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Diffstat (limited to 'src/3rdparty/libpng/ANNOUNCE')
| -rw-r--r-- | src/3rdparty/libpng/ANNOUNCE | 365 |
1 files changed, 334 insertions, 31 deletions
diff --git a/src/3rdparty/libpng/ANNOUNCE b/src/3rdparty/libpng/ANNOUNCE index b73bbb5..8bb11d2 100644 --- a/src/3rdparty/libpng/ANNOUNCE +++ b/src/3rdparty/libpng/ANNOUNCE @@ -1,5 +1,5 @@ -Libpng 1.2.40 - September 10, 2009 +Libpng 1.4.0 - January 3, 2010 This is a public release of libpng, intended for use in production codes. @@ -8,49 +8,352 @@ Files available for download: Source files with LF line endings (for Unix/Linux) and with a "configure" script - libpng-1.2.40.tar.xz (LZMA-compressed, recommended) - libpng-1.2.40.tar.gz - libpng-1.2.40.tar.bz2 - -Source files with LF line endings (for Unix/Linux) without the -"configure" script - - libpng-1.2.40-no-config.tar.xz (LZMA-compressed, recommended) - libpng-1.2.40-no-config.tar.gz - libpng-1.2.40-no-config.tar.bz2 + libpng-1.4.0.tar.xz (LZMA-compressed, recommended) + libpng-1.4.0.tar.gz + libpng-1.4.0.tar.bz2 Source files with CRLF line endings (for Windows), without the "configure" script - lpng1240.zip - lpng1240.7z - lpng1240.tar.bz2 - -Project files - - libpng-1.2.40-project-netware.zip - libpng-1.2.40-project-wince.zip + lpng140.zip + lpng140.7z Other information: - libpng-1.2.40-README.txt - libpng-1.2.40-KNOWNBUGS.txt - libpng-1.2.40-LICENSE.txt - libpng-1.2.40-Y2K-compliance.txt - libpng-1.2.40-[previous version]-diff.txt + libpng-1.4.0-README.txt + libpng-1.4.0-LICENSE.txt -Changes since the last public release (1.2.39): +Changes since the last public release (1.2.10): -version 1.2.40 [September 10, 2009] +version 1.4.0 [January 3, 2010] - Removed an extra png_debug() recently added to png_write_find_filter(). - Fixed incorrect #ifdef in pngset.c regarding unknown chunk support. + Enabled iTXt support (changes png_struct, thus requires so-number change). + Cleaned up PNG_ASSEMBLER_CODE_SUPPORTED vs PNG_MMX_CODE_SUPPORTED + Eliminated PNG_1_0_X and PNG_1_2_X macros. + Removed deprecated functions png_read_init, png_write_init, png_info_init, + png_permit_empty_plte, png_set_gray_1_2_4_to_8, and removed the + deprecated macro PNG_MAX_UINT. + Moved "PNG_INTERNAL" parts of png.h and pngconf.h into pngintrn.h + Removed all WIN32_WCE #ifdefs except those involving the + time.h "tm" structure (Cosmin) + Reduced dependency on C-runtime library when on Windows (Simon-Pierre) + Replaced sprintf() with png_sprintf() (Simon-Pierre) + Revised makefiles to avoid making links to libpng.so.* + Added a note in libpng.txt that png_set_sig_bytes(8) can be used when + writing an embedded PNG without the 8-byte signature. + Updated scripts/pngos2.def, pngw32.def, and projects/wince/png32ce.def + Added PNG_NO_GET_INT_32 and PNG_NO_SAVE_INT_32 macros. + Scripts/libpng.pc.in contained "configure" style version info and would + not work with makefiles. + Increased sprintf buffer from 50 to 52 chars in pngrutil.c to avoid + buffer overflow. + Fixed bug in example.c (png_set_palette_rgb -> png_set_palette_to_rgb)) + Changed sonum from 0 to 1. + Removed unused prototype for png_check_sig() from png.h + Prepended "#! /bin/sh" to ltmail.sh and contrib/pngminus/*.sh (Cosmin). + Avoided potential buffer overflow and optimized buffer in + png_write_sCAL(), png_write_sCAL_s() (Cosmin). + Removed the include directories and libraries from CFLAGS and LDFLAGS + in scripts/makefile.gcc (Nelson A. de Oliveira, Cosmin). + Exported png_write_sig (Cosmin). + Optimized buffer in png_handle_cHRM() (Cosmin). + Allow