split up pngwrite.c to several files
added pnglib.txt
added example.c
- cleaned up writer, adding a few new tranformations
+ cleaned up writer, adding a few new transformations
fixed some bugs in writer
interfaced with zlib 0.5
added K&R support
created png_color_16 and png_color_8 to handle color needs
cleaned up color type defines
fixed various bugs
- made various names more consistant
+ made various names more consistent
interfaced with zlib 0.71
cleaned up zTXt reader and writer (using zlib's Reset functions)
split transformations into pngrtran.c and pngwtran.c
added "packswap" transformation, which changes the endianness of
packed-pixel bytes (Kevin Bracey)
added "strip_alpha" transformation, which removes the alpha channel of
- input images without using it (not neccesarily a good idea)
+ input images without using it (not necessarily a good idea)
added "swap_alpha" transformation, which puts the alpha channel in front
of the color bytes instead of after
removed all implicit variable tests which assume NULL == 0 (I think)
more chunk types tested in pngtest.c
renamed pngrcb.c to pngset.c, and all png_read_<chunk> functions to be
png_set_<chunk>. We now have corresponding png_get_<chunk>
- functions in pngget.c to get infomation in info_ptr. This isolates
+ functions in pngget.c to get information in info_ptr. This isolates
the application from the internal organization of png_info_struct
(good for shared library implementations).
Updated scripts/makevms.com and added makevms.com to contrib/gregbook
and contrib/pngminus (Martin Zinser)
version 1.0.5c [November 26, 1999]
- Moved png_get_header_version from png.h to png.c, to accomodate ansi2knr.
+ Moved png_get_header_version from png.h to png.c, to accommodate ansi2knr.
Removed all global arrays (according to PNG_NO_GLOBAL_ARRAYS macro), to
- accomodate making DLL's: Moved usr_png_ver from global variable to function
+ accommodate making DLL's: Moved usr_png_ver from global variable to function
png_get_header_ver() in png.c. Moved png_sig to png_sig_bytes in png.c and
eliminated use of png_sig in pngwutil.c. Moved the various png_CHNK arrays
into pngtypes.h. Eliminated use of global png_pass arrays. Declared the
Moved "PNG_HANDLE_CHUNK_*" macros out of PNG_ASSEMBLER_CODE_SUPPORTED
section of png.h where they were inadvertently placed in version rc3.
-version 1.0.16 and 1.2.6 [August 15, 2004]
+version 1.2.6 and 1.0.16 [August 15, 2004]
Revised pngtest so memory allocation testing is only done when PNG_DEBUG==1.
version 1.2.7beta1 [August 26, 2004]
Removed unused pngasmrd.h file.
Added png_set_add_alpha() that updates color type.
version 1.0.17rc1 and 1.2.7rc1 [September 4, 2004]
Revised png_set_strip_filler() to not remove alpha if color_type has alpha.
-version 1.0.17 and 1.2.7 [September 12, 2004]
+
+version 1.2.7 and 1.0.17 [September 12, 2004]
Added makefile.hp64
Changed projects/msvc/png32ms.def to scripts/png32ms.def in makefile.cygwin
+version 1.2.8beta1 [November 1, 2004]
+ Fixed bug in png_text_compress() that would fail to complete a large block.
+ Fixed bug, introduced in libpng-1.2.7, that overruns a buffer during
+ strip alpha operation in png_do_strip_filler().
+ Added PNG_1_2_X definition in pngconf.h
+ #ifdef out png_info_init in png.c and png_read_init in pngread.c (as of 1.3.0)
+version 1.2.8beta2 [November 2, 2004]
+ Reduce color_type to a nonalpha type after strip alpha operation in
+ png_do_strip_filler().
+version 1.2.8beta3 [November 3, 2004]
+ Revised definitions of PNG_MAX_UINT_32, PNG_MAX_SIZE, and PNG_MAXSUM
+version 1.2.8beta4 [November 12, 2004]
+ Fixed (again) definition of PNG_LIBPNG_VER_DLLNUM in png.h (Cosmin).
+ Added PNG_LIBPNG_BUILD_PRIVATE in png.h (Cosmin).
