0.20.1

0.20.1:

• Be sure to use python2, as /usr/bin/python is being removed
  (or made non-functional) on some distributions
• Prefer using pygobject-codegen-2.0 instead of pygtk-codegen-2.0
• Make it work with modern versions of python 2

0.20

0.20:

• As upstream became abandoned, created a ZBar fork at linuxtv.org
• Use libv4l2 for V4L2 support, using emulated formats as last resort
• Add support for Qt5
• Add zbarcam-qt and zbarcam-gtk (from the example codes)
• Add support for v4l2 controls
• Add the needed GUI bits for zbarcam-qt to work with controls
• Fix compilation issues with newer automake versions.

0.11-pre: configure.ac: use m4_pattern_allow

version 0.11:

• Codabar reliability enhancements
  • fix missing check
  • require minimum quality
  • bump default uncertainty
• tweak Codabar bar/space ratio validation
• finish Codabar support for python, perl, java and iPhone interfaces
  • reduce Codabar uncertainty to minimum
• add core support for Codabar symbology
  • TBD: python, perl, java and iPhone interfaces
• fix v4l config and build variations (bug #3348888)
  • thanks to jarekczek for reporting this!
  • NB v4l1 removed from kernel as of 2.6.38
• fix missing python thread initialization (bug #3349199)
  • thanks to jarekczek for reporting this problem!
• fix missing configure check for Python.h (bug #3092663)
  • thanks to Zoltan Kovacs for reporting this problem!
• fix C++ wrapper missing Symbol.quality (bug #3076524)
  • thanks to Rudy Melli for pointing this out!
• fix C++ wrapper bugs (bug #3396068)
  • thanks to anotheruser1 for reporting this!
  • add new C++ wrapper test
• fix avoid compositing ISBN10 data
• add support for GraphicsMagick as ImageMagick alternative
• mention xmlto in HACKING (patch #3297039)
  • thanks to jarekczek for the patch!
• disable addons by default until synchronization with main symbol is working
• fix image scanner min quality filtering
• fix i25 buffer overrun corner case
• fix EAN addon enables
• fix zbarimg to accept autodetected stdin (lone dash)
• fix Qt 4.6.3 compilation error (patch #3178244)
  • thanks to hrhristov for the patch!
• add Python Processor support for request_size interface
• fix Python Processor support for GIL, allowing asynchronous scanning
• fix jpeg decoder skip handling
  • thanks to jarekczek for the patch!
• rename dprintf macro to avoid conflicts (patch #3128538)
  • thanks to maurochehab for the patch!
• add support for EAN/UPC 2 and 5 digit add-on symbols
  • deprecate original, unfinished add-on APIs
  • add self-checking to test_decode
• fix support for GS1 AIs
  • thanks to jockusch for a patch!
  • add decoder/symbol "modifier" flags and config read access
  • set flags or emit GS appropriately for Code 128 FNC1
  • add iphone, java, perl, python bindings for modifiers and configs
• add support for Code 93 symbology
• add video size request to (Py)GTK widget (req #3034522)
  • thanks to Jerome Charaoui for the patch!
• add support for GS1 DataBar Expanded (RSS Expanded) symbology
• add language bindings for DataBar
• add preliminary support for GS1 DataBar (RSS-14) symbology
• enhance decoder reliability (EAN, Code 39, Code 128)
  • enhance decoder test
• fix documentation of command exit codes (bug #3017322)
• fix C++ video callback bug
  • add C and C++ processor examples
• add per-symbology cache consistency
  • reliable symbologies decode immediately by default
  • no more need to disable cache with video
  • also fix crop bugs w/video scanning
• add support for scanning partial images (cropping)
  • update c++, python, perl, java bindings and tests
• fix couple of leaks
• remove doc hints about GFDL (bug #3004411)
  • apply LGPL to API docs
• relax Code 39 width ratio checks
• core library portability improvements
  • remove some unnecessary C99 syntax
  • add configure checks for errno
  • enhance C++ Symbol interface
• adjust Python module README (add examples and note DLL in path)
• fix QR Code missing from man pages (bug #2969857)
• cleanup decoder assertions and locking (bug #2966916)
• add Java interface to library via JNI
  • add Java tools and JNI build tests to configure
  • fix compiler warnings from binary output changes
• fix output of binary data in zbarimg and zbarcam
  • thanks to fukuchi for a patch!
  • add base64 format for binary xml output
• add coarse symbol orientation information (patch #2913094)
  • thanks to Anssi for a patch!
  • add decode direction feedback to decoder
  • update C++, Python, Perl and ObjC wrappers
  • add orientation to test suites
• fix inconsistent fourcc endian handling bugs (bug #2918994)
  • thanks to jdccdevel for a patch!
  • add fourcc conversion and parse interfaces to zbar.h
• report QR immediately for video (no inter-frame consistency check)
• add python distutils build infrastructure

