opencv_dart 1.3.2

OpenCV4 bindings for Flutter, using dart:ffi. This plugin include `videoio` module, if you don't need it, please use `opencv_core` instead.

opencv_dart

OpenCV for Flutter, includes all modules. if videoio and highgui are not reqired, use opencv_core

Important

From v1.3.0, dynamic libraries will be built locally, invoked by flutter during the build. Note: OpenCV SDK (~100M) will be downloaded via FetchContent of cmake, you can set DARTCV_CACHE_DIR environment variable to cache it and avoid downloading it again.

v1.0.4 ~ v1.0.6, libs will be downloaded from Releases automatically.

1. If you want to setup manually, please set OPENCV_DART_DISABLE_AUTO_BUILD environment variable, e.g., export OPENCV_DART_DISABLE_AUTO_BUILD=1(for Unix-like) or $env:OPENCV_DART_DISABLE_AUTO_BUILD=1(for Windows)

For v1.0.4 and below, make sure run the following setup commands before running your app:

1. flutter pub add opencv_dart or dart pub add opencv_dart
2. dart run opencv_dart:setup <platform> --arch <arch>

platform	arch
android	x86_64 arm64-v8a armeabi-v7a
linux	x64
windows	x64
macos	x64 arm64
ios	os64 (universal framework)

• Q&A: #212 or open new issues.
• If you are using flutter with Native Assets feature supported, consider using v2.x version, see more in native-assets branch Won't update until Native Assets being stable.

Supported platforms

Platform	Supported	Tested	Platforms
Android	✅	✅	x86_64, arm64-v8a, armeabi-v7a
iOS	✅	✅	arm64, x64(Simulator)
Linux	✅	✅	x64, arm64
Windows	✅	✅	x64, arm64
macOS	✅	✅	x64, arm64

Supported modules

Supported modules

Package Size

Examples

see example

More examples refet to awesome-opencv_dart and share yours

Screenshots

see Demos

License

Apache-2.0 License