+ Set png_ptr->zstream.data_type to Z_BINARY, to avoid unnecessary detection
+ of data type in deflate (Cosmin).
+ Deprecated but continue to support SPECIALBUILD and PRIVATEBUILD in favor of
+ PNG_LIBPNG_BUILD_SPECIAL_STRING and PNG_LIBPNG_BUILD_PRIVATE_STRING.
+version 1.2.8beta5 [November 20, 2004]
+ Use png_ptr->flags instead of png_ptr->transformations to pass
+ PNG_STRIP_ALPHA info to png_do_strip_filler(), to preserve ABI
+ compatibility.
+ Revised handling of SPECIALBUILD, PRIVATEBUILD,
+ PNG_LIBPNG_BUILD_SPECIAL_STRING and PNG_LIBPNG_BUILD_PRIVATE_STRING.
+version 1.2.8rc1 [November 24, 2004]
+ Moved handling of BUILD macros from pngconf.h to png.h
+ Added definition of PNG_LIBPNG_BASE_TYPE in png.h, inadvertently
+ omitted from beta5.
+ Revised scripts/pngw32.rc
+ Despammed mailing addresses by masking "@" with "at".
+ Inadvertently installed a supposedly faster test version of pngrutil.c
+version 1.2.8rc2 [November 26, 2004]
+ Added two missing "\" in png.h
+ Change tests in pngread.c and pngpread.c to
+ if (png_ptr->transformations || (png_ptr->flags&PNG_FLAG_STRIP_ALPHA))
+ png_do_read_transformations(png_ptr);
+version 1.2.8rc3 [November 28, 2004]
+ Reverted pngrutil.c to version libpng-1.2.8beta5.
+ Added scripts/makefile.elf with supporting code in pngconf.h for symbol
+ versioning (John Bowler).
+version 1.2.8rc4 [November 29, 2004]
+ Added projects/visualc7 (Simon-pierre).
+version 1.2.8rc5 [November 29, 2004]
+ Fixed new typo in scripts/pngw32.rc
+
+version 1.2.8 [December 3, 2004]
+ Removed projects/visualc7, added projects/visualc71.
+
+version 1.2.9beta1 [February 21, 2006]
+
+ Initialized some structure members in pngwutil.c to avoid gcc-4.0.0 complaints
+ Revised man page and libpng.txt to make it clear that one should not call
+ png_read_end or png_write_end after png_read_png or png_write_png.
+ Updated references to png-mng-implement mailing list.
+ Fixed an incorrect typecast in pngrutil.c
+ Added PNG_NO_READ_SUPPORTED conditional for making a write-only library.
+ Added PNG_NO_WRITE_INTERLACING_SUPPORTED conditional.
+ Optimized alpha-inversion loops in pngwtran.c
+ Moved test for nonzero gamma outside of png_build_gamma_table() in pngrtran.c
+ Make sure num_trans is <= 256 before copying data in png_set_tRNS().
+ Make sure num_palette is <= 256 before copying data in png_set_PLTE().
+ Interchanged order of write_swap_alpha and write_invert_alpha transforms.
+ Added parentheses in the definition of PNG_LIBPNG_BUILD_TYPE (Cosmin).
+ Optimized zlib window flag (CINFO) in contrib/pngsuite/*.png (Cosmin).
+ Updated scripts/makefile.bc32 for Borland C++ 5.6 (Cosmin).
+ Exported png_get_uint_32, png_save_uint_32, png_get_uint_16, png_save_uint_16,
+ png_get_int_32, png_save_int_32, png_get_uint_31 (Cosmin).
+ Added type cast (png_byte) in png_write_sCAL() (Cosmin).
+ Fixed scripts/makefile.cygwin (Christian Biesinger, Cosmin).
+ Default iTXt support was inadvertently enabled.
+
+version 1.2.9beta2 [February 21, 2006]
+
+ Check for png_rgb_to_gray and png_gray_to_rgb read transformations before
+ checking for png_read_dither in pngrtran.c
+ Revised checking of chromaticity limits to accommodate extended RGB
+ colorspace (John Denker).
+ Changed line endings in some of the project files to CRLF, even in the
+ "Unix" tar distributions (Cosmin).
