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v2.3.0

01 Jan 21:37
@axxel axxel
v2.3.0
d6068bc
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v2.3.0 Latest
Latest

Shiny new stuff (more than I was aware of, after all this time...)

  • Add support for DX Film Edge read by @Merinorus in #684
  • Add support for detecting and reading Aztec Runes by @gormster in #763
  • Add reader support for DataBarLimited symbols (sponsored by EUREKAM)
  • Add C-API in official build (EDIT: unfortunately the default is still off, to enable do cmake -DZXING_C_API=ON)
  • Add Kotlin/Native Wrapper by @ISNing in #719
  • Add Rust wrapper based on C-API
  • Add .NET wrapper based on C-API
  • Introduce new name Barcode for Result which will be removed in 3.0
  • LocalAverage binarizer: re-implement with symmetric threshold interpolation for improved detection of inverted symbols
  • cmake: replace BUILD_... prefix of cmake options with ZXING_...
  • cmake: switch to c++-20 by default for the core library
  • ImageView: introduce bounds checks in constructor
  • ImageView: Add ImageFormat::LumX for 2-byte grey + alpha input
  • ImageFormat: replace 'X' with 'A', e.g. RGBX -> RGBA
  • ZXingReader: add -binarizer <local|global|fixed> command line option
  • ZXingReader: add -single option to setMaxNumberOfSymbols(1)
  • ZXingReader: parse -formats (including 's') command line argument
  • ZXingReader: support reading image file from stdin by passing '-'
  • android: switch 'namespace' from zxingcpp to zxingcpp.lib to fix issue with maven central publication
  • Python: add support to write bytes as binary data
  • ZXing::Version() function to query the library version at runtime (useful when dynamically linked)

New experimental API (cmake option -DZXING_EXPERIMENTAL_API=ON)

  • New experimental Create+Write API for generating/writing barcodes (will replace MultiFormatWriter)
  • New experimental libzint based writer backend
  • New ImageView Barcode::symbol() property
  • New experimental writer API in python

Minor changes and bug fixes

  • Complete ZXIReaderOptions in iOS Wrapper by @markusfisch in #692
  • ios: remove initWithFormats initializer by @markusfisch in #723
  • cmake: Make build reproducible across different build directories by @EchterAgo in #730
  • Release color space after use in iOS wrapper by @markusfisch in #790
  • cmake: allow overriding python install directories by @jameshilliard in #842
  • Refine MultiFormatReader results filtering and apply C++20 erase_if by @Doekin in #846
  • HRI: update AIs to latest gs1-syntax-dictionary.txt by @gitlost in #880
  • android: add linker flag to support flexible page sizes in Android 15 by @ccrowell-kr in #872
  • Deprecate validateITFCheckSum, validateCode39CheckSum, returnCodabarStartEnd
  • BitHacks: fix random QRCode content on pre-Haswell Windows machines
  • DataMatrix: improve detection of near 45° rotated symbols
  • cmake: add /utf-8 to MSVC compile flags
  • Barcode: tune operator==() to not split up overly tall linear symbols
  • Several ITFReader improvements
  • QRDecoder: return some content even in the presence of a checksum error
  • DataBar: improve detection rate by incorporating edge-2-edge pattern
  • PDF417: prevent wrong position info with right side collapsing to (0,0)
  • Python: make sure macOS and 64bit Linux packes on pypi.org support multi-symbol DataMatrix detection (c++20 support)

New Contributors

Sponsors

Thanks a lot for all 'old' and 'new' sponsors, listed here in alphabetical order:

Full Changelog: v2.2.1...v2.3.0

Contributors

gormster, gitlost, and 19 other contributors
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v2.3.0-rc1

31 Dec 11:40
@axxel axxel
v2.3.0-rc1
b9a959b
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v2.3.0-rc1 Pre-release
Pre-release

Shiny new stuff (more than I was aware of, after all this time...)