zero-length IDAT chunks after the entire zlib datastream, but not + after another intervening chunk type. + Set pHYs = 2835 x 2835 pixels per meter, and added + pngtest now produces, and made some cosmetic changes to pngtest output. + sCAL = 0.352778e-3 x 0.352778e-3 meters, in pngtest.png (Cosmin). + Added png_set_benign_errors(), png_benign_error(), png_chunk_benign_error(). + Revised INSTALL and autogen.sh + Fixed typo in several makefiles (-W1 should be -Wl) + Added typedef for png_int_32 and png_uint_32 on 64-bit systems. + Added one zero element to png_gamma_shift[] array in pngrtran.c to avoid + reading out of bounds. + Added demonstration of user chunk support in pngtest.c, to support the + public sTER chunk and a private vpAg chunk. + Removed ordinals from scripts/pngw32.def and removed png_info_int and + png_set_gray_1_2_4_to_8 entries. + Inline call of png_get_uint_32() in png_get_uint_31(). + Removed WINCE and Netware projects. + Removed standalone Y2KINFO file. + Removed AC_FUNC_MALLOC from configure.ac. + Added a warning when writing iCCP profile with mismatched profile length. + Patched pnggccrd.c to assemble on x86_64 platforms. + Moved chunk header reading into a separate function png_read_chunk_header() + in pngrutil.c. The chunk header (len+sig) is now serialized in a single + operation (Cosmin). + Implemented support for I/O states. Added png_ptr member io_state, and + functions png_get_io_chunk_name() and png_get_io_state() in pngget.c + (Cosmin). + Added png_get_io_chunk_name and png_get_io_state to scripts/*.def (Cosmin). + Renamed scripts/pngw32.* to scripts/pngwin.* (Cosmin). + Removed the include directories and libraries from CFLAGS and LDFLAGS + in scripts/makefile.gcc (Cosmin). + Used png_save_uint_32() to set vpAg width and height in pngtest.c (Cosmin). + Cast to proper type when getting/setting vpAg units in pngtest.c (Cosmin). + Added pngintrn.h to the Visual C++ projects (Cosmin). + Removed scripts/list (Cosmin). + Updated copyright year in scripts/pngwin.def (Cosmin). + Removed PNG_TYPECAST_NULL and used standard NULL consistently (Cosmin). + Disallowed the user to redefine png_size_t, and enforced a consistent use + of png_size_t across libpng (Cosmin). + Changed the type of png_ptr->rowbytes, PNG_ROWBYTES() and friends + to png_size_t (Cosmin). + Removed png_convert_size() and replaced png_sizeof with sizeof (Cosmin). + Removed some unnecessary type casts (Cosmin). + Changed prototype of png_get_compression_buffer_size() and + png_set_compression_buffer_size() to work with png_size_t instead of + png_uint_32 (Cosmin). + Removed png_memcpy_check() and png_memset_check() (Cosmin). + Fixed a typo (png_byte --> png_bytep) in libpng.3 and libpng.txt (Cosmin). + Clarified that png_zalloc() does not clear the allocated memory, + and png_zalloc() and png_zfree() cannot be PNGAPI (Cosmin). + Renamed png_mem_size_t to png_alloc_size_t, fixed its definition in + pngconf.h, and used it in all memory allocation functions (Cosmin). + Renamed pngintrn.h to pngpriv.h, added a comment at the top of the file + mentioning that the symbols declared in that file are private, and + updated the scripts and the Visual C++ projects accordingly (Cosmin). + Removing trailing '.' from the warning and error messages (Cosmin). + Revised many of the makefiles to write their defines in pngdefs.h. + Changed "logical" to "bitwise" in the documentation. + Work around Intel-Mac compiler bug by setting PNG_NO_MMX_CODE in pngconf.h + Add a typecast to stifle compiler warning in pngrutil.c + Detect and fix attempt