0.10

version 0.10:

• hotfix add MinGW import lib to Windows installer
• attempt fix for Qt4 < 4.4
• release updates
  • fix perl Processor init without video
• fix window closed notification during events
  • add read_one example, fix xs compiler warnings, update perl docs
• add result query interfaces to image scanner and processor
  • move result filtering into image scanner (from user)
  • abort output blockers when window closed
• Windows updates
  • update installer and README for distribution of dependency libraries
  • fix applications to use binary output for xml and raw modes
• add regression tests to makefile
• cleanup warnings from newer gcc versions
• fix excessive i25 QZ checks
• add regression script
  • add zbarimg xml output for every source (even empty)
  • add edge detection to svg debug overlay
• image scanner cleanup and minor performance enhancements
• bug hunt and stability improvements
  • fix broken processor locks
  • fix X connection polling, revert previous separate thread workaround
  • refuse to resize windows larger than screen size
  • fix window output scaling - preserve image aspect ratio, adjust overlay
  • fix window redraw
  • fix crash on Xv image creation failure (still need XImage fallback)
  • clean up zbarimg exit cases (last image window close, missing decodes)
• always use separate video thread when threads enabled (even v4l2)
• add configure check for features.h
• overlay enhancements
  • add fps to overlay
  • add overlay control to processor
  • add windows overlay drawing
• tweak linear code position info
• trim deep qrcode hierarchy
• fix zero length symbol data
• fix QR structured append result handling
• cleanup SVG debug dump (partial)
  • some QR integration API cleanup
• extract explicit result container, separate from image
  • remove (broken/tmp) converted image result sharing
  • add explicit symbol recycle API, update processor/widgets to use
  • cleanup and update C++ API
  • update Python/Perl APIs
  • fix broken and add new Python/Perl tests
• cleanup QR result integration
  • add hierarchy to symbol results
  • extract symbols during text decode, preserving position and structure
  • outline QR symbols in window overlay
  • tmp fix converted image result propagation
• factor image scanner cache and apply to QR
  • fix image scanner handler called once per-image (vs every decode)
• QZ and clustering fixes to QR integration
  • remove qr_finder QZ checks
  • decrease center clustering threshold from 1/3 to 1/5 of length
  • add img_scanner svg debug output
  • manually add config.rpath to workaround broken autofoo
• finish initial integration of QR Code reader from maemo-barcode project
• zbar-side updates for QR Code integration
  • add linear scanner position interface
  • add QR finder position feedback
  • integrate QR Code reader with img_scanner
  • refactor some symbol/image interaction
  • change default scanner density to 1
  • add iconv to build infrastructure
• initial hooks for QR Code, first pass at finder
• fix broken builds with --disable-pthread

0.9

version 0.9:

• hotfix configure check for Wand as well as MagickWand (bug #2848437)
• hotfix trim extraneous MagickWand calls (bug #2848445)
• release updates
• fix uninitialized member in Qt widget (bug #2844846)
• move image conversion out of image scanner up to higher levels
  (preparation for library split)
• add symbol quality metric and image scanner position config
  • update python, perl and docs
• compatibility fixes
  • work around ImageMagick API breakages
  • fix some OS X compile issues
• Qt widget cleanup
  • handle video device set before window attached
  • prevent exceptions from escaping event handlers
• more Qt window creation hook fixes
  • NB may still cause problems if video is opened before window is visible
• finish fix for Qt init ordering (bug #2844846)
• potential fix for display init ordering (bug #2844846)
  • new workaround for filtering bad EAN results in the image scanner
• more testing, fixes and cleanup
  • fix v4l1
  • fix/add null processor interface
• change default image scanner density to 1x1
  • random cleanup, vfw hang, quit key
  • fix scan_image example MSVC project
  • windows installer tweaks
• add zbarcam to windows installer
• major restructuring to improve platform abstraction
  • add lock, thread and timer abstractions
  • migrate specific notification locks to platform independent layer
  • fixes to vfw capture interface
  • fix window format conversion issues
  • fix some broken configure checks
  • zbarcam working in windows!
• fix symbol leaks (bug #2820658)
  • add symbol reference counting
• add support for binary symbol data
• initial VFW video support
  • mostly working with uvc driver, broken for others
  • factor out common video buffer handling
  • fix processor to destroy window before video (ref TODO)
  • use /dev/video* VFW pseudo-devices
  • windows configure skip non-windows checks
  • prep for platform refactoring
• fix zbarimg b&w format handling
• fix scan (image) boundary QZ handling (bug #2807538)
  • add linear scanner manual flush API
  • linear scanner always starts/ends w/a space of width 0
  • remove artificial image scanner border
  • decoders special case 0 width space for QZ checks
  • add missing Code 128 leading QZ check
• fix Code39 max ICS checks (bug #2807447)
  • add decoder lock owner tracking (debug)
  • update dbg_scan to match img_scanner
• first pass installer
  • add version and icon resources for libzbar, zbarimg
• zbarimg working in windows
  • switch to StretchDIBits over DrawDib
  • refactor some window drawing code to remove redundancies
  • make refcounts thread safe
  • clean up alloc/free bugs
• convert zbarimg to C (cross compiled C++ cannot run w/native libraries)
  • fix DrawDib image width granularity
  • fix window resize dimensions to include decorations
  • images still inverted, otherwise zbarimg now "working" in windows
• refactor processor implementation to support cross-platform
  • first pass windows processor (before debugging)
  • make processor locks reentrant (call APIs from callback)
• initial Windows support for window interface
  • currently supports VFW DrawDib interface for image display
    (DirectDraw and others TBD)
  • also basic processor window creation/manipulation
  • Windows configure tests

