36 lines
1.1 KiB
C#
36 lines
1.1 KiB
C#
//referenced from https://stackoverflow.com/a/5650367/9639378
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using System;
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using System.Globalization;
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using System.Windows;
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using System.Windows.Data;
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using System.Windows.Media;
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namespace HandyControl.Tools.Converter
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{
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public class BorderClipConverter : IMultiValueConverter
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{
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public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
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{
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if (values.Length == 3 && values[0] is double width && values[1] is double height && values[2] is CornerRadius radius)
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{
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if (width < double.Epsilon || height < double.Epsilon)
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{
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return Geometry.Empty;
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}
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var clip = new RectangleGeometry(new Rect(0, 0, width, height), radius.TopLeft, radius.TopLeft);
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clip.Freeze();
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return clip;
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}
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return DependencyProperty.UnsetValue;
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}
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public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
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{
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throw new NotSupportedException();
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}
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}
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} |