src2/creaImageIOGimmickView.cpp

   1 #include <creaImageIOGimmickView.h>
   2 #include <creaImageIOSystem.h>
   3
   4 #include "boost/filesystem.hpp"
   5
   6 namespace fs = boost::filesystem;
   7
   8 namespace creaImageIO
   9 {
  10
  11   //======================================================================
  12   // CTor
  13   GimmickView::GimmickView(Gimmick* gimmick, int threads)
  14     : mGimmick(gimmick),
  15           mReader(threads)
  16   {
  17     GimmickDebugMessage(1,"GimmickView::GimmickView"
  18                         <<std::endl);
  19         // Anciently started the threads ...
  20     // Threads now automatically start at first image request
  21     //mReader.Start();
  22
  23   }
  24   //======================================================================
  25
  26   //======================================================================
  27   /// Destructor
  28   GimmickView::~GimmickView()
  29   {
  30     GimmickDebugMessage(1,"GimmickView::~GimmickView"
  31                         <<std::endl);
  32   }
  33    //======================================================================
  34
  35   //======================================================================
  36   /// Initializes the view :
  37   /// Creates the TreeViews for all the TreeHandler of the Controller
  38   ///
  39   void GimmickView::Initialize()
  40   {
  41           row="";
  42           col="";
  43           plane="";
  44           selectionSize=0;
  45   }
  46   //======================================================================
  47
  48   //======================================================================
  49   /// Finalize
  50   void GimmickView::Finalize()
  51   {
  52   }
  53
  54   //======================================================================
  55
  56   //======================================================================
  57   /// Create the tree views
  58   void GimmickView::CreateTreeViews()
  59   {
  60     GimmickMessage(2,"Creating the tree views"<<std::endl);
  61     Gimmick::TreeHandlerMapType::const_iterator i;
  62     for (i = mGimmick->GetTreeHandlerMap().begin();
  63          i!= mGimmick->GetTreeHandlerMap().end();
  64          ++i)
  65       {
  66         this->CreateTreeView(i->second);
  67       }
  68   }
  69   //======================================================================
  70
  71   //======================================================================
  72   /// Updates the TreeView of given name from level l to bottom
  73   /// (calls the virtual method TreeView::Update())
  74   void GimmickView::UpdateTreeViewLevel(const std::string& t, int l)
  75   {
  76     TreeViewMapType::iterator i;
  77     i = GetTreeViewMap().find(t);
  78     if ( i == GetTreeViewMap().end() )
  79       {
  80         GimmickError("INTERNAL ERROR : GimmickView::UpdateTreeView : '"
  81                      <<t<<"' is not in TreeViewMap");
  82       }
  83     i->second->UpdateLevel(l);
  84   }
  85   //======================================================================
  86   /// Clears the status and begins a new selection process
  87   void GimmickView::ClearStatus()
  88   {
  89           row="";
  90           col="";
  91           plane="";
  92           selectionSize=0;
  93           valid=true;
  94   }
  95   //======================================================================
  96   ///Validates the dimension compliance of the images with the maximum and
  97   ///minimum given, and between their sizes
  98   bool GimmickView::ValidateSelected (tree::Node* sel, int min_dim, int max_dim)
  99   {
 100         GimmickMessage(2,"Validating selected"<<std::endl);
 101         std::string mMessage;
 102         if(sel==0)
 103         {
 104                 mMessage="Cannot have 0 images selected!";
 105                 valid=false;
 106         }
 107         if(valid)
 108         {
 109         selectionSize++;
 110           /*// EED validate all
 111           mValidationSignal(valid);
 112           return valid;*/
 113
 114         int level;
 115
 116
 117         if(row.compare("")==0 || col.compare("")==0)
 118         {
 119                 row=(*sel).GetAttribute("D0028_0010");
 120                 col=(*sel).GetAttribute("D0028_0011");
 121                 plane=(*sel).GetAttribute("D0028_0012");
 122                 level=(*sel).GetLevel();
 123         }
 124         else
 125         {
 126                 if(((*sel).GetAttribute("D0028_0010"))!=row ||
 127                         ((*sel).GetAttribute("D0028_0011"))!=col ||
 128                         ((*sel).GetAttribute("D0028_0012"))!=plane)
 129                         {
 130                                 mMessage="The selected images are not compatible.";
 131                                 valid=false;
 132                         }
 133         }
 134
 135
 136                 //Dimention validation
 137                 //Compatibility with maximum and minimum
 138                         if(valid)
 139                         {
 140
