2
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Project files
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libpng-1.2.19-project-netware.zip
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libpng-1.2.19-project-wince.zip
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Other information:
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libpng-1.2.19-README.txt
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libpng-1.2.19-KNOWNBUGS.txt
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libpng-1.2.19-LICENSE.txt
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libpng-1.2.19-Y2K-compliance.txt
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Changes since the last public release (1.2.18):
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version 1.2.19 [August 18, 2007]
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Changed "const static" to "static PNG_CONST" everywhere, mostly undoing
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change of libpng-1.2.17beta2. Changed other "const" to "PNG_CONST"
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Fixed png_do_expand() to only use the appropriate bits of tRNS value.
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Fixed png_handle_tRNS() to only use the appropriate bits of tRNS value.
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Add some "png_byte" typecasts in png_check_keyword().
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Write new_key instead of key in zTXt chunk.
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Add png_snprintf() function and use it in place of sprint() for improved
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defense against buffer overflows.
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Changed handling of some unused parameters, to avoid compiler warnings.
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Removed some PNG_CONST in pngwutil.c to avoid compiler warnings.
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Added some #ifdef PNG_MMX_CODE_SUPPORTED where needed in pngvcrd.c
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Squelched png_squelch_warnings() in pnggccrd.c; Use "__attribute__((used))"
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instead.
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Removed __MMX__ from test in pngconf.h.
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Updated makefile.sgcc and makefile.solaris; added makefile.solaris-x86.
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Return 0 from png_get_sPLT() and png_get_unknown_chunks() if png_ptr is NULL;
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changed three remaining instances of png_strcpy() to png_strncpy() (David
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Hill).
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Make test for NULL row_buf at the beginning of png_do_read_transformations
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unconditional.
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Prefer PNG_USE_PNGVCRD when _MSC_VER is defined in pngconf.h
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Revised pnggccrd.c.
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Updated contrib/gregbook.
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Changed '#include "pnggccrd.c"' to 'include "$srcdir/pnggccrd.c"'
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in configure.ac
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Revised many of the makefiles, to set -DPNG_NO_MMX_CODE where needed
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and to not use -O3 unless -DPNG_NO_MMX_CODE is also set.
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Copied optimized C code from pnggccrd.c to pngrutil.c, removed dependency
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on pnggccrd.o from many makefiles.
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Added sl and dylib to list of extensions be installed by Makefile.am
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Fixed testing PNG_RGB_TO_GRAY_ERR & PNG_RGB_TO_GRAY_WARN in pngrtran.c
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Revised pngvcrd.c.
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Rebuilt Makefile.in and configure using libtool-1.5.24.
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Added "test" target to Makefile.in and Makefile.am
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Added info about pngrutil/pnggccrd/pngvcrd to png_get_header_version()
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Added PNG_NO_WRITE_FILTER and PNG_NO_WARNING macros.
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Added contrib/pngminim to demonstrate building minimal encoder and decoder
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Changed "png_free(str)" to "png_free(png_ptr,str)" in pngrutil.c WinCE
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code (Yves Piguet). This bug was introduced in libpng-1.2.14.
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Updated scripts/CMakeLists.txt
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Fixed incorrect stride and number of bytes copied (was 4 instead of
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6 bytes) in the cleanup loop of pnggccrd.c and pngvcrd.c for handling
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the end of 48-bit interlaced rows (Glenn R-P).
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Added png_warning() in pngrutil.c for short iCCP, iTXt, sPLT, or zTXT chunks.
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Revised pngtest.c so warnings are displayed regardless of PNG_NO_STDIO.
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Disable PNG_MMX_CODE_SUPPORTED when PNG_ASSEMBLER_CODE_SUPPORTED is off.
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Added information about disabling the MMX code in libpng documentation.
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Removed some "#if 0" blocks.
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Made a global struct local in pngvcrd.c to make it thread safe.
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Change default to PNG_NO_GLOBAL_ARRAYS for MSVC.
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Revise handling of png_strtod in recent versions of WINCE
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Issue a png_error() if application attempts to transform a row tht
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has not been initialized.
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Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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(subscription required; visit
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https://lists.sourceforge.net/lists/listinfo/png-mng-implement
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to subscribe) or to glennrp at users.sourceforge.net
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Glenn R-P
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