0.8

version 0.8:

• release updates
• add "raw" output option (without symbology prefix) to apps (req #2671863)
• fix Code 39 min length and document min/max configs (bug #2787925)
• fix zbar_image_free_data windows recursion loop (bug #2796277)
• fix uninitialized decoder configs (bug #2800163)
• switchover from subversion to mercurial

0.7

version 0.7:

• fix perl MANIFEST
• release updates (version, NEWS, packaging)
• adjust [py]gtk distributed files
• draw new logo (rough, no Xrender yet)
• fix Makefile.am syntax error
• fixup some perl distribution details
• project name change: everything "zebra" becomes "zbar"
• remove old logo
• add first pass python bindings!
• fix perl mortality bug
• add new cfg constants to perl
• fix perl doc handler ref
• fix processor set_active error propagation
• add wiki examples (scan_image., processor.)
• add missing trailing quiet zone checks for ean and code39
• add min/max code length cfg/check for i25,code128,code39,pdf417
• add image scan density API/option
• tweak option parser to be more strict/correct about abbreviations
• add API to force specific video io modes (req #2293955)
• apply patches for more broken driver workarounds (req #2293955)
• fix(?) C++ string to fourcc conversion
• add missing C++ wrappers
• add additional examples to man pages (symbology enable/disable)
• add missing options to man page synopsis
• add missing --xml option to man pages

0.6

version 0.6:

• hotfix broken perl install (name change)
• add missing files to distribution
• release updates (version, NEWS, pacakging)
• rename perl module to Barcode::Zebra (fit with existing cpan namespace)
• add perl documentation and example
• add v4l version debug/test override
• add docs for new zebracam prescale option
• add video pre-scaling API/option to video/processor/zebracam (req #2277340)
• add few missing APIs to perl xs wrapper
• fix missing libjpeg #ifdef in convert
• initial support for decoding jpeg images using libjpeg!
• workaround broken v4l2 drivers in USERPTR mode
• have configure double check Magick++ install (bug #2582232)
• update README dependency list
• fix C++ warnings in Processor
• fixes for building DLLs with libtool under MinGW
• automatically remove "processor" layer if poll.h is unavailable
• test_decode portability workarounds
• add config/compile time symbology enables
• add low-level PDF417 decode stage - converts widths to codewords
• add XML output option to zebracam and zebraimg
• add sequence number image attribute, set to frame number by video
• change v4l2 interlaced only drivers to warning instead of hard fail
• workaround broken drivers that return error for V4L2_FIELD_NONE request
• add some initial PDF417 hooks
• first pass perl bindings for Processor, Scanner and Decoder
• fix error propagation double free bug
• add missing APIs: processor userdata and image data length
• fix configure check for v4l2 - thanks to Simon Matter for the patch!
• finish support for UPC-E
• fix zebraimg to scan all pages/frames of a multi-frame input
• fix debian packaging dependencies (bug #2070164)
• remove debian directory from distribution (bug #2070164)
• fix inappropriately installed headers and man pages (bug #2055133)
• fix pygtk multiple definition link errors on darwin (bug #2052681)
• fixes to configure for detecting python settings (bug #2052663)
• remove zebrapygtk module link against libpython (bug #2052663)
• add drag and drop support for images to Qt widget...unfortunately not
  very useful; every application i tried drops uri-refs rather than images
• minor reference documentation updates