to write wrong iCCP profile length. + Fix potential buffer overflow in sPLT chunk handler. + Fix Makefile.am to not try to link to noexistent files. + Check all exported functions for NULL png_ptr. + Built Makefile.in with automake-1.9.6 instead of 1.9.2. + Add "install: all" in Makefile.am so "configure; make install" will work. + Added a typecast in png_zalloc(). + Changed "new_key[79] = '\0';" to "(*new_key)[79] = '\0';" in pngwutil.c + Add "png_bytep" typecast to profile while calculating length in pngwutil.c + Added scripts/CMakeLists.txt + Added "png_ptr->num_trans=0" before error return in png_handle_tRNS, + to eliminate a vulnerability (CVE-2007-2554, CERT VU#684664) + Added png_ptr->unknown_chunk to hold working unknown chunk data, so it + can be free'ed in case of error. Revised unknown chunk handling in + pngrutil.c and pngpread.c to use this structure. + Prefer PNG_USE_PNGVCRD when _MSC_VER is defined in pngconf.h + Revised pngvcrd.c for improved efficiency. + Moved local array "chunkdata" from pngrutil.c to the png_struct, so + it will be freed by png_read_destroy() in case of a read error (Kurt + Christensen). + Change "purpose" and "buffer" to png_ptr->chunkdata to avoid memory leaking. + Change all "chunkdata" to "png_ptr->chunkdata" in png_decompress_chunk(), + and remove "chunkdata" from parameter list. + Put a call to png_check_chunk_name() in png_read_chunk_header(). + Removed two calls to png_check_chunk_name() occuring later in the process. + Define PNG_NO_ERROR_NUMBERS by default in pngconf.h + Added png_push_have_buffer() function to pngpread.c + Eliminated PNG_BIG_ENDIAN_SUPPORTED and associated png_get_* macros. + Made inline expansion of png_get_*() optional with PNG_USE_READ_MACROS. + Eliminated all PNG_USELESS_TESTS and PNG_CORRECT_PALETTE_SUPPORTED code. + Synced contrib directory and configure files with libpng-1.2.30beta06. + Changed "-Wall" to "-W -Wall" in the CFLAGS in all makefiles (Cosmin Truta) + Declared png_ptr "volatile" in pngread.c and pngwrite.c to avoid warnings. + Updated contrib/visupng/cexcept.h to version 2.0.1 + Added PNG_LITERAL_CHARACTER macros for #, [, and ]. + Moved newline character from individual png_debug messages into the + png_debug macros. + Allow user to #define their own png_debug, png_debug1, and png_debug2. + Added PNG_STRING_NEWLINE macro + Added PNG_STRING_COPYRIGHT macro. + Added non-ISO versions of png_debug macros. + Added PNG_WRITE_FLUSH_SUPPORTED and PNG_WRITE_FLUSH_AFTER_IEND_SUPPORTED + blocks around new png_flush() call. + Revised PNG_NO_STDIO version of png_write_flush() + Added png_get|set_chunk_cache_max() to limit the total number of sPLT, + text, and unknown chunks that can be stored. + Shortened tIME_string to 29 bytes in pngtest.c + Revised makefile.darwin to fix shared library numbering. + Change png_set_gray_1_2_4_to_8() to png_set_expand_gray_1_2_4_to_8() + in example.c (debian bug report) + Sync with tEXt vulnerability fix in libpng-1.2.33rc02. + Added png_check_cHRM in png.c and moved checking from pngget.c, pngrutil.c, + and pngwrite.c + Added check for zero-area RGB cHRM triange in png_check_cHRM() and + png_check_cHRM_fixed(). + Revised png_warning() to write its message on standard output by default + when warning_fn is NULL. + Eliminated png_check_cHRM(). Instead, always use png_check_cHRM_fixed(). + In png_check_cHRM_fixed(), ensure white_y is > 0, and removed redundant + check for all-zero coordinates that is detected by the triangle check. + Rearranged test expressions in png_check_cHRM_fixed() to avoid internal + overflows. + Added