src/macosx/classes/sun/lwawt/LWLightweightFramePeer.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -24,18 +24,21 @@
  */
 
 package sun.lwawt;
 
 import java.awt.Graphics;
+import java.awt.GraphicsConfiguration;
 import java.awt.Insets;
 import java.awt.Point;
 import java.awt.Rectangle;
+import java.awt.Transparency;
 import java.awt.Window;
 import java.awt.dnd.DropTarget;
 
 import sun.awt.CausedFocusEvent;
 import sun.awt.LightweightFrame;
+import sun.awt.image.OffScreenImage;
 import sun.swing.JLightweightFrame;
 import sun.swing.SwingAccessor;
 
 public class LWLightweightFramePeer extends LWWindowPeer {
 

@@ -112,6 +115,19 @@
 
     @Override
     public void updateCursorImmediately() {
         SwingAccessor.getJLightweightFrameAccessor().updateCursor((JLightweightFrame)getLwTarget());
     }
+    
+    @Override
+    public OffScreenImage createHiDPIImage(int width, int height) {
+        OffScreenImage img =  OffScreenImage.create(getLwTarget(), (GraphicsConfiguration)getLWGC(),
+                                                    width, height, Transparency.OPAQUE,
+                                                    getLwTarget().getScaleFactor());
+        return img;
+    }
+    
+    @Override
+    public void notifyScaleFactorChanged() {
+        displayChanged();
+    }
 }