initDelaunay method
Creates a new empty Delaunay subdivision.
https://docs.opencv.org/4.x/df/dbf/classcv_1_1Subdiv2D.html#ae4a3d65e798c46fd6ce64370f24b0287
Implementation
void initDelaunay(Rect rect) {
cvRun(() => cimgproc.cv_Subdiv2D_initDelaunay(ref, rect.ref, ffi.nullptr));
}