java-scuola/7.x/P7.18 Polygon/PolygonComponent.java

35 lines
1.1 KiB
Java

import java.awt.Graphics;
import java.awt.Graphics2D;
import javax.swing.JComponent;
import java.awt.geom.Point2D;
/**
* Classe che estende JComponent per creare un componente Cloud
* @author radaelli11353
*/
public class PolygonComponent extends JComponent {
/**
* Metodo paintComponent che si occupa di disegnare un poligono
* @param g Contesto grafico
*/
public void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
Polygon quadrato = new Polygon(4);
Polygon pentagono = new Polygon(5);
quadrato.add(new Point2D.Double(0, 0));
quadrato.add(new Point2D.Double(50, 0));
quadrato.add(new Point2D.Double(50, 50));
quadrato.add(new Point2D.Double(0, 50));
pentagono.add(new Point2D.Double(100, 100));
pentagono.add(new Point2D.Double(70, 80));
pentagono.add(new Point2D.Double(50, 50));
pentagono.add(new Point2D.Double(150, 70));
pentagono.add(new Point2D.Double(120, 100));
quadrato.draw(g2);
pentagono.draw(g2);
}
}