+ Made png_get_int_32 and png_save_int_32 always available (Cosmin).
+ Updated scripts/pngos2.def, scripts/pngw32.def and projects/wince/png32ce.def
+ with the newly exported functions.
+ Eliminated distributions without the "configure" script.
+ Updated INSTALL instructions.
+
+version 1.2.9beta3 [February 24, 2006]
+
+ Fixed CRCRLF line endings in contrib/visupng/VisualPng.dsp
+ Made libpng.pc respect EXEC_PREFIX (D. P. Kreil, J. Bowler)
+ Removed reference to pngasmrd.h from Makefile.am
+ Renamed CHANGES to ChangeLog.
+ Renamed LICENSE to COPYING.
+ Renamed ANNOUNCE to NEWS.
+ Created AUTHORS file.
+
+version 1.2.9beta4 [March 3, 2006]
+
+ Changed definition of PKGCONFIG from $prefix/lib to $libdir in configure.ac
+ Reverted to filenames LICENSE and ANNOUNCE; removed AUTHORS and COPYING.
+ Removed newline from the end of some error and warning messages.
+ Removed test for sqrt() from configure.ac and configure.
+ Made swap tables in pngtrans.c PNG_CONST (Carlo Bramix).
+ Disabled default iTXt support that was inadvertently enabled in
+ libpng-1.2.9beta1.
+ Added "OS2" to list of systems that don't need underscores, in pnggccrd.c
+ Removed libpng version and date from *.c files.
+
+version 1.2.9beta5 [March 4, 2006]
+ Removed trailing blanks from source files.
+ Put version and date of latest change in each source file, and changed
+ copyright year accordingly.
+ More cleanup of configure.ac, Makefile.ac, and associated scripts.
+ Restored scripts/makefile.elf which was inadvertently deleted.
+
+version 1.2.9beta6 [March 6, 2006]
+ Fixed typo (20) in configuration files.
+
+version 1.2.9beta7 [March 7, 2006]
+ Removed libpng.vers and libpng.sym from libpng12_la_SOURCES in Makefile.am
+ Fixed inconsistent #ifdef's around png_sig_bytes() and png_set_sCAL_s()
+ in png.h.
+ Updated makefile.elf as suggested by debian.
+ Made cosmetic changes to some makefiles, adding LN_SF and other macros.
+ Made some makefiles accept "exec_prefix".
+
+version 1.2.9beta8 [March 9, 2006]
+ Fixed some "#if defined (..." which should be "#if defined(..."
+ Bug introduced in libpng-1.2.8.
+ Fixed inconsistency in definition of png_default_read_data()
+ Restored blank that was lost from makefile.sggcc "clean" target in beta7.
+ Revised calculation of "current" and "major" for irix in ltmain.sh
+ Changed "mkdir" to "MKDIR_P" in some makefiles.
+ Separated PNG_EXPAND and PNG_EXPAND_tRNS.
+ Added png_set_expand_gray_1_2_4_to_8() and deprecated
+ png_set_gray_1_2_4_to_8() which also expands tRNS to alpha.
+
+version 1.2.9beta9 [March 10, 2006]
+ Include "config.h" in pngconf.h when available.
+ Added some checks for NULL png_ptr or NULL info_ptr (timeless)
+
+version 1.2.9beta10 [March 20, 2006]
+ Removed extra CR from contrib/visualpng/VisualPng.dsw (Cosmin)
+ Made pnggccrd.c PIC-compliant (Christian Aichinger).
+ Added makefile.mingw (Wolfgang Glas).
+ Revised pngconf.h MMX checking.
+
+version 1.2.9beta11 [March 22, 2006]
+ Fixed out-of-order declaration in pngwrite.c that was introduced in beta9
+ Simplified some makefiles by using LIBSO, LIBSOMAJ, and LIBSOVER macros.
+
+version 1.2.9rc1 [March 31, 2006]
+ Defined PNG_USER_PRIVATEBUILD when including "pngusr.h" (Cosmin).
+ Removed nonsensical assertion check from pngtest.c (Cosmin).
