Correctly compare source and destination pixel format (#12940)

Gillibald · web-flow · commit 407440645ba7 · 2023-09-19T19:02:14.000Z
diff --git a/src/Avalonia.Base/Media/Imaging/Bitmap.cs b/src/Avalonia.Base/Media/Imaging/Bitmap.cs
@@ -241,7 +241,7 @@ public void CopyPixels(ILockedFramebuffer buffer, AlphaFormat alphaFormat)
                 throw new NotSupportedException("CopyPixels is not supported for this bitmap type");
             }
 
-            if (readable.Format != Format || readable.AlphaFormat != alphaFormat)
+            if (buffer.Format != readable.Format || alphaFormat != readable.AlphaFormat)
             {
                 using (var fb = readable.Lock())
                 {

Original file line number	Diff line number	Diff line change
`@@ -241,7 +241,7 @@ public void CopyPixels(ILockedFramebuffer buffer, AlphaFormat alphaFormat)`
`241`	`241`	`throw new NotSupportedException("CopyPixels is not supported for this bitmap type");`
`242`	`242`	`}`
`243`	`243`
`244`		`- if (readable.Format != Format \|\| readable.AlphaFormat != alphaFormat)`
	`244`	`+ if (buffer.Format != readable.Format \|\| alphaFormat != readable.AlphaFormat)`
`245`	`245`	`{`
`246`	`246`	`using (var fb = readable.Lock())`
`247`	`247`	`{`