1    package npw;
2    
3    // Imports
4    import java.awt.Color;
5    import javax.swing.SwingUtilities;
6    import painter.SPainter;
7    import shapes.SCircle;
8    
9    public class Dots {
10   
11       // Paints the Image //
12       private void paintTheImage(){
13           // Creates painter
14           SPainter painter = new SPainter("Y",600,600);
15   
16           // Creates dot
17           SCircle dot = new SCircle(50);
18   
19           // Function calls to paint regions of dots
20           paintBottom(painter, dot);
21           paintLeft(painter, dot);
22           paintRight(painter, dot);
23   
24       }
25   
26       // Paints the bottom dots
27       private void paintBottom(SPainter painter, SCircle dot) {
28           // Sets color to blue
29           painter.setColor(Color.BLUE);
30   
31           // Moves the painter the length of the radius above the bottom
32           painter.mbk((painter.canvasHeight() / 2.0) - dot.radius());
33   
34           // Paints the dot
35           painter.paint(dot);
36   
37           // Moves the painter 1/4 the length of the canvas forward
38           painter.mfd(painter.canvasHeight() / 4.0);
39   
40           // Halves the radius of the dot
41           dot.setRadius((int) (dot.radius() / 2));
42   
43           // Paints the dot
44           painter.paint(dot);
45   
46           // Sets color to black
47           painter.setColor(Color.BLACK);
48   
49           // Moves painter to the center and paints the dot
50           painter.moveToCenter();
51           painter.paint(dot);
52   
53       }
54   
55       // Paints the left dots
56       private void paintLeft(SPainter painter, SCircle dot) {
57           // Sets color to green
58           painter.setColor(Color.GREEN);
59   
60           // Moves painter the diameter of the dot left and forward
61           painter.mlt(dot.diameter());
62           painter.mfd(dot.diameter());
63   
64           // Paints the dot
65           painter.paint(dot);
66   
67           // Adds 5 to the dot radius
68           dot.setRadius((int) (dot.radius() + 5));
69   
70           // Moves painter the diameter of the dot left and forward
71           painter.mlt(dot.diameter());
72           painter.mfd(dot.diameter());
73   
74           // Paints the dot
75           painter.paint(dot);
76   
77           // Adds 5 to the radius
78           dot.setRadius((int) (dot.radius() + 5));
79   
80           // Moves painter the diameter of the dot left and forward
81           painter.mlt(dot.diameter());
82           painter.mfd(dot.diameter());
83   
84           // Paints the dot
85           painter.paint(dot);
86   
87           // Invariance of painter position and circle radius
88           painter.moveToCenter();
89           dot.setRadius(25);
90       }
91   
92       // Paints the right dots
93       private void paintRight(SPainter painter, SCircle dot) {
94           // Sets color to red
95           painter.setColor(Color.RED);
96   
97           // Moves painter the diameter of the dot right and forward
98           painter.mrt(dot.diameter());
99           painter.mfd(dot.diameter());
100  
101          // Paints the dot
102          painter.paint(dot);
103  
104          dot.setRadius((int) (dot.radius() + 5));
105  
106          // Moves painter the diameter of the dot right and forward
107          painter.mrt(dot.diameter());
108          painter.mfd(dot.diameter());
109  
110          // Paints the dot
111          painter.paint(dot);
112  
113          // Adds 5 to the dot radius
114          dot.setRadius((int) (dot.radius() + 5));
115  
116          // Moves painter the diameter of the dot right and forward
117          painter.mrt(dot.diameter());
118          painter.mfd(dot.diameter());
119  
120          // Paints the dot
121          painter.paint(dot);
122  
123          // Invariance of painter position and circle radius
124          painter.moveToCenter();
125          dot.setRadius(25);
126      }
127  
128      // REQUIRED INFRASTRUCTURE //
129      public Dots(){
130          paintTheImage();
131      }
132  
133      public static void main(String[] args){
134          SwingUtilities.invokeLater(new Runnable(){
135              public void run(){
136                  new Dots();
137              }
138          });
139      }
140  }
141  
142