0.5: * release updates (version, NEWS, packaging)

version 0.5:

• release updates (version, NEWS, packaging)
• add pkg-config files
• update to latest libtool and new autoconf macros
• cleanup library symbol exports
  • remove test programs using internal hooks
• improve portability of some format specifiers
• fix missing stub for --without-x - thanks to Simon Schmeisser for a patch!
• fix --disable-pthread compile errors and warnings
• fix XImage size mismatch background artifacts
• fix new generated file distribution errors
• switch Qt headers to old-style names (investigate possible Qt3 support?)
• add independent ABI versioning for GTK and Qt widget libraries
• reimplement widget internals to support image scanning and
  improve locking efficiency
• add image scanning to widgets. including builtin conversions from
  toolkit image types: GtkPixbuf and QImage
• add video opened hooks to widgets (improved use model)
• add logo, used when there is nothing better to draw
• add userdata to image object
• fix image reuse cleanup bug
• fix format specifiers in some error messages
• enhance widget tests to support enable/disable and scan from image
• fix broken deallocation assumptions in test_qt
• widget API documentation (still need to hookup gtkdoc, and PyGtk docs)
• API documentation toplevel overview
• update configure summary for new features
• replace all decoder assertions w/non-fatal debug spew (bug #1986478)
• fix glib-genmarshal check
• add first pass of Qt widget!
  • test/example in test/test_qt.cpp
  • factor video device scan to share among tests
• more C++ integration fixes
  • additional Image ref tweaks
  • add Video.close() and Window.clear() APIs
• fix missing image scanner handler call
• add dereference operator to C++ Symbol
• add count attribute to C++ Symbol
• fix broken C++ header definitions
• fix broken C++ Image references
• expose internal reference counting interface
• fix window locking bug
• cleanup some minor memory leaks
• convert Code 128 assertions to non-fatal warning spew
• fix single buffer video hang (bug #1984543)
• replace inferred video size assertion with warning message (bug #1984543)
• add first pass of GTK widget!
• add PyGTK widget wrapper
• API change: modify window draw/redraw interface to improve interoperability
  with toolkits
  • add window locking for thread safety
  • zebra_window_draw() no longer actually "draws" anything
    => use window.draw to update the image from video thread
    then schedule window.redraw from toolkit GUI thread
• fix missing C++ std lib dependencies
• fix uninitialized handler/userdata bug in decoder
• fix broken Code 128 checksum assertion
• fix video destructor segfault
• fix window destructor Xvideo errors (XID is unsigned...)
• switch configure to use pkg-config to find most dependencies
• API documentation updates

0.4: * release updates (version, NEWS, packaging, examples)

version 0.4:

• release updates (version, NEWS, packaging, examples)
• couple of portability tweaks
• finish format conversion resize cases
• add missing conversions
• fix some broken conversions
• fix some broken redraw and Xv checks
• add decoder configuration API
  • only boolean configs currently implemented
  • integrate config option parsing w/zebracam and zebraimg
  • add config to enable/disable each symbology type
  • add optional conversions from EAN-13 to UPC-A, ISBN-10 and ISBN-13
    (disabled by default)
  • add config to emit/suppress check digit
    NB behavior change! check digit is now emitted by default
• related documentation updates
  • split common options to a separate entity
• fallback to gettimeofday when POSIX timers are not available
• image format conversion fixes
  • fix format size roundoff (NB now rounds down)
  • add convert and resize API to pad/crop image to specific size
    (eg, to handle Xv min/max image size)
    NB this is still not implemented for many conversions
• fix window deletion visibility inconsistency
• add couple processor commands
  • 'q' to delete window
  • 'd' to dump displayed image for debug
• remove problematic includes used for v4l2 configure test
• address compiler portability concerns w/debug print vararg macro
• workaround v4l1_set_format() failed consistency check for broken drivers
  • change from error to warning w/more useful message
  • calc expected image size using expected value instead of driver value
• add missing example scripts to distribution
• add missing files for Interleaved 2 of 5
• add support for Interleaved 2 of 5 symbology!
  • again no check digit option yet
• increase decode window from 8 to 16 bars
  • remove Code 39 "extra bar" hack
  • add Code 39 quiet zone check
  • facilitate Interleaved 2 of 5
• optimize character width calculations for all symbologies
• fix image scanner bug w/lost symbols at end of scan passes
• fix EAN-8 buffer overrun case
• add API doc footer
• add API documentation generated by Doxygen
  • markup, cleanup and finish writing header comments
  • setup Doxygen config file
• add/fix window GC
• add base support for Code 39 (no check digit or full ASCII options yet)
• cleanup decoder locking
• add support for EAN-8!