1    package j2d.edge; 
2     
3    import gui.run.RunButton; 
4    import gui.run.RunSlider; 
5    import j2d.ComparisonUtils; 
6    import j2d.ImageBeanInterface; 
7    import j2d.ImageProcessListener; 
8    import j2d.ImageProcessorFactory; 
9    import j2d.animation.AnimationDialog; 
10    
11   import javax.swing.*; 
12   import java.awt.*; 
13    
14    
15   public class CannyPanel extends JPanel { 
16    
17    
18       private int widGaussianKernel = 15; 
19       private int thresh1 = 50; 
20       private int thresh2 = 230; 
21       private int thresh = 128; 
22       private float sigma = 1.0f; 
23    
24    
25       ImageProcessListener ipl = null; 
26    
27       /**Construct the frame*/ 
28       public CannyPanel(ImageProcessListener _ipl) { 
29           ipl = _ipl; 
30           initGuiElements(); 
31    
32       } 
33    
34       private JPanel getButtonPanel() { 
35           JPanel jp = new JPanel(); 
36           jp.setLayout(new FlowLayout()); 
37           jp.add(new RunButton("apply") { 
38               public void run() { 
39                   updateImage(); 
40               } 
41           }); 
42           jp.add(new RunButton("Reset") { 
43               public void run() { 
44                   ipl.update(null); 
45               } 
46           }); 
47           jp.add(new RunButton("comparison") { 
48               public void run() { 
49                   ImageProcessorFactory ipf = new CannyProcessor( 
50                           thresh1, 
51                           thresh2, 
52                           thresh, 
53                           widGaussianKernel, 
54                           sigma); 
55                   ComparisonUtils.showComparisonFrame( 
56                           getComparisonPanel(ipf)); 
57               } 
58           }); 
59           jp.add(new RunButton("save gifs") { 
60               public void run() { 
61                   saveGifs(); 
62               } 
63           }); 
64           return jp; 
65       } 
66    
67       private void saveGifs() { 
68           ImageProcessorFactory ipf = new CannyProcessor( 
69                   thresh1, 
70                   thresh2, 
71                   thresh, 
72                   widGaussianKernel, 
73                   sigma); 
74    
75           ImageBeanInterface origImagePanel = 
76                   (ImageBeanInterface) ipl; 
77           new AnimationDialog(origImagePanel.getImage(), 
78                   ipf); 
79    
80    
81       } 
82    
83       /**Component initialization*/ 
84       private void initGuiElements() { 
85           RunSlider rs[] = { 
86               RunSlider.getLabeledSlider("kernel", 
87                       new RunSlider(3, 40, 15) { 
88                           public void run() { 
89                               widGaussianKernel = getValue(); 
90                           } 
91                       }), 
92    
93               RunSlider.getLabeledSlider("sigma", 
94                       new RunSlider(1, 10, 1) { 
95                           public void run() { 
96                               sigma = getValue(); 
97                           } 
98                       }), 
99    
100   
101              RunSlider.getLabeledSlider("Thresh1", 
102                      new RunSlider(1, 255, thresh1) { 
103                          public void run() { 
104                              thresh1 = getValue(); 
105                          } 
106                      }), 
107   
108              RunSlider.getLabeledSlider("Thresh2", 
109                      new RunSlider(1, 255, thresh2) { 
110                          public void run() { 
111                              thresh2 = getValue(); 
112                          } 
113                      }), 
114   
115              RunSlider.getLabeledSlider("Threshold", 
116                      new RunSlider(1, 255, 128) { 
117                          public void run() { 
118                              thresh = getValue(); 
119                          } 
120                      }), 
121   
122          }; 
123          JPanel labelPanel = new JPanel(); 
124          JPanel sliderPanel = new JPanel(); 
125          labelPanel.setLayout(new GridLayout(0, 1)); 
126          sliderPanel.setLayout(new GridLayout(0, 1)); 
127          for (int i = 0; i < rs.length; i++) { 
128              labelPanel.add(rs[i].getValueLabel()); 
129              sliderPanel.add(rs[i]); 
130          } 
131          setLayout(new BorderLayout()); 
132          add(labelPanel, BorderLayout.EAST); 
133          add(sliderPanel, BorderLayout.CENTER); 
134          add(getButtonPanel(), BorderLayout.SOUTH); 
135   
136      } 
137   
138      public JPanel getComparisonPanel(ImageProcessorFactory ipf) { 
139   
140          ImageBeanInterface origImagePanel = 
141                  (ImageBeanInterface) ipl; 
142          Image sourceImage = origImagePanel.getImage(); 
143          return ComparisonUtils.getComparisonPanel( 
144                  sourceImage, ipf); 
145   
146      } 
147   
148   
149      public void updateImage() { 
150          ipl.update(new CannyProcessor( 
151                  thresh1, 
152                  thresh2, 
153                  thresh, 
154                  widGaussianKernel, 
155                  sigma 
156          )); 
157      } 
158   
159   
160  } 
161