PNG_NO_CHECK_cHRM conditional. + Fixed string vs pointer-to-string error in png_check_keyword(). + Added PNG_NO_CHECK_cHRM conditional. + Merge png_debug with version 1.2.34beta04. + Removed redundant check for key==NULL before calling png_check_keyword() + to ensure that new_key gets initialized and removed extra warning + (Merge with version 1.2.34beta05 -- Arvan Pritchard). + Added PNG_TRANSFORM_STRIP_FILLER_BEFORE and PNG_TRANSFORM_STRIP_FILLER_AFTER + conditionals and deprecated PNG_TRANSFORM_STRIP_FILLER (Jim Barry). + Turned off PNG_READ_DITHER_SUPPORTED by default. + Combined several instances of png_malloc(); png_memset() into png_calloc(). + Fixed order of #ifdef directives in the png_debug defines in png.h + (bug introduced in libpng-1.2.34). + Revised comments in png_set_read_fn() and png_set_write_fn(). + Use png_calloc() instead of png_malloc() to allocate big_row_buf when + reading an interlaced file, to avoid a possible UMR. + Revised libpng*.txt and png.h documentation about use of png_write_flush() + and png_set_write_fn(). + Removed fflush() from pngtest.c. + Added "#define PNG_NO_WRITE_FLUSH" to contrib/pngminim/encoder/pngusr.h + Removed fflush() from pngtest.c. + Added "#define PNG_NO_WRITE_FLUSH" to contrib/pngminim/encoder/pngusr.h + Added a section on differences between 1.0.x and 1.2.x to libpng.3/libpng.txt + Fixed potential memory leak of "new_name" in png_write_iCCP() (Ralph Giles) + Added "ifndef PNG_SKIP_SETJMP_CHECK" block in pngconf.h to allow + application code writers to bypass the check for multiple inclusion + of setjmp.h when they know that it is safe to ignore the situation. + Eliminated internal use of setjmp() in pngread.c and pngwrite.c + Eliminated deprecated png_read_init_3() and png_write_init_3() functions. + Renamed "user_chunk_data" to "my_user_chunk_data" in pngtest.c to suppress + "shadowed declaration" warning from gcc-4.3.3. + Renamed "gamma" to "png_gamma" in pngset.c to avoid "shadowed declaration" + warning about a global "gamma" variable in math.h on some platforms. + Removed pngprefs.h and MMX from makefiles + Rebuilt configure scripts with autoconf-2.63 instead of 2.62 + Clarified usage of sig_bit versus sig_bit_p in example.c (Vincent Torri) + Reformated sources in libpng style (3-space intentation, comment format) + Fixed typo in libpng docs (PNG_FILTER_AVE should be PNG_FILTER_AVG) + Added sections about the git repository and our coding style to the + documentation + Relocated misplaced #endif in pngwrite.c, sCAL chunk handler. + Conditionally compile png_read_finish_row() which is not used by + progressive readers. + Added contrib/pngminim/preader to demonstrate building minimal progressive + decoder, based on contrib/gregbook with embedded libpng and zlib. + In contrib/pngminim/*, renamed "makefile.std" to "makefile", since there + is only one makefile in those directories, and revised the README files + accordingly. + Added "#define PNG_NO_WRITE_SWAP" to contrib/pngminim/encoder/pngusr.h + and "define PNG_NO_READ_SWAP" to decoder/pngusr.h and preader/pngusr.h + Added a section in the documentation about using png_get_io_ptr() in + configure scripts to detect the presence of libpng. + Revised libpng*.txt and libpng.3 to mention calling png_set_IHDR() + multiple times and to specify the sample order in the tRNS chunk, + because the ISO PNG specification has a typo in the tRNS table. + Changed several PNG_UNKNOWN_CHUNK_SUPPORTED to + PNG_HANDLE_AS_UNKNOWN_SUPPORTED, to make the png_set_keep mechanism + available for ignoring known chunks even when not saving