1    /** 
2     * Created by IntelliJ IDEA. 
3     * User: dlyon 
4     * Date: Feb 2, 2004 
5     * Time: 3:59:59 PM 
6     * To change this template use Options | File Templates. 
7     */ 
8    package bookExamples.ch26Graphics; 
9     
10   import java.awt.*; 
11   import java.awt.geom.Point2D; 
12    
13   public class PlotPoint2D { 
14       Fcn1 f = null; 
15    
16       PlotPoint2D(Fcn1 f) { 
17           this.f = f; 
18       } 
19    
20       public void plotLine(Point2D p1, Point2D p2, Graphics g) { 
21           g.drawLine((int) p1.getX(), 
22                   (int) p1.getY(), 
23                   (int) p2.getX(), 
24                   (int) p2.getY()); 
25       } 
26    
27       public void paint(Graphics g) { 
28           Point2D p1 = f.getPoint(0); 
29           for (double t = 0; t <= 1.01; t = t + 0.01) { 
30               Point2D p2 = f.getPoint(t); 
31               plotLine(p1, p2, g); 
32               p1 = p2; 
33           } 
34       } 
35   } 
36