home *** CD-ROM | disk | FTP | other *** search
Java Source | 1996-04-26 | 2.8 KB | 93 lines |
- /*
- * @(#)HighlightArea.java 1.4 96/04/24
- *
- * Copyright (c) 1994-1996 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Permission to use, copy, modify, and distribute this software
- * and its documentation for NON-COMMERCIAL or COMMERCIAL purposes and
- * without fee is hereby granted.
- * Please refer to the file http://java.sun.com/copy_trademarks.html
- * for further important copyright and trademark information and to
- * http://java.sun.com/licensing.html for further important licensing
- * information for the Java (tm) Technology.
- *
- * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
- * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
- * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
- *
- * THIS SOFTWARE IS NOT DESIGNED OR INTENDED FOR USE OR RESALE AS ON-LINE
- * CONTROL EQUIPMENT IN HAZARDOUS ENVIRONMENTS REQUIRING FAIL-SAFE
- * PERFORMANCE, SUCH AS IN THE OPERATION OF NUCLEAR FACILITIES, AIRCRAFT
- * NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL, DIRECT LIFE
- * SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH THE FAILURE OF THE
- * SOFTWARE COULD LEAD DIRECTLY TO DEATH, PERSONAL INJURY, OR SEVERE
- * PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH RISK ACTIVITIES"). SUN
- * SPECIFICALLY DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR
- * HIGH RISK ACTIVITIES.
- */
-
- import java.awt.Graphics;
- import java.net.URL;
- import java.net.MalformedURLException;
-
- /**
- * An area highlighting ImageArea class.
- * This class extends the basic ImageArea Class to highlight an area of
- * the base image when the mouse enters the area.
- *
- * @author Jim Graham
- * @version 1.4, 04/24/96
- */
- class HighlightArea extends ImageMapArea {
- int hlmode;
- int hlpercent;
-
- /**
- * The argument string is the highlight mode to be used.
- */
- public void handleArg(String arg) {
- if (arg == null) {
- hlmode = parent.hlmode;
- hlpercent = parent.hlpercent;
- } else {
- if (arg.startsWith("darker")) {
- hlmode = parent.DARKER;
- arg = arg.substring("darker".length());
- } else {
- hlmode = parent.BRIGHTER;
- if (arg.startsWith("brighter")) {
- arg = arg.substring("brighter".length());
- }
- }
- hlpercent = Integer.parseInt(arg);
- }
- }
-
- public void makeImages() {
- setHighlight(parent.getHighlight(X, Y, W, H, hlmode, hlpercent));
- }
-
- public void highlight(Graphics g) {
- if (entered) {
- g.drawImage(hlImage, X, Y, this);
- }
- }
-
- /**
- * The area is repainted when the mouse enters.
- */
- public void enter() {
- repaint();
- }
-
- /**
- * The area is repainted when the mouse leaves.
- */
- public void exit() {
- repaint();
- }
- }
-