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

*** 1,7 ****
  /*
!  * Copyright (c) 2013, 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
--- 1,7 ----
  /*
!  * 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
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--- 24,44 ----
   */
  
  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 {
  
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      @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();
+     }
  }