Clipboard updates: Add image to clipboard and fix pasting and showing status when image is from clipboard

Author: Ruben2776

src/PicView.Avalonia.MacOS/App.axaml.cs

@@ -3,6 +3,7 @@
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Media.Imaging;
 using Avalonia.Threading;
 using PicView.Avalonia.ColorManagement;
 using PicView.Avalonia.Interfaces;
@@ -399,11 +400,16 @@ public bool CutFile(string path)
         return false;
     }
 
-    public Task CopyImageToClipboard()
+    public Task CopyImageToClipboard(Bitmap bitmap)
     {
         return Task.CompletedTask;
     }
 
+    public Task<Bitmap?> GetImageFromClipboard()
+    {
+        return null;
+    }
+
     public Task<bool> ExtractWithLocalSoftwareAsync(string path, string tempDirectory)
     {
         // TODO: Implement ExtractWithLocalSoftwareAsync

src/PicView.Avalonia.Win32/App.axaml.cs

@@ -3,7 +3,9 @@
 using Avalonia.Controls;
 using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Markup.Xaml;
+using Avalonia.Media.Imaging;
 using Avalonia.Threading;
+using Clowd.Clipboard;
 using PicView.Avalonia.ColorManagement;
 using PicView.Avalonia.Interfaces;
 using PicView.Avalonia.Navigation;
@@ -439,9 +441,14 @@ public bool CutFile(string path)
         return Win32Clipboard.CopyFileToClipboard(true, path);
     }
 
-    public Task CopyImageToClipboard()
+    public async Task CopyImageToClipboard(Bitmap bitmap)
     {
-        return Task.CompletedTask;
+        await ClipboardAvalonia.SetImageAsync(bitmap).ConfigureAwait(false);
+    }
+
+    public async Task<Bitmap?> GetImageFromClipboard()
+    {
+        return await ClipboardAvalonia.GetImageAsync().ConfigureAwait(false);
     }
 
     public async Task<bool> ExtractWithLocalSoftwareAsync(string path, string tempDirectory)

src/PicView.Avalonia.Win32/PicView.Avalonia.Win32.csproj

@@ -43,6 +43,7 @@
   <ItemGroup>
     <PackageReference Include="Avalonia.Desktop" Version="11.2.3" />
     <PackageReference Include="Avalonia.Themes.Simple" Version="11.2.3" />
+    <PackageReference Include="Clowd.Clipboard.Avalonia" Version="1.1.4" />
   </ItemGroup>
 
   <ItemGroup>

src/PicView.Avalonia/Clipboard/ClipboardHelper.cs

@@ -66,7 +66,31 @@ public static async Task CopyFileToClipboard(string? file, MainViewModel vm)
 
     public static async Task CopyImageToClipboard(MainViewModel vm)
     {
-        // TODO: Implement CopyImageToClipboard
+        if (Application.Current?.ApplicationLifetime is not IClassicDesktopStyleApplicationLifetime desktop)
+        {
+            return;
+        }
+        var clipboard = desktop.MainWindow.Clipboard;
+        
+        if (vm.ImageSource is not Bitmap bitmap)
+        {
+            return;
+        }
+        await clipboard.ClearAsync();
+        
+        // Handle for Windows
+        if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+        {
+            await Task.WhenAll(vm.PlatformService.CopyImageToClipboard(bitmap), CopyAnimation());
+            return;
+        }
+        
+        using var ms = new MemoryStream();
+        bitmap.Save(ms);
+                        
+        var dataObject = new DataObject();
+        dataObject.Set("image/png", ms.ToArray());
+        await Task.WhenAll(clipboard.SetDataObjectAsync(dataObject), CopyAnimation());
     }
 
