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    1   /*
    2    * Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
    3    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
    4    *
    5    * This code is free software; you can redistribute it and/or modify it
    6    * under the terms of the GNU General Public License version 2 only, as
    7    * published by the Free Software Foundation.  Oracle designates this
    8    * particular file as subject to the "Classpath" exception as provided
    9    * by Oracle in the LICENSE file that accompanied this code.
   10    *
   11    * This code is distributed in the hope that it will be useful, but WITHOUT
   12    * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   13    * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   14    * version 2 for more details (a copy is included in the LICENSE file that
   15    * accompanied this code).
   16    *
   17    * You should have received a copy of the GNU General Public License version
   18    * 2 along with this work; if not, write to the Free Software Foundation,
   19    * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   20    *
   21    * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   22    * or visit www.oracle.com if you need additional information or have any
   23    * questions.
   24    */
   25   package javax.swing.text;
   26   
   27   import java.awt.Graphics;
   28   import java.awt.Shape;
   29   
   30   /**
   31    *
   32    * @author  Scott Violet
   33    * @author  Timothy Prinzing
   34    * @see     Highlighter
   35    */
   36   public abstract class LayeredHighlighter implements Highlighter {
   37       /**
   38        * When leaf Views (such as LabelView) are rendering they should
   39        * call into this method. If a highlight is in the given region it will
   40        * be drawn immediately.
   41        *
   42        * @param g Graphics used to draw
   43        * @param p0 starting offset of view
   44        * @param p1 ending offset of view
   45        * @param viewBounds Bounds of View
   46        * @param editor JTextComponent
   47        * @param view View instance being rendered
   48        */
   49       public abstract void paintLayeredHighlights(Graphics g, int p0, int p1,
   50                                                   Shape viewBounds,
   51                                                   JTextComponent editor,
   52                                                   View view);
   53   
   54   
   55       /**
   56        * Layered highlight renderer.
   57        */
   58       static public abstract class LayerPainter implements Highlighter.HighlightPainter {
   59           public abstract Shape paintLayer(Graphics g, int p0, int p1,
   60                                           Shape viewBounds,JTextComponent editor,
   61                                           View view);
   62       }
   63   }

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