DrawArcs.java

// Fig. 13.25: DrawArcs.java
// Arcs displayed with drawArc and fillArc.

import java.awt.Color;
import java.awt.Graphics;
import javax.swing.JFrame;
import javax.swing.JPanel;

class ArcsJPanel extends JPanel 
{
   // draw rectangles and arcs
   @Override
   public void paintComponent(Graphics g)
   {
      super.paintComponent(g);  

      // start at 0 and sweep 360 degrees
      g.setColor(Color.RED);
      g.drawRect(15, 35, 80, 80);
      g.setColor(Color.BLACK);
      g.drawArc(15, 35, 80, 80, 0, 360);

      // start at 0 and sweep 110 degrees
      g.setColor(Color.RED);
      g.drawRect(100, 35, 80, 80);
      g.setColor(Color.BLACK);
      g.drawArc(100, 35, 80, 80, 0, 110);

      // start at 0 and sweep -270 degrees
      g.setColor(Color.RED);
      g.drawRect(185, 35, 80, 80);
      g.setColor(Color.BLACK);
      g.drawArc(185, 35, 80, 80, 0, -270);

      // start at 0 and sweep 360 degrees
      g.fillArc(15, 120, 80, 40, 0, 360);

      // start at 270 and sweep -90 degrees
      g.fillArc(100, 120, 80, 40, 270, -90);
                 
      // start at 0 and sweep -270 degrees
      g.fillArc(185, 120, 80, 40, 0, -270);
   } 
} // end class ArcsJPanel

public class DrawArcs 
{
   // execute application
   public static void main(String[] args)
   {
      // create frame for ArcsJPanel
      JFrame frame = new JFrame("Drawing Arcs");
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

      ArcsJPanel arcsJPanel = new ArcsJPanel();
      frame.add(arcsJPanel); 
      frame.setSize(300, 210);
      frame.setVisible(true);
   } 
} // end class DrawArcs