# getCropMargin method

double getCropMargin()

Gets the relative margin around the face for basic portrait cropping. Hint: Default value is 0.5.

return Relative margin around the face for basic portrait cropping. throws FaceException An error has occurred during Face Library execution.

## Implementation

    double getCropMargin() {
      Pointer<Float> pCropMargin = calloc();
      try {
        var err = faceSDK.id3FacePortraitProcessor_GetCropMargin(_pHandle.value, pCropMargin);
        if (err != FaceError.success.value) {
          throw FaceException(err);
        }
        final vCropMargin = pCropMargin.value;
        return vCropMargin;
      } finally {
        calloc.free(pCropMargin);
      }
    }