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Avoid audio cover null exception in xaml

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Can slightly increase the opening speed of audio file
This commit is contained in:
ema
2025-05-24 05:41:38 +08:00
parent eff9d795f0
commit c2acdaa182
2 changed files with 21 additions and 12 deletions
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19
QuickLook.Plugin/QuickLook.Plugin.VideoViewer/Converters.cs
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@@ -19,6 +19,7 @@ using System;
using System.Globalization; using System.Globalization;
using System.Windows; using System.Windows;
using System.Windows.Data; using System.Windows.Data;
using System.Windows.Media.Imaging;
namespace QuickLook.Plugin.VideoViewer; namespace QuickLook.Plugin.VideoViewer;
@@ -48,7 +49,7 @@ public sealed class TimeTickToShortStringConverter : DependencyObject, IValueCon
public sealed class VolumeToIconConverter : DependencyObject, IValueConverter public sealed class VolumeToIconConverter : DependencyObject, IValueConverter
{ {
private static readonly string[] Volumes = { "\xE74F", "\xE993", "\xE994", "\xE995" }; private static readonly string[] Volumes = ["\xE74F", "\xE993", "\xE994", "\xE995"];
public object Convert(object value, Type targetType, object parameter, CultureInfo culture) public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{ {
@@ -69,3 +70,19 @@ public sealed class VolumeToIconConverter : DependencyObject, IValueConverter
throw new NotImplementedException(); throw new NotImplementedException();
} }
} }
public sealed class CoverArtConverter : IValueConverter
{
private static readonly BitmapImage emptyImage =
new(new Uri("pack://application:,,,/QuickLook.Plugin.VideoViewer;component/Resources/empty.png", UriKind.Absolute));
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
return value ?? emptyImage;
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}

14
QuickLook.Plugin/QuickLook.Plugin.VideoViewer/ViewerPanel.xaml
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@@ -14,6 +14,7 @@
<BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter" /> <BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter" />
<local:TimeTickToShortStringConverter x:Key="TimeTickToShortStringConverter" /> <local:TimeTickToShortStringConverter x:Key="TimeTickToShortStringConverter" />
<local:VolumeToIconConverter x:Key="VolumeToIconConverter" /> <local:VolumeToIconConverter x:Key="VolumeToIconConverter" />
<local:CoverArtConverter x:Key="CoverArtConverter" />
<ResourceDictionary.MergedDictionaries> <ResourceDictionary.MergedDictionaries>
<ResourceDictionary Source="Styles.xaml" /> <ResourceDictionary Source="Styles.xaml" />
</ResourceDictionary.MergedDictionaries> </ResourceDictionary.MergedDictionaries>
@@ -54,23 +55,14 @@
Opacity="0.6" /> Opacity="0.6" />
<Image x:Name="imageCoverArt" <Image x:Name="imageCoverArt"
Grid.Column="0" Grid.Column="0"
Margin="20,40,20,40"> Margin="20,40,20,40"
Source="{Binding CoverArt, ElementName=viewerPanel, Converter={StaticResource CoverArtConverter}}">
<Image.Effect> <Image.Effect>
<DropShadowEffect BlurRadius="6" <DropShadowEffect BlurRadius="6"
Direction="0" Direction="0"
ShadowDepth="0" ShadowDepth="0"
Color="#FF898989" /> Color="#FF898989" />
</Image.Effect> </Image.Effect>
<Image.Style>
<Style TargetType="Image">
<Setter Property="Source" Value="{Binding CoverArt, ElementName=viewerPanel}" />
<Style.Triggers>
<DataTrigger Binding="{Binding CoverArt, ElementName=viewerPanel, FallbackValue=0, TargetNullValue=0}" Value="0">
<Setter Property="Source" Value="Resources/empty.png" />
</DataTrigger>
</Style.Triggers>
</Style>
</Image.Style>
</Image> </Image>
<Grid Grid.Column="1"> <Grid Grid.Column="1">
<Grid.Effect> <Grid.Effect>