Scale a Shape in Java

    /*  www . j a  v  a 2s .  co m*/
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.geom.AffineTransform;

import javax.swing.JComponent;
import javax.swing.JFrame;

class MyCanvas extends JComponent {
  public void paint(Graphics g) {
    AffineTransform tx = new AffineTransform();
    tx.scale(1, 1);
    Rectangle shape = new Rectangle(1, 1, 300, 300);
    Graphics2D g2d = (Graphics2D) g;
    g2d.draw(shape);
  }
}

public class Main {
  public static void main(String[] a) {
    JFrame window = new JFrame();
    window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    window.setBounds(30, 30, 450, 450);
    window.getContentPane().add(new MyCanvas());
    window.setVisible(true);
  }
}