1    /* 
2     * Invention 2 Uses a while and if statement to draw a different image each time using only rectangles 
3     */
4    
5    
6    package npw;
7    import java.awt.Color;
8    import java.util.Random;
9    import javax.swing.SwingUtilities;
10   import painter.SPainter;
11   import shapes.SCircle;
12   import shapes.SRectangle;
13   import shapes.SSquare;
14   public class Invention2 {
15       // REQUIRED INFRASTRUCTURE
16       public Invention2() {
17           paintTheImage();
18       }
19   
20   
21       // THE PAINTER DOING ITS THING
22       private void paintTheImage() {
23           SPainter painter = new SPainter("Invention2", 600, 600);
24           paintBackground(painter);
25           int nrOfRect = 4;
26           paintRectangles(painter, nrOfRect);
27       }
28   
29       private void paintBackground(SPainter painter) {
30           painter.setColor(Color.BLACK);
31           SSquare back = new SSquare(2000);
32           painter.paint(back);
33       }
34   
35       private void paintRectangles(SPainter painter, int nrOfRect) {
36   
37           int i = 1;
38           while (i <= nrOfRect) {
39               paintOneRect(painter);
40               i = i + 1;
41           }
42       }
43   
44       private static Color randomColor() {
45           Random rgen = new Random();
46           int r = rgen.nextInt(256);
47           int g = rgen.nextInt(256);
48           int b = rgen.nextInt(256);
49           return new Color ( r, g , b);
50   
51   
52       }
53   
54       private void paintOneRect(SPainter painter) {
55           Color color1 = randomColor();
56           Color color2 = randomColor();
57           Random rgen = new Random();
58           int rn = rgen.nextInt(3);
59           if (rn == 0) {                                ///Generates random colors for 3/4 of rectangles
60               painter.setColor(color1);
61           } else if (rn == 1) {
62               painter.setColor(color2);
63           } else
64               painter.setColor(new Color(255, 255, 23));
65   
66   
67           int rectH = 50;
68           int rectW = 20;
69           SRectangle rectangle = new SRectangle(rectH,rectW);
70           painter.mfd(rectangle.height());
71           painter.tr();
72           painter.paint(rectangle);
73           painter.setColor(Color.BLACK);
74           painter.draw(rectangle);
75       }
76       public static void main(String[] args) {
77           SwingUtilities.invokeLater(new Runnable() {
78               public void run() {
79                   new Invention2();
80               }
81           });
82       }
83   }
84