code: def from_array(array):
          
          if array is None or not array:
              return None
          # end if
          assert_type_or_raise(array, dict, parameter_name="array")
  
          data = {}
          data['point'] = u(array.get('point'))
          data['x_shift'] = float(array.get('x_shift'))
          data['y_shift'] = float(array.get('y_shift'))
          data['scale'] = float(array.get('scale'))
          data['_raw'] = array
          return MaskPosition(**data)
docs: Deserialize a new MaskPosition from a given dictionary.
  
          :return: new MaskPosition instance.
          :rtype: MaskPosition