Getting the number bytes form an images

can somebody please help me i want to find out how many bytes are in a bmp image, i am /8 cause i want to get one bit from every byte in the image, i am using this code but there is a problem
nrBytes = im.getWidth() * im.getHeight() * im.getColorModel().getPixelSize() / 8;
any help greatly appreciated

sorry i was vague again i call it here in the main class
wi.loadFromFile(selectedFile.getAbsolutePath());
i used JFIleChooser to select the image, the image is then passed to the load function below,
public int loadFromFile(String fileName)
int nrBytes = 0;
try{
im = ImageIO.read(new File(fileName));
nrBytes = im.getWidth() * im.getHeight() * im.getColorModel().getPixelSize()/8;
catch (IOException e)
im = null;
System.err.println("Error when loading image " + fileName+": "+e.getLocalizedMessage());
e.printStackTrace();
return nrBytes;
hopefully this gives you more or an idea

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* To change this template, choose Tools | Templates
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public static int h;
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int scrwidth = Toolkit.getDefaultToolkit().getScreenSize().width;
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f.setSize(scrwidth , scrheight);
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zd.getBounds();
f.add(zd);
//int x = (int) zd.getX();
//int y = (int) zd.getY();
//int w = (int) zd.getWidth();
//int h = (int) zd.getHeight();
//System.out.println(x+" "+y+" "+w+" "+h);
//zd.setBounds(x ,y ,w ,h );
//lp.add(zd, JLayeredPane.DEFAULT_LAYER);
//f.setLocationRelativeTo(null);
f.setVisible(true);
//lp.setVisible(true);
//zd.setVisible(true);
}Edited by: .mnemonic. on May 26, 2009 11:07 PM
Edited by: .mnemonic. on May 27, 2009 11:00 AM

You'll need a stable point in the component to track and orient to the scaling transform(s).
From this you can construct whatever you need in the way of image location and size.
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import java.awt.event.*;
import java.awt.geom.*;
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 AffineTransform at = new AffineTransform();
 Point2D.Double origin = new Point2D.Double(0,0);
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 center = new Point(image.getWidth()/2, image.getHeight()/2);
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 super.paintComponent(g);
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 g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
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 g2.setPaint(Color.red);
 g2.fill(new Ellipse2D.Double(origin.x-1.5, origin.y-1.5, 4, 4));
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