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Java Source | 2002-09-06 | 3.5 KB | 100 lines |
- /*
- * Copyright (c) 2002 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * -Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * -Redistribution in binary form must reproduct the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the distribution.
- *
- * Neither the name of Sun Microsystems, Inc. or the names of contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * This software is provided "AS IS," without a warranty of any kind. ALL
- * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
- * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
- * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT
- * BE LIABLE FOR ANY DAMAGES OR LIABILITIES SUFFERED BY LICENSEE AS A RESULT
- * OF OR RELATING TO USE, MODIFICATION OR DISTRIBUTION OF THE SOFTWARE OR ITS
- * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
- * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
- * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
- * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN
- * IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- *
- * You acknowledge that Software is not designed, licensed or intended for
- * use in the design, construction, operation or maintenance of any nuclear
- * facility.
- */
-
- /*
- * @(#)DemoImages.java 1.13 02/06/13
- */
-
-
- package java2d;
-
- import java.awt.*;
- import java.awt.image.*;
- import java.util.Hashtable;
- import java.net.URL;
- import java.net.URLClassLoader;
-
-
- /**
- * A cache of all the demo images found in the images directory.
- */
- public class DemoImages extends Component {
-
- private String[] names =
- {
- "HotJava-16.gif", "bld.jpg", "boat.png", "box.gif",
- "boxwave.gif", "clouds.jpg", "duke.gif", "duke.running.gif",
- "dukeplug.gif", "fight.gif", "globe.gif", "java_logo.gif",
- "jumptojavastrip.png", "magnify.gif", "painting.gif",
- "remove.gif", "snooze.gif", "star7.gif", "surfing.gif",
- "thumbsup.gif", "tip.gif", "duke.png", "print.gif",
- "loop.gif", "looping.gif", "start.gif", "start2.gif",
- "stop.gif", "stop2.gif", "clone.gif"
- };
- private static Hashtable cache;
-
-
- public DemoImages() {
- cache = new Hashtable(names.length);
- for (int i = 0; i < names.length; i++) {
- cache.put(names[i], getImage(names[i], this));
- }
- }
-
-
- public static Image getImage(String name, Component cmp) {
- Image img = null;
- if (cache != null) {
- if ((img = (Image) cache.get(name)) != null) {
- return img;
- }
- }
-
- URLClassLoader urlLoader = (URLClassLoader)cmp.getClass().getClassLoader();
- URL fileLoc = urlLoader.findResource("images/" + name);
- img = cmp.getToolkit().createImage(fileLoc);
-
- MediaTracker tracker = new MediaTracker(cmp);
- tracker.addImage(img, 0);
- try {
- tracker.waitForID(0);
- if (tracker.isErrorAny()) {
- System.out.println("Error loading image " + name);
- }
- } catch (Exception ex) { ex.printStackTrace(); }
- return img;
- }
- }
-