SIFT.empty constructor

SIFT.empty()

returns a new SIFT algorithm

For further details, please see: https://docs.opencv.org/master/d5/d3c/classcv_1_1xfeatures2d_1_1SIFT.html

Implementation

factory SIFT.empty() {
  final p = calloc<cvg.SIFT>();
  cvRun(() => cffi.SIFT_Create(p));
  return SIFT._(p);
}