1    package j2d.edge; 
2     
3    import gui.run.RunButton; 
4    import gui.run.RunCheckBox; 
5    import gui.run.RunSlider; 
6    import j2d.ComparisonUtils; 
7    import j2d.ImageBeanInterface; 
8    import j2d.ImageProcessListener; 
9    import j2d.ImageProcessorFactory; 
10    
11   import javax.swing.*; 
12   import java.awt.*; 
13    
14    
15   public class SobelPanel extends JPanel { 
16    
17    
18       private int a = 1; 
19       private boolean isX = true; 
20    
21       ImageProcessListener ipl = null; 
22    
23       /**Construct the frame*/ 
24       public SobelPanel(ImageProcessListener _ipl) { 
25           ipl = _ipl; 
26           initGuiElements(); 
27    
28       } 
29    
30       /**Component initialization*/ 
31       private void initGuiElements() { 
32           setLayout(new FlowLayout()); 
33    
34           add(new RunButton("apply") { 
35               public void run() { 
36                   updateImage(); 
37               } 
38           }); 
39           add(new RunButton("Reset") { 
40               public void run() { 
41                   ipl.update(null); 
42               } 
43           }); 
44           add(new RunCheckBox() { 
45               public void run() { 
46                   isX = !isX; 
47               } 
48           }); 
49           add(new RunSlider(1, 10, 1) { 
50               public void run() { 
51                   a = this.getValue(); 
52                   updateImage(); 
53               } 
54           }); 
55    
56           add(new RunButton("comparison") { 
57               public void run() { 
58                   ImageProcessorFactory ipf = 
59                           new SobelProcessor(a, isX); 
60                   ComparisonUtils.showComparisonFrame( 
61                           getComparisonPanel(ipf)); 
62               } 
63           }); 
64       } 
65    
66       public JPanel getComparisonPanel(ImageProcessorFactory ipf) { 
67    
68           ImageBeanInterface origImagePanel = (ImageBeanInterface) ipl; 
69           Image sourceImage = origImagePanel.getImage(); 
70           return ComparisonUtils.getComparisonPanel(sourceImage, ipf); 
71    
72       } 
73    
74       public void updateImage() { 
75           ipl.update(new SobelProcessor(a, isX)); 
76    
77       } 
78    
79    
80   } 
81