AffineTransform: getTranslateInstance(double tx, double ty) : AffineTransform « java.awt.geom « Java by API

1. Java by API
2. java.awt.geom
3. AffineTransform

AffineTransform: getTranslateInstance(double tx, double ty)

import java.awt.Color;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.geom.AffineTransform;
import java.awt.geom.Rectangle2D;

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

public class MainClass{
  public static void main(String[] args) {
    JFrame jf = new JFrame("Demo");
    Container cp = jf.getContentPane();
    MyCanvas tl = new MyCanvas();
    cp.add(tl);
    jf.setSize(300, 200);
    jf.setVisible(true);
  }
}

class MyCanvas extends JComponent {
  Shape shape;

  public MyCanvas() {
    shape = create();
  }

  protected Shape create() {
    float cm = 72 / 2.54f;
    return new Rectangle2D.Float(cm, cm, 2 * cm, cm);
  }


  public void paint(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    
    g2.setPaint(Color.black);
    g2.draw(shape);
    
    AffineTransform at = AffineTransform.getTranslateInstance(75, 75);
    g2.transform(at);

    g2.setPaint(Color.red);
    g2.draw(shape);
    
  }
}
           
       

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