X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5b02c8a11f0e0d284eff32cfde1fcd2a4b2e659d..c37b0f0907b07878551a00165b0ad323bd2ccdaf:/src/png/ANNOUNCE diff --git a/src/png/ANNOUNCE b/src/png/ANNOUNCE index 7f33c1674d..37a4b49397 100644 --- a/src/png/ANNOUNCE +++ b/src/png/ANNOUNCE @@ -1,117 +1,49 @@ -Libpng 1.2.6 - August 15, 2004 +Libpng 1.6.2 - April 25, 2013 -This is not intended to be a public release. It will be replaced -within a few weeks by a public version or by another test version. +This is a public release of libpng, intended for use in production codes. -Changes since the last public release (1.2.5): +Files available for download: - Commented out warning about uninitialized mmx_support in pnggccrd.c. - Changed "IBMCPP__" flag to "__IBMCPP__" in pngconf.h. - Relocated two more misplaced PNGAPI lines in pngtest.c - Fixed memory overrun bug in png_do_read_filler() with 16-bit datastreams, - introduced in version 1.0.2. - Fixed potential overrun in pngerror.c by using strncpy instead of memcpy. - Revised makefile.macosx, makefile.dec, makefile.aix, and makefile.32sunu. - Changed the one instance of "ln -sf" to "ln -f -s" in each Sun makefile. - Fixed potential overrun in pngerror.c by using strncpy instead of memcpy. - Added "#!/bin/sh" at the top of configure, for recognition of the - 'x' flag under Cygwin (Cosmin). - Optimized vacuous tests that silence compiler warnings, in png.c (Cosmin). - Added support for PNG_USER_CONFIG, in pngconf.h (Cosmin). - Fixed the special memory handler for Borland C under DOS, in pngmem.c - (Cosmin). - Removed some spurious assignments in pngrutil.c (Cosmin). - Replaced 65536 with 65536L, and 0xffff with 0xffffL, to silence warnings - on 16-bit platforms (Cosmin). - Enclosed shift op expressions in parentheses, to silence warnings (Cosmin). - Used proper type png_fixed_point, to avoid problems on 16-bit platforms, - in png_handle_sRGB() (Cosmin). - Added compression_type to png_struct, and optimized the window size - inside the deflate stream (Cosmin). - Fixed definition of isnonalpha(), in pngerror.c and pngrutil.c (Cosmin). - Fixed handling of unknown chunks that come after IDAT (Cosmin). - Allowed png_error() and png_warning() to work even if png_ptr == NULL - (Cosmin). - Replaced row_info->rowbytes with row_bytes in png_write_find_filter() - (Cosmin). - Fixed definition of PNG_LIBPNG_VER_DLLNUM (Simon-Pierre). - Used PNG_LIBPNG_VER and PNG_LIBPNG_VER_STRING instead of the hardcoded - values in png.c (Simon-Pierre, Cosmin). - Initialized png_libpng_ver[] with PNG_LIBPNG_VER_STRING (Simon-Pierre). - Replaced PNG_LIBPNG_VER_MAJOR with PNG_LIBPNG_VER_DLLNUM in png.rc - (Simon-Pierre). - Moved the definition of PNG_HEADER_VERSION_STRING near the definitions - of the other PNG_LIBPNG_VER_... symbols in png.h (Cosmin). - Relocated #ifndef PNGAPI guards in pngconf.h (Simon-Pierre, Cosmin). - Updated scripts/makefile.vc(a)win32 (Cosmin). - Updated the MSVC project (Simon-Pierre, Cosmin). - Updated the Borland C++ Builder project (Cosmin). - Avoided access to asm_flags in pngvcrd.c, if PNG_1_0_X is defined (Cosmin). - Commented out warning about uninitialized mmx_support in pngvcrd.c (Cosmin). - Removed scripts/makefile.bd32 and scripts/pngdef.pas (Cosmin). - Added extra guard around inclusion of Turbo C memory headers, in pngconf.h - (Cosmin). - Renamed projects/msvc/ to projects/visualc6/, and projects/borland/ to - projects/cbuilder5/ (Cosmin). - Moved projects/visualc6/png32ms.def to scripts/pngw32.def, - and projects/visualc6/png.rc to scripts/pngw32.rc (Cosmin). - Added projects/visualc6/pngtest.dsp; removed contrib/msvctest/ (Cosmin). - Updated contrib/visupng/VisualPng.dsp (Cosmin). - Updated contrib/visupng/cexcept.h to version 2.0.0 (Cosmin). - Added a separate distribution with "configure" and supporting files (Junichi). - Added user ability to change png_size_t via a PNG_SIZE_T macro. - Added png_sizeof() and png_convert_size() functions. - Added PNG_SIZE_MAX (maximum value of a png_size_t variable. - Added check in png_malloc_default() for (size_t)size != (png_uint_32)size - which would indicate an overflow. - Changed sPLT failure action from png_error to png_warning and abandon