  • Add support for DX Film Edge read by @Merinorus in #684
  • Add support for detecting and reading Aztec Runes by @gormster in #763
  • Add reader support for DataBarLimited symbols (sponsored by EUREKAM)
  • Add C-API in official build
  • Add Kotlin/Native Wrapper by @ISNing in #719
  • Add Rust wrapper based on C-API
  • Add .NET wrapper based on C-API
  • Introduce new name Barcode for Result which will be removed in 3.0
  • LocalAverage binarizer: re-implement with symmetric threshold interpolation for improved detection of inverted symbols
  • cmake: replace BUILD_... prefix of cmake options with ZXING_...
  • cmake: switch to c++-20 by default for the core library
  • ImageView: introduce bounds checks in constructor
  • ImageView: Add ImageFormat::LumX for 2-byte grey + alpha input
  • ImageFormat: replace 'X' with 'A', e.g. RGBX -> RGBA
  • ZXingReader: add -binarizer <local|global|fixed> command line option
  • ZXingReader: add -single option to setMaxNumberOfSymbols(1)
  • ZXingReader: parse -formats (including 's') command line argument
  • ZXingReader: support reading image file from stdin by passing '-'
  • android: switch 'namespace' from zxingcpp to zxingcpp.lib to fix issue with maven central publication
  • Python: add support to write bytes as binary data

New experimental API (cmake option -DZXING_EXPERIMENTAL_API=ON)

  • New experimental Create+Write API for generating/writing barcodes (will replace MultiFormatWriter)
  • New experimental libzint based writer backend
  • New ImageView Barcode::symbol() property
  • New experimental writer API in python

Minor changes and bug fixes

  • Complete ZXIReaderOptions in iOS Wrapper by @markusfisch in #692
  • ios: remove initWithFormats initializer by @markusfisch in #723
  • cmake: Make build reproducible across different build directories by @EchterAgo in #730
  • Release color space after use in iOS wrapper by @markusfisch in #790
  • cmake: allow overriding python install directories by @jameshilliard in #842
  • Refine MultiFormatReader results filtering and apply C++20 erase_if by @Doekin in #846
  • HRI: update AIs to latest gs1-syntax-dictionary.txt by @gitlost in #880
  • android: add linker flag to support flexible page sizes in Android 15 by @ccrowell-kr in #872
  • Deprecate validateITFCheckSum, validateCode39CheckSum, returnCodabarStartEnd
  • BitHacks: fix random QRCode content on pre-Haswell Windows machines
  • DataMatrix: improve detection of near 45° rotated symbols
  • cmake: add /utf-8 to MSVC compile flags
  • Barcode: tune operator==() to not split up overly tall linear symbols
  • Several ITFReader improvements
  • QRDecoder: return some content even in the presence of a checksum error
  • DataBar: improve detection rate by incorporating edge-2-edge pattern
  • PDF417: prevent wrong position info with right side collapsing to (0,0)
  • Python: make sure macOS and 64bit Linux packes on pypi.org support multi-symbol DataMatrix detection (c++20 support)

New Contributors

Sponsors

Thanks a lot for all 'old' and 'new' sponsors, listed here in alphabetical order:

Full Changelog: v2.2.1...v2.3.0

Contributors

gormster, gitlost, and 19 other contributors
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Fix c++ ABI breakage of 2.2.0

11 Dec 00:04
@axxel axxel
v2.2.1
99a83b3
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Fix c++ ABI breakage of 2.2.0

I accidentally broke c++ ABI compatibility between 2.1.0 and 2.2.0. This is fixed here. This release is only of relevance for package maintainers caring about ABI stability of MINOR version changes according to semantic versioning. None of the wrappers are effected by this change and hence will not be released as 2.2.1.

DISCLAMER: Unfortunately, it turned out that the above mentioned fix for the c++ ABI can break your build if you have some kind of globally enabled pre-compiled-header setup, like apparently in libreoffice (see #685). In that case, either disable pre-compiled-headers or use 2.2.0.

Full Changelog: v2.2.0...v2.2.1

EDIT: added test_samples.tar.gz containing the test/samples/ subfolder. See this discussion.

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v2.2.0

08 Dec 19:49
@axxel axxel
v2.2.0
d328682
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v2.2.0

WARNING: I accidentally broke c++ ABI compatibility between 2.1.0 and 2.2.0. This is fixed here. There will likely be a 2.2.1 patch release. If you are packaging this software for distribution, you might want to skip packaging this version or make sure the above patch is applied in your build. For all the wrapper code, this has no impact whatsoever. Please join the discussion if you have comments regarding the situation.

Major Changes

This release is mostly about the Python, Android and iOS wrappers. The latter 2 have changed considerably to have an API that is more in line with each other and with the core c++ library. The changes will most likely break existing app code but set a proper foundation for the future.

  • Python:

  • Android:

    • Android wrapper: Modernize build files by @okarmazin in #619
    • Fix permissions on Android R+ by @markusfisch in #656
    • Android wrapper improvements by @markusfisch in #659
    • android: add consumerProguardFiles by @markusfisch in #660
    • android: Fix build with NDK 26 by @michaelweghorn in #674
    • Build with C++20 (improved DataMatrix detection) by default
    • Don't close() the ImageProxy inside read() anymore, need to do that outside now (this breaks existing code)
    • Change package name from com.zxingcpp to simply zxingcpp (breaking change)
    • publish library on mavenCentral for lowest possible barrier of entry

  • iOS/macOS:

    • iOS Wrapper improvements by @benjohnde in #630
    • iOS wrapper: Add functionality of encoding binary data into Barcodes by @alexmanzer in #635
    • Rename ZXingCppWrapper to ZXingCpp by @alexmanzer in #638
    • iOS: Enable CocoaPods by providing a podspec by @benjohnde in #637
    • Build with C++20 (improved DataMatrix detection) by default
    • ios: specify EC level/margin for generation by @markusfisch in #644
    • ios: expose all native result items in wrapper by @markusfisch in #649
    • ios: clean up ZXIDecodeHints by @markusfisch in #652
    • ios: use a default error text instead of crashing by @markusfisch in #661
    • ios: improve exception handling by @markusfisch in #664
    • ios: rename ZXIDecodeHints to ZXIReaderOptions

  • General:

    • Rename DecodeHints to ReaderOptions. The old name is still available for backward API compatibility but deprecated. Since the C-API and the Qt wrapper code are not officially part of the library, they changed without backward compatibility.
    • WASM: bytes in ReadResult by @Sec-ant in #588
    • DataMatrix: use charset for encoding by @markusfisch in #628
    • QRCode: Support QR Code Model1 by @sayzzy-nt in #633
    • rMQR Code: Support Rectangular Micro QR Code by @gitlost in #681

Minor Changes and Fixes

  • Fix QT 6 QML Crash & Enable QML Shape by @LeonnardoVerol in #597
  • Python: Fix wrapper build on MSVC not having __cplusplus for BitHacks by @EchterAgo in #613
  • Correctly handle supported image formats on Android APIs < 23 by @okarmazin in #622
  • Add DecodeHints.setMaxNumberOfSymbols() to C API by @siiky in #665
  • aztec: on decoding check for padding bits after B/S by @gitlost in #671

New Contributors

Full Changelog: v2.1.0...v2.2.0

Contributors

dainnilsson, gitlost, and 13 other contributors
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v2.1.0

05 Jul 16:38
@axxel axxel
v2.1.0
1bb03a8
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v2.1.0

Major Changes

  • Considerable performance improvements in linear symbol detection (up to 2x speedup in select use cases of ReadBarcodes)
  • QRCode: major improvement in detection of high version symbols (see e.g. here)
  • DMDetector: reduce runtime overhead of c++-20 builds by around 50%
  • Refactor Python wrapper so the sdist includes the core library code by @stumpylog in #530
  • wasm wrapper: add function to reader to scan multiple barcode by @Trim in #567
  • Added a C wrapper by @siiky in #553. If you find this useful, please have a look at #583.
  • new BUILD_EXPERIMENTAL_API cmake option (currently enabling DecodeHints::tryDenoise feature, see 9bcfdb3)
    [EDIT: just noticed that this does not work, see 8202a4e]

