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Java Source | 1997-07-30 | 3.3 KB | 102 lines |
- // $Header: z:/admin/metro_examples/java/demo/ImageMap/rcs/AniArea.java 1.1 1997/02/06 00:30:13 IPGIntel-2 Exp $
- /*
- * @(#)AniArea.java 1.8 96/12/06
- *
- * Copyright (c) 1994-1996 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
- * modify and redistribute this software in source and binary code form,
- * provided that i) this copyright notice and license appear on all copies of
- * the software; and ii) Licensee does not utilize the software in a manner
- * which is disparaging to Sun.
- *
- * 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 SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
- * OR DISTRIBUTING 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.
- *
- * This software is not designed or intended for use in on-line control of
- * aircraft, air traffic, aircraft navigation or aircraft communications; or in
- * the design, construction, operation or maintenance of any nuclear
- * facility. Licensee represents and warrants that it will not use or
- * redistribute the Software for such purposes.
- */
-
- import java.awt.Graphics;
- import java.util.StringTokenizer;
- import java.awt.Image;
- import java.net.URL;
- import java.net.MalformedURLException;
-
- /**
- * This ImageArea provides for a button that animates when the mouse is
- * over it. The animation is specifed as a base image that contains all
- * of the animation frames and then a series of X,Y coordinate pairs that
- * define the top left corner of each new frame.
- *
- * @author Chuck McManis
- * @version 1.8, 12/06/96
- */
- class AniArea extends ImageMapArea {
-
- Image sourceImage;
- int nFrames;
- int coords[];
- int currentFrame = 0;
-
- public void handleArg(String s) {
- StringTokenizer st = new StringTokenizer(s, ", ");
- int i;
- String imgName;
-
- imgName = st.nextToken();
- try {
- sourceImage = parent.getImage(new URL(parent.getDocumentBase(),
- imgName));
- parent.addImage(sourceImage);
- } catch (MalformedURLException e) {}
-
- nFrames = 0;
- coords = new int[40];
-
- while (st.hasMoreTokens()) {
- coords[nFrames*2] = Integer.parseInt(st.nextToken());
- coords[(nFrames*2)+1] = Integer.parseInt(st.nextToken());
- nFrames++;
- if (nFrames > 19)
- break;
- }
- }
-
- public boolean animate() {
- if (entered) {
- repaint();
- }
- return entered;
- }
-
- public void enter() {
- currentFrame = 0;
- parent.startAnimation();
- }
-
- public void highlight(Graphics g) {
- if (entered) {
- drawImage(g, sourceImage,
- X-coords[currentFrame*2], Y-coords[(currentFrame*2)+1],
- X, Y, W, H);
- currentFrame++;
- if (currentFrame >= nFrames)
- currentFrame = 0;
- }
- }
- }
-
-