split function
Split creates an array of single channel images from a multi-channel image Created images should be closed manualy to avoid memory leaks.
For further details, please see: https://docs.opencv.org/master/d2/de8/group__core__array.html#ga0547c7fed86152d7e9d0096029c8518a
Implementation
VecMat split(InputArray m) {
final vec = calloc<cvg.VecMat>();
cvRun(() => ccore.cv_split(m.ref, vec, ffi.nullptr));
return VecMat.fromPointer(vec);
}