Java Swing Tutorial - Java Graphics.setClip(Shape clip)

Syntax

Graphics.setClip(Shape clip) has the following syntax.

public abstract void setClip(Shape clip)

Example

In the following code shows how to use Graphics.setClip(Shape clip) method.

// w  ww.j a v  a2  s.  co  m
import java.awt.Color;
import java.awt.Graphics;
import java.awt.geom.Ellipse2D;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class Main extends JPanel {

  public void paint(Graphics g) {
    int w = getSize().width;
    int h = getSize().height;

    Ellipse2D e = new Ellipse2D.Float(w / 4.0f, h / 4.0f, w / 2.0f, h / 2.0f);
    g.setClip(e);

    g.setColor(Color.red);
    g.fillRect(0, 0, w, h);

  }

  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);
  }
}