From f99a78651061153c796d69f227d194b0d4975bda Mon Sep 17 00:00:00 2001
From: ema <mccoy39082@163.com>
Date: Sat, 5 Jul 2025 04:22:25 +0800
Subject: [PATCH] Add built-in ThumbnailViewer plugin

---
 .../Translations.config                       |  2 +-
 .../QuickLook.Plugin.ImageViewer/Helper.cs    | 41 +++++++-
 .../ImagePanel.xaml                           | 21 +++-
 .../ImagePanel.xaml.cs                        | 98 ++++++++++++++++---
 .../QuickLook.Plugin.ImageViewer.csproj       |  6 ++
 .../Helper.cs                                 | 20 ++++
 .../Plugin.cs                                 | 98 +++++++++++++++++++
 .../ProductExtractor.cs                       | 56 +++++++++++
 .../Properties/AssemblyInfo.cs                | 50 ++++++++++
 .../QuickLook.Plugin.ThumbnailViewer.csproj   | 92 +++++++++++++++++
 .../ThumbnailImagePanel.cs                    | 24 +++++
 QuickLook.sln                                 | 12 +++
 QuickLook/QuickLook.csproj                    |  8 +-
 13 files changed, 508 insertions(+), 20 deletions(-)
 create mode 100644 QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Helper.cs
 create mode 100644 QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Plugin.cs
 create mode 100644 QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/ProductExtractor.cs
 create mode 100644 QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Properties/AssemblyInfo.cs
 create mode 100644 QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/QuickLook.Plugin.ThumbnailViewer.csproj
 create mode 100644 QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/ThumbnailImagePanel.cs

diff --git a/QuickLook.Plugin/QuickLook.Plugin.AppViewer/Translations.config b/QuickLook.Plugin/QuickLook.Plugin.AppViewer/Translations.config
index 41b0f37..34563ce 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.AppViewer/Translations.config
+++ b/QuickLook.Plugin/QuickLook.Plugin.AppViewer/Translations.config
@@ -124,7 +124,7 @@
     <DEVICE_TYPES>裝置類型</DEVICE_TYPES>
     <APP_MIN_API_VERSION>最低支援 API 版本</APP_MIN_API_VERSION>
     <APP_TARGET_API_VERSION>目標 API 版本</APP_TARGET_API_VERSION>
-	<COMPILE_SDK_VERSION>編譯 SDK 版本</COMPILE_SDK_VERSION>
+    <COMPILE_SDK_VERSION>編譯 SDK 版本</COMPILE_SDK_VERSION>
     <ARCHITECTURE>架構</ARCHITECTURE>
     <MAINTAINER>維護者</MAINTAINER>
     <DESCRIPTION>描述</DESCRIPTION>
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Helper.cs b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Helper.cs
index 7a631dc..3c6d18e 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Helper.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Helper.cs
@@ -20,13 +20,50 @@ using System;
 using System.IO;
 using System.Reflection;
 using System.Text;
+using System.Windows;
 using System.Windows.Media.Imaging;
 
 namespace QuickLook.Plugin.ImageViewer;
 
-internal class Helper
+internal static class Helper
 {
-    public static void DpiHack(BitmapSource img)
+    public static BitmapSource InvertColors(this BitmapSource source)
+    {
+        WriteableBitmap writableBitmap = new(source);
+        writableBitmap.Lock();
+
+        nint pBackBuffer = writableBitmap.BackBuffer;
+        int stride = writableBitmap.BackBufferStride;
+        int width = writableBitmap.PixelWidth;
+        int height = writableBitmap.PixelHeight;
+        int bytesPerPixel = (writableBitmap.Format.BitsPerPixel + 7) / 8;
+
+        unsafe
+        {
+            byte* pPixels = (byte*)pBackBuffer;
+
+            for (int y = 0; y < height; y++)
+            {
+                Span<byte> row = new(pPixels + y * stride, width * bytesPerPixel);
+
+                for (int x = 0; x < width; x++)
+                {
+                    int index = x * bytesPerPixel;
+
+                    row[index] = (byte)(255 - row[index]);
+                    row[index + 1] = (byte)(255 - row[index + 1]);
+                    row[index + 2] = (byte)(255 - row[index + 2]);
+                }
+            }
+        }
+
+        writableBitmap.AddDirtyRect(new Int32Rect(0, 0, width, height));
+        writableBitmap.Unlock();
+
+        return writableBitmap;
+    }
+
+    public static void DpiHack(this BitmapSource img)
     {
         // a dirty hack... but is the fastest
 
