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pub.dev · #2819 most downloaded on pub.dev
OpenCV4 bindings for Flutter, using dart:ffi.
Last release 1 months ago
16 Aug 2026
Release timing varies
gaps range from 8 days to 6 months
Nearly every release is documented
notes for 53 of 54 stable releases
17 versions withdrawn
withdrawn after publishing
3 years old
89 releases · first in 2024
API change: cv.Mat.fromScalar(Scalar s, MatType type, {int rows = 1, int cols = 1}) -> (int rows, int cols, MatType type, Scalar s)
Replace Finalizer with ffi.NativeFinalizer
One column per month.
Refactor nearly all APIs, this version is NOT compitable with previous versions!.
add img_hash from opencv contrib, contributed by @mdeleau
img_hash from opencv contrib, contributed by @mdeleau- add cv.invertAffineTransform - remove net.forwardAsync - add ios version info
cv.invertAffineTransform:tada: IOS supported now, tested on simulator, try it!
this is a minor version and no functional code changes
add support for macOS with Apple Silicon
- add support for macos x64
add stitching module, for now, cv::Stitcher implemented
stitching module, for now, cv::Stitcher implementedadd more friendly error message, use cv.registerErrorCallback(); before potential error occurring.
dnn modulecv.registerErrorCallback(); before potential error occurring.Mat.toList() from (cols, rows) to (rows, cols)- add asyncarray - add calib3d module
asyncarraycalib3d module:rocket: add support for photo module
photo modulePlease use 0.3.0 or later, tested for android, linux, and windows
:tada: 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 prebuil
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-v8aFinished: test for aruco, features2d, video module
adjust prebuilt binaries distribution, use dart run opencv_dart:setup to download prebuilt binaries
dart run opencv_dart:setup to download prebuilt binaries- more test for imgproc module
- Finished: test for core module - Minor changes for Mat
Implemented: imgproc, imgcodecs, core, video, need to be tested!
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Implemented: imgproc, imgcodecs, core, video, need to be tested!
Nothing published for this version
Nothing published for this version
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