My Blog

Board.java

package donut;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.geom.AffineTransform;
import java.awt.geom.Ellipse2D;

import javax.swing.JPanel;


public class Board extends JPanel{

public void paint(Graphics g)
{
super.paint(g);

Graphics2D g2 = (Graphics2D) g;

RenderingHints rh =
new RenderingHints(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);

rh.put(RenderingHints.KEY_RENDERING,
RenderingHints.VALUE_RENDER_QUALITY);

g2.setRenderingHints(rh);

Dimension size = getSize();
double w = size.getWidth();
double h = size.getHeight();

Ellipse2D e = new Ellipse2D.Double(0, 0, 80, 130);
g2.setStroke(new BasicStroke(1));
g2.setColor(Color.gray);


for (double deg = 0; deg < 360; deg += 5) {
AffineTransform at =
AffineTransform.getTranslateInstance(w / 2, h / 2);
at.rotate(Math.toRadians(deg));
g2.draw(at.createTransformedShape(e));
}
}
}





Donut.java

package donut;

import javax.swing.JFrame;


public class Donut extends JFrame {


public Donut() {

add(new Board());

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(360, 310);
setLocationRelativeTo(null);
setTitle("Donut");
setVisible(true);
}

public static void main(String[] args) {
new Donut();
}
}