From 20fc422550ba522bc9b03b76baab1ed6a101a6f5 Mon Sep 17 00:00:00 2001
From: Artur Wieczorek <artwik@wp.pl>
Date: Fri, 5 Feb 2021 23:53:28 +0100
Subject: [PATCH] Fix creating sub-bitmap of wxGraphicsBitmap (GDI+)

Retrieved sub-bitmap should have the same pixel format like
the source bitmap.
---
 src/msw/graphics.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/msw/graphics.cpp b/src/msw/graphics.cpp
index db4d63d2a5..cfb269b6c6 100644
--- a/src/msw/graphics.cpp
+++ b/src/msw/graphics.cpp
@@ -2869,7 +2869,7 @@ wxGraphicsBitmap wxGDIPlusRenderer::CreateSubBitmap( const wxGraphicsBitmap &bit
                      wxNullGraphicsBitmap, wxS("Invalid bitmap region"));
 
         wxGraphicsBitmap p;
-        p.SetRefData(new wxGDIPlusBitmapData( this , image->Clone( (REAL) x , (REAL) y , (REAL) w , (REAL) h , PixelFormat32bppPARGB) ));
+        p.SetRefData(new wxGDIPlusBitmapData( this , image->Clone( (REAL) x , (REAL) y , (REAL) w , (REAL) h , image->GetPixelFormat()) ));
         return p;
     }
     else