1    /* 
2     * Created by DocJava, Inc. 
3     * User: lyon 
4     * Date: Mar 2, 2003 
5     * Time: 5:12:56 PM 
6     */ 
7    package j2d.hpp; 
8     
9    import j2d.ImageUtils; 
10   import gui.run.RunSlider; 
11   import j2d.ImageProcessListener; 
12    
13   import javax.swing.*; 
14   import java.awt.*; 
15    
16    
17   public class GreyHppFilter3Panel 
18           extends JPanel { 
19       private float ar = 1; 
20       private float ag = 1; 
21       private float ab = 1; 
22       ImageProcessListener ipl = null; 
23    
24    
25       public GreyHppFilter3Panel(ImageProcessListener _ipl) { 
26           ipl = _ipl; 
27    
28           setLayout(new FlowLayout()); 
29           add(new RunSlider(1, 100, 50) { 
30               public void run() { 
31                   ar = scaleSlider(getValue()); 
32                   updateImage(); 
33               } 
34           }); 
35           add(new RunSlider(1, 100, 50) { 
36               public void run() { 
37                   ag = scaleSlider(getValue()); 
38                   updateImage(); 
39               } 
40           }); 
41           add(new RunSlider(1, 100, 50) { 
42               public void run() { 
43                   ab = scaleSlider(getValue()); 
44                   updateImage(); 
45               } 
46           }); 
47       } 
48    
49       private void updateImage() { 
50           ipl.update(ImageUtils.getLinearCombineBandsProcessor(ar, ag, ab)); 
51    
52       } 
53    
54       public static float scaleSlider(int t) { 
55           return (float) (t / 50f); 
56       } 
57   } 
58