Draw a rectangle with Rectangle2D.Float in Java

Description

The following code shows how to draw a rectangle with Rectangle2D.Float.

Example


//  www.jav a2 s .com
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;

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

class MyCanvas extends JComponent {
  public void paint(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;
    Rectangle2D r2d = new Rectangle2D.Float(10f, 10f, 130f, 130f);
    g2d.draw(r2d);
  }
}

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);
  }
}

The code above generates the following result.

Draw a rectangle with Rectangle2D.Float in Java




















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