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!));
  });
}