unknown chunks. + Adopted preference for consistent use of "#ifdef" and "#ifndef" versus + "#if defined()" and "if !defined()" where possible. + Eliminated PNG_LEGACY_SUPPORTED code. + Moved the various unknown chunk macro definitions outside of the + PNG_READ|WRITE_ANCILLARY_CHUNK_SUPPORTED blocks. + Added a reference to the libpng license in each file. + Relocated INVERT_ALPHA within png_read_png() and png_write_png(). + Added high-level API transform PNG_TRANSFORM_GRAY_TO_RGB. + Added an "xcode" project to the projects directory (Alam Arias). + Avoid some tests in filter selection in pngwutil.c + Avoid a possible NULL dereference in debug build, in png_set_text_2(). + (bug introduced in libpng-0.95, discovered by Evan Rouault) + Rebuilt configure scripts with autoconf-2.65 + Replaced *.tar.lzma with *.tar.xz in distribution. Get the xz codec + from <http://tukaani.org/xz>. + Reject attempt to write iCCP chunk with negative embedded profile length + (JD Chen) + Changed "trans" to "trans_alpha" and changed "trans_values" to "trans_color". + Removed lpXYZ.tar.bz2 (with CRLF), KNOWNBUG, libpng-x.y.z-KNOWNBUG.txt, + and the "noconfig" files from the distribution. + Moved CMakeLists.txt from scripts into the main libpng directory. Various bugfixes and improvements to CMakeLists.txt (Philip Lowman) + Converted all PNG_NO_* tests to PNG_*_SUPPORTED everywhere except pngconf.h + Eliminated PNG_NO_FREE_ME and PNG_FREE_ME_SUPPORTED macros. + Use png_malloc plus a loop instead of png_calloc() to initialize + row_pointers in png_read_png(). + Eliminated PNG_GLOBAL_ARRAYS and PNG_LOCAL_ARRAYS; always use local arrays. + Eliminated PNG_CALLOC_SUPPORTED macro and always provide png_calloc(). + Removed scripts/libpng.icc + Changed typecast of filler from png_byte to png_uint_16 in png_set_filler(). + (Dennis Gustafsson) + Eliminated unused PNG_FLAG_FREE_* defines from pngpriv.h + Expanded TAB characters in pngrtran.c + Removed PNG_CONST from all "PNG_CONST PNG_CHNK" declarations to avoid + compiler complaints about doubly declaring things "const". + Eliminated unused png_ptr->row_buf_size + Changed all "#if [!]defined(X)" to "if[n]def X" where possible. + Moved redundant IHDR checking into new png_check_IHDR() in png.c + and report all errors found in the IHDR data. + Eliminated useless call to png_check_cHRM() from pngset.c + Eliminated a shadowed declaration of "pp" in png_handle_sPLT(). + Patched ltmain.sh for wince support. + Added PNG_CONVERT_tIME_SUPPORTED macro. + Make inclusion of time.h in pngconf.h depend on PNG_CONVERT_tIME_SUPPORTED + Make #define PNG_CONVERT_tIME_SUPPORTED depend on PNG_WRITE_tIME_SUPPORTED + Updated scripts/pngw32.def and projects/wince/png32ce.def + Copied projects/wince/png32ce.def to the scripts directory. + Added scripts/makefile.cegcc + Revised libpng*.txt to describe differences from 1.2.40 to 1.4.0 + Added PNG_DEPSTRUCT, PNG_DEPRECATED, PNG_USE_RESULT, PNG_NORETURN, and + PNG_ALLOCATED macros to detect deprecated direct access to the + png_struct or info_struct members and other deprecated usage in + applications (John Bowler). + Updated scripts/makefile* to add "-DPNG_CONFIGURE_LIBPNG" to CFLAGS, + to prevent warnings about direct access to png structs by libpng + functions while building libpng. They need to be tested, especially + those using compilers other than gcc. + Updated CMakeLists.txt to add "-DPNG_CONFIGURE_LIBPNG" to the definitions. + Updated projects/visualc6 and visualc71 with "/d PNG_CONFIGURE_LIBPNG". + They should work but still need to be updated to remove + references to pnggccrd.c or