 141                                 int rows;
 142                                 int cols;
 143                                 int planes;
 144                                 std::string s;
 145                                 std::istringstream t(s);
 146                                 s=row;
 147                                 t >> rows;
 148                                 if(row==""){rows=1;}
 149                                 s=col;
 150                                 t >> cols;
 151                                 if(col==""){cols=1;}
 152                                 s=plane;
 153                                 t >> planes;
 154                                 if(plane==""){planes=1;}
 155
 156                                 int dim = 0;
 157                                 if (planes>1) dim=3;
 158                                 else if (cols>1) dim=2;
 159                                 else if (rows>1) dim=1;
 160
 161                                 if (dim == 0)
 162                                 {
 163                                         mMessage="Unknown image dimension : cannot select !";
 164                                         valid= false;
 165                                 }
 166                                 else if (dim>max_dim)
 167                                 {
 168                                         mMessage="Selecting ";
 169                                         mMessage+=dim;
 170                                         mMessage+="D images is not allowed !";
 171                                         valid= false;
 172                                 }
 173                                 if ( dim == max_dim )
 174                                 {
 175                                         mMessage="Cannot add this image to selection : would result in a ";
 176                                         mMessage+=(dim+1);
 177                                         mMessage+="D image!";
 178
 179                                         valid= false;
 180                                 }
 181                                 if ( dim < min_dim )
 182                                 {
 183                                         GimmickMessage(1, "State Check: Dim: "
 184                                                 <<dim
 185                                                 <<" Dim min:"
 186                                                 <<min_dim
 187                                                 <<std::endl);
 188                                         mMessage="Cannot build the selection as it would result in a ";
 189                                         std::string a;
 190                                         std::stringstream out;
 191                                         out<<dim;
 192                                         a=out.str();
 193                                         mMessage+=a;
 194                                         mMessage+="D image, and the minimum is ";
 195                                         out<<min_dim;
 196                                         a=out.str();
 197                                         mMessage+=a;
 198                                         mMessage+="D!";
 199                                         valid= false;
 200                                 }
 201                         }
 202
 203
 204         if(valid)
 205         {
 206                 mMessage="Selection OK !";
 207         }
 208         }
 209         mValidationSignal(valid);
 210         SetMessage(mMessage);
 211         return valid;
 212   }
 213
 214    //======================================================================
 215
 216    //======================================================================
 217   ///Reads Images (Non Threaded)
 218   void GimmickView::ReadImagesNotThreaded(std::vector<vtkImageData*>& s,std::vector<tree::Node*> im, int dimension)
 219   {
 220
 221         // Create the output data
 222         if (im.size()==1)
 223       {
 224
 225                 // Only one image : give it
 226                 vtkImageData* out = vtkImageData::New();
 227                 GimmickMessage(1, "State Check: Full Filename: "
 228                                                 <<im.front()->GetAttribute("FullFileName")
 229                                                 <<std::endl);
 230                 out->ShallowCopy(mReader.GetImage(im.front()->GetAttribute("FullFileName")));
 231                 s.push_back( out );
 232       }
 233
 234     else if (im.size()>1)
 235       {
 236         vtkImageData* first = mReader.GetImage( im.front()->GetAttribute("FullFileName"));
 237         if (dimension==2)
 238           {
 239             // n2D to 3D
 240             vtkImageData* out = vtkImageData::New();
 241             out->CopyStructure(first);
 242             out->SetScalarType(first->GetScalarType());
 243             int ext[6];
 244             first->GetExtent(ext);
 245             ext[5] = im.size();
 246             out->SetExtent(ext);
 247             // LG : TODO : Z Spacing  ?
