Ensure WEBP decoder unsets the restore area.

JimBobSquarePants · JimBobSquarePants · commit bd1649dee5d1 · 2025-02-07T13:06:42.000+10:00
diff --git a/src/ImageSharp/Formats/Webp/WebpAnimationDecoder.cs b/src/ImageSharp/Formats/Webp/WebpAnimationDecoder.cs
@@ -382,6 +382,8 @@ private void RestoreToBackground<TPixel>(ImageFrame<TPixel> imageFrame, TPixel b
         Rectangle interest = Rectangle.Intersect(imageFrame.Bounds(), this.restoreArea.Value);
         Buffer2DRegion<TPixel> pixelRegion = imageFrame.PixelBuffer.GetRegion(interest);
         pixelRegion.Fill(backgroundColor);
+
+        this.restoreArea = null;
     }
 
     /// <inheritdoc/>

Original file line number	Diff line number	Diff line change
`@@ -382,6 +382,8 @@ private void RestoreToBackground<TPixel>(ImageFrame<TPixel> imageFrame, TPixel b`
`382`	`382`	`Rectangle interest = Rectangle.Intersect(imageFrame.Bounds(), this.restoreArea.Value);`
`383`	`383`	`Buffer2DRegion<TPixel> pixelRegion = imageFrame.PixelBuffer.GetRegion(interest);`
`384`	`384`	`pixelRegion.Fill(backgroundColor);`
	`385`	`+`
	`386`	`+ this.restoreArea = null;`
`385`	`387`	`}`
`386`	`388`
`387`	`389`	`/// <inheritdoc/>`