+
+version 1.2.9 [April 14, 2006]
+ Revised makefile.beos and added "none" selector in ltmain.sh
+
+version 1.2.10beta1 [April 15, 2006]
+ Renamed "config.h" to "png_conf.h" and revised Makefile.am to add
+ -DPNG_BUILDING_LIBPNG to compile directive, and modified pngconf.h
+ to include png_conf.h only when PNG_BUILDING_LIBPNG is defined.
+
+version 1.2.10beta2 [April 15, 2006]
+ Manually updated Makefile.in and configure. Changed png_conf.h.in
+ back to config.h.
+
+version 1.2.10beta3 [April 15, 2006]
+ Change png_conf.h back to config.h in pngconf.h.
+
+version 1.2.10beta4 [April 16, 2006]
+ Change PNG_BUILDING_LIBPNG to PNG_CONFIGURE_LIBPNG in config/Makefile*.
+
+version 1.2.10beta5 [April 16, 2006]
+ Added a configure check for compiling assembler code in pnggccrd.c
+
+version 1.2.10beta6 [April 17, 2006]
+ Revised the configure check for pnggccrd.c
+ Moved -DPNG_CONFIGURE_LIBPNG into @LIBPNG_DEFINES@
+ Added @LIBPNG_DEFINES@ to arguments when building libpng.sym
+
+version 1.2.10beta7 [April 18, 2006]
+ Change "exec_prefix=$prefix" to "exec_prefix=$(prefix)" in makefiles.
+
+version 1.2.10rc1 [April 19, 2006]
+ Ensure pngconf.h doesn't define both PNG_USE_PNGGCCRD and PNG_USE_PNGVCRD
+ Fixed "LN_FS" typo in makefile.sco and makefile.solaris.
+
+version 1.2.10rc2 [April 20, 2006]
+ Added a backslash between -DPNG_CONFIGURE_LIBPNG and -DPNG_NO_ASSEMBLER_CODE
+ in configure.ac and configure
+ Made the configure warning about versioned symbols less arrogant.
+
+version 1.2.10rc3 [April 21, 2006]
+ 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.
+ Revised makefiles and configure to avoid making links to libpng.so.*
+
+version 1.2.10 [April 23, 2006]
+ Reverted configure to "rc2" state.
+
+version 1.2.11beta1 [May 31, 2006]
+ scripts/libpng.pc.in contained "configure" style version info and would
+ not work with makefiles.
+ The shared-library makefiles were linking to libpng.so.0 instead of
+ libpng.so.3 compatibility as the library.
+
+version 1.2.11beta2 [June 2, 2006]
+ 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)
+
+version 1.2.11beta3 [June 5, 2006]
+ Prepended "#! /bin/sh" to ltmail.sh and contrib/pngminus/*.sh (Cosmin).
+ Removed the accidental leftover Makefile.in~ (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).
+
+version 1.2.11beta4 [June 6, 2006]
+ Allow zero-length IDAT chunks after the entire zlib datastream, but not
+ after another intervening chunk type.
+
+version 1.0.19rc1, 1.2.11rc1 [June 13, 2006]
+ Deleted extraneous square brackets from [config.h] in configure.ac
+
+version 1.0.19rc2, 1.2.11rc2 [June 14, 2006]
+ Added prototypes for PNG_INCH_CONVERSIONS functions to png.h
+ 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.
+
+version 1.0.19rc3, 1.2.11rc3 [June 15, 2006]
+ Removed the new typedefs for 64-bit systems (delay until version 1.4.0)
+ Added one zero element to png_gamma_shift[] array in pngrtran.c to avoid
+ reading out of bounds.
+
+version 1.0.19rc4, 1.2.11rc4 [June 15, 2006]
+ Really removed the new typedefs for 64-bit systems.
+
+version 1.0.19rc5, 1.2.11rc5 [June 22, 2006]
+ Removed png_sig_bytes entry from scripts/pngw32.def
+
+version 1.0.19, 1.2.11 [June 26, 2006]
+ None.
+
+version 1.0.20, 1.2.12 [June 27, 2006]
+ Really increased sprintf buffer from 50 to 52 chars in pngrutil.c to avoid
+ buffer overflow.
