def METHOD_NAME(self, copy=True):
    """Get the current mask as a 1D array.
    :param bool copy: True (default) to get a copy of the mask.
                      If False, the returned array MUST not be modified.
    :return: The array of the mask with dimension of the scatter data.
             If there is no scatter data, None is returned.
    :rtype: 1D numpy.ndarray of uint8
    """
    return self._maskToolsWidget.METHOD_NAME(copy=copy)