Problem in getting the image coordinates when i zoom in or zoom out

Hi,
i have doubts with scaling (Zoom in and Zoom out) using following code but when i zoom in want to get the x and y coordinates but im getting resized coordinates , pls do the needful
public class TiffTest extends JFrame implements MouseListener
public TiffTest(String filename)
RenderedImage source= JAI.create("fileload",filename);
SubsampleBinaryToGrayDescriptor sb=new SubsampleBinaryToGrayDescriptor();
RenderingHints rh=new RenderingHints(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_DEFAULT);
RenderedOp op=sb.create(source,new Float(0.5),new Float(0.5),rh);
JScrollPane scrollPane = new JScrollPane();
displayjai dj=new displayjai(op);
scrollPane.setViewportView(dj);
getContentPane().add(scrollPane,BorderLayout.CENTER);
int screen_width=(int)this.getToolkit().getScreenSize().getWidth();
int screen_height=(int)this.getToolkit().getScreenSize().getHeight();
setVisible(true);
setSize(screen_width,screen_height);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setExtendedState(JFrame.MAXIMIZED_BOTH);
dj.addMouseListener(this);
JAI.create("filestore",dj.ima,"god.tif","TIFF");
public static void main(String s[])
new TiffTest("1_org.tif");
public void mouseClicked(MouseEvent e){System.out.println(e.getX()+","+e.getY());}
public void mousePressed(MouseEvent e){}
public void mouseReleased(MouseEvent e){}
public void mouseEntered(MouseEvent e){}
public void mouseExited(MouseEvent e){}
class displayjai extends DisplayJAI
RenderedOp ima;
public displayjai(RenderedOp inputImage)
super(inputImage);
ima=inputImage;
setPreferredSize(new Dimension(ima.getWidth(),ima.getHeight()));
System.out.println(inputImage.getWidth()+","+inputImage.getHeight());
Thankx
Kannan

hi all,
I am getting the image from the server.but the problem is i am getting the Exception as ArrayOutOfBound exception.
It was displaying the Image for the first time.and when ever it was going for the second time in to the paint method it was displaying the IOException in reading the stream from the connection.
can anybody give me the solution in rectifying that exception.
thanks in advance
lakshman

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hi all,
I am getting the image from the server.but the problem is i am getting the Exception as ArrayOutOfBound exception.
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