1 /*
 2  * Program to paint concentric squares...
 3  */
 4 package npw;
 5 
 6 import java.awt.Color;
 7 import java.util.Scanner;
 8 import javax.swing.JOptionPane;
 9 import painter.SPainter;
10 import shapes.SSquare;
11 
12 /**
13  *
14  * @author evankemp
15  */
16 public class Stella {
17 
18     /**
19      * @param args the command line arguments
20      */
21     public static void main(String[] args) {
22         double squareSide = 700;
23         Color color1 = getColor();
24         Color color2 = getColor();
25         int concentricNr = getNumber("Number of concentric squares");
26         SSquare square = new SSquare(squareSide);
27 
28         SPainter me = new SPainter("Stella", 800, 800);
29         paintTheImage(square, color1, color2, concentricNr, me);
30     }
31 
32     private static Color getColor() {
33         int rv = (int) (Math.random() * 256);
34         int gv = (int) (Math.random() * 256);
35         int bv = (int) (Math.random() * 256);
36         return new Color(rv, gv, bv);
37     }
38 
39     private static int getNumber(String prompt) {
40         String nss = JOptionPane.showInputDialog(null, prompt + "?");
41         Scanner scanner = new Scanner(nss);
42         return scanner.nextInt();
43     }
44 
45     private static void paintTheImage(SSquare square, Color color1, Color color2, int concentricNr, SPainter me) {
46         double shrinkBy = square.side() / concentricNr;
47         int i = 1;
48         while (i <= concentricNr) {
49             if (i % 2 == 0) {
50                 me.setColor(color1);
51             } else {
52                 me.setColor(color2);
53             }
54             me.paint(square);
55             square.shrink(shrinkBy);
56             i = i + 1;
57         }
58     }
59 
60 }
61