1    /* 
2    This program paints an image subject for constraints. 
3    */
4    package npw;
5    import java.awt.*;
6    import javax.swing.SwingUtilities;
7    import java.util.Random;
8    import painter.SPainter;
9    import shapes.SRectangle;
10   
11   public class Invention2 {
12       private void paintTheImage() {
13           SPainter painter = new SPainter("Invention 2", 700, 700);
14           Random randomNum = new Random();
15           painter.setBrushWidth(3);
16           int i = 1;
17           while (i <= 100) {
18               int recHeight = randomNum.nextInt(200);
19               int recWidth = randomNum.nextInt(200);
20               if (recHeight < 50) {
21                   recHeight = 50;
22               }
23               if (recWidth < 50) {
24                   recWidth = 50;
25               }
26               SRectangle rec = new SRectangle(recHeight, recWidth);
27               painter.setColor(randomColor());
28               painter.paint(rec);
29               painter.setColor(Color.BLACK);
30               painter.draw(rec);
31               randomMovement(painter, randomNum);
32               i = i + 1;
33           }
34       }
35   
36       private void randomMovement(SPainter painter, Random randomNum) {
37           int move = randomNum.nextInt(400);
38           painter.moveToCenter();
39           painter.mfd(move);
40           move = randomNum.nextInt(400);
41           painter.mbk(move);
42           move = randomNum.nextInt(400);
43           painter.mrt(move);
44           move = randomNum.nextInt(400);
45           painter.mlt(move);
46       }
47   
48       private static Color randomColor() {
49           Random rgen = new Random();
50           int r = rgen.nextInt(256);
51           int g = rgen.nextInt(256);
52           int b = rgen.nextInt(256);
53           return new Color(r,g,b);
54       }
55   
56       public Invention2() {
57           paintTheImage();
58       }
59   
60       public static void main(String[] args) {
61           SwingUtilities.invokeLater(new Runnable() {
62               public void run() {
63                   new Invention2();
64               }
65           });
66       }
67   }
68   
69   
70