Fixed image and video preview crash (#47)

WinQuickLook/Handlers/ImageQuickLookHandler.cs

@@ -75,21 +75,41 @@ private static (BitmapSource, Size) GetImage(string fileName)
 
  private static (Size, Size) GetScaledImageSize(string fileName, int maxSize)
  {
- using var tag = TagLib.File.Create(fileName);
+ if (!TryGetImageSize(fileName, out var originalSize))
+ {
+ using var stream = File.OpenRead(fileName);
 
- var width = tag.Properties.PhotoWidth;
- var height = tag.Properties.PhotoHeight;
+ var decoder = BitmapDecoder.Create(stream, BitmapCreateOptions.DelayCreation, BitmapCacheOption.None);
 
- var originalSize = new Size(width, height);
+ originalSize = new Size(decoder.Frames[0].PixelWidth, decoder.Frames[0].PixelHeight);
+ }
 
- if (width > maxSize || height > maxSize)
+ if (originalSize.Width > maxSize || originalSize.Height > maxSize)
  {
- var scaleFactor = (double)maxSize / Math.Max(width, height);
+ var scaleFactor = maxSize / Math.Max(originalSize.Width, originalSize.Height);
 
- return (new Size(width * scaleFactor, height * scaleFactor), originalSize);
+ return (new Size(originalSize.Width * scaleFactor, originalSize.Height * scaleFactor), originalSize);
  }
 
  return (originalSize, originalSize);
  }
+
+ private static bool TryGetImageSize(string fileName, out Size size)
+ {
+ try
+ {
+ using var tag = TagLib.File.Create(fileName);
+
+ size = new Size(tag.Properties.PhotoWidth, tag.Properties.PhotoHeight);
+
+ return true;
+ }
+ catch
+ {
+ size = default;
+
+ return false;
+ }
+ }
  }
 }

WinQuickLook/Handlers/VideoQuickLookHandler.cs

@@ -20,26 +20,41 @@ public bool CanOpen(string fileName)
 
  public async Task<(FrameworkElement, Size, string)> GetViewerAsync(string fileName)
  {
- using var file = TagLib.File.Create(fileName);
-
- var requestSize = new Size
+ if (!TryGetVideoSize(fileName, out var requestSize))
  {
- Width = file.Properties.VideoWidth,
- Height = file.Properties.VideoHeight
- };
+ requestSize = new Size();
+ }
 
  var videoViewer = new VideoFileViewer();
 
  videoViewer.BeginInit();
  videoViewer.Source = new Uri(fileName, UriKind.Absolute);
  videoViewer.EndInit();
 
- return (videoViewer, requestSize, FormatMetadata(file, fileName));
+ return (videoViewer, requestSize, FormatMetadata(requestSize, fileName));
  }
 
- private static string FormatMetadata(TagLib.File file, string fileName)
+ private static string FormatMetadata(Size size, string fileName)
  {
- return $"{file.Properties.VideoWidth}x{file.Properties.VideoHeight} - {WinExplorerHelper.GetFileSize(fileName)}";
+ return $"{size.Width}x{size.Height} - {WinExplorerHelper.GetFileSize(fileName)}";
+ }
+
+ private static bool TryGetVideoSize(string fileName, out Size size)
+ {
+ try
+ {
+ using var tag = TagLib.File.Create(fileName);
+
+ size = new Size(tag.Properties.VideoWidth, tag.Properties.VideoHeight);
+
+ return true;
+ }
+ catch
+ {
+ size = default;
+
+ return false;
+ }
  }
 
  private static readonly IList<string> _supportFormats = new[]

WinQuickLook/QuickLookWindow.xaml

@@ -5,7 +5,7 @@
  xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
  mc:Ignorable="d"
  x:Name="window" d:DesignWidth="600" d:DesignHeight="400" MinWidth="400" MinHeight="400" Background="Transparent" WindowStyle="None"
- ShowActivated="False" ShowInTaskbar="False" SnapsToDevicePixels="True" UseLayoutRounding="True" FocusVisualStyle="{x:Null}"
+ ShowActivated="False" ShowInTaskbar="False" SnapsToDevicePixels="True" UseLayoutRounding="True" FocusVisualStyle="{x:Null}" WindowState="Normal"
  Unloaded="Window_Unloaded" SizeChanged="Window_SizeChanged">
  <Window.Resources>
  <ResourceDictionary Source="Styles.xaml" />

WinQuickLook/WinQuickLook.csproj

@@ -19,8 +19,8 @@
 
  <ItemGroup>
  <PackageReference Include="AvalonEdit" Version="6.0.1" />
- <PackageReference Include="Microsoft.AppCenter.Analytics" Version="3.4.0" />
- <PackageReference Include="Microsoft.AppCenter.Crashes" Version="3.4.0" />
+ <PackageReference Include="Microsoft.AppCenter.Analytics" Version="3.4.1" />
+ <PackageReference Include="Microsoft.AppCenter.Crashes" Version="3.4.1" />
  <PackageReference Include="Microsoft.Windows.SDK.Contracts" Version="10.0.18362.2005" />
  <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
  <PackageReference Include="PdfiumViewer" Version="2.13.0">