pngvcrd.c and ASM building. + Added README.txt to the beos, cbuilder5, netware, and xcode projects warning + that they need to be updated, to remove references to pnggccrd.c and + pngvcrd.c and to depend on pngpriv.h + Removed three direct references to read_info_ptr members in pngtest.c + that were detected by the new PNG_DEPSTRUCT macro. + Moved the png_debug macro definitions and the png_read_destroy(), + png_write_destroy() and png_far_to_near() prototypes from png.h + to pngpriv.h (John Bowler) + Moved the synopsis lines for png_read_destroy(), png_write_destroy() + png_debug(), png_debug1(), and png_debug2() from libpng.3 to libpngpf.3. + Removed the obsolete, unused pnggccrd.c and pngvcrd.c files. + Removed dependency of pngtest.o on pngpriv.h in the makefiles. + Added -DPNG_CONFIGURE_LIBPNG to contrib/pngminm/*/makefile + Changed png_check_sig() to !png_sig_cmp() in contrib programs. + Corrected the png_get_IHDR() call in contrib/gregbook/readpng2.c + Changed pngminim/*/gather.sh to stop trying to remove pnggccrd.c and pngvcrd.c + Added dependency on pngpriv.h in contrib/pngminim/*/makefile + Revised Makefile.am to use libpng.sys while building libpng.so + so that only PNG_EXPORT functions are exported. + Removed the deprecated png_check_sig() function/macro. + Removed recently removed function names from scripts/*.def + Added PNG_PRIVATE macro definition in pngconf.h for possible future use. + Removed projects/beos and netware.txt; no one seems to be supporting them. + Moved libpng-config.in and libpng.pc-configure.in out of the scripts + directory, to libpng-config.in and libpng.pc.in, respectively, and + modified Makefile.am and configure.ac accordingly. Now "configure" + needs nothing from the "scripts" directory. + Removed ASM builds from projects/visualc6 and projects/visualc71 + Removed scripts/makefile.nommx and makefile.vcawin32 + Revised CMakeLists.txt to account for new location of libpng-config.in + and libpng.pc.in + Updated INSTALL to reflect removal and relocation of files. + Moved descriptions of makefiles and other scripts out of INSTALL into + scripts/README.txt + Updated the copyright year in scripts/pngwin.rc from 2006 to 2009. + Removed obsolete comments about ASM from projects/visualc71/README_zlib.txt + Align row_buf on 16-byte boundary in memory. + Make the 'png_jmpbuf' macro expand to a call that records the correct + longjmp function as well as returning a pointer to the setjmp + jmp_buf buffer, and marked direct access to jmpbuf 'deprecated'. + (John Bowler) + Changed "/255" to "/255.0" in background calculations to make it clear + that the 255 is used as a double. + Added "#define PNG_NO_PEDANTIC_WARNINGS" in the libpng source files. + Revised scripts/makefile.netbsd, makefile.openbsd, and makefile.sco + to put png.h and pngconf.h in $prefix/include, like the other scripts, + instead of in $prefix/include/libpng. Also revised makefile.sco + to put them in $prefix/include/libpng14 instead of in + $prefix/include/libpng/libpng14. + Added "bit_depth" parameter to the private png_build_gamma_table() function. + Use png_calloc() instead of png_malloc(); png_memset() in pngrutil.c + Avoid deprecated references to png_ptr-io_ptr and png_ptr->error_ptr + in pngtest.c Send comments/corrections/commendations to png-mng-implement at lists.sf.net - -Send comments/corrections/commendations to png-mng-implement at lists.sf.net -(subscription required; visit +(subscription required; visit https://lists.sourceforge.net/lists/listinfo/png-mng-implement to subscribe) or to glennrp at users.sourceforge.net |