Java Graphics2D .transform (AffineTransform Tx)

Syntax

Graphics2D.transform(AffineTransform Tx) has the following syntax.

public abstract void transform(AffineTransform Tx)

Example

In the following code shows how to use Graphics2D.transform(AffineTransform Tx) method.


import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;
//  w w  w.java2  s .c  o m
import javax.swing.JFrame;
import javax.swing.JPanel;

public class Main extends JPanel {
  public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    
    g2.setPaint(Color.black);
    g2.draw(new Rectangle2D.Float(10, 20, 30, 40));
    
    AffineTransform at = AffineTransform.getTranslateInstance(75, 75);
    g2.transform(at);

    g2.setPaint(Color.red);
    g2.draw(new Rectangle2D.Float(10, 20, 30, 40));
  }

  public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.add(new Main());
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setBounds(20, 20, 500, 500);
    frame.setVisible(true);
  }
}