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How to display a "PGM" image file in java?

Posted on 2002-07-17
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Last Modified: 2008-01-09
How I can display a "PGM" (Portable Gray Map) file in java? Please write some actual code.

regards,
Subhasis
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Question by:mitra_subhasis
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2 Comments
 
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Accepted Solution

by:
flumpman earned 200 total points
ID: 7161689
Using the JAI the code is simple - see below.

--
flumpman

import javax.media.jai.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class DisplayPGM {

    public static void main(String[] args) {

        JFrame f = new JFrame("PGM");

        f.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });

        // create a JPanel to use as the content pane
        JPanel p = new JPanel();
        p.setLayout(new BorderLayout());

        f.setContentPane(p);

        // load the image using JAI
        PlanarImage pgmImage = JAI.create("fileload", "c:\\temp\\test.pgm");

        // create an ImageIcon from the image
        ImageIcon icon = new ImageIcon(pgmImage.getAsBufferedImage());

        JLabel l = new JLabel(icon);

        // add the image to the panel
        p.add(l, BorderLayout.CENTER);

        // set the size and show the frame
        f.setSize(600, 400);
        f.setVisible(true);
    }
}
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Author Comment

by:mitra_subhasis
ID: 7171006
Sorry for being late.

regards,
Subhasis.
0

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