/home/slang/XVision2/src/Tracking/XVTracker.icc Source File

00001 // *** BEGIN_XVISION2_COPYRIGHT_NOTICE ***
00002 // *** END_XVISION2_COPYRIGHT_NOTICE ***
00003 
00004 
00005 template <class SRC, class FEATURE>
00006 typename FEATURE::STATE XVTracker<SRC, FEATURE>::nextState() throw (XVTrackerException) {
00007   
00008   source.next_frame_continuous();
00009   return feature.step(source.current_frame());
00010 };
00011 
00012 template <class SRC, class FEATURE>
00013 void XVTracker<SRC, FEATURE>::track() throw(XVTrackerException) {
00014     
00015   while(1){
00016     
00017     source.next_frame_continuous();
00018     feature.step(source.current_frame());
00019   }
00020 };
00021 
00022 template <class SRC, class WIN, class FEATURE>
00023 typename FEATURE::STATE XVDisplayTracker<SRC, WIN, FEATURE>::init(){
00024 
00025   window.map();
00026 
00027   source.next_frame_continuous();
00028 
00029   window.CopySubImage(&(source.current_frame()));
00030   window.swap_buffers();
00031   window.flush();
00032 
00033   STATE s = feature.interactiveInit(window, source.current_frame());
00034   window.setCOPY();
00035   return s;
00036 };
00037 
00038 template <class SRC, class WIN, class FEATURE>
00039 void XVDisplayTracker<SRC, WIN, FEATURE>::track() throw(XVTrackerException) {
00040 
00041   while(1){
00042     
00043     source.next_frame_continuous();
00044 
00045     for(int i = 0; i < stepsPerFrame; ++i){
00046       feature.step(source.current_frame());
00047     }
00048 
00049     window.CopySubImage(&source.current_frame());
00050     
00051     if(feature.inView()) feature.show(window);
00052     
00053     window.swap_buffers();
00054     window.flush();
00055   }
00056 };
00057 
00058 template <class SRC, class WIN, class FEATURE>
00059 typename FEATURE::STATE XVDisplayTracker<SRC, WIN, FEATURE>::nextState() throw (XVTrackerException) {
00060   
00061   source.next_frame_continuous();
00062   
00063   typename FEATURE::STATE st;
00064   for(int i = 0; i < stepsPerFrame; ++i){
00065     st = feature.step(source.current_frame());
00066   }
00067 
00068   window.CopySubImage(&source.current_frame());
00069   
00070   if(feature.inView()) feature.show(window);
00071 
00072   window.swap_buffers();
00073   window.flush();
00074   
00075   return st;
00076 };