# Source code for openpyxl.chart.picture

    # Copyright (c) 2010-2024 openpyxl

    from openpyxl.descriptors.serialisable import Serialisable

    from openpyxl.descriptors.nested import (
        NestedBool,
        NestedFloat,
        NestedMinMax,
        NestedNoneSet,
    )

    class PictureOptions(Serialisable):

        tagname = "pictureOptions"

        applyToFront = NestedBool(allow_none=True, nested=True)
        applyToSides = NestedBool(allow_none=True, nested=True)
        applyToEnd = NestedBool(allow_none=True, nested=True)
        pictureFormat = NestedNoneSet(values=(['stretch', 'stack', 'stackScale']), nested=True)
        pictureStackUnit = NestedFloat(allow_none=True, nested=True)

        __elements__ = ('applyToFront', 'applyToSides', 'applyToEnd', 'pictureFormat', 'pictureStackUnit')

        def __init__(self,
                     applyToFront=None,
                     applyToSides=None,
                     applyToEnd=None,
                     pictureFormat=None,
                     pictureStackUnit=None,
                    ):
            self.applyToFront = applyToFront
            self.applyToSides = applyToSides
            self.applyToEnd = applyToEnd
            self.pictureFormat = pictureFormat
            self.pictureStackUnit = pictureStackUnit