功能更新

Melskin/Converters/Internal/IntensityToSlotShadowMarginConverter.cs

@@ -0,0 +1,28 @@
+using System.Globalization;
+using System.Windows.Data;
+
+namespace Melskin.Converters.Internal;
+
+/// <summary>
+/// IntensityToSlotShadowMarginConverter 类用于将阴影强度（double类型）转换为阴影边距（Thickness类型）。此转换器特别适用于需要根据阴影强度动态调整UI元素阴影边距的场景。
+/// 该类实现了IValueConverter接口，提供了从双精度浮点数到厚度值的单向转换逻辑。转换过程中，基于输入的强度值计算出一个偏移量，并以此构建新的 Thickness 实例来表示阴影边距。
+/// 注意：此转换器不支持反向转换操作。
+/// </summary>
+[ValueConversion(typeof(double), typeof(Thickness))]
+internal class IntensityToSlotShadowMarginConverter : IValueConverter
+{
+    public static readonly IntensityToSlotShadowMarginConverter Instance = new();
+
+    public object Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        var intensity = (double)(value ?? 0);
+        //此处与中央Margin匹配
+        var offset = 4 + intensity * 4;
+        return new Thickness(0, 0, offset, offset);
+    }
+
+    public object ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        return Binding.DoNothing;
+    }
+}