opencv-node | Use OpenCV with node.js | Runtime Evironment library
kandi X-RAY | opencv-node Summary
kandi X-RAY | opencv-node Summary
Use OpenCV with node.js
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QUESTION
I am learning C++ and playing around with OpenCV
and node-addon-api
. I wanted to create my own wrapper for cv::Vec
. docs
ANSWER
Answered 2021-Dec-02 at 02:55Since you've mentioned you're learning C++, I've tried to give a little extra explanation to things other than just dumping an answer and assuming you know what I'm talking about. Any questions or clarifications let me know.
My question is how do I properly overload the constructor and define the wrappedClass type?
You do not overload the constructor. The arguments passed to the constructor are not known until run time, so they cannot be used to fill in the template arguments required which must be set at compile time in the cv::Vec class.
From the doc for cv::Vec we can see that cv::Vec itself is a templated class.
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Install opencv-node
Download OpenCV from http://sourceforge.net/projects/opencvlibrary/files/latest/download. Extract it to a folder, eg C:\OpenCV. Open a Visual Studio command prompt and type. (tested with Visual Studio 2010 and node 0.8.8).
Download OpenCV from http://sourceforge.net/projects/opencvlibrary/files/latest/download
Extract it to a folder, eg C:\OpenCV
Open a Visual Studio command prompt and type set OPENCV_ROOT=C:/OpenCV npm install -g opencv-node
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