X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src2%2FcreaImageIOGimmickView.cpp;h=c24a7c3c3534638640762fc75d1eaaf1e61b3e0f;hb=6cab96fd8ca99341053a1a6f8a9286940c535313;hp=3e958f51b6b53655ed1234faabc17e7d9e5c9f31;hpb=f1caae70392f96f30dd90eb073be6be10fbf1caa;p=creaImageIO.git

diff --git a/src2/creaImageIOGimmickView.cpp b/src2/creaImageIOGimmickView.cpp
index 3e958f5..c24a7c3 100644
--- a/src2/creaImageIOGimmickView.cpp
+++ b/src2/creaImageIOGimmickView.cpp
@@ -1,15 +1,73 @@
 #include <creaImageIOGimmickView.h>
 #include <creaImageIOSystem.h>
 
+#include "boost/filesystem.hpp"
+
+namespace fs = boost::filesystem;
+
 namespace creaImageIO
 {
+
+	///Class used to represent the actual state of the image selected and to perform comparisons on its values
+  class ImageExtent
+  {
+  public:
+    ImageExtent(const std::string& x, const std::string& y, const std::string& z, const std::string& t)
+	{
+		 sscanf(x.c_str(),"%d",&mExtent[0]);
+		 sscanf(y.c_str(),"%d",&mExtent[1]);
+		 sscanf(z.c_str(),"%d",&mExtent[2]);
+		 sscanf(t.c_str(),"%d",&mExtent[3]);
+		 if(x==""){mExtent[0]=1;}
+	     if(y==""){mExtent[1]=1;}
+	     if(z==""){mExtent[2]=1;}
+		 if(t==""){mExtent[3]=1;}
+
+		 if (mExtent[3]>1) mDim=4;
+		 else if (mExtent[2]>1) mDim=3;
+	     else if (mExtent[1]>1) mDim=2;
+	     else if (mExtent[0]>1) mDim=1;
+		 else mDim=0;
+	}
+	
+
+	///Clears the extent
+    void Clear() { mExtent[0] = mExtent[1] = mExtent[2] = mExtent[3] = 1; }
+
+	///Returns true if the two extents are compatible
+    bool IsCompatible( const ImageExtent& );
+
+	///Adds the extent passed as a parameter to the current extent
+    void Add ( const ImageExtent& );
+		
+	///Returns the ieth position of the extent
+    int Get(int i) { return mExtent[i]; }
+    
+	///Returns the dimension of the current image
+    void SetDimension(int dim) { mDim=dim; }
+
+	///Returns the dimension of the current image
+    int GetDimension() { return mDim; }
+
+  private:
+    int mExtent[4];
+    int mDim;
+  };
+
+  //======================================================================
+
   //======================================================================
   // CTor
-  GimmickView::GimmickView(Gimmick* gimmick)
-    : mGimmick(gimmick)
+  GimmickView::GimmickView(Gimmick* gimmick, int threads)
+    : mGimmick(gimmick),
+	  mReader(threads)
   {
     GimmickDebugMessage(1,"GimmickView::GimmickView"
 			<<std::endl);
+	// Anciently started the threads ...
+    // Threads now automatically start at first image request
+    //mReader.Start();
+	
   }
   //======================================================================
 
@@ -28,6 +86,8 @@ namespace creaImageIO
   /// 
   void GimmickView::Initialize()
   {
+	mImageExtent=0;
+	mReaderStarted=false;
   }
   //======================================================================
   