 248
 249             out->AllocateScalars();
 250
 251             //first->Print(std::cout);
 252             //      out->Print(std::cout);
 253
 254             int dim[3];
 255             first->GetDimensions(dim);
 256             unsigned long imsize =
 257               ( (unsigned long)first->GetScalarPointer(0,1,0)
 258                 - (unsigned long)first->GetScalarPointer(0,0,0))
 259               *dim[1];
 260
 261             int slice = 0;
 262                 std::vector<tree::Node*>::iterator it;
 263             for (it=im.begin(); it!=im.end(); ++it)
 264               {
 265                 //std::cout << "copying slice "<<slice <<std::endl;
 266                           vtkImageData* cur = mReader.GetImage( (*it)->GetAttribute("FullFileName"));
 267
 268                 void* src = cur->GetScalarPointer(0,0,0);
 269                 void* dst = out->GetScalarPointer(0,0,slice);
 270                 //              std::cout << "src="<<src<<std::endl;
 271                 //              std::cout << "dst="<<dst<<std::endl;
 272                 //              std::cout << "siz="<<imsize<<std::endl;
 273                 memcpy(dst,src,imsize);
 274
 275                 slice++;
 276               }
 277             s.push_back(out);
 278           }
 279         else
 280           {
 281             // n3D
 282                   std::vector<tree::Node*>::iterator it;
 283             for (it=im.begin(); it!=im.end(); ++it)
 284               {
 285                 vtkImageData* out = vtkImageData::New();
 286                 out->ShallowCopy(mReader.GetImage((*it)->GetAttribute("FullFileName")));
 287                 s.push_back(out);
 288               }
 289           }
 290       }
 291
 292   }
 293   //======================================================================
 294
 295   //======================================================================
 296   ///Requests the reading of an image
 297   void GimmickView::RequestReading(tree::Node* n,
 298                                    int prio, int selection_index, ImagePointerHolder *p)
 299   {
 300         mReader.Start();
 301     ImageEventType t(n,selection_index, p);
 302     mImageEventMap[n->GetAttribute("FullFileName")] = t;
 303     mReader.Request(this,n->GetAttribute("FullFileName"),prio);
 304   }
 305   //======================================================================
 306
 307   //======================================================================
 308   void GimmickView::
 309   OnMultiThreadImageReaderEvent(const std::string& filename,
 310                                 MultiThreadImageReaderUser::EventType e,
 311                                 vtkImageData* image)
 312   {
 313     GimmickDebugMessage(7,
 314                         "MultiThreadImageReader event : "<<e<<std::endl);
 315         if (e==ImageLoaded)
 316         {
 317     if (filename.size()==0)
 318       {
 319                   //What to do in this case?
 320                   /*
 321                 GimmickDebugMessage(5,
 322                                         "Pushing unknown image in queue"
 323                                         <<std::endl);
 324                 mImageEventQueue.push_back(ImageEventType(image));*/
 325                 return;
 326       }
 327     ImageEventTypeMap::iterator i;
 328     i = mImageEventMap.find(filename);
 329     if (i!=mImageEventMap.end())
 330       {
 331                 GimmickDebugMessage(5,
 332                                         "Putting image of file '"<<filename<<"' on pointer"
 333                                         <<std::endl);
 334                 ImageEventType ie(i->second);
 335                 ie.image = image;
 336                 ie.pointerHolder->Set(ie.image);
 337                 //mImageEventMap.erase(i);
 338       }
 339         }
 340         else if (e==Error)
 341         {
 342                 std::string mess="ERROR: MultiThreadImageReader: Cannot read image in file ";
 343                 mess+=filename;
 344                 mess+="\n";
 345                 GimmickMessage(1,mess);
 346                 ImageEventTypeMap::iterator i;
 347                 i = mImageEventMap.find(filename);
 348                 if (i!=mImageEventMap.end())
 349                 {
 350                 ImageEventType ie(i->second);
 351                 ie.image = image;
 352                 ie.pointerHolder->Set(GetDefaultImage());
 353                 //mImageEventMap.erase(i);
 354                 }
 355         }
 356
 357         else if (e==ImageUnloaded)
 358         {
 359                 std::string mess="Unloaded image in file ";
 360                 mess+=filename;
 361                 mess+="\n";
 362                 GimmickMessage(1,mess);
 363                                 ImageEventTypeMap::iterator i;
 364                 i = mImageEventMap.find(filename);
 365                 if (i!=mImageEventMap.end())
 366                 {
 367                 ImageEventType ie(i->second);
 368                 ie.image = image;
 369                 ie.pointerHolder->Set(GetDefaultImage());
 370                 //mImageEventMap.erase(i);
 371                 }
 372
 373         }
 374   }
 375
 376   //====================================================================
 377
 378   //====================================================================
 379   void GimmickView::ConnectValidationObserver(ValidationCallbackType callback)
 380   {
 381     mValidationSignal.connect(callback);
 382   }
 383
 384
 385 } // EO namespace creaImageIO
 386
 387