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# Source code for pyqtgraph.parametertree.parameterTypes.color

    from ... import functions as fn
    from ...widgets.ColorButton import ColorButton
    from .basetypes import SimpleParameter, WidgetParameterItem

    class ColorParameterItem(WidgetParameterItem):
        """Registered parameter type which displays a :class:`ColorButton <pyqtgraph.ColorButton>` """
        def makeWidget(self):
            w = ColorButton()
            w.sigChanged = w.sigColorChanged
            w.sigChanging = w.sigColorChanging
            w.value = w.color
            w.setValue = w.setColor
            self.hideWidget = False
            w.setFlat(True)
            return w

    class ColorParameter(SimpleParameter):
        itemClass = ColorParameterItem

        def _interpretValue(self, v):
            return fn.mkColor(v)

        def value(self):
            value = super().value()
            if value is None:
                return None
            return fn.mkColor(value)

        def saveState(self, filter=None):
            state = super().saveState(filter)
            state['value'] = self.value().getRgb()
            return state