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Published 2 hours ago β€’ verified publisherrainyl.dev
SDKDartFlutter
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OpenCV4 bindings for Dart language and Flutter, using dart:ffi. The most complete OpenCV bindings for Dart!

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2.1.0+1 #

  • fix: C++ src not included

2.1.0 #

  • NOTE: Breaking change.
  • The minimum required dart sdk version is 3.10 that supports hooks (Native-Assets) stable.
  • add stackBlur function in imgproc module.
  • Breaking change: default included models: calib3d,features2d,imgcodecs,imgproc,objdetect,photo,stitching, default excluded modules:contrib,freetype,highgui,video,videoio,dnn.

2.1.0-dev.3 #

  • bump dependencies
  • add UMat
  • [features2d] add more functions/constructions
  • add custom loggers, support user-defined logger callback
  • add cv.freetype module

2.1.0-dev.2 #

  • add Mat.reinterpret
  • add fisheye.solvePnPRansac, support mask for cv.threshold
  • add StereoBM, StereoSGBM from calib3d module

2.1.0-dev.1 #

  • sync main branch, now support all methods in dartcv v1.1.6
  • πŸŽ‰ this version supports windows, linux, macos, android and ios, for platforms except ios, ffmpeg is also supported.

2.1.0-dev.0 #

2.0.0-dev.12 #

  • Fix: memory leak caused by cvstatus

2.0.0-dev.11 #

  • Fix: free smart pointer

2.0.0-dev.10 #

  • API change: FaceRecognizerSF.feature(Mat alignedImg) -> FaceRecognizerSF.feature(Mat alignedImg, {bool clone = false})
  • Deprecated: FaceRecognizerSF.newRecognizer FaceRecognizerSF.DIS_TYPR_FR_COSINE FaceRecognizerSF.DIS_TYPE_FR_NORM_L2

2.0.0-dev.9 #

  • Add: FaceDetectorYN, FaceDetectorSF
  • Add: Mat.dataPtr to allow get raw data pointer
  • update lint rules and format
  • Upgrade to OpenCV 4.10.0
  • VecUChar.toU8List() return a copy of data rather than a view
  • Better Auto setup, support universal ios framework (x86_64 and arm64)
  • Optimize Vectors
  • Fix: free cExt before exception in cv.imencode
  • Add data getter for Vec<int,uchar,chat,float,double>, cache type of Mat

2.0.0-dev.8 #

  • Auto setup by @abdelaziz-mahdy, from v1.0.5, libs will be downloaded automatically during build, i.e., no need to run setup commands
  • Improve performance and optimize memory consumption
  • Add dispose() methods to allow manual free native resources
  • Better exception for cv.imencode
  • Add more API for objdetect module

2.0.0-dev.7 #

  • Fix: Stitcher.composePanorama
  • Fix: pyrDown/Up border type, BORDER_CONSTANT -> BORDER_DEFAULT
  • New API: cv.Subdiv2D
  • New API: cv.LUT
  • improve performance of Mat.at() and Mat.set()
  • Add: Mat.aU8(), Mat.setU8(), etc.

1.1.8 #

  • bump dependencies
  • add UMat
  • [features2d] add more functions/constructions
  • add custom loggers, support user-defined logger callback
  • add cv.freetype module

1.1.7 #

  • add Mat.reinterpret
  • add fisheye.solvePnPRansac, support mask for cv.threshold
  • add StereoBM, StereoSGBM from calib3d module

1.1.6 #

  • add FlannIndexParams, FlannSearchParams, FlannKDTreeIndexParams
  • add FlannBasedMatcher.create
  • bump opencv to 4.12.0

1.1.5 #

  • added approxPolyN.
  • add more high-precision functions (arcLength2f, etc.) to imgproc module, https://github.com/rainyl/opencv_dart/pull/364
  • breaking change: optional arg hierarchy of drawContours now change from Mat to VecVec4i type.

