功能更新
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using System.Globalization;
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using System.Windows.Data;
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namespace Melskin.Converters.Internal;
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/// <summary>
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/// 将光强度值转换为灯光边距的转换器。该转换器实现了 IValueConverter 接口,用于将双精度浮点数表示的光强度值转换成 Thickness 类型的对象,代表了灯光效果在用户界面中的边距。
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/// </summary>
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/// <remarks>
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/// 该转换器主要用于 WPF 应用程序中,通过绑定到 UI 元素上,实现基于光强度动态调整边距的效果。它不支持从 Thickness 转换回光强度的逆向操作。
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/// </remarks>
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[ValueConversion(typeof(double), typeof(Thickness))]
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internal class IntensityToSlotLightMarginConverter : IValueConverter
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{
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public static readonly IntensityToSlotLightMarginConverter Instance = new();
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public object Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
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{
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var intensity = (double)(value ?? 0);
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//此处与中央Margin匹配
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var offset = 4 + intensity * 4;
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return new Thickness(offset, offset, 0, 0);
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}
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public object ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
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{
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return Binding.DoNothing;
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}
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}
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