chunk. - Changed sCAL and iCCP failures from png_error to png_warning and abandon. - Added png_get_uint_31(png_ptr, buf) function. - Added PNG_UINT_32_MAX macro. - Renamed PNG_MAX_UINT to PNG_UINT_31_MAX. - Made png_zalloc() issue a png_warning and return NULL on potential - overflow. - Revised "clobber list" in pnggccrd.c so it will compile under gcc-3.4. - Revised Borland portion of png_malloc() to return NULL or issue - png_error() according to setting of PNG_FLAG_MALLOC_NULL_MEM_OK. - Added PNG_NO_SEQUENTIAL_READ_SUPPORTED macro to conditionally remove - sequential read support. - Added some "#if PNG_WRITE_SUPPORTED" blocks. - #ifdef'ed out some redundancy in png_malloc_default(). - Use png_malloc instead of png_zalloc to allocate the pallete. - Rearranged order of processing of color types in png_handle_tRNS(). - Added PNG_ROWBYTES macro to calculate rowbytes without integer overflow. - Updated makefile.darwin and removed makefile.macosx from scripts directory. - Imposed default one million column, one-million row limits on the image - dimensions, and added png_set_user_limits() function and - PNG_SET_USER_LIMITS_SUPPORTED macro to override them. - Fixed wrong cast of returns from png_get_user_width|height_max(). - Fixed buffer overflow vulnerability in png_handle_tRNS() - Fixed integer arithmetic overflow vulnerability in png_read_png(). - Fixed some harmless bugs in png_handle_sBIT, etc, that would cause - duplicate chunk types to go undetected. - Changed some "keep the compiler happy" from empty statements to returns, -Revised libpng.txt to remove 1.2.x stuff from the 1.0.x distribution - Revised makefile.darwin and makefile.solaris. Removed makefile.macosx. - Revised pngtest's png_debug_malloc() to use png_malloc() instead of - png_malloc_default() which is not supposed to be exported. - Fixed old bug in RGB to Gray transformation. - Fixed problem with 64-bit compilers by casting arguments to abs() - to png_int_32. - Changed "ln -sf" to "ln -f -s" in three makefiles (solaris, sco, so9). - Changed "HANDLE_CHUNK_*" to "PNG_HANDLE_CHUNK_*" (Cosmin) - Added "-@/bin/rm -f $(DL)/$(LIBNAME).so.$(PNGMAJ)" to 15 *NIX makefiles. - Added code to update the row_info->colortype in png_do_read_filler() (MSB). - Eliminated use of "abs()" in testing cHRM and gAMA values, to avoid - trouble with some 64-bit compilers. Created PNG_OUT_OF_RANGE() macro. - Revised documentation of png_set_keep_unknown_chunks(). - Check handle_as_unknown status in pngpread.c, as in pngread.c previously. - Moved "PNG_HANDLE_CHUNK_*" macros out of PNG_INTERNAL section of png.h - Added "rim" definitions for CONST4 and CONST6 in pnggccrd.c - Revised pngtest so memory allocation testing is only done when PNG_DEBUG==1. +Source files with LF line endings (for Unix/Linux) and with a +"configure" script -Send comments/corrections/commendations to -png-implement@ccrc.wustl.edu or to glennrp@users.sourceforge.net + libpng-1.6.2.tar.xz (LZMA-compressed, recommended) + libpng-1.6.2.tar.gz + +Source files with CRLF line endings (for Windows), without the +"configure" script + + lpng162.7z (LZMA-compressed, recommended) + lpng162.zip + +Other information: + + libpng-1.6.2-README.txt + libpng-1.6.2-LICENSE.txt + +Changes since the last public release (1.6.1): + + Updated documentation of 1.5.x to 1.6.x changes in iCCP chunk handling. + Fixed incorrect warning of excess deflate data. End condition - the + warning would be produced if the end of the deflate stream wasn't read + in the last row. The warning is harmless. + Corrected the test on user transform changes on read. It was in the + png_set of the transform function, but that doesn't matter unless the + transform function changes the rowbuf size, and that is only valid if + transform_info is called. + Corrected a misplaced closing bracket in contrib/libtests/pngvalid.c + (Flavio Medeiros). + Corrected length written to uncompressed iTXt chunks (Samuli Suominen). + Added contrib/tools/fixitxt.c, to repair the erroneous iTXt chunk length + written by libpng-1.6.0 and 1.6.1. + Disallow storing sRGB information when the sRGB is not supported. + Merge pngtest.c with libpng-1.7.0 + +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