+
+version 1.2.13beta1 [October 2, 2006]
+ Removed AC_FUNC_MALLOC from configure.ac
+ Work around Intel-Mac compiler bug by setting PNG_NO_MMX_CODE in pngconf.h
+ Change "logical" to "bitwise" throughout documentation.
+ Detect and fix attempt to write wrong iCCP profile length.
+
+version 1.0.21, 1.2.13 [November 14, 2006]
+ 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.
+
+version 1.2.14beta1 [November 17, 2006]
+ Relocated three misplaced tests for NULL png_ptr.
+ Built Makefile.in with automake-1.9.6 instead of 1.9.2.
+ Build configure with autoconf-2.60 instead of 2.59
+
+version 1.2.14beta2 [November 17, 2006]
+ Added some typecasts in png_zalloc().
+
+version 1.2.14rc1 [November 20, 2006]
+ Changed "strtod" to "png_strtod" in pngrutil.c
+
+version 1.0.22, 1.2.14 [November 27, 2006]
+ Added missing "$(srcdir)" in Makefile.am and Makefile.in
+
+version 1.2.15beta1 [December 3, 2006]
+ Generated configure with autoconf-2.61 instead of 2.60
+ Revised configure.ac to update libpng.pc and libpng-config.
+
+version 1.2.15beta2 [December 3, 2006]
+ Always export MMX asm functions, just stubs if not building pnggccrd.c
+
+version 1.2.15beta3 [December 4, 2006]
+ Add "png_bytep" typecast to profile while calculating length in pngwutil.c
+
+version 1.2.15beta4 [December 7, 2006]
+ Added scripts/CMakeLists.txt
+ Changed PNG_NO_ASSEMBLER_CODE to PNG_NO_MMX_CODE in scripts, like 1.4.0beta
+
+version 1.2.15beta5 [December 7, 2006]
+ Changed some instances of PNG_ASSEMBLER_* to PNG_MMX_* in pnggccrd.c
+ Revised scripts/CMakeLists.txt
+
+version 1.2.15beta6 [December 13, 2006]
+ Revised scripts/CMakeLists.txt and configure.ac
+
+version 1.2.15rc1 [December 18, 2006]
+ Revised scripts/CMakeLists.txt
+
+version 1.2.15rc2 [December 21, 2006]
+ Added conditional #undef jmpbuf in pngtest.c to undo #define in AIX headers.
+ Added scripts/makefile.nommx
+
+version 1.2.15rc3 [December 25, 2006]
+ Fixed shared library numbering error that was intruduced in 1.2.15beta6.
+
+version 1.2.15rc4 [December 27, 2006]
+ Fixed handling of rgb_to_gray when png_ptr->color.gray isn't set.
+
+version 1.2.15rc5 [December 31, 2006]
+ Revised handling of rgb_to_gray.
+
+version 1.2.15 [January 5, 2007]
+ Added some (unsigned long) typecasts in pngtest.c to avoid printing errors.
+
+version 1.2.16beta1 [January 6, 2007]
+ Fix bugs in makefile.nommx
+
+version 1.2.16beta2 [January 16, 2007]
+ Revised scripts/CMakeLists.txt
+
+version 1.2.16 [January 31, 2007]
+ No changes.
+
+version 1.2.17beta1 [March 6, 2007]
+ Revised scripts/CMakeLists.txt to install both shared and static libraries.
+ Deleted a redundant line from pngset.c.
+
+version 1.2.17beta2 [April 26, 2007]
+ Relocated misplaced test for png_ptr == NULL in pngpread.c
+ Change "==" to "&" for testing PNG_RGB_TO_GRAY_ERR & PNG_RGB_TO_GRAY_WARN
+ flags.
+ Changed remaining instances of PNG_ASSEMBLER_* to PNG_MMX_*
+ Added pngerror() when write_IHDR fails in deflateInit2().
+ Added "const" to some array declarations.
+ Mention examples of libpng usage in the libpng*.txt and libpng.3 documents.
+
+version 1.2.17rc1 [May 4, 2007]
+ No changes.
+
+version 1.2.17rc2 [May 8, 2007]
+ Moved several PNG_HAVE_* macros out of PNG_INTERNAL because applications
+ calling set_unknown_chunk_location() need them.
