getOptimalDFTSizeAsync function

Future<int> getOptimalDFTSizeAsync(
  1. int vecsize
)

GetOptimalDFTSize returns the optimal Discrete Fourier Transform (DFT) size for a given vector size.

For further details, please see: https://docs.opencv.org/master/d2/de8/group__core__array.html#ga6577a2e59968936ae02eb2edde5de299

Implementation

Future<int> getOptimalDFTSizeAsync(int vecsize) async {
  final p = calloc<ffi.Int>();
  return cvRunAsync0(
    (callback) => ccore.cv_getOptimalDFTSize(vecsize, p, callback),
    (c) {
      final rval = p.value;
      calloc.free(p);
      return c.complete(rval);
    },
  );
}