/*
* @(#)AniArea.java 1.16 04/07/26
*
* Copyright (c) 2004 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:
*
* -Redistribution of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* -Redistribution in binary form must reproduce 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 MIDROSYSTEMS, INC. ("SUN")
* AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
* AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS 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 THIS SOFTWARE,
* EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed, licensed or intended
* for use in the design, construction, operation or maintenance of any
* nuclear facility.
*/
/*
* @(#)AniArea.java 1.16 04/07/26
*/
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 1.16, 07/26/04
*/
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;
}
}
public String getAppletInfo() {
return "Title: AniArea \nAuthor: Chuck McManis \nThis ImageMapArea subclass 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.";
}
}
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