+ Changed transformation flag from PNG_EXPAND_tRNS to PNG_EXPAND in
+ png_set_expand_gray_1_2_4_to_8().
+ 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.
+
+version 1.2.17rc3 [May 8, 2007]
+ Revised symbol-handling in configure script.
+
+version 1.2.17rc4 [May 10, 2007]
+ Revised unknown chunk handling to avoid storing unknown critical chunks.
+
+version 1.0.25 [May 15, 2007]
+version 1.2.17 [May 15, 2007]
+ Added "png_ptr->num_trans=0" before error return in png_handle_tRNS,
+ to eliminate a vulnerability (CVE-2007-2445, CERT VU#684664)
+
+version 1.0.26 [May 15, 2007]
+version 1.2.18 [May 15, 2007]
+ Reverted the libpng-1.2.17rc3 change to symbol-handling in configure script
+
+version 1.2.19beta1 [May 18, 2007]
+ Changed "const static" to "static PNG_CONST" everywhere, mostly undoing
+ change of libpng-1.2.17beta2. Changed other "const" to "PNG_CONST"
+ Changed some handling of unused parameters, to avoid compiler warnings.
+ "if (unused == NULL) return;" becomes "unused = unused".
+
+version 1.2.19beta2 [May 18, 2007]
+ Only use the valid bits of tRNS value in png_do_expand() (Brian Cartier)
+
+version 1.2.19beta3 [May 19, 2007]
+ Add some "png_byte" typecasts in png_check_keyword() and write new_key
+ instead of key in zTXt chunk (Kevin Ryde).
+
+version 1.2.19beta4 [May 21, 2007]
+ Add png_snprintf() function and use it in place of sprint() for improved
+ defense against buffer overflows.
+
+version 1.2.19beta5 [May 21, 2007]
+ Fixed png_handle_tRNS() to only use the valid bits of tRNS value.
+ Changed handling of more unused parameters, to avoid compiler warnings.
+ Removed some PNG_CONST in pngwutil.c to avoid compiler warnings.
+
+version 1.2.19beta6 [May 22, 2007]
+ Added some #ifdef PNG_MMX_CODE_SUPPORTED where needed in pngvcrd.c
+ Added a special "_MSC_VER" case that defines png_snprintf to _snprintf
+
+version 1.2.19beta7 [May 22, 2007]
+ Squelched png_squelch_warnings() in pnggccrd.c and added an
+ #ifdef PNG_MMX_CODE_SUPPORTED block around the declarations that caused
+ the warnings that png_squelch_warnings was squelching.
+
+version 1.2.19beta8 [May 22, 2007]
+ Removed __MMX__ from test in pngconf.h.
+
+version 1.2.19beta9 [May 23, 2007]
+ Made png_squelch_warnings() available via PNG_SQUELCH_WARNINGS macro.
+ Revised png_squelch_warnings() so it might work.
+ Updated makefile.sgcc and makefile.solaris; added makefile.solaris-x86.
+
+version 1.2.19beta10 [May 24, 2007]
+ Resquelched png_squelch_warnings(), use "__attribute__((used))" instead.
+
+version 1.2.19beta11 [May 28, 2007]
+ Return 0 from png_get_sPLT() and png_get_unknown_chunks() if png_ptr is NULL;
+ changed three remaining instances of png_strcpy() to png_strncpy() (David
+ Hill).
+ Make test for NULL row_buf at the beginning of png_do_read_transformations
+ unconditional.
+
+version 1.2.19beta12 [May 28, 2007]
+ Revised pnggccrd.c.
+
+version 1.2.19beta13 [June 14, 2007]
+ Prefer PNG_USE_PNGVCRD when _MSC_VER is defined in pngconf.h
+
+version 1.2.19beta14 [June 16, 2007]
+ Fix bug with handling of 16-bit transparency, introduced in 1.2.19beta2
+
+version 1.2.19beta15 [June 17, 2007]
+ Revised pnggccrd.c.
+
+version 1.2.19beta16 [June 18, 2007]
+ Revised pnggccrd.c again.
+ Updated contrib/gregbook.
