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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/// IntensityToSlotBlurConverter 类实现 IValueConverter 接口,用于将给定的强度值转换为模糊效果的数值。
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/// 此转换器接收一个 double 类型的强度值,并将其转换为对应的模糊效果大小。模糊效果的范围是从 4 到 12,
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/// 其中强度值越大,产生的模糊效果越强。
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/// </summary>
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[ValueConversion(typeof(double), typeof(double))]
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internal sealed class IntensityToEmbossBlurConverter : IValueConverter
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{
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/// <summary>
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/// Instance 是 IntensityToSlotBlurConverter 类的单例实例,用于在整个应用程序中共享同一转换器对象。
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/// 通过使用此单例,可以避免在不同地方创建多个相同功能的转换器实例,从而提高性能和减少资源消耗。
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/// </summary>
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public static readonly IntensityToEmbossBlurConverter 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 ?? 1);
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//数值最大的时候,模糊达到预设最大值 4~12
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//return 4 + intensity * 8;
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return 4 + intensity * 8;
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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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