Class LineFormat

src/pptx/dml/line.py:10–100

Provides access to line properties such as color, style, and width. A LineFormat object is typically accessed via the ``.line`` property of a shape such as |Shape| or |Picture|.

class LineFormat(object):
    """Provides access to line properties such as color, style, and width.

    A LineFormat object is typically accessed via the ``.line`` property of
    a shape such as |Shape| or |Picture|.
    """

    def __init__(self, parent):
        super(LineFormat, self).__init__()
        self._parent = parent

    @lazyproperty
    def color(self):
        """
        The |ColorFormat| instance that provides access to the color settings
        for this line. Essentially a shortcut for ``line.fill.fore_color``.
        As a side-effect, accessing this property causes the line fill type
        to be set to ``MSO_FILL.SOLID``. If this sounds risky for your use
        case, use ``line.fill.type`` to non-destructively discover the
        existing fill type.
        """
        if self.fill.type != MSO_FILL.SOLID:
            self.fill.solid()
        return self.fill.fore_color

    @property
    def dash_style(self):
        """Return value indicating line style.

        Returns a member of :ref:`MsoLineDashStyle` indicating line style, or
        |None| if no explicit value has been set. When no explicit value has
        been set, the line dash style is inherited from the style hierarchy.

        Assigning |None| removes any existing explicitly-defined dash style.
        """
        ln = self._ln
        if ln is None:
            return None
        return ln.prstDash_val

    @dash_style.setter
    def dash_style(self, dash_style):
        if dash_style is None:
            ln = self._ln
            if ln is None:
                return
            ln._remove_prstDash()
            ln._remove_custDash()
            return
        ln = self._get_or_add_ln()
        ln.prstDash_val = dash_style

    @lazyproperty
    def fill(self):
        """
        |FillFormat| instance for this line, providing access to fill
        properties such as foreground color.
        """