1    /* 
2     * This program fills the screen with alternating rows of circles and squares 
3     */
4    
5    
6    package npw;
7    
8    import java.awt.Color;
9    import javax.swing.SwingUtilities;
10   
11   import painter.SPainter;
12   import shapes.SSquare;
13   import shapes.SCircle;
14   
15   public class Invention1 {
16   
17       private void paintTheImage(){
18           // Dimensional Variables
19           double scaling = 6.0;
20           int width = 600;
21           int height = 600;
22           double radius = (width / scaling) / 2.0;
23           double side = width / scaling;
24   
25           // Object Initialization
26           SCircle circle = new SCircle(radius);
27           SSquare square = new SSquare(side);
28           SPainter klee = new SPainter("Invention 1",width ,height);
29           klee.setColor(Color.green);
30   
31           // Repositions Painter
32           klee.mlt((klee.canvasWidth() / 2.0) - (side / 2.0));
33           klee.mfd((klee.canvasHeight() / 2.0) - (side / 2.0));
34   
35   
36           // Proceeds to Paint Pattern
37           paintPattern(scaling, circle, square, klee);
38       }
39   
40   
41       private void paintPattern(double scaling, SCircle circle, SSquare square, SPainter klee){
42   
43           // Paints Alternating Rows of Squares and Circles
44           int i = 0;
45           while(i < scaling){
46               if(i % 2 == 0) {
47                   paintRowSquare(scaling, circle, square, klee);
48               }else{
49                   paintRowCircle(scaling, circle, square, klee);
50               }
51   
52               // Invariance of Painter Position
53               klee.mbk(square.side());
54               klee.mlt(scaling * square.side());
55               i++;
56           }
57       }
58   
59       // Paints Row Starting with Square
60       private void paintRowSquare(double scaling, SCircle circle, SSquare square, SPainter klee){
61           for(int i = 0; i < scaling; i++){
62               if(i % 2 == 0) {
63                   klee.paint(square);
64               }else{
65                   klee.paint(circle);
66               }
67               klee.mrt(square.side());
68           }
69       }
70   
71       // Paints Row Starting with Circle
72       private void paintRowCircle(double scaling, SCircle circle, SSquare square, SPainter klee){
73           for(int i = 0; i < scaling; i++){
74               if(i % 2 == 0) {
75                   klee.paint(circle);
76               }else{
77                   klee.paint(square);
78               }
79               klee.mrt(square.side());
80           }
81       }
82   
83       // REQUIRED INFRASTRUCTURE //
84       public Invention1(){
85           paintTheImage();
86       }
87   
88       public static void main(String[] args){
89           SwingUtilities.invokeLater(new Runnable() {
90               @Override
91               public void run() {
92                   new Invention1();
93               }
94           });
95       }
96   }
97