1    /* 
2    * Program to paint an image subject to set constraints. 
3    */
4    
5    package npw;
6    
7    import java.awt.*;
8    import javax.swing.SwingUtilities;
9    import java.util.Random;
10   import painter.SPainter;
11   import shapes.SRectangle;
12   
13   public class Invention2 {
14   
15       private void paintTheImage() {
16           SPainter painter = new SPainter("Invention 2", 700, 700);
17           Random randomNum = new Random();
18           painter.setBrushWidth(2);
19           int i = 1;
20           while (i <= 100) {
21               int recHeight = randomNum.nextInt(200);
22               int recWidth = randomNum.nextInt(200);
23               if (recHeight < 50) {
24                   recHeight = 50;
25               }
26               if (recWidth < 50) {
27                   recWidth = 50;
28               }
29               SRectangle rec = new SRectangle(recHeight, recWidth);
30               painter.setColor(randomColor());
31               painter.paint(rec);
32               painter.setColor(Color.RED);
33               painter.draw(rec);
34               randomMovement(painter, randomNum);
35               i = i + 1;
36           }
37       }
38   
39       private void randomMovement(SPainter painter, Random randomNum) {
40           int move = randomNum.nextInt(400);
41           painter.moveToCenter();
42           painter.mfd(move);
43           move = randomNum.nextInt(400);
44           painter.mbk(move);
45           move = randomNum.nextInt(400);
46           painter.mrt(move);
47           move = randomNum.nextInt(400);
48           painter.mlt(move);
49       }
50   
51       private static Color randomColor() {
52           Random rgen = new Random();
53           int r = rgen.nextInt(256);
54           int g = rgen.nextInt(256);
55           int b = rgen.nextInt(256);
56           return new Color(r,g,b);
57       }
58   
59       public Invention2() {
60           paintTheImage();
61       }
62   
63       public static void main(String[] args) {
64           SwingUtilities.invokeLater(new Runnable() {
65               public void run() {
66                   new Invention2();
67               }
68           });
69       }
70   }
71