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml
index 4d5194b..b4ee352 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml
+++ b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml
@@ -102,7 +102,24 @@
                     Content="&#xE8C8;"
                     Style="{StaticResource CaptionButtonStyle}"
                     Visibility="{Binding ElementName=imagePanel, Path=CopyIconVisibility}" />
-
+            <Button x:Name="buttonSaveAs"
+                    Width="24"
+                    Height="24"
+                    Margin="0,8,8,0"
+                    HorizontalAlignment="Right"
+                    VerticalAlignment="Top"
+                    Content="&#xE792;"
+                    Style="{StaticResource CaptionButtonStyle}"
+                    Visibility="{Binding ElementName=imagePanel, Path=SaveAsVisibility}" />
+            <Button x:Name="buttonReverseColor"
+                    Width="24"
+                    Height="24"
+                    Margin="0,8,8,0"
+                    HorizontalAlignment="Right"
+                    VerticalAlignment="Top"
+                    Content="&#xE746;"
+                    Style="{StaticResource CaptionButtonStyle}"
+                    Visibility="{Binding ElementName=imagePanel, Path=ReverseColorVisibility}" />
             <Button x:Name="buttonMeta"
                     Width="24"
                     Height="24"
@@ -110,7 +127,6 @@
                     Content="&#xE946;"
                     Style="{StaticResource CaptionButtonStyle}"
                     Visibility="{Binding ElementName=imagePanel, Path=MetaIconVisibility}" />
-
             <Button x:Name="buttonBackgroundColour"
                     Width="24"
                     Height="24"
@@ -119,7 +135,6 @@
                     Style="{StaticResource CaptionButtonStyle}"
                     Visibility="{Binding ElementName=imagePanel, Path=BackgroundVisibility}" />
         </StackPanel>
-
         <TextBlock x:Name="textMeta"
                    Margin="0,40,8,0"
                    Padding="5,5,5,5"
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml.cs b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml.cs
index 684cd87..6196dd1 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml.cs
@@ -15,6 +15,7 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+using Microsoft.Win32;
 using QuickLook.Common.Annotations;
 using QuickLook.Common.ExtensionMethods;
 using QuickLook.Common.Helpers;
@@ -23,6 +24,7 @@ using QuickLook.Plugin.ImageViewer.NativeMethods;
 using System;
 using System.ComponentModel;
 using System.Diagnostics;
+using System.IO;
 using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Threading;
@@ -47,9 +49,7 @@ public partial class ImagePanel : UserControl, INotifyPropertyChanged, IDisposab
     private bool _isZoomFactorFirstSet = true;
     private DateTime _lastZoomTime = DateTime.MinValue;
     private double _maxZoomFactor = 3d;
-    private Visibility _copyIconVisibility = Visibility.Visible;
     private MetaProvider _meta;
-    private Visibility _metaIconVisibility = Visibility.Visible;
     private double _minZoomFactor = 0.1d;
     private BitmapScalingMode _renderMode = BitmapScalingMode.Linear;
     private bool _showZoomLevelInfo = true;
@@ -60,6 +60,11 @@ public partial class ImagePanel : UserControl, INotifyPropertyChanged, IDisposab
     private double _zoomToFitFactor;
     private bool _zoomWithControlKey;
 
+    private Visibility _copyIconVisibility = Visibility.Visible;
+    private Visibility _saveAsVisibility = Visibility.Collapsed;
+    private Visibility _reverseColorVisibility = Visibility.Collapsed;
+    private Visibility _metaIconVisibility = Visibility.Visible;
+
     public ImagePanel()
     {
         InitializeComponent();
@@ -68,6 +73,10 @@ public partial class ImagePanel : UserControl, INotifyPropertyChanged, IDisposab
 
         buttonCopy.Click += OnCopyOnClick;
 
+        buttonSaveAs.Click += OnSaveAsOnClick;
+
+        buttonReverseColor.Click += OnReverseColorOnClick;
+
         buttonMeta.Click += (sender, e) =>
             textMeta.Visibility = textMeta.Visibility == Visibility.Collapsed
                 ? Visibility.Visible
@@ -153,16 +162,6 @@ public partial class ImagePanel : UserControl, INotifyPropertyChanged, IDisposab
         }
     }
 
-    public Visibility MetaIconVisibility
-    {
-        get => _metaIconVisibility;
-        set
-        {
-            _metaIconVisibility = value;
-            OnPropertyChanged();
-        }
-    }
-
     public Visibility CopyIconVisibility
     {
         get => _copyIconVisibility;
@@ -173,6 +172,36 @@ public partial class ImagePanel : UserControl, INotifyPropertyChanged, IDisposab
         }
     }
 