Minor Changes

  • fix crash when the source image is less than 3 pixels width/height by @liulex in #476
  • Android: Enable the saving of images to the phone gallery. by @Sergio- in #483
  • WASM wrapper: add symbologyIdentifier into result by @AlexXiong-dev in #576
  • CI: build universal2 python module for macos
  • Python: compile module with c++20 (position independend DataMatrix support) by default
  • Python: improve error reporting
  • DMDetector: fix potential dead-lock
  • DMDecoder: support 144x144 symbols in legacy and compliant variants
  • UPC/EAN: reduce right quiet zone requirement -> fix non-conformant input
  • EAN/UPCA: include AddOn in position calculation
  • MSVC build option cleanup
  • WASM: simplify and cleanup demo_*.html files
  • Updated live web demos to latest code (and setup semi-automatic gh-page creation for the future)
  • a bunch of minor bug fixes

Sponsors

Thanks a lot to @Sergio- and @sdcubber for their sponsorship in the past and also to the current sponsors

New Contributors

Full Changelog: v2.0.0...v2.1.0

Contributors

Trim, stumpylog, and 10 other contributors
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v2.0.0

05 Jan 22:33
@axxel axxel
v2.0.0
bdb857e
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v2.0.0

The most visible change from the client perspective is the removal of all formerly deprecated API, (almost) completing the 'cleanup'. Since I was way too slow with this release to implement a 'cleanish' SemVer release as discussed in #333, I decided to release this 2.0 with SONAME 3. A 3.0 release might bring the major version number back in sync with the SONAME.

Major Changes

  • switch to UTF8 based API and remove deprecated UTF16 one (Result::text())
  • remove all API deprecated in 1.4
  • Adding a wrapper for iOS by @parallaxe in #337
  • new Aztec detector implementation to support arbitrary rotation and position of the symbol
  • support multi-symbol detection in Aztec detector
  • replace all Qt originated ECI/CharacterSet conversion code with a new implementation provided by @gitlost (libzueci)
  • require c++17 to build library and client code
  • new DecodeHints::textMode() and Result::text(TextMode) API to specify how bytes are rendered into text.
  • HRI (human readable interpretation) is the new default for the TextMode (has been for most cases before, but not all)
  • new DecodeHits::tryInvert() feature to test for inverted symbols (white on black background)

Minor Changes

  • deprecate TextUtfEncoding helpers, not required anymore with UTF8 APIs for both reader and writer
  • support for multi-symbol and arbitrary position detection of DataMatrix symbols when library is built with c++20
  • Include version number of QR Code and DataMatrix in Result by @markusfisch in #396
  • reduce size of Result struct by about a third
  • cleanup all license related files (see removal of the Qt code above)
  • update links and comments to refer to new github.com/zxing-cpp/zxing-cpp home
  • improved Code128 decoder for over/underexposed images
  • support python 3.11
  • a whole bunch of fixes and minor improvements all over the place

New Contributors

Thanks also to all the 'old' ones! :)

Full Changelog: v1.4.0...v2.0.0

Contributors

zander, Trim, and 6 other contributors
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Pre-2.0 API cleanup time

07 Jul 09:08
@axxel axxel
v1.4.0
f89db69
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Pre-2.0 API cleanup time

Note: this is an intermediary release on the way to 2.0. This code is (supposed to be) API compatible (via the ReadBarcode.h interface) with v1.3.0 but contains quite a few additional deprecations. It still has SO number 1, which is as wrong as it was for release v1.3.0 and it is not ABI compatible with 1.3 either. 2.0 will be basically 1.4 but with all deprecated API removed and the final fix for #333.

Main changes

  • Reader support for Micro QRCode by @corbers
  • prepared switch from std::wstring based utf16 to std::string based utf8 results, use new ZX_USE_UTF8 macro to transition to the upcoming 2.0 API
  • much improved 'binary' data support via new Result::bytes() API, see #334 for a detailed background discussion.
  • new Result::contentType() API returning information about the type of content (like text vs. binary, etc.)
  • better standards conformance with respect to ECI handling, see Results::bytesECI()
  • support for proper ECI handling across structured append symbols (see MergeStructuredAppendResults())
  • new Result::error() API with improved error handling, see also DecodeHints::returnErrors()
  • removed all internal header files from the installed set, so only the ReadBarcode.h based APIs are supported from here on out
  • removed all sample images from the 'source' distribution zip/tar balls (much reduced size)
  • python read_barcode returns None if no symbol was found (might break existing code if not checked for None before)