@@ -69,6 +129,303 @@ namespace creaImageIO
     i->second->UpdateLevel(l);    
   }
   //======================================================================
+  /// Clears the status and begins a new selection process
+  void GimmickView::ResetExtent()
+  {
+	  if(mImageExtent!=0)
+	  {
+	  mImageExtent=0;
+	  }
+	  valid=true;
+  }
+
+
+  //======================================================================
+  
+  //======================================================================
+  bool ImageExtent::IsCompatible(const ImageExtent& ie)
+  {
+	  bool compatible=true;
+	  ImageExtent * extent= (ImageExtent*)&ie;
+	  if((*extent).Get(0)!=Get(0)
+		 || (*extent).Get(1)!=Get(1))
+	  {
+		  compatible=false;
+	  }
+	  return compatible;
+  }
+
+  //======================================================================
+  
+  //======================================================================
+  void ImageExtent::Add(const ImageExtent& ie)
+  {
+	  ImageExtent * extent= (ImageExtent*)&ie;
+	  mExtent[2]+=(*extent).Get(2);
+	  SetDimension(3);
+  }
+
+  //======================================================================
+  ///Validates the dimension compliance of the images with the maximum and 
+  ///minimum given, and between their sizes
+  bool GimmickView::ValidateSelected (tree::Node* sel, int min_dim, int max_dim)
+  {
+	GimmickDebugMessage(2,"Validating selected"<<std::endl);
+	std::string mMessage;
+	
+	if(sel==0)
+	{
+		mMessage="Cannot have 0 images selected!";
+		valid=false;
+	}
+	else
+	{
+	ImageExtent* ie=new ImageExtent((*sel).GetAttribute("D0028_0010"),
+			                         (*sel).GetAttribute("D0028_0011"),
+									 (*sel).GetAttribute("D0028_0012"), 
+									 "");
+	if(mImageExtent==0)
+	{
+		mImageExtent=ie;
+		if((mImageExtent->Get(min_dim-1)<2)||(mImageExtent->Get(max_dim)>1))
+		{
+			valid=false;
+		}
+		else
+		{
+			std::stringstream out;
+			out << mImageExtent->GetDimension() << "D image " << mImageExtent->Get(0) << "x"<< mImageExtent->Get(1) << "x"<< mImageExtent->Get(2) <<" selected";
+	        mMessage = out.str();
+			mImageExtent->SetDimension(2);
+			valid=true;
+		}
+	}
+	else
+	{
+		if(mImageExtent->IsCompatible(*ie))
+		{
+			if(mImageExtent->GetDimension()==max_dim && mImageExtent->Get(max_dim)>2)
+			{
+				std::stringstream out;
+				out<<"Cannot add this image to selection : would result in a "<<mImageExtent->GetDimension()+1<<"D image!";
+				mMessage=out.str();
+				valid=false;
+			}
+			else if(max_dim<3)
+			{
+				std::stringstream out;
+				out<<"Selecting "<<mImageExtent->GetDimension()<<"D images is not allowed !";
+				mMessage=out.str();
+				valid=false;
+			}
+			else if(min_dim==3 && (ie->Get(2)+mImageExtent->Get(2))<2)
+			{
+				std::stringstream out;
+				out << "Cannot build the selection as it would result in a ";
+				out << mImageExtent->GetDimension();
+				out << "D image, and the minimum is ";
+				out << min_dim;
+				out << "D!";
+				mMessage=out.str();
+				valid=false;
+			}
+			else
+			{
+            mImageExtent->Add(*ie);
+			std::stringstream out;
+			out << mImageExtent->GetDimension() << "D image " << mImageExtent->Get(0) << "x"<< mImageExtent->Get(1) << "x"<< mImageExtent->Get(2) <<" selected";
+	        mMessage = out.str();
+			}
+			
+		}
+		else
+		{
+			mMessage="The selected images are not compatible.";
+			valid=false;
+		}
+	}
+	}
+
+	
+	mValidationSignal(valid);
+	SetMessage(mMessage);
+	return valid;
+  }
+
+//======================================================================
+
+   //======================================================================
+  ///Reads Images (Non Threaded)
+  void GimmickView::ReadImagesNotThreaded(std::vector<vtkImageData*>& s,std::vector<tree::Node*> im, int dimension)
+  {
+	  
+	// Create the output data
+	if (im.size()==1) 
+      {
+		  
+		// Only one image : give it
+		vtkImageData* out = vtkImageData::New();
+		GimmickMessage(1, "State Check: Full Filename: "
+						<<im.front()->GetAttribute("FullFileName")
+						<<std::endl);
+		out->ShallowCopy(mReader.GetImage(im.front()->GetAttribute("FullFileName")));
+		s.