import java.awt.Container;
import java.awt.Graphics;
import java.awt.Polygon;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class FillPolyPanel extends JPanel {
public void paintComponent(Graphics g) {
super.paintComponent(g);
int radius = 40;
int centerX = 50;
int centerY = 100;
int angle = 30;
int dx = (int) (radius * Math.cos(angle * Math.PI / 180));
int dy = (int) (radius * Math.sin(angle * Math.PI / 180));
g.fillArc(centerX - radius, centerY - radius, 2 * radius, 2 * radius, angle, 360 - 2 * angle);
Polygon p = new Polygon();
centerX = 150;
for (int i = 0; i < 5; i++)
p.addPoint((int) (centerX + radius * Math.cos(i * 2 * Math.PI / 5)),
(int) (centerY + radius * Math.sin(i * 2 * Math.PI / 5)));
g.fillPolygon(p);
p = new Polygon();
centerX = 250;
for (int i = 0; i < 360; i++) {
double t = i / 360.0;
p.addPoint((int) (centerX + radius * t * Math.cos(8 * t * Math.PI)),
(int) (centerY + radius * t * Math.sin(8 * t * Math.PI)));
}
g.fillPolygon(p);
}
public static void main(String[] args) {
JFrame frame = new JFrame();
frame.setTitle("FillPoly");
frame.setSize(300, 200);
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
Container contentPane = frame.getContentPane();
contentPane.add(new FillPolyPanel());
frame.show();
}
}
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