1 /* 2 * Copyright (c) 1998, 2015, 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 /** 60 * @return a shape 61 * @param g Graphics used to draw 62 * @param p0 starting offset of view 63 * @param p1 ending offset of view 64 * @param viewBounds Bounds of View 65 * @param editor JTextComponent 66 * @param view View instance being rendered 67 */ 68 public abstract Shape paintLayer(Graphics g, int p0, int p1, 69 Shape viewBounds,JTextComponent editor, 70 View view); 71 } 72 }