1    package j2d.edge.gabor; 
2     
3     
4    import futils.Futil; 
5     
6    import java.awt.*; 
7    import java.io.File; 
8    import java.util.Observable; 
9    import java.util.Observer; 
10    
11   public class GaborPanel extends Panel 
12           implements Observer { 
13    
14       private GaborCanvas spaceCanvas = new GaborCanvas(); 
15       //private GaborCanvas fourierCanvas = new GaborCanvas(); 
16       private FilterCanvas originalImage = new FilterCanvas(); 
17    
18    
19       // 24 angles at 15 degee increments 
20       private GaborCanvas spaceArray[] = new GaborCanvas[18]; 
21    
22       // This is the delta theta for the gabor subband. 
23       private double angleIncrement = 180.0 / spaceArray.length; 
24    
25       private int kernelSize = 7;//used to be 7 
26       private GaborParams gaborParams = new GaborParams(); 
27    
28       public GaborParams getParams() { 
29           return gaborParams; 
30       } 
31    
32       public GaborPanel(Image img) { 
33           originalImage.setImage(img); 
34       } 
35    
36       public GaborPanel() { 
37    
38       } 
39    
40       public FilterCanvas[] getFilters() { 
41           return filters; 
42       } 
43    
44       public static Frame getGaborFrame() { 
45           Frame f = new Frame(); 
46           GaborPanel gaborPanel = new GaborPanel(); 
47           f.setLayout(new BorderLayout()); 
48           f.add(gaborPanel, BorderLayout.CENTER); 
49           gaborPanel.init(); 
50           f.show(); 
51           f.setSize(200, 200); 
52           return f; 
53       } 
54    
55       public Image getGaborImage() { 
56           return spaceCanvas.getImage(); 
57       } 
58    
59       public static void main(String[] args) { 
60           getGaborFrame(); 
61       } 
62    
63       public void save() { 
64           File fn = Futil.getWriteFile("select fn.gz"); 
65    
66           for (int i = 0; i < spaceArray.length; i++) { 
67               GaborCanvas gc = spaceArray[i]; 
68               String f = fn.getAbsolutePath() + i; 
69               gc.saveAsJava(new File(f)); 
70           } 
71       } 
72    
73    
74       public void init() { 
75           new GaborView(gaborParams); 
76           setLayout(new GridLayout(6, 0)); 
77    
78           filters = new FilterCanvas[spaceArray.length]; 
79           for (int i = 0; i < spaceArray.length; i++) { 
80               spaceArray[i] = new GaborCanvas(); 
81               add(spaceArray[i]); 
82    
83           } 
84    
85           gaborParams.addObserver(this); 
86    
87           for (int i = 0; i < spaceArray.length; i++) { 
88               filters[i] = new FilterCanvas(); 
89               //filters[i].convolution(originalImage.getImage(), spaceArray[i].getKernel()); 
90               add(filters[i]); 
91    
92           } 
93           update(null, null); 
94    
95    
96       } 
97    
98       FilterCanvas filters[]; 
99    
100      private Panel create_panel(String string, String string_0_) { 
101          Panel panel = new Panel(); 
102          panel.setLayout(new GridLayout(3, 0)); 
103          Label label = new Label(string); 
104          label.setAlignment(1); 
105          panel.add(label); 
106   
107          return panel; 
108      } 
109   
110   
111      public void update(Observable o, Object arg) { 
112          spaceCanvas.ComputeImageArrays(kernelSize, gaborParams.getLambda(), 
113                  gaborParams.getTheta(), gaborParams.getPhi(), 
114                  gaborParams.getGamma_val(), gaborParams.getSigma()); 
115          //fourierCanvas.ComputeImageArrays(kernelSize, gaborParams.getLambda(), 
116          //        gaborParams.getTheta(), gaborParams.getPhi_val(), 
117          //        gaborParams.getGamma_val(), gaborParams.getSigma()); 
118   
119          spaceCanvas.drawImage("space"); 
120          //fourierCanvas.drawImage("fourier"); 
121   
122          for (int i = 0; i < spaceArray.length; i++) { 
123              GaborCanvas gc = spaceArray[i]; 
124              gc.ComputeImageArrays(kernelSize, gaborParams.getLambda(), 
125                      i * angleIncrement, gaborParams.getPhi(), 
126                      gaborParams.getGamma_val(), gaborParams.getSigma()); 
127              gc.drawImage("space"); 
128              filters[i].convolution(originalImage.getImage(), spaceArray[i].getKernel()); 
129          } 
130      } 
131   
132  } 
133