Burak Kaan Köse
82 lines
2.7 KiB
C#
82 lines
2.7 KiB
C#
using System;
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using System.Globalization;
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using Microsoft.UI;
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using Microsoft.UI.Xaml;
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using Microsoft.UI.Xaml.Data;
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using Microsoft.UI.Xaml.Media;
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using Windows.UI;
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namespace Wino.Mail.WinUI.Converters;
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public partial class HexToColorBrushConverter : IValueConverter
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{
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public object Convert(object value, Type targetType, object parameter, string language)
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{
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if (value is string hexColor && !string.IsNullOrEmpty(hexColor))
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{
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try
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{
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// Remove # if present
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hexColor = hexColor.Replace("#", "");
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// Parse hex to color
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byte r = byte.Parse(hexColor.Substring(0, 2), System.Globalization.NumberStyles.HexNumber);
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byte g = byte.Parse(hexColor.Substring(2, 2), System.Globalization.NumberStyles.HexNumber);
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byte b = byte.Parse(hexColor.Substring(4, 2), System.Globalization.NumberStyles.HexNumber);
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return new SolidColorBrush(Color.FromArgb(255, r, g, b));
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}
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catch
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{
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return GetDefaultBrush();
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}
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}
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return GetDefaultBrush();
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}
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public object ConvertBack(object value, Type targetType, object parameter, string language)
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{
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if (value is string hexColor)
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{
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try
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{
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// Remove # if present
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hexColor = hexColor.Replace("#", string.Empty);
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// Parse ARGB values
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byte a = 255; // Default to fully opaque
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byte r = byte.Parse(hexColor.Substring(0, 2), NumberStyles.HexNumber);
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byte g = byte.Parse(hexColor.Substring(2, 2), NumberStyles.HexNumber);
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byte b = byte.Parse(hexColor.Substring(4, 2), NumberStyles.HexNumber);
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// If 8-digit hex (with alpha), parse alpha value
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if (hexColor.Length == 8)
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{
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a = byte.Parse(hexColor.Substring(6, 2), NumberStyles.HexNumber);
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}
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return Color.FromArgb(a, r, g, b);
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}
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catch
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{
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return DependencyProperty.UnsetValue;
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}
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}
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return DependencyProperty.UnsetValue;
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}
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private SolidColorBrush GetDefaultBrush()
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{
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// Get current theme's foreground brush.
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// Bug: This should be ThemeResource to react to theme changes, but it's not.
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// So if user changes the dark/light theme, this won't update.
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if (WinoApplication.Current.UnderlyingThemeService.IsUnderlyingThemeDark())
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return new SolidColorBrush(Colors.White);
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else
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return new SolidColorBrush(Colors.Black);
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}
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}
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