Java tutorial
import java.awt.BasicStroke; import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.awt.FontMetrics; import java.awt.GradientPaint; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.RenderingHints; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.awt.geom.Arc2D; import java.awt.geom.Ellipse2D; import java.awt.geom.GeneralPath; import java.awt.geom.Line2D; import java.awt.geom.Rectangle2D; import java.awt.geom.RoundRectangle2D; import javax.swing.JApplet; import javax.swing.JFrame; public class GeneralPathDemo2D extends JApplet { public void init() { setBackground(Color.white); setForeground(Color.white); } public void paint(Graphics g) { Graphics2D g2 = (Graphics2D) g; g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2.setPaint(Color.gray); int x = 5; int y = 7; // draw GeneralPath (polygon) int xPoints[] = { x, 200, x, 200 }; int yPoints[] = { y, 200, 200, y }; GeneralPath polygon = new GeneralPath(GeneralPath.WIND_EVEN_ODD, xPoints.length); polygon.moveTo(xPoints[0], yPoints[0]); for (int index = 1; index < xPoints.length; index++) { polygon.lineTo(xPoints[index], yPoints[index]); } polygon.closePath(); g2.draw(polygon); g2.drawString("GeneralPath", x, 250); } public static void main(String s[]) { JFrame f = new JFrame(""); f.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } }); JApplet applet = new GeneralPathDemo2D(); f.getContentPane().add("Center", applet); applet.init(); f.pack(); f.setSize(new Dimension(300, 300)); f.show(); } }