+    public Visibility SaveAsVisibility
+    {
+        get => _saveAsVisibility;
+        set
+        {
+            _saveAsVisibility = value;
+            OnPropertyChanged();
+        }
+    }
+
+    public Visibility ReverseColorVisibility
+    {
+        get => _reverseColorVisibility;
+        set
+        {
+            _reverseColorVisibility = value;
+            OnPropertyChanged();
+        }
+    }
+
+    public Visibility MetaIconVisibility
+    {
+        get => _metaIconVisibility;
+        set
+        {
+            _metaIconVisibility = value;
+            OnPropertyChanged();
+        }
+    }
+
     public Visibility BackgroundVisibility
     {
         get => _backgroundVisibility;
@@ -307,6 +336,51 @@ public partial class ImagePanel : UserControl, INotifyPropertyChanged, IDisposab
         }
     }
 
+    private void OnSaveAsOnClick(object sender, RoutedEventArgs e)
+    {
+        if (_source == null)
+        {
+            return;
+        }
+
+        var dialog = new SaveFileDialog()
+        {
+            Filter = "PNG Image|*.png",
+            DefaultExt = ".png",
+            FileName = Path.GetFileNameWithoutExtension(ContextObject.Title)
+        };
+
+        if (dialog.ShowDialog() == true)
+        {
+            try
+            {
+                if (File.Exists(dialog.FileName))
+                {
+                    File.Delete(dialog.FileName);
+                }
+
+                PngBitmapEncoder encoder = new();
+                encoder.Frames.Add(BitmapFrame.Create(_source));
+                using FileStream stream = new(dialog.FileName, FileMode.Create, FileAccess.Write);
+                encoder.Save(stream);
+            }
+            catch
+            {
+                ///
+            }
+        }
+    }
+
+    private void OnReverseColorOnClick(object sender, RoutedEventArgs e)
+    {
+        if (_source == null)
+        {
+            return;
+        }
+
+        Source = _source.InvertColors();
+    }
+
     private void OnBackgroundColourOnClick(object sender, RoutedEventArgs e)
     {
         Theme = Theme == Themes.Dark ? Themes.Light : Themes.Dark;
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/QuickLook.Plugin.ImageViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/QuickLook.Plugin.ImageViewer.csproj
index e08437f..72afcf3 100644
--- a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/QuickLook.Plugin.ImageViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/QuickLook.Plugin.ImageViewer.csproj
@@ -64,6 +64,12 @@
         <PackageReference Include="Microsoft.Web.WebView2" Version="1.0.3296.44">
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
+        <PackageReference Include="System.Memory" Version="4.6.3">
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
+        <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.2">
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
     </ItemGroup>
 
