From 6680b4f8d519af30cf0499082f2d6a61491ebc76 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Thu, 5 Apr 2018 01:07:36 +0900
Subject: [PATCH] shareable: Bug fix: wrong source image rect in
 ensureNotShared

---
 internal/shareable/shareable.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/shareable/shareable.go b/internal/shareable/shareable.go
index 66da7e2cb..953e31ce8 100644
--- a/internal/shareable/shareable.go
+++ b/internal/shareable/shareable.go
@@ -94,7 +94,7 @@ func (s *Image) ensureNotShared() {
 
 	x, y, w, h := s.region()
 	newImg := restorable.NewImage(w, h, false)
-	newImg.DrawImage(s.backend.restorable, x, y, w, h, nil, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
+	newImg.DrawImage(s.backend.restorable, x, y, x+w, y+h, nil, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
 
 	s.dispose()
 	s.backend = &backend{