/*

 * Copyright (c) 1998, 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

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package javax.swing.text;

import java.awt.Graphics;

import java.awt.Shape;

/**

 *

 * @author  Scott Violet

 * @author  Timothy Prinzing

 * @see     Highlighter

 */

public abstract class LayeredHighlighter implements Highlighter {

    /**

     * When leaf Views (such as LabelView) are rendering they should

     * call into this method. If a highlight is in the given region it will

     * be drawn immediately.

     *

     * @param g Graphics used to draw

     * @param p0 starting offset of view

     * @param p1 ending offset of view

     * @param viewBounds Bounds of View

     * @param editor JTextComponent

     * @param view View instance being rendered

     */

    public abstract void paintLayeredHighlights(Graphics g, int p0, int p1,

                                                Shape viewBounds,

                                                JTextComponent editor,

                                                View view);

    /**

     * Layered highlight renderer.

     */

    static public abstract class LayerPainter implements Highlighter.HighlightPainter {

        public abstract Shape paintLayer(Graphics g, int p0, int p1,

                                        Shape viewBounds,JTextComponent editor,

                                        View view);

    }

}