     <ItemGroup Condition=" '$(DefineConstants)' != '' and $(DefineConstants.Contains('USESVGSKIA')) ">
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Helper.cs b/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Helper.cs
new file mode 100644
index 0000000..6480d8d
--- /dev/null
+++ b/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Helper.cs
@@ -0,0 +1,20 @@
+using System.IO;
+using System.Windows.Media.Imaging;
+
+namespace QuickLook.Plugin.ThumbnailViewer;
+
+internal static class Helper
+{
+    public static BitmapImage ReadAsBitmapImage(this Stream imageData)
+    {
+        imageData.Seek(0U, SeekOrigin.Begin);
+
+        BitmapImage bitmap = new();
+        bitmap.BeginInit();
+        bitmap.CacheOption = BitmapCacheOption.OnLoad;
+        bitmap.StreamSource = imageData;
+        bitmap.EndInit();
+        bitmap.Freeze();
+        return bitmap;
+    }
+}
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Plugin.cs b/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Plugin.cs
new file mode 100644
index 0000000..d71e762
--- /dev/null
+++ b/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Plugin.cs
@@ -0,0 +1,98 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using QuickLook.Common.Plugin;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Media.Imaging;
+
+namespace QuickLook.Plugin.ThumbnailViewer;
+
+public class Plugin : IViewer
+{
+    private static readonly HashSet<string> WellKnownImageExtensions = new(
+    [
+        ".xd", // AdobeXD
+        //".xmind", // XMind
+        //".fig", // Figma
+    ]);
+
+    private ThumbnailImagePanel _ip;
+
+    public int Priority => 0;
+
+    public void Init()
+    {
+    }
+
+    public bool CanHandle(string path)
+    {
+        return !Directory.Exists(path) && WellKnownImageExtensions.Contains(Path.GetExtension(path.ToLower()));
+    }
+
+    public void Prepare(string path, ContextObject context)
+    {
+        try
+        {
+            using Stream imageData = ProductExtractor.ViewImage(path);
+            BitmapImage bitmap = imageData.ReadAsBitmapImage();
+            context.SetPreferredSizeFit(new Size(bitmap.PixelWidth, bitmap.PixelHeight), 0.8d);
+        }
+        catch (Exception e)
+        {
+            _ = e;
+            context.PreferredSize = new Size { Width = 1200, Height = 900 };
+        }
+    }
+
+    public void View(string path, ContextObject context)
+    {
+        _ip = new ThumbnailImagePanel
+        {
+            ContextObject = context,
+        };
+
+        _ = Task.Run(() =>
+        {
+            using Stream imageData = ProductExtractor.ViewImage(path);
+            BitmapImage bitmap = imageData.ReadAsBitmapImage();
+
+            if (_ip is null) return;
+
+            _ip.Dispatcher.Invoke(() =>
+            {
+                _ip.Source = bitmap;
+                _ip.DoZoomToFit();
+            });
+            context.IsBusy = false;
+            context.Title = $"{bitmap.PixelWidth}x{bitmap.PixelHeight}: {Path.GetFileName(path)}";
+        });
+
+        context.ViewerContent = _ip;
+        context.Title = $"{Path.GetFileName(path)}";
+    }
+
+    public void Cleanup()
+    {
+        GC.SuppressFinalize(this);
+
+        _ip = null;
+    }
+}
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/ProductExtractor.cs b/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/ProductExtractor.cs
new file mode 100644
index 0000000..547605c
--- /dev/null
+++ b/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/ProductExtractor.cs
@@ -0,0 +1,56 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using PureSharpCompress.Archives.Zip;
+using PureSharpCompress.Common;
+using PureSharpCompress.Readers;
+using System;
+using System.IO;
+
+namespace QuickLook.Plugin.ThumbnailViewer;
+
+internal static class ProductExtractor
+{
+    public static Stream ViewImage(string path)
+    {
+        if (path.EndsWith(".xd", StringComparison.OrdinalIgnoreCase))
+        {
+            using ZipArchive archive = ZipArchive.Open(path, new());
+            using IReader reader = archive.ExtractAllEntries();
+
+            while (reader.MoveToNextEntry())
+            {
+                if (reader.Entry.Key!.Equals("preview.png", StringComparison.OrdinalIgnoreCase))
+                {
+                    MemoryStream ms = new();
+                    using EntryStream stream = reader.OpenEntryStream();
+                    stream.CopyTo(ms);
+                    return ms;
+                }
+                if (reader.Entry.Key!.Equals("thumbnail.png", StringComparison.OrdinalIgnoreCase))
+                {
+                    MemoryStream ms = new();
+                    using EntryStream stream = reader.OpenEntryStream();
