code: def copy_clip_rectangle_list(self):
          
          rectangle_list = cairo.cairo_copy_clip_rectangle_list(self._pointer)
          _check_status(rectangle_list.status)
          rectangles = rectangle_list.rectangles
          result = []
          for i in range(rectangle_list.num_rectangles):
              rect = rectangles[i]
              result.append((rect.x, rect.y, rect.width, rect.height))
          cairo.cairo_rectangle_list_destroy(rectangle_list)
          return result
docs: Return the current clip region as a list of rectangles
          in user coordinates.
  
          :return:
              A list of rectangles,
              as ``(x, y, width, height)`` tuples of floats.
          :raises:
              :exc:`CairoError`
              if  the clip region cannot be represented as a list
              of user-space rectangles.