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Releases: zxing-cpp/zxing-cpp

v3.0.2 (Important API fix)

17 Feb 23:07
@axxel axxel
v3.0.2
8dd1cf5

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v3.0.2 (Important API fix) Latest
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Patch release

This is a patch release, fixing three issues:

  1. Workaround for missing <format> C++20 header in GCC 11 and GCC 12
    This is required to make Homebrew and older distros happy.

  2. Zint Header Detection Fix
    Fixed an issue that caused a <zint.h> not found error when building the library with -DZXING_USE_BUNDLED_ZINT=OFF and libzint was installed in a non-standard install prefix (e.g., /opt/homebrew).

  3. Typo Fix in ReaderOptions API
    Fixed a typo in the newly added ReaderOptions::validateOptionalCheckSum, now correctly named validateOptionalChecksum. If anyone is angry at me for breaking their brand new code, let me know and I’ll consider adding a compatibility symbol with the "one week old" name.

Bonus: Calling ZXingReader --version now returns a string better following standard practice: ZXingReader version 3.0.2.

For an overview of the many changes since the 2.3 release, see the v3.0.0 Release notes.
Package maintainers, please review the v3.0.1 Release notes regarding proper library configuration.

Full Changelog: v3.0.1...v3.0.2

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v3.0.1 (for package maintainers)

12 Feb 00:17
@axxel axxel
v3.0.1
15a0cfd

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v3.0.1 (for package maintainers)

Patch release

This is a patch release, fixing a critical error (compile regression, see #1051) for people relying on the "old" (MultiFormatWriter) API. All wrapper code is unaffected and will not be released as 3.0.1.

Note 1: The old writer API is disabled by default, to enable it, you need to configure zxing-cpp with -DZXING_WRITERS=BOTH (or OLD). It is generally advised for package maintainers to use the BOTH config option during the 3.0 release cycle to allow client applications (like e.g. LibreOffice) to work until they switch to the new API.

Note 2: The new API is backed by libzint. The default config will statically link a bundled 2.16 version of libzint. If your distribution has a libzint v2.16 available, you might want to configure zxing-cpp to link against that: -DZXING_USE_BUNDLED_ZINT=OFF

Note 3: As with the 3.0.0 release, the automatically created "Source Code" zip and tar.gz files are broken and can't be fixed (GitHub limitation regarding git submodules). If you need this, please download the attached zxing-cpp-3.0.1.zip or zxing-cpp-3.0.1.tar.gz file.

For an overview of the many changes from the 2.3 release, see the v3.0.0 Release notes.

Full Changelog: v3.0.0...v3.0.1

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v3.0.0

10 Feb 12:28
@axxel axxel
v3.0.0
ea3f5dd

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v3.0.0

Important:

  1. The automatically created "Source Code" zip and tar.gz files are broken and can't be fixed (GitHub limitation regarding git submodules). If you need this, please download the attached zxing-cpp-3.0.0.zip or zxing-cpp-3.0.0.tar.gz file.
  2. There has been an issue detected after the release (#1051), which affects users who need access to the OLD ZXING_WRITERS (MultiFormatWriter.h). This will be fixed in a 3.0.1 patch release.

Major changes:

  • New creator/writer API (moved out of experimental state) with lots of improvements and fine-tuning
  • New BarcodeFormat and BarcodeFormats implementation, with minor changes in API
    • New meta barcode formats like All, AllReadable, AllRetail, etc.
    • New human readable names from ToString(format), e.g. EAN-13 instead of EAN13
    • Added concept of Symbology to Barcode, e.g. QRCode == QRCodeModel2, MicroQRCode, RMQRCode
    • The C-API suffered a hard break to accommodate the bit-field to array switch of the BarcodeFormats
  • CreatorOptions now has a JSON (key-value pair) pair based options parameter
  • C++20 is now a build requirement for the library, the client side API is still c++17 compatible
  • Cleaned up number of included headers, new single source ZXingCpp.h header
  • MultiFormatWriter: deprecate use of old writer API
  • New Barcode::extra() API that returns symbology specific extra information as JSON string, e.g. "EcLevel"
  • Add cmake flags to remove individual barcode formats from the build (smaller lib for wasm or embedded applications)
  • publish native ARM python wrapper binaries
  • New header only Qt6 API (ZXingQt.h) with support for multiple barcodes and new writer API
  • New ZXingQtCamReader demo based on QWidgets with proper macOS support

