packages/MaterialDesignThemes.2.5.1/src/net45/ShadowAssist.cs

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using System;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Effects;

namespace MaterialDesignThemes.Wpf
{
    public enum ShadowDepth
    {
        Depth0,
        Depth1,
        Depth2,
        Depth3,
        Depth4,
        Depth5
    }

    [Flags]
    public enum ShadowEdges
    {
        None = 0,
        Left = 1,
        Top = 2,
        Right = 4,
        Bottom = 8,
        All = Left | Top | Right | Bottom
    }

    internal class ShadowLocalInfo
    {
        public ShadowLocalInfo(double standardOpacity)
        {
            StandardOpacity = standardOpacity;
        }

        public double StandardOpacity { get; }
    }

    public static class ShadowAssist
    {
        public static readonly DependencyProperty ShadowDepthProperty = DependencyProperty.RegisterAttached(
            "ShadowDepth", typeof (ShadowDepth), typeof (ShadowAssist), new FrameworkPropertyMetadata(default(ShadowDepth), FrameworkPropertyMetadataOptions.AffectsRender));

        public static void SetShadowDepth(DependencyObject element, ShadowDepth value)
        {
            element.SetValue(ShadowDepthProperty, value);
        }

        public static ShadowDepth GetShadowDepth(DependencyObject element)
        {
            return (ShadowDepth) element.GetValue(ShadowDepthProperty);
        }

        private static readonly DependencyPropertyKey LocalInfoPropertyKey = DependencyProperty.RegisterAttachedReadOnly(
            "LocalInfo", typeof (ShadowLocalInfo), typeof (ShadowAssist), new PropertyMetadata(default(ShadowLocalInfo)));

        private static void SetLocalInfo(DependencyObject element, ShadowLocalInfo value)
        {
            element.SetValue(LocalInfoPropertyKey, value);