SWING(ScaledImage)

Swing Programming

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

public class ScaledImage extends JFrame implements ActionListener
{
JButton jb;
String file="1.jpeg";
ImageIcon icon=null;
Image image = null;
JLabel button;

public ScaledImage()
{
jb = new JButton("Select Image");
jb.addActionListener(this);

icon = new ImageIcon( file );
image = icon.getImage().getScaledInstance(128, 128, Image.SCALE_SMOOTH);
button = new JLabel( new ImageIcon( image ) );
getContentPane().add( button, BorderLayout.CENTER );
getContentPane().add( jb, BorderLayout.SOUTH );
}
public static void main(String[] args)
{
ScaledImage frame = new ScaledImage();
frame.setDefaultCloseOperation( EXIT_ON_CLOSE );
frame.setSize(300,300);
frame.setVisible(true);
}
public void actionPerformed(ActionEvent ae)
{
JFileChooser fc = new JFileChooser();

int returnVal = fc.showOpenDialog(this);
if(returnVal == JFileChooser.APPROVE_OPTION)
{
file = fc.getSelectedFile().getName();
}

icon = new ImageIcon( file );
image = icon.getImage().getScaledInstance(128, 128, Image.SCALE_SMOOTH);
button.setIcon(new ImageIcon(image));
button.repaint();
}
}