update method

(bool, Rect) update(
  1. Mat img
)

Update the tracker, find the new most likely bounding box for the target. https://docs.opencv.org/4.x/d0/d0a/classcv_1_1Tracker.html#a92d2012f576e6c06eb2e257d110a6529

Implementation

(bool, Rect) update(Mat img) {
  return cvRunArena<(bool, Rect)>((arena) {
    final bBox = calloc<cvideo.Rect>();
    final p = arena<ffi.Bool>();
    cvRun(() => cvideo.TrackerMIL_Update(ref, img.ref, bBox, p));
    return (p.value, Rect.fromPointer(bBox));
  });
}