+                    stream.CopyTo(ms);
+                    return ms;
+                }
+            }
+        }
+
+        return null;
+    }
+}
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Properties/AssemblyInfo.cs b/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..392899f
--- /dev/null
+++ b/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/Properties/AssemblyInfo.cs
@@ -0,0 +1,50 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using System.Reflection;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("QuickLook.Plugin.ThumbnailViewer")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("pooi.moe")]
+[assembly: AssemblyProduct("QuickLook.Plugin.ThumbnailViewer")]
+[assembly: AssemblyCopyright("Copyright © 2017-2025 QL-Win Contributors")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("b4f7c88d-c79d-49e7-a1fb-fb69cf72585f")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/QuickLook.Plugin.ThumbnailViewer.csproj b/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/QuickLook.Plugin.ThumbnailViewer.csproj
new file mode 100644
index 0000000..5991935
--- /dev/null
+++ b/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/QuickLook.Plugin.ThumbnailViewer.csproj
@@ -0,0 +1,92 @@
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+
+    <PropertyGroup>
+        <OutputType>Library</OutputType>
+        <TargetFramework>net462</TargetFramework>
+        <RootNamespace>QuickLook.Plugin.ThumbnailViewer</RootNamespace>
+        <AssemblyName>QuickLook.Plugin.ThumbnailViewer</AssemblyName>
+        <FileAlignment>512</FileAlignment>
+        <SignAssembly>false</SignAssembly>
+        <UseWPF>true</UseWPF>
+        <LangVersion>latest</LangVersion>
+        <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+        <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
+        <GenerateTargetFrameworkAttribute>false</GenerateTargetFrameworkAttribute>
+        <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+        <ProjectGuid>{B4F7C88D-C79D-49E7-A1FB-FB69CF72585F}</ProjectGuid>
+    </PropertyGroup>
+
+    <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|AnyCPU'">
+        <DebugSymbols>true</DebugSymbols>
+        <DebugType>full</DebugType>
+        <Optimize>false</Optimize>
+        <OutputPath>..\..\Build\Debug\QuickLook.Plugin\QuickLook.Plugin.ThumbnailViewer\</OutputPath>
+        <DefineConstants>DEBUG;TRACE</DefineConstants>
+        <ErrorReport>prompt</ErrorReport>
+    </PropertyGroup>
+
+    <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|AnyCPU'">
+        <DebugType>pdbonly</DebugType>
+        <Optimize>true</Optimize>
+        <OutputPath>..\..\Build\Release\QuickLook.Plugin\QuickLook.Plugin.ThumbnailViewer\</OutputPath>
+        <DefineConstants>TRACE</DefineConstants>
+        <ErrorReport>prompt</ErrorReport>
+    </PropertyGroup>
+
+    <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
+        <DebugSymbols>true</DebugSymbols>
+        <DebugType>full</DebugType>
+        <OutputPath>..\..\Build\Debug\QuickLook.Plugin\QuickLook.Plugin.ThumbnailViewer\</OutputPath>
+        <DefineConstants>DEBUG;TRACE</DefineConstants>
+        <PlatformTarget>x86</PlatformTarget>
+        <ErrorReport>prompt</ErrorReport>
+    </PropertyGroup>
+
+    <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
+        <OutputPath>..\..\Build\Release\QuickLook.Plugin\QuickLook.Plugin.ThumbnailViewer\</OutputPath>
+        <DefineConstants>TRACE</DefineConstants>
+        <Optimize>true</Optimize>
+        <DebugType>pdbonly</DebugType>
+        <PlatformTarget>x86</PlatformTarget>
+        <ErrorReport>prompt</ErrorReport>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="PureSharpCompress" Version="0.40.0">
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
+        <PackageReference Include="System.Memory" Version="4.6.3">
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
+        <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.2">
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
+    </ItemGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\..\QuickLook.Common\QuickLook.Common.csproj">
+            <Project>{85FDD6BA-871D-46C8-BD64-F6BB0CB5EA95}</Project>
+            <Name>QuickLook.Common</Name>
+            <Private>False</Private>
+        </ProjectReference>
+        <ProjectReference Include="..\QuickLook.Plugin.ImageViewer\QuickLook.Plugin.ImageViewer.csproj">
+            <Project>{FE5A5111-9607-4721-A7BE-422754002ED8}</Project>
+            <Name>QuickLook.Plugin.ImageViewer</Name>
+            <Private>False</Private>
+        </ProjectReference>
+    </ItemGroup>
+
+    <Target Name="ReduceReleasePackaging" AfterTargets="Build" Condition="'$(Configuration)' == 'Debug'">
