import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.awt.Graphics2D;
import java.awt.geom.*; 
import java.awt.geom.Point2D.Float; 


/**
 * Draws triangle with thick border in window coordinates + rect and translated rect.
 *
 * @author Bob Futrelle
 * @version 0.2, 6 April 2003
 *
 */
 
 public class SDDrawer extends JPanel {

	 /** 
	 * Translate a point.
	 */
	public Point2D.Float addP2(Point2D.Float p1, Point2D.Float p2) {
		return new Point2D.Float(p1.x + p2.x, p1.y + p2.y);
	}

	 /**
	  * Draw and fill a Rectangle
	  */
	 public void drawRec(Graphics2D g2,
			Point2D.Float p1,
			Point2D.Float p2,
			Point2D.Float p3,
			Point2D.Float p4){
		GeneralPath pth1 = new GeneralPath();
		pth1.moveTo(p1.x,p1.y);
		pth1.lineTo(p2.x,p2.y); 
		pth1.lineTo(p3.x,p3.y); 
		pth1.lineTo(p4.x,p4.y); 
		pth1.closePath();
		g2.fill(pth1);
		} // drawRec

 	public void paintComponent(Graphics g) {
		Graphics2D g2 = (Graphics2D) g;
	// create a triangle that should have the peak at the top.
		GeneralPath pth = new GeneralPath();
		pth.moveTo(200,200); // "top" peak of triangle
		pth.lineTo(100,150); // "lower" left corner
		pth.lineTo(300,150); // "lower" right corner
		pth.closePath(); // back to "top"
		g2.setPaint(Color.red);
		g2.fill(pth); // fill with red
		g2.setStroke(new BasicStroke(3)); // make border path wide
		g2.setPaint(Color.green); // outline with green
		g2.draw(pth);
		
	// Create a rectangle and a translated version.
		Point2D.Float p1 = new Point2D.Float(350,100);
		Point2D.Float p2 = new Point2D.Float(450,100);
		Point2D.Float p3 = new Point2D.Float(450,150);
		Point2D.Float p4 = new Point2D.Float(350,150);
		drawRec(g2,p1,p2,p3,p4);
		
		Point2D.Float delP = new Point2D.Float(200,0);
		p1 = addP2(p1,delP);
		p2 = addP2(p2,delP);
		p3 = addP2(p3,delP);
		p4 = addP2(p4,delP);
		drawRec(g2,p1,p2,p3,p4);
	 }
 
 			
 } // class SDDrawer