1.1.4 #

  • remove deprecated MatType.toInt(), should use MatType.value instead
  • add MatType.elemSize MatType.elemSize1
  • remove deprecated (double x, double y, double z).asPoint3f (double x, double y).asPoint2f (int x, int y).asPoint VecPoint.toVecVecPoint
  • add bin/gen_cmake_vars.dart for generating optional module vars for CMake

1.1.3 #

  • add VideoCapture.grabAsync
  • add Mat.fromBuffer to allow creating Mat from self-managed buffer
  • add copyData parameter to Mat.fromVec
  • remove Mat.fromPtr, merge it to Mat.fromMat
  • add Mat.atU8, Mat.setU8, etc.
  • remove deprecated Mat.copyToWithMask, List<Mat>.asVecMat()

1.1.2 #

  • add more functions in calib3d

1.1.1 #

  • make VecVecChar unmodifible
  • more tests

1.1.0 #

  • update to OpenCV 4.11.0
  • change vector wrappers to std::vector
  • fix reference of estimateAffinePartial2D
  • support VideoWriter.get() and VideoWriter.set()
  • use native implementation of 8U/8S -> F16 for cv.LUT()

1.0.0+1 #

  • Replace Finalizer with ffi.NativeFinalizer
  • update Mat.toList(), Mat.toList3d<T, P>(), remove Mat.toList4D()
  • update Mat.data, now return a view of data pointer, same as v0.6.*
  • fix memory leak caused by Finalizer, now GC will also be triggered correctly in pure dart

1.0.0 #

  • Refactor nearly all APIs, this version is NOT compitable with previous versions!.
  • better exceptions, more concise API

0.6.7 #

  • add img_hash from opencv contrib, contributed by @mdeleau
  • since this version, old APIs will not get any updates from maintainer, please update to v1.0.0 if possible.

0.6.6 #

  • add cv.invertAffineTransform
  • remove net.forwardAsync
  • add ios version info

0.6.5 #

  • πŸŽ‰ IOS supported now, tested on simulator, try it!
  • fix ios dynamic library loading

0.6.4 #

  • this is a minor version and no functional code changes
  • speed up download and extract
  • change build system to conan
  • remove submodules to clean up structure

0.6.3 #

  • add support for macOS with Apple Silicon

0.6.2 #

  • add support for macos x64

0.6.1 #

  • add stitching module, for now, cv::Stitcher implemented

0.6.0 #

  • add dnn module
  • add more friendly error message, use cv.registerErrorCallback(); before potential error occurring.
  • change return shape of Mat.toList() from (cols, rows) to (rows, cols)

0.5.0 #

  • add asyncarray
  • add calib3d module

0.4.0 #

  • πŸš€ add support for photo module

0.3.0 #

  • Please use 0.3.0 or later, tested for android, linux, and windows

0.2.0 #

  • πŸŽ‰ add android arm64-v8a, armeabi-v7a, x86, x86_64 prebuild binaries, e.g., dart run opencv_dart:setup -p android -a arm64-v8a to download prebuilt binaries for android arm64-v8a

0.1.0 #

  • Finished: test for aruco, features2d, video module
  • πŸŽ‰ this package is STABLE now! πŸš€ check API reference for more details
  • more examples and docs are on the way

0.0.4 #

  • adjust prebuilt binaries distribution, use dart run opencv_dart:setup to download prebuilt binaries
  • Finished: test for imgproc module
  • Finished: test for Linux

0.0.3 #

  • more test for imgproc module

0.0.3-dev.0 #

  • Finished: test for core module
  • Minor changes for Mat

0.0.2 #

  • Implemented: imgproc, imgcodecs, core, video, need to be tested!
  • add example

0.0.1 #

  • Initial Release
  • Implemented: imgproc, imgcodecs, core, video, need to be tested!

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OpenCV4 bindings for Dart language and Flutter, using dart:ffi. The most complete OpenCV bindings for Dart!

Repository (GitHub)
View/report issues
Contributing

Topics

#opencv #image #ffi #flutter

Documentation

API reference

License

Apache-2.0 (license)

Dependencies

code_assets, data_assets, ffi, hooks, logging, native_toolchain_cmake, path, yaml

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