src/java.desktop/share/classes/sun/awt/SunGraphicsCallback.java

*** 1,7 ****
  /*
!  * Copyright (c) 1999, 2015, 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) 1999, 2018, 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
*** 69,81 ****
                  constrainGraphics(cg, bounds);
                  cg.setFont(comp.getFont());
                  cg.setColor(comp.getForeground());
                  if (cg instanceof Graphics2D) {
                      ((Graphics2D)cg).setBackground(comp.getBackground());
-                 } else if (cg instanceof Graphics2Delegate) {
-                     ((Graphics2Delegate)cg).setBackground(
-                         comp.getBackground());
                  }
                  run(comp, cg);
              } finally {
                  cg.dispose();
              }
--- 69,78 ----