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"""|ChartFormat| and related objects.
|ChartFormat| acts as proxy for the `spPr` element, which provides visual shape properties such as
line and fill for chart elements.
"""
from __future__ import annotations
from pptx.dml.fill import FillFormat
from pptx.dml.line import LineFormat
from pptx.shared import ElementProxy
from pptx.util import lazyproperty
class ChartFormat(ElementProxy):
"""
The |ChartFormat| object provides access to visual shape properties for
chart elements like |Axis|, |Series|, and |MajorGridlines|. It has two
properties, :attr:`fill` and :attr:`line`, which return a |FillFormat|
and |LineFormat| object respectively. The |ChartFormat| object is
provided by the :attr:`format` property on the target axis, series, etc.
"""
@lazyproperty
def fill(self):
"""
|FillFormat| instance for this object, providing access to fill
properties such as fill color.
"""
spPr = self._element.get_or_add_spPr()
return FillFormat.from_fill_parent(spPr)
@lazyproperty
def line(self):
"""
The |LineFormat| object providing access to the visual properties of
this object, such as line color and line style.
"""
spPr = self._element.get_or_add_spPr()
return LineFormat(spPr)
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