1    /* 
2     * A program that uses one rectangle, a while statment, and an if statement. A different image is created each time it is run. 
3     */
4    
5    package npw;
6    
7    import painter.SPainter;
8    import shapes.SRectangle;
9    
10   import javax.swing.*;
11   import java.awt.*;
12   import java.util.Random;
13   
14   public class Invention2 {
15   
16       //REQUIRED INFRASTRUCTURE
17   
18       public Invention2() {
19           paintTheImage();
20       }
21   
22       public static void main(String[] args) {
23           SwingUtilities.invokeLater(new Runnable() {
24               public void run() {
25                   new Invention2();
26               }
27           });
28       }
29   
30   
31   
32       private void paintTheImage() {
33           SPainter painter = new SPainter("Invention2", 600, 600);
34           int nrOfRectangles = 1000;
35           paintRectangles(painter,nrOfRectangles); //
36       }
37   
38   
39       private void paintRectangles(SPainter painter, int nrOfRectangles) {
40           int i = 1;
41           while ( i <= nrOfRectangles) {
42               paintOneRectangle(painter);
43               i = i + 1;
44           }
45       }
46   
47       private void paintOneRectangle(SPainter painter) {
48           Random rgen = new Random();
49           int rn = rgen.nextInt(3);
50           if (rn == 0 ) {
51               painter.setColor(Color.PINK);
52           } else if (rn ==1) {
53               painter.setColor(Color.GREEN);
54           } else {
55               painter.setColor(Color.BLACK);
56           }
57           painter.move();
58           SRectangle rectangle = new SRectangle(20, 50);
59           painter.paint(rectangle);
60           painter.setColor(Color.GRAY);
61           painter.draw(rectangle);
62       }
63   }
64