// Fig. 12.31: Shapes2JPanel.java
// Demonstrating a general path.
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.geom.GeneralPath;
import java.util.Random;
import javax.swing.JPanel;

public class Shapes2JPanel extends JPanel 
{
   // draw general paths
   public void paintComponent( Graphics g )
   {
      super.paintComponent( g ); // call superclass's paintComponent
      Random random = new Random(); // get random number generator

      int xPoints[] = { 55, 67, 109, 73, 83, 55, 27, 37, 1, 43 };
      int yPoints[] = { 0, 36, 36, 54, 96, 72, 96, 54, 36, 36 };

      Graphics2D g2d = ( Graphics2D ) g;
      GeneralPath star = new GeneralPath(); // create GeneralPath object

      // set the initial coordinate of the General Path
      star.moveTo( xPoints[ 0 ], yPoints[ 0 ] );

      // create the star--this does not draw the star
      for ( int count = 1; count < xPoints.length; count++ )
         star.lineTo( xPoints[ count ], yPoints[ count ] );

      star.closePath(); // close the shape

      g2d.translate( 200, 200 ); // translate the origin to (200, 200)

      // rotate around origin and draw stars in random colors
      for ( int count = 1; count <= 20; count++ ) 
      {
         g2d.rotate( Math.PI / 10.0 ); // rotate coordinate system

         // set random drawing color
         g2d.setColor( new Color( random.nextInt( 256 ),
            random.nextInt( 256 ), random.nextInt( 256 ) ) );

         g2d.fill( star ); // draw filled star
      } // end for
   } // end method paintComponent
} // end class Shapes2JPanel

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