getEdgeListAsync method

Future<List<Vec4f>> getEdgeListAsync()

Returns a list of all edges.

https://docs.opencv.org/4.x/df/dbf/classcv_1_1Subdiv2D.html#ab527c11e9938eed53cf9c790afa9416d

Implementation

Future<List<Vec4f>> getEdgeListAsync() async {
  final pv = calloc<ffi.Pointer<cvg.Vec4f>>();
  final psize = calloc<ffi.Size>();
  return cvRunAsync0((callback) => cimgproc.cv_Subdiv2D_getEdgeList(ref, pv, psize, callback), (c) {
    final rval = List.generate(psize.value, (i) {
      final v = pv.value[i];
      return Vec4f(v.val1, v.val2, v.val3, v.val4);
    });
    calloc.free(psize);
    calloc.free(pv);
    return c.complete(rval);
  });
}