+        <Delete Files="$(OutputPath)\QuickLook.Plugin.HtmlViewer.dll" Condition="Exists('$(OutputPath)\QuickLook.Plugin.HtmlViewer.dll')" />
+        <Delete Files="$(OutputPath)\QuickLook.Plugin.HtmlViewer.pdb" Condition="Exists('$(OutputPath)\QuickLook.Plugin.HtmlViewer.pdb')" />
+        <Delete Files="$(OutputPath)\lib*.dll" />
+        <RemoveDir Directories="$(OutputPath)\runtimes" Condition="Exists('$(OutputPath)\runtimes')" />
+    </Target>
+
+    <ItemGroup>
+        <Compile Include="..\..\GitVersion.cs">
+            <Link>Properties\GitVersion.cs</Link>
+        </Compile>
+    </ItemGroup>
+
+</Project>
diff --git a/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/ThumbnailImagePanel.cs b/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/ThumbnailImagePanel.cs
new file mode 100644
index 0000000..17854a2
--- /dev/null
+++ b/QuickLook.Plugin/QuickLook.Plugin.ThumbnailViewer/ThumbnailImagePanel.cs
@@ -0,0 +1,24 @@
+// Copyright © 2017-2025 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using QuickLook.Plugin.ImageViewer;
+
+namespace QuickLook.Plugin.ThumbnailViewer;
+
+public class ThumbnailImagePanel : ImagePanel
+{
+}
diff --git a/QuickLook.sln b/QuickLook.sln
index 5a60317..c9972dc 100644
--- a/QuickLook.sln
+++ b/QuickLook.sln
@@ -54,6 +54,7 @@ Project("{930C7802-8A8C-48F9-8165-68863BCCD9DD}") = "QuickLook.Installer", "Quic
 		{EB7D1F10-6E04-4F7E-96A0-4E18359FBD30} = {EB7D1F10-6E04-4F7E-96A0-4E18359FBD30}
 		{88B6FFC8-AD86-41D9-B03D-BD83886CFC18} = {88B6FFC8-AD86-41D9-B03D-BD83886CFC18}
 		{63C00175-0FF3-42C7-8621-2F1959F26064} = {63C00175-0FF3-42C7-8621-2F1959F26064}
+		{B4F7C88D-C79D-49E7-A1FB-FB69CF72585F} = {B4F7C88D-C79D-49E7-A1FB-FB69CF72585F}
 	EndProjectSection
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "QuickLook.Native64", "QuickLook.Native\QuickLook.Native64\QuickLook.Native64.vcxproj", "{794E4DCF-F715-4836-9D30-ABD296586D23}"
@@ -80,6 +81,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuickLook.Plugin.OfficeView
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuickLook.Plugin.ELFViewer", "QuickLook.Plugin\QuickLook.Plugin.ELFViewer\QuickLook.Plugin.ELFViewer.csproj", "{63C00175-0FF3-42C7-8621-2F1959F26064}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "QuickLook.Plugin.ThumbnailViewer", "QuickLook.Plugin\QuickLook.Plugin.ThumbnailViewer\QuickLook.Plugin.ThumbnailViewer.csproj", "{B4F7C88D-C79D-49E7-A1FB-FB69CF72585F}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -256,6 +259,14 @@ Global
 		{63C00175-0FF3-42C7-8621-2F1959F26064}.Release|Any CPU.Build.0 = Release|Any CPU
 		{63C00175-0FF3-42C7-8621-2F1959F26064}.Release|x64.ActiveCfg = Release|Any CPU
 		{63C00175-0FF3-42C7-8621-2F1959F26064}.Release|x64.Build.0 = Release|Any CPU
+		{B4F7C88D-C79D-49E7-A1FB-FB69CF72585F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B4F7C88D-C79D-49E7-A1FB-FB69CF72585F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B4F7C88D-C79D-49E7-A1FB-FB69CF72585F}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{B4F7C88D-C79D-49E7-A1FB-FB69CF72585F}.Debug|x64.Build.0 = Debug|Any CPU
+		{B4F7C88D-C79D-49E7-A1FB-FB69CF72585F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B4F7C88D-C79D-49E7-A1FB-FB69CF72585F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B4F7C88D-C79D-49E7-A1FB-FB69CF72585F}.Release|x64.ActiveCfg = Release|Any CPU
+		{B4F7C88D-C79D-49E7-A1FB-FB69CF72585F}.Release|x64.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -279,6 +290,7 @@ Global
 		{EB7D1F10-6E04-4F7E-96A0-4E18359FBD30} = {06EFDBE0-6408-4B37-BCF2-0CF9EBEA2E93}
 		{88B6FFC8-AD86-41D9-B03D-BD83886CFC18} = {06EFDBE0-6408-4B37-BCF2-0CF9EBEA2E93}
 		{63C00175-0FF3-42C7-8621-2F1959F26064} = {06EFDBE0-6408-4B37-BCF2-0CF9EBEA2E93}
+		{B4F7C88D-C79D-49E7-A1FB-FB69CF72585F} = {06EFDBE0-6408-4B37-BCF2-0CF9EBEA2E93}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {D3761C32-8C5F-498A-892B-3B0882994B62}
diff --git a/QuickLook/QuickLook.csproj b/QuickLook/QuickLook.csproj
index 006df6a..3a3acf0 100644
--- a/QuickLook/QuickLook.csproj
+++ b/QuickLook/QuickLook.csproj
@@ -111,8 +111,12 @@
         <PackageReference Include="UnblockZoneIdentifier" Version="1.0.0">
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
-        <!--<PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.2" />-->
-        <!--<PackageReference Include="System.Memory" Version="4.6.3" />-->
+        <PackageReference Include="System.Memory" Version="4.6.3">
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
+        <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.2">
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
         <!--<PackageReference Include="System.Buffers" Version="4.6.1" />-->
     </ItemGroup>