import java.awt.*;
/** A Circle component built using a Canvas.
*
*/
public class Circle extends Canvas {
private int width, height;
public Circle(Color foreground, int radius) {
setForeground(foreground);
width = 2*radius;
height = 2*radius;
setSize(width, height);
}
public void paint(Graphics g) {
g.fillOval(0, 0, width, height);
}
public void setCenter(int x, int y) {
setLocation(x - width/2, y - height/2);
}
}