code: def _get_struct_shape(self):
          
          obj = _make_object("Shape")
          bc = BitConsumer(self._src)
          obj.NumFillBits = n_fill_bits = bc.u_get(4)
          obj.NumLineBits = n_line_bits = bc.u_get(4)
          obj.ShapeRecords = self._get_shaperecords(
              n_fill_bits, n_line_bits, 0)
          return obj
docs: Get the values for the SHAPE record.