src/java.desktop/share/classes/java/awt/image/RGBImageFilter.java

*** 1,7 ****
  /*
!  * Copyright (c) 1995, 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
--- 1,7 ----
  /*
!  * Copyright (c) 1995, 2020, 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
*** 65,74 ****
--- 65,79 ----
   * @author      Jim Graham
   */
  public abstract class RGBImageFilter extends ImageFilter {
  
      /**
+      * Constructor for subclasses to call.
+      */
+     public RGBImageFilter() {}
+ 
+     /**
       * The {@code ColorModel} to be replaced by
       * {@code newmodel} when the user calls
       * {@link #substituteColorModel(ColorModel, ColorModel) substituteColorModel}.
       */
      protected ColorModel origmodel;