     public static async Task CopyBase64ToClipboard(string path, MainViewModel vm)
@@ -129,13 +153,6 @@ public static async Task Paste(MainViewModel vm)
             return;
         }
         var clipboard = desktop.MainWindow.Clipboard;
-        var text = await clipboard.GetTextAsync();
-        if (text is not null)
-        {   
-            await NavigationHelper.LoadPicFromStringAsync(text, vm).ConfigureAwait(false);
-            return;
-        }
-
         var files = await clipboard.GetDataAsync(DataFormats.Files);
         if (files is not null)
         {
@@ -229,6 +246,20 @@ public static async Task Paste(MainViewModel vm)
             UpdateImage.SetSingleImage(bitmap, imageType, name, vm);
             return;
         }
+        
+        var text = await clipboard.GetTextAsync();
+        if (!string.IsNullOrWhiteSpace(text))
+        {   
+            await NavigationHelper.LoadPicFromStringAsync(text, vm).ConfigureAwait(false);
+            return;
+        }
+        // Handle for Windows
+        if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+        {
+            bitmap = await vm.PlatformService.GetImageFromClipboard();
+            UpdateImage.SetSingleImage(bitmap, imageType, name, vm);
+            return;
+        }
         return;
 
         async Task<Bitmap?> GetBitmapFromBytes(string format)

src/PicView.Avalonia/Interfaces/IPlatformSpecificService.cs

@@ -1,4 +1,6 @@
-namespace PicView.Avalonia.Interfaces;
+using Avalonia.Media.Imaging;
+
+namespace PicView.Avalonia.Interfaces;
 
 public interface IPlatformSpecificService
 {
@@ -43,7 +45,9 @@ public interface IPlatformSpecificService
 
     bool CutFile(string path);
 
-    Task CopyImageToClipboard();
+    Task CopyImageToClipboard(Bitmap bitmap);
+    
+    Task<Bitmap?> GetImageFromClipboard();
 
     Task<bool> ExtractWithLocalSoftwareAsync(string path, string tempDirectory);
 

src/PicView.Avalonia/Navigation/UpdateImage.cs

@@ -177,9 +177,9 @@ public static void SetSingleImage(object source, ImageType imageType, string nam
         }
 
         var singeImageWindowTitles = ImageTitleFormatter.GenerateTitleForSingleImage(width, height, name, 1);
-        vm.WindowTitle = singeImageWindowTitles.BaseTitle;
-        vm.Title = singeImageWindowTitles.TitleWithAppName;
-        vm.TitleTooltip = singeImageWindowTitles.TitleWithAppName;
+        vm.WindowTitle = singeImageWindowTitles.TitleWithAppName;
+        vm.Title = singeImageWindowTitles.BaseTitle; 
+        vm.TitleTooltip = singeImageWindowTitles.BaseTitle;
         vm.GalleryMargin = new Thickness(0, 0, 0, 0);
 
         vm.PlatformService.StopTaskbarProgress();

src/PicView.Avalonia/Views/MainView.axaml

@@ -856,11 +856,7 @@
                 </MenuItem.Icon>
 
                 <!--  Copy image  -->
-                <MenuItem
-                    Command="{CompiledBinding CopyImageCommand}"
-                    Header="{CompiledBinding CopyImage,
-                                             Mode=OneWay}"
-                    IsEnabled="False">
+                <MenuItem Command="{CompiledBinding CopyImageCommand}" Header="{CompiledBinding CopyImage, Mode=OneWay}">
                     <MenuItem.Icon>
                         <Path
                             Data="M384 336H192c-8.8 0-16-7.2-16-16V64c0-8.8 7.2-16 16-16l140.1 0L400 115.9V320c0 8.8-7.2 16-16 16zM192 384H384c35.3 0 64-28.7 64-64V115.9c0-12.7-5.1-24.9-14.1-33.9L366.1 14.1c-9-9-21.2-14.1-33.9-14.1H192c-35.3 0-64 28.7-64 64V320c0 35.3 28.7 64 64 64zM64 128c-35.3 0-64 28.7-64 64V448c0 35.3 28.7 64 64 64H256c35.3 0 64-28.7 64-64V416H272v32c0 8.8-7.2 16-16 16H64c-8.8 0-16-7.2-16-16V192c0-8.8 7.2-16 16-16H96V128H64z"