longcw / opencv_js_with_wechat_qrcode

Build

1. Install EMSDK following https://docs.opencv.org/3.4/d4/da1/tutorial_js_setup.html
2. Clone the modified opencv and opencv_contrib

   cd /path/to/work_dir
   git clone -b feat/wechat_qrcode_js https://github.com/longcw/opencv.git
   git clone -b feat/wechat_qrcode_js https://github.com/longcw/opencv_contrib.git

3. Build

   cd /path/to/work_dir
   emcmake python ./opencv/platforms/js/build_js.py build_js --build_test --cmake_option="-DOPENCV_EXTRA_MODULES_PATH=/path/to/work_dir/opencv_contrib/modules"

4. Download models from https://github.com/WeChatCV/opencv_3rdparty/

Example

This repo includes a built opencv.js and a test script in example.

Try it online: https://longcw.github.io/opencv_js_example/test.html, or locally:

cd example
python -m http.server 8000
# Run the example in http://0.0.0.0:8000/test.html