Class _BaseDrawingOperation

src/pptx/shapes/freeform.py:250–283

Base class for freeform drawing operations. A drawing operation has at least one location (x, y) in local coordinates.

class _BaseDrawingOperation(object):
    """Base class for freeform drawing operations.

    A drawing operation has at least one location (x, y) in local coordinates.
    """

    def __init__(self, freeform_builder: FreeformBuilder, x: Length, y: Length):
        super(_BaseDrawingOperation, self).__init__()
        self._freeform_builder = freeform_builder
        self._x = x
        self._y = y

    def apply_operation_to(self, path: CT_Path2D) -> CT_DrawingOperation:
        """Add the XML element(s) implementing this operation to `path`.

        Must be implemented by each subclass.
        """
        raise NotImplementedError("must be implemented by each subclass")

    @property
    def x(self) -> Length:
        """Return the horizontal (x) target location of this operation.

        The returned value is an integer in local coordinates.
        """
        return self._x

    @property
    def y(self) -> Length:
        """Return the vertical (y) target location of this operation.

        The returned value is an integer in local coordinates.
        """
        return self._y


class _Close(object):