+ Changed '#include "pnggccrd.c"' to 'include "$srcdir/pnggccrd.c"'
+ in configure.ac
+
+version 1.2.19beta17 [June 19, 2007]
+ Revised many of the makefiles, to set -DPNG_NO_MMX_CODE where needed
+ and to not use -O3 unless -DPNG_NO_MMX_CODE is also set.
+
+version 1.2.19beta18 [June 23, 2007]
+ Replaced some C++ style comments with C style comments in pnggccrd.c.
+ Copied optimized C code from pnggccrd.c to pngrutil.c, removed dependency
+ on pnggccrd.o from many makefiles.
+ Added sl and dylib to list of extensions be installed by Makefile.am
+
+version 1.2.19beta19 [June 28, 2007]
+ Fixed testing PNG_RGB_TO_GRAY_ERR & PNG_RGB_TO_GRAY_WARN in pngrtran.c
+ More cleanup of pnggccrd.c and pngvcrd.c
+
+version 1.2.19beta20 [June 29, 2007]
+ Rebuilt Makefile.in and configure using libtool-1.5.24.
+ Fixed typo in pnggccrd.c
+
+version 1.2.19beta21 [June 30, 2007]
+ More revision of pnggccrd.c
+ Added "test" target to Makefile.in and Makefile.am
+
+version 1.2.19beta22 [July 3, 2007]
+ Added info about pngrutil/pnggccrd/pngvcrd to png_get_header_version()
+ Fix type definition of dummy_value_a, b in pnggccrd.c
+
+version 1.2.19beta23 [July 10, 2007]
+ Revert change to type definition of dummy_value_a, b in pnggccrd.c
+ Make sure __PIC__ is defined in pnggccrd.c when PIC is defined.
+ Require gcc-4.1 or better to use PNG_HAVE_MMX_FILTER_ROW on x86_64 platforms
+
+version 1.2.19beta24 [July 14, 2007]
+ Added PNG_NO_READ_FILTER, PNG_NO_WRITE_FILTER, PNG_NO_WARNING macros.
+ Added contrib/pngminim to demonstrate building minimal encoder and decoder
+
+version 1.2.19beta25 [July 15, 2007]
+ Removed the new PNG_NO_READ_FILTER macro since it would make the library
+ unable to read valid PNG files, and filtering is at the heart of the
+ PNG format.
+
+version 1.2.19beta26 [July 16, 2007]
+ Changed "png_free(str)" to "png_free(png_ptr,str)" in pngrutil.c WinCE
+ code (Yves Piguet). This bug was introduced in libpng-1.2.14.
+ Updated scripts/CMakeLists.txt
+ Relocated a misplaced #endif in pnggccrd.c
+
+version 1.2.19beta27 [July 17, 2007]
+ Fixed incorrect stride and number of bytes copied (was 4 instead of
+ 6 bytes) in the cleanup loop of pnggccrd.c and pngvcrd.c for handling
+ the end of 48-bit interlaced rows (Glenn R-P).
+
+version 1.2.19beta28 [July 19, 2007]
+ Removed requirement for gcc-4.1 or better to use PNG_HAVE_MMX_FILTER_ROW
+ on x86_64 platforms
+ Added png_warning() in pngrutil.c for short iCCP, iTXt, sPLT, or zTXT chunks.
+ Revised pngtest.c so warnings are displayed regardless of PNG_NO_STDIO.
+
+version 1.2.19beta29 [July 20, 2007]
+ Fix typo in pnggccrd.c (%%eax should be %%ax in secondloop48)
+
+version 1.2.19beta30 [July 26, 2007]
+ Revised pnggccrd.c
+
+version 1.2.19beta31 [July 27, 2007]
+ Fix typos in pnggccrd.c
+
+version 1.0.27rc1 and 1.2.19rc1 [July 31, 2007]
+ Disable PNG_MMX_CODE_SUPPORTED when PNG_ASSEMBLER_CODE_SUPPORTED is off.
+ Enable PNG_MMX_READ_FILTER_* by default, except when gcc-3.x is being
+ used (they were inadvertently disabled in libpng-1.2.19beta23).
