2 Libpng 1.0.9 - January 31, 2001
4 This is a public release of libpng, intended for use in production codes.
6 Changes since the last public release (1.0.8):
8 Fixed typo in scripts/makefile.hpux
9 Fixed seqence-point bug in contrib/pngminus/png2pnm (Martin Zinser)
10 Updated makevms.com in scripts and contrib/* and contrib/* (Martin Zinser)
11 Changed "cdrom.com" in documentation to "libpng.org"
12 Revised pnggccrd.c to get it all working, and updated makefile.gcmmx (Greg).
13 Changed type of "params" from voidp to png_voidp in png_read|write_png().
14 Added MNG_EXTENSIONS_SUPPORTED macro and support for some proposed MNG
15 features, for testing purposes.
16 Make sure PNGAPI and PNG_IMPEXP are defined in pngconf.h.
17 Revised the 3 instances of WRITEFILE in pngtest.c.
18 Updated png.rc in dll/msvc project
19 Revised makefile.dec to define and use LIBPATH and INCPATH
20 Increased size of global png_libpng_ver[] array from 12 to 18 chars.
21 Made global png_libpng_ver[], png_sig[] and png_pass_*[] arrays const.
22 Removed duplicate png_crc_finish() from png_handle_bKGD() function.
23 Added a warning when application calls png_read_update_info() multiple times.
24 Revised makefile.cygwin
25 Fixed bugs in iCCP support in pngrutil.c and pngwutil.c.
26 Replaced png_set_empty_plte_permitted() with png_permit_mng_features().
27 Relocated "msvc" and "wince" project subdirectories into "projects"
28 subdirectory and added projects/borland project subdirectory.
29 Set VS_FF_PRERELEASE and VS_FF_PATCHED flags in msvc/png.rc when appropriate.
30 Add error message in png_set_compression_buffer_size() when malloc fails.
31 Revised PNG_LIBPNG_BUILD_TYPE macro in png.h, used in the msvc project.
32 Removed the png_flush() in pngwrite.c that crashes some applications
33 that don't set png_output_flush_fn.
34 Added makefile.macosx and makefile.aix to scripts directory.
35 Change png_chunk_warning to png_warning in png_check_keyword().
36 Increased the first part of msg buffer from 16 to 18 in png_chunk_error().
37 Added support for filter method 64 (for PNG datastreams embedded in MNG)
38 Revised png_set_filter() to accept filter method 64 when appropriate.
39 Added new PNG_HAVE_PNG_SIGNATURE bit to png_ptr->mode and use it to
40 help prevent applications from using MNG features in PNG datastreams.
41 Revised libpng.3/libpng.txt. Changed "filter type" to "filter method".
42 Fixed error handling of unknown compression type in png_decompress_chunk().
43 In pngconf.h, define __cdecl when _MSC_VER is defined.
44 Changed PNG_TEXT_COMPRESSION_zTXt to PNG_COMPRESSION_TYPE_BASE several places.
45 Revised memory management in png_set_hIST and png_handle_hIST in a backward
46 compatible manner. PLTE and tRNS were revised similarly.
47 Revised the iCCP chunk reader to ignore trailing garbage.
48 Moved pngasmrd.h into pngconf.h.
49 Improved handling of out-of-spec garbage iCCP chunks generated by PhotoShop.
50 Added png_set_invalid to wince and msvc project module definition files.
51 Fixed bug with progressive reading of narrow interlaced images in pngpread.c
52 Do not typedef png_FILE_io in pngconf.h when PNG_NO_STDIO is defined.
53 Updated makefile.sgi to make shared library.
54 Added check of cygwin's ALL_STATIC in pngconf.h
55 Added "-nommx" parameter to contrib/gregbook/rpng2-win and rpng2-x demos.
57 Send comments/corrections/commendations to
58 png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu