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Image problems

Posted on 2002-03-05
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Last Modified: 2010-03-31
How do I use onMouseOver to swap images, like whereby a mouse movement over an image will make different images to appear?
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Question by:TreI
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9 Comments
 
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Expert Comment

by:sanjay_thakur
ID: 6842007
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LVL 18

Accepted Solution

by:
bobbit31 earned 25 total points
ID: 6842161
here's some simple code that might help you:

import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;

/*
<APPLET
        code=RolloverImage.class
        width=300
        height=300>
</applet>
*/

public class RolloverImage extends java.applet.Applet implements MouseListener, ImageObserver {
   

     private Image curImage;
     private Image image1;
     private Image image2;
     
     public void init()
     {
     
          setBackground(Color.green);
          addMouseListener(this);
         
          image1 = getImage(getCodeBase(), "pic1.jpg");
          image2 = getImage(getCodeBase(), "pic2.jpg");
         
          curImage = image1;
          setSize(300, 300);
     }

     public void paint(Graphics g) {
          g.setColor(Color.black);
          g.drawImage(curImage, 0, 0, 300, 300, this);
   }    

     public void mouseClicked(MouseEvent evt) {}
     
     public void mouseEntered(MouseEvent evt) {
          curImage = image2;    
          repaint();
     }
     public void mouseExited(MouseEvent e) {
          curImage = image1;    
          repaint();
     }
     
     public void mousePressed(MouseEvent e) {}
     public void mouseReleased(MouseEvent e) {}
           
}
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LVL 92

Expert Comment

by:objects
ID: 6842384
If your using Swing then just use setRolloverIcon() method on your button to specify the rollover image.
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Expert Comment

by:Moondancer
ID: 6956514
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Expert Comment

by:bobbit31
ID: 6956534
the code i provided does work... so if anyone doesn't object, i'll take the points ;)
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LVL 92

Expert Comment

by:objects
ID: 6957094
Using setRolloverIcon() is a lot simpler though ;-)
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Expert Comment

by:bobbit31
ID: 6957266
objects: how bout a split? ;)
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Expert Comment

by:objects
ID: 6957273
Don't have a problem with that :)
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Expert Comment

by:Moondancer
ID: 6957968
Thank you both, points have been split.
Points for objects -> http://www.experts-exchange.com/jsp/qShow.jsp?qid=20291964
:) Moondancer - EE Moderator
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