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Thread safety of image copying

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This commit is contained in:
ema
2025-01-06 06:00:13 +08:00
parent 0d1ff892ee
commit 612fb36dfc
1 changed files with 3 additions and 4 deletions
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7
QuickLook.Plugin/QuickLook.Plugin.ImageViewer/NativeMethods/ClipboardEx.cs
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@@ -21,9 +21,7 @@ internal static class ClipboardEx
var thread = new Thread((img) => var thread = new Thread((img) =>
{ {
if (img == null) if (img == null)
{
return; return;
}
var image = (BitmapSource)img; var image = (BitmapSource)img;
@@ -36,7 +34,7 @@ internal static class ClipboardEx
try try
{ {
using var pngMemStream = new MemoryStream(); using var pngMemStream = new MemoryStream();
using var bitmpa = image.ToBitmap(); using var bitmpa = image.Dispatcher?.Invoke(() => image.ToBitmap()) ?? image.ToBitmap();
var data = new DataObject(); var data = new DataObject();
bitmpa.Save(pngMemStream, ImageFormat.Png); bitmpa.Save(pngMemStream, ImageFormat.Png);
@@ -44,7 +42,8 @@ internal static class ClipboardEx
Clipboard.SetDataObject(data, true); Clipboard.SetDataObject(data, true);
} }
catch { } catch { } // Clipboard competition leading to failure is common
// There is currently no UI notification of success or failure
}); });
thread.SetApartmentState(ApartmentState.STA); thread.SetApartmentState(ApartmentState.STA);
thread.Start(img); thread.Start(img);