ref: d8294b25104e9033408c18b68567281ae8e9d5e0
dir: jbig2/CHANGES
Version 0.19 (2020 September 10)
* API change to use full 32 bit segment numbers, in accordance
to the JBIG2 specification.
* Better handling of end of input data stream and and when
encountering errors in the arithmetic decoder stream. This
should improve many situations where jbig2dec appeared to
run forever.
* Fix several bugs related to signedness or over-/underflow
checks that were not robust.
* Bug fixes for issues reported by Coverity/OSS-fuzz.
* Add option to limit memory usage to command line tool.
* Update manpages, and command line tool usage.
Version 0.18 (2020 February 11)
* Performance enhancements related to decoding of MMR and generic
regions as well as composing images onto pages.
* Bug fixes for a few issues reported by Coverity and OSS-Fuzz.
Version 0.17 (2019 September 16)
* Improved test suite by verifying input file contents and adding
all ubc test streams. Fixed bugs where previously missing ubc
test streams were decoded incorrectly.
* Bug fixes for a few issues reported by Coverity.
* Moved version number to jbig2.h, and adapted configure
correspondingly. Added pkg-config file to be installed
along side library.
Version 0.16 (2019 April 04)
* API change allowing for library users to get the custom allocator
so it may be freed if necessary. This is useful if the allocator
is extended with e.g. a custom pointer needed by the allocator
callbacks.
Version 0.15 (2018 September 04)
* Bug fix release, with many security related and stability fixes
as well as better tolerance/behaviour with out of spec files
Version 0.14 (2017 October 04)
* Bug fix release.
Version 0.13 (2016 April 07)
* Bug fix release.
Version 0.12 (2014 October 1)
* Bug fix release.
Version 0.11 (2010 February 2)
* Support for generic regions with typical prediction (042_8.jb2)
* Correct bitmap offsets with transposed text (042_19.jb2)
* Autotools build now uses libtool and provides a shared library
* Manpage for jbig2dec
* Code cleanup and robustness fixes
Version 0.10 (2009 May 28)
* Security fix for malicious symbol dictionaries CVE-2009-0196
* Fix various resource leaks and error handling issues
* Dynamically allocate huffman symbol length histogram to save space
* Support aggregate symbol coding
* Work around invalid Xerox WorkCentre streams which write the
final segment length as -1
* Fix an issue with huffman table runcodes
Version 0.9 (2006 July 27)
* striped page support
* successfully decodes ubc test streams 042_9, 042_20
Version 0.8 (2005 April 6)
* Fix an allocation error in the page array
* properly handle non-OR image composition operators
* Fix a UMR bug in the compositor
* successfully decodes ubc test streams 042_12,15,16,17,18
* various memory leak fixes
Version 0.7 (2004 December 8)
* properly initialize page buffers
* refinement region handling
* successfully decodes ubc test streams 042_21, 042_22 and 042_23
* generic region template 3 handling with arbitrary AT locations
* successfully decodes ubc test streams 042_6 and 042_7
Version 0.6 (2003 December 31)
* minor portability fix for cygwin
Version 0.5 (2003 December 4)
* compiler warning fixes
* Properly handle the export specification for symbol
dictionaries.
* successfully decodes multipage documents from the
Adobe encoder.
Version 0.4 (released 2003 August 1)
* redid license header to simplify relabelling for commercial
distribution, borrowing from Ghostscript.
Version 0.3 (released 2003 May 20)
* win32 portability fixes related to ghostscript integration
* generic mmr region support
* successfully decodes ubc test stream 042_3
Version 0.2 (released 2003 April 17)
* portability fixes
* support for metadata extension segments (latin-1 only)
* decodes single-page documents from the Adobe encoder
* various other bugfixes
Version 0.1 (released 2002 August 6)
* decodes artithmetic and huffman-coded generic regions
- some templates not working
* decodes arithmetic symbol dictionaries
* decodes artithmetic text regions
* successfully decodes ubc test streams 042_1,2,4,5 and 10.
* successfully decodes CVision embedded bitstream str-p39
* regression testing harness based on SHA-1 hashes of known files