Minor improvements and bug fixes

  • QRCode: improve detection rate for circular finder patterns
  • DataBar: fix inconsistency / plain spec violation (missing "(01)" prefix)
  • EAN/UPC: return 13-digit numbers for UPC-A/E as required by standard
  • Improved quiet zone handling for ITF
  • QRCode: fix decoding of Model 1 symbols with more than 1 data block
  • Content: modify bytesECI() to behave like a standard reader w.r.t. ECIs
  • WriteBarcode: automatic GS1PARENS_MODE
  • python: add ImageView class and ImageFormat enum as custom memoryview
  • python: add experimental support to read_barcodes from QtGui.QImage
  • ZXingReader: add experimental -denoise command line option
  • Code39: improve detection for 4x difference between wide and narrow and lower quiet-zone requirements
  • python: remove 3.9 and add 3.14 packages
  • Content: improve auto-detection of charaset/eci info
  • make installed binaries relocatable on macOS and Linux
  • dotnet: implement IDisposable for the Barcode and Options classes and add XML documentation
  • ReaderOptions: new validateOptionalCheckSum property replacing the Code39 and ITF specific ones
  • ReaderOptions: deprecated the tryCode39ExtendedMode property (use new BarcodeFormat::Code39Ext)
  • Expose structure append metadata via C API by @magethle in #950
  • Add experimental tryDenoise to C API by @magethle in #952
  • AZDecoder: minor fixes by @gitlost in #917
  • Use 16 KB page size alignment on 64-bit Androids by @markusfisch in #1001
  • Remove ZXing path from include path by @fnadeau in #924
  • try denoise for android wrapper by @toktarov84 in #1035
  • Improvements to Qt/QML interface by @m7913d in #945

Plus a whole bunch of minor fixes and improvements by lots of people.

New Contributors

Sponsors

Thanks to all 'new' and 'old' contributors, named here in random order:

Full Changelog: v2.3.0...v3.0.0

Contributors

dantti, mgorny, and 23 other contributors
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v3.0.0-rc1

05 Feb 17:01
@axxel axxel
v3.0.0-rc1
d43b96b

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v3.0.0-rc1 Pre-release
Pre-release

Important:

The automatically created "Source Code" zip and tar.gz files are broken and can't be fixed (GitHub limitation regarding git submodules). If you need this, please download the attached zxing-cpp-3.0.0-rc1.zip or zxing-cpp-3.0.0-rc1.tar.gz file.

Major changes:

  • New creator/writer API (moved out of experimental state) with lots of improvements and fine-tuning
  • New BarcodeFormat and BarcodeFormats implementation, with minor changes in API
    • New meta barcode formats like All, AllReadable, AllRetail, etc.
    • New human readable names from ToString(format), e.g. EAN-13 instead of EAN13
    • Added concept of Symbology to Barcode, e.g. QRCode == QRCodeModel2, MicroQRCode, RMQRCode
    • The C-API suffered a hard break to accommodate the bit-field to array switch of the BarcodeFormats
  • CreatorOptions now has a JSON (key-value pair) pair based options parameter
  • C++20 is now a build requirement for the library, the client side API is still c++17 compatible
  • Cleaned up number of included headers, new single source ZXingCpp.h header
  • MultiFormatWriter: deprecate use of old writer API
  • New Barcode::extra() API that returns symbology specific extra information as JSON string
  • Add cmake flags to remove individual barcode formats from the build (smaller lib for wasm or embedded applications)
  • publish native ARM python wrapper binaries
  • New header only Qt wrapper (ZXingQt.h) with cleaned up API and support for multiple barcodes and new writer API
  • New ZXingQtCamReader demo based on QWidgets with proper macOS support

Minor improvements and bug fixes

  • QRCode: improve detection rate for circular finder patterns
  • DataBar: fix inconsistency / plain spec violation (missing "(01)" prefix)
  • EAN/UPC: return 13-digit numbers for UPC-A/E as required by standard
  • Improved quiet zone handling for ITF
  • QRCode: fix decoding of Model 1 symbols with more than 1 data block
  • Content: modify bytesECI() to behave like a standard reader w.r.t. ECIs
  • WriteBarcode: automatic GS1PARENS_MODE
  • python: add ImageView class and ImageFormat enum as custom memoryview
  • python: add experimental support to read_barcodes from QtGui.QImage
  • ZXingReader: add experimental -denoise command line option
  • Code39: improve detection for 4x difference between wide and narrow and lower quiet-zone requirements
  • python: remove 3.9 and add 3.14 packages
  • Content: improve auto-detection of charaset/eci info
  • make installed binaries relocatable on macOS and Linux
  • dotnet: implement IDisposable for the Barcode and Options classes and add XML documentation
  • ReaderOptions: new validateOptionalCheckSum property replacing the Code39 and ITF specific ones
  • ReaderOptions: deprecated the tryCode39ExtendedMode property (use new BarcodeFormat::Code39Ext)
  • Expose structure append metadata via C API by @magethle in #950
  • Add experimental tryDenoise to C API by @magethle in #952
  • AZDecoder: minor fixes by @gitlost in #917
  • Use 16 KB page size alignment on 64-bit Androids by @markusfisch in #1001
  • Remove ZXing path from include path by @fnadeau in #924
  • try denoise for android wrapper by @toktarov84 in #1035
  • Improvements to Qt/QML interface by @m7913d in #945

Plus a whole bunch of minor fixes and improvements by lots of people.

New Contributors

Sponsors

Thanks to all 'new' and 'old' contributors, named here in random order:

Full Changelog: v2.3.0...v3.0.0-rc1

Contributors

dantti, mgorny, and 23 other contributors
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v2.3.0

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

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v2.3.0

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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