findChessboardCornersAsync function

Future<(bool, VecPoint2f)> findChessboardCornersAsync(
  1. InputArray image,
  2. (int, int) patternSize, {
  3. VecPoint2f? corners,
  4. int flags = CALIB_CB_ADAPTIVE_THRESH + CALIB_CB_NORMALIZE_IMAGE,
})

Implementation

Future<(bool success, VecPoint2f corners)> findChessboardCornersAsync(
  InputArray image,
  (int, int) patternSize, {
  VecPoint2f? corners,
  int flags = CALIB_CB_ADAPTIVE_THRESH + CALIB_CB_NORMALIZE_IMAGE,
}) async {
  corners ??= VecPoint2f();
  final r = calloc<ffi.Bool>();
  return cvRunAsync0(
    (callback) =>
        ccalib3d.cv_findChessboardCorners(image.ref, patternSize.cvd.ref, corners!.ptr, flags, r, callback),
    (c) {
      final rval = r.value;
      calloc.free(r);
      return c.complete((rval, corners!));
    },
  );
}