+ Fix some debugging statements in pnggccrd.c and pngrutil.c
+ Added information about disabling the MMX code in libpng documentation.
+
+version 1.0.27rc2 and 1.2.19rc2 [August 4, 2007]
+ Removed some "#if 0" blocks.
+ Made a global struct local in pngvcrd.c to make it thread safe.
+ Issue a png_error() if application attempts to transform a row tht
+ has not been initialized.
+
+version 1.0.27rc3 and 1.2.19rc3 [August 9, 2007]
+ Slightly revised pngvcrd.c
+
+version 1.0.27rc4 and 1.2.19rc4 [August 9, 2007]
+ Revised pnggccrd.c debugging change of rc1, which was broken.
+ Revised scripts/CMakeLists.txt
+ Change default to PNG_NO_GLOBAL_ARRAYS for MSVC.
+ Turn off PNG_FLAG_ROW_INIT flag when setting transforms that expand pixels.
+
+version 1.0.27rc5 and 1.2.19rc5 [August 10, 2007]
+ Fix typo (missing '"') in pnggccrd.c
+ Revise handling of png_strtod in recent versions of WINCE
+
+version 1.0.27rc6 and 1.2.19rc6 [August 15, 2007]
+ Fix typo (missing ',') in contrib/gregbook/readpng2.c
+ Undid row initialization error exit added to rc2 and rc4.
+
+version 1.0.27 and 1.2.19 [August 18, 2007]
+ Conditionally restored row initialization error exit.
+
+version 1.2.20beta01 [August 19, 2007]
+ Fixed problem with compiling pnggccrd.c on Intel-Apple platforms.
+ Added PNG_NO_ERROR_TEXT feature, with demo in contrib/pngminim
+ Removed define PNG_WARN_UNINITIALIZED_ROW 1 /* 0: warning; 1: error */
+ because it caused some trouble.
+
+version 1.2.20beta02 [August 20, 2007]
+ Avoid compiling pnggccrd.c on Intel-Apple platforms.
+
+version 1.2.20beta03 [August 20, 2007]
+ Added "/D PNG_NO_MMX_CODE" to the non-mmx builds of projects/visualc6
+ and visualc71.
+
+version 1.2.20beta04 [August 21, 2007]
+ Revised pngvcrd.c for improved efficiency (Steve Snyder).
+
+version 1.2.20rc1 [August 23, 2007]
+ Revised pngconf.h to set PNG_NO_MMX_CODE for gcc-3.x compilers.
+
+version 1.2.20rc2 [August 27, 2007]
+ Revised scripts/CMakeLists.txt
+ Revised #ifdefs to ensure one and only one of pnggccrd.c, pngvcrd.c,
+ or part of pngrutil.c is selected.
+
+version 1.2.20rc3 [August 30, 2007]
+ Remove a little more code in pngwutil.c when PNG_NO_WRITE_FILTER is selected.
+ Added /D _CRT_SECURE_NO_WARNINGS to visual6c and visualc71 projects.
+ Compile png_mmx_support() in png.c even when PNG_NO_MMX_CODE is defined.
+ Restored a "superfluous" #ifdef that was removed from 1.2.20rc2 pnggccrd.c,
+ breaking the png_mmx_support() function.
+
+version 1.2.20rc4 [September 1, 2007]
+ Removed Intel contributions (MMX, Optimized C).
+
+version 1.2.20rc5 [September 2, 2007]
+ Restored configure and Makefile.in to rc3 and put a snippet of code in
+ pnggccrd.c, to ensure configure makes the same PNG_NO_MMX_CODE selection
+
+version 1.2.20rc6 [September 2, 2007]
+ Fixed bugs in scripts/CMakeLists.txt
+ Removed pngvcrd.c references from msvc projects.
+
+version 1.0.28 and 1.2.20 [September 8, 2007]
+ Removed "(NO READ SUPPORT)" from png_get_header_version() string.
-Send comments/corrections/commendations to
-png-implement@ccrc.wustl.edu (subscription required; write to
-majordomo@ccrc.wustl.edu with "subscribe png-implement" in the message)
-or to glennrp@users.sourceforge.net
+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
projects / wxWidgets.git / blobdiff