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Replace LuminosityBrush with SolidColorBrush #1912

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ema
2026-04-15 01:01:04 +08:00
parent 6fb33c2633
commit 75854ac9e7
1 changed files with 4 additions and 74 deletions
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QuickLook/ViewerWindow.xaml.cs
+4 -74
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@@ -385,11 +385,10 @@ public partial class ViewerWindow : Window
private static Brush GetAcrylic10TintLuminosityOpacityBackground(bool isDarkTheme)
{
var acrylicTintLuminosityOpacity = 0.44d;
return new LuminosityBrush
{
TintLuminosityOpacity = acrylicTintLuminosityOpacity,
IsDarkTheme = isDarkTheme,
}.ToBrush();
var t = acrylicTintLuminosityOpacity * (isDarkTheme ? 0.55d : 1.25d);
var brush = new SolidColorBrush(Color.FromArgb((byte)(t * 255d * 0.6d), 255, 255, 255));
brush.Freeze();
return brush;
}
private static SystembackdropType GetBackdropOption()
@@ -450,72 +449,3 @@ public partial class ViewerWindow : Window
hide.Begin();
}
}
public class LuminosityBrush : Freezable
{
public static readonly DependencyProperty TintLuminosityOpacityProperty =
DependencyProperty.Register(
nameof(TintLuminosityOpacity),
typeof(double),
typeof(LuminosityBrush),
new FrameworkPropertyMetadata(0.5d, FrameworkPropertyMetadataOptions.AffectsRender));
public double TintLuminosityOpacity
{
get => (double)GetValue(TintLuminosityOpacityProperty);
set => SetValue(TintLuminosityOpacityProperty, value);
}
public static readonly DependencyProperty IsDarkThemeProperty =
DependencyProperty.Register(
nameof(IsDarkTheme),
typeof(bool),
typeof(LuminosityBrush),
new FrameworkPropertyMetadata(false, FrameworkPropertyMetadataOptions.AffectsRender));
public bool IsDarkTheme
{
get => (bool)GetValue(IsDarkThemeProperty);
set => SetValue(IsDarkThemeProperty, value);
}
protected override Freezable CreateInstanceCore()
{
return new LuminosityBrush();
}
private Brush _cached;
public Brush ToBrush()
{
if (_cached != null)
return _cached;
double t = TintLuminosityOpacity
* (IsDarkTheme ? 0.55d : 1.25d);
var group = new DrawingGroup();
// Brightening Layer (White)
group.Children.Add(new GeometryDrawing(
new SolidColorBrush(Color.FromArgb((byte)(t * 255d * 0.6d), 255, 255, 255)),
null,
new RectangleGeometry(new Rect(0d, 0d, 1d, 1d))));
// Dark Layer (Black)
group.Children.Add(new GeometryDrawing(
new SolidColorBrush(Color.FromArgb((byte)(t * 255d * 0.1d), 0, 0, 0)),
null,
new RectangleGeometry(new Rect(0d, 0d, 1d, 1d))));
var brush = new DrawingBrush(group)
{
Stretch = Stretch.Fill,
};
brush.Freeze();
_cached = brush;
return brush;
}
}