package exercicio3_5;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Polygon;
import java.awt.geom.AffineTransform;
import java.awt.geom.Area;
import java.awt.geom.Rectangle2D;
import javax.swing.JApplet;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class Exercicio3_5 extends JApplet {

    public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.setTitle("Exercicio3_5");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JApplet applet = new Exercicio3_5();
        applet.init();
        frame.getContentPane().add(applet);
        frame.pack();
        frame.setVisible(true);
    }

    public void init() {
        JPanel panel = new Exercicio3_5Panel();
        getContentPane().add(panel);
    }
}

class Exercicio3_5Panel extends JPanel {
   

   
    public Exercicio3_5Panel() {
        setPreferredSize(new Dimension(400, 400));
        setBackground(Color.black);
       
    }

    public void paintComponent(Graphics g) {
        super.paintComponent(g);
        Graphics2D g2 = (Graphics2D) g;
        
        Rectangle2D rect = new Rectangle2D.Double(50, 50, 100, 100);
        Polygon poly = new Polygon();
        for (int i = 0; i < 8; i++) {
            poly.addPoint((int) (100 + 150 * Math.cos(i * 2 * Math.PI / 8)),
                    (int) (100 + 150 * Math.sin(i * 2 * Math.PI / 8)));
        }

        Area a1 = new Area(rect);
        Area a2 = new Area(poly);
        a2.subtract(a1);

        g2.translate(100, 100);
        g2.setColor(Color.blue);
        g2.fill(a2);
        
        
        AffineTransform trans = new AffineTransform();
        g2.setClip(trans.createTransformedShape(a2));
        g2.setFont(new Font("Arial", Font.BOLD, 100));
        g2.rotate(-Math.PI / 4);
        g2.setColor(Color.RED);
        g2.drawString("Java 2D", -150, 150);
        
    }
}