dark theme for ImageViewer

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml

@@ -11,14 +11,14 @@
     <Grid>
         <Rectangle Visibility="{Binding BackgroundVisibility, ElementName=imagePanel}">
             <Rectangle.Fill>
-                <ImageBrush x:Name="backgroundBrush" ImageSource="Resources/background.png" AlignmentY="Top"
+                <ImageBrush x:Name="backgroundBrush" ImageSource="Resources/background-b.png" AlignmentY="Top"
                             Viewport="0,0,32,32"
                             ViewportUnits="Absolute" Stretch="UniformToFill" TileMode="Tile" />
             </Rectangle.Fill>
         </Rectangle>
         <ScrollViewer x:Name="viewPanel" BorderThickness="0" HorizontalScrollBarVisibility="Auto"
                       VerticalScrollBarVisibility="Auto" Focusable="False" IsManipulationEnabled="True">
-            <animatedImage:AnimatedImage x:Name="viewPanelImage" Stretch="None"
+            <animatedImage:AnimatedImage x:Name="viewPanelImage" Stretch="None" Margin="0,32,0,0"
                                          RenderOptions.BitmapScalingMode="{Binding RenderMode, ElementName=imagePanel}"
                                          AnimationUri="{Binding ImageUriSource, ElementName=imagePanel}" />
         </ScrollViewer>

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Plugin.cs

@@ -58,15 +58,18 @@ namespace QuickLook.Plugin.ImageViewer
             _imageSize = ImageFileHelper.GetImageSize(path) ?? Size.Empty;
 
             if (!_imageSize.IsEmpty)
-                context.SetPreferredSizeFit(_imageSize, 0.8);
+                context.SetPreferredSizeFit(_imageSize, 0.6);
             else
-                context.PreferredSize = new Size(1024, 768);
+                context.PreferredSize = new Size(800, 600);
+
+            context.PreferredSize = new Size(context.PreferredSize.Width, context.PreferredSize.Height + 32);
 
             Directory.SetCurrentDirectory(App.AppPath);
 
-            context.TitlebarBlurVisibility = false;
-            context.TitlebarOverlap = false;
+            context.TitlebarBlurVisibility = true;
+            context.TitlebarOverlap = true;
             context.TitlebarAutoHide = false;
+            context.UseDarkTheme = true;
         }
 
         public void View(string path, ContextObject context)

QuickLook.Plugin/QuickLook.Plugin.ImageViewer/QuickLook.Plugin.ImageViewer.csproj

@@ -112,6 +112,7 @@
     <Content Include="dcraw.exe">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </Content>
+    <Resource Include="Resources\background-b.png" />
     <Resource Include="Resources\background.png" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />