detect method
Detect keypoints in an image using GFTTDetector.
For further details, please see: https://docs.opencv.org/master/d0/d13/classcv_1_1Feature2D.html#aa4e9a7082ec61ebc108806704fbd7887
Implementation
VecKeyPoint detect(Mat src) {
final ret = calloc<cvg.VecKeyPoint>();
cvRun(() => cfeatures2d.cv_GFTTDetector_detect(ref, src.ref, ret, ffi.nullptr));
return VecKeyPoint.fromPointer(ret);
}