1    package ip.gui.frames; 
2     
3    import futils.Ls; 
4    import ip.gui.ImageSequence; 
5     
6    import java.awt.*; 
7    import java.awt.event.ActionEvent; 
8    import java.awt.event.ActionListener; 
9    import java.io.File; 
10   import java.net.MalformedURLException; 
11   import java.net.URL; 
12    
13   public class AnimateFrame 
14           extends ShortCutFrame 
15           implements ActionListener { 
16       private String homeDir = 
17               "http://www.docjava.com/java/images/"; 
18       private String roadImgs = 
19               homeDir + "road.imgs"; 
20    
21       private MenuBar menuBar = new MenuBar(); 
22       Menu fileMenu = getMenu("File"); 
23       Menu openMenu = getMenu("Open"); 
24       MenuItem save_mi 
25               = addMenuItem(fileMenu, "save *.imgs..."); 
26       MenuItem open_mi 
27               = addMenuItem(openMenu, "*.imgs..."); 
28       MenuItem openGifs_mi 
29               = addMenuItem(openMenu, "*.gifs..."); 
30       MenuItem openRoadImgs_mi 
31               = addMenuItem(openMenu, roadImgs); 
32       MenuItem start_mi 
33               = addMenuItem(fileMenu, "start"); 
34       MenuItem stop_mi 
35               = addMenuItem(fileMenu, "stop"); 
36       MenuItem fhaar_mi 
37               = addMenuItem(fileMenu, "forward haar"); 
38       MenuItem bhaar_mi 
39               = addMenuItem(fileMenu, "backward haar"); 
40    
41    
42       public boolean running = true; 
43       private ImageSequence imgSeq 
44               = new ImageSequence(); 
45    
46    
47       public void setRunning(boolean t) { 
48           running = t; 
49       } 
50    
51    
52    
53       public void actionPerformed(ActionEvent e) { 
54           Object c = e.getSource(); 
55    
56           if (c == fhaar_mi) { 
57               fhaar(); 
58               return; 
59           } 
60           if (c == bhaar_mi) { 
61               bhaar(); 
62               return; 
63           } 
64           if (c == openRoadImgs_mi) { 
65               openRoadImgs(); 
66               return; 
67           } 
68           if (c == save_mi) { 
69               saveImages(); 
70               return; 
71           } 
72           if (c == open_mi) { 
73               openImages(); 
74               return; 
75           } 
76           if (c == openGifs_mi) { 
77               openGifs(); 
78               return; 
79           } 
80           if (c == start_mi) { 
81               setRunning(true); 
82               return; 
83           } 
84           if (c == stop_mi) { 
85               setRunning(false); 
86               return; 
87           } 
88    
89       } 
90    
91       public AnimateFrame() { 
92           super("AnimateFrame"); 
93           fileMenu.add(openMenu); 
94           menuBar.add(fileMenu); 
95           setMenuBar(menuBar); 
96           setSize(64, 64); 
97       } 
98    
99       public void fhaar() { 
100          setRunning(false); 
101          imgSeq.forwardHaar(); 
102          setRunning(true); 
103      } 
104   
105      public void bhaar() { 
106          imgSeq.backwardHaar(); 
107      } 
108   
109      public void saveImages() { 
110          imgSeq.save(); 
111      } 
112   
113      public void openImages() { 
114          imgSeq.open(); 
115          setVisible(true); 
116      } 
117   
118      public void openRoadImgs() { 
119          try { 
120              imgSeq.open( 
121                      new URL(roadImgs)); 
122          } catch (MalformedURLException e) { 
123              e.printStackTrace(); 
124          } 
125          setSize(imgSeq.getWidth(), imgSeq.getHeight()); 
126          setVisible(true); 
127          setRunning(true); 
128      } 
129   
130      public void addImage(Image img) { 
131          imgSeq.add(img); 
132          imgSeq.setWidth(img.getWidth(this)); 
133          imgSeq.setHeight(img.getHeight(this)); 
134      } 
135   
136      public void update(Graphics g) { 
137          paint(g); 
138      } 
139   
140   
141      public void paint(Graphics g) { 
142          if (imgSeq.getSize() == 0) return; 
143          if (!running) return; 
144          Rectangle r = getBounds(); 
145          g.drawImage(imgSeq.next(), 0, 0, r.width, r.height, 
146                  this); 
147          repaint(33); 
148      } 
149   
150      void waitForImage(Component component, 
151                        Image image) { 
152          MediaTracker tracker = new MediaTracker(component); 
153          try { 
154              tracker.addImage(image, 0); 
155              tracker.waitForID(0); 
156              if (!tracker.checkID(0)) 
157                  System.out.println("Load failure!"); 
158          } catch (InterruptedException e) { 
159          } 
160      } 
161   
162      public void openGifs(File fileNames[]) { 
163          Toolkit tk = Toolkit.getDefaultToolkit(); 
164          for (int i = 0; i < fileNames.length; i++) { 
165              Image img = tk.getImage(fileNames[i].toString()); 
166              waitForImage(this, img); 
167              addImage(img); 
168          } 
169          setVisible(true); 
170      } 
171   
172      public void openGifs() { 
173          File files[] = Ls.getWildFiles("gif"); 
174          openGifs(files); 
175          setSize(imgSeq.getWidth(), 
176                  imgSeq.getHeight()); 
177      } 
178   
179  } 
180