1    // Glenn Josefiak 
2    // Fairfield University 
3    // SW513 
4    // Spring 2003 
5     
6    package j2d.gui; 
7     
8    import gui.run.ObservableSliderBank; 
9     
10   import javax.swing.*; 
11   import java.awt.*; 
12    
13   /** 
14    * A JInternalFrame containing controls for brightness 
15    * and contrast adjustment. 
16    */ 
17   public class LinearMappingToolbox extends JInternalFrame { 
18       private ObservableSliderBank sbkLMSliders; 
19       private JButton btnACL; // automatic contrast control 
20    
21       /** 
22        * Create a new LinearMappingToolbox 
23        */ 
24       public LinearMappingToolbox() { 
25           Container c; 
26    
27           sbkLMSliders = new ObservableSliderBank(2); 
28           sbkLMSliders.setSliderLabel(0, "Brightness"); 
29           sbkLMSliders.setSliderRange(0, -200f, 200f); 
30           sbkLMSliders.setTickLabel(0, -200f, "-200"); 
31           sbkLMSliders.setTickLabel(0, 0f, "0"); 
32           sbkLMSliders.setTickLabel(0, 200f, "200"); 
33    
34           sbkLMSliders.setSliderLabel(1, "Contrast"); 
35           sbkLMSliders.setSliderRange(1, 0.2f, 5f); 
36           sbkLMSliders.setTickLabel(1, 0.2f, "0.2"); 
37           sbkLMSliders.setTickLabel(1, 1f, "1"); 
38           sbkLMSliders.setTickLabel(1, 5f, "5"); 
39    
40           btnACL = new JButton("Auto-adjust"); 
41    
42           c = getContentPane(); 
43           c.setLayout(new BorderLayout()); 
44           c.add(sbkLMSliders, BorderLayout.CENTER); 
45    
46           JPanel x = new JPanel(); 
47           x.setLayout(new FlowLayout(FlowLayout.RIGHT)); 
48           x.add(btnACL); 
49           c.add(x, BorderLayout.SOUTH); 
50    
51           setTitle("Linear Mapping"); 
52           pack(); 
53           setClosable(true); 
54           setMaximizable(false); 
55           setResizable(false); 
56       } 
57    
58       /** 
59        * Return a handle to the slider bank on the control panel. 
60        * 
61        * @return A reference to an ObservableSliderBank 
62        */ 
63       public ObservableSliderBank getSliderBank() { 
64           return sbkLMSliders; 
65       } 
66    
67       /** 
68        * Return a handle to the button on the control panel. 
69        * 
70        * @return A reference to a JButton. 
71        */ 
72       public JButton getButton() { 
73           return btnACL; 
74       } 
75   } 
76