Minor changes

  • lots of little bug fixes
  • smaller per process runtime memory (thanks to @vkrause)
  • clang-13 and gcc-13 compilation fixes
  • ported Qt example code to Qt6
  • experimental multi-symbol detection support for DataMatrix when compiled with c++-20
  • fix error in multi-symbol detection of linear codes (sometimes reported 1 symbol as 2)
  • new -bytes and -errors options in ZXingReader
  • support tryRotate for PDF417 symbols

Full Changelog: v1.3.0...v1.4.0

Contributors

vkrause and corbers
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Multi-Barcode + Multi-Resolution

03 May 07:54
@axxel axxel
v1.3.0
50f53ef
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Multi-Barcode + Multi-Resolution

DISCLAIMER: a note for downstream package maintainers: as discussed in #333 this release should have been named 2.0 not 1.3. Please don't package this release until the issue is resolved.

The major new features:

  • Multi-barcode reading with the new std::vector<Result> ReadBardcodes(...) function. Does not work for Aztec, DataMatrix and Maxicode, yet.
  • Multi-resolution scanning that can automatically downscale the input to substantially increase the detection rate on high resolution scans, see DecodeHints::tryDownscale, currently only enabled in the ReadBardcodes function
  • New Result::symbologyIdentifier property (thanks to @gitlost)
  • Updated and improved android wrapper (thanks to @markusfisch)

Worth mentioning:

  • Most deprecated APIs from last release were removed (will likely break your build if you still have deprecation warnings with 1.2.0)
  • New Result::lineCount and DecodeHints::minLineCount properties to improve reliability of 1D code reading
  • New Result::isMirrored property (works for QRCode, PDF417, DataMatrix)
  • Improved FNC1 handling and deprecation of DecodeHints::assumeGS1
  • Lots of small fixes all over the place
  • Drop in-tree copy of stb image library
  • New OpenCV example code
  • QRCode reading improvements
  • Python 3.10 support

This includes around 200 commits including those of 11 new contributors.

Full Changelog: v1.2.0...v1.3.0

Contributors

gitlost and markusfisch
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There is so much stuff...

28 May 12:07
@axxel axxel
v1.2.0
2dad8be
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There is so much stuff...

There have been nearly 800 commits that touched about 10k lines of code since the last release.

Here are the highlights/major changes:

  • switch to C++-17 (client code can still be compiled with a C++-11 compiler)
  • switch to the reimplemented 1D detectors (about 5x faster than old ones in false-positive use case)
  • deprecate the use of ResultMetadata, see ZXingReader.cpp as an example
  • completely new Android wrapper library with CameraX support, integrated build system and demo app
  • a lot faster and more capable isPure detection for all 2D codes
  • completely new QRCode reader (faster, better support for rotated symbols)
  • new BarcodeFormat names (old ones still available but deprecated)
  • new ZXingQtCamReader demo app based on QtMultimedia and QtQuick
  • reduced false positive rate for UPC/EAN barcodes + improved Add-On symbol handling
  • 20% faster ReedSolomon error correcting
  • PDF417 is faster and supports flipped symbols
  • DataMatrix: added DMRE support
  • much improved python wrapper incl. PyPI module for easy pip installation (thanks to antoinehumbert)
  • proper ECI handling in all 2D barcodes (thanks to gitlost)
  • added Structured Append support for DataMatrix, Aztec and MaxiCode (thanks to gitlost)

Note: The next release will drop support for a number of deprecated APIs. Please update your code and fix all deprecation warnings now.

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Final Final C++14 based release collecting a number of fixes

12 Sep 15:15
@axxel axxel
v1.1.1
29ec2dd
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Final Final C++14 based release collecting a number of fixes

Since the switch to C++17 got delayed and a bunch of fixes and small improvements have piled up since the "Final C++14 based" release, here is the final-final pre C++17 release. This includes WinRT build improvements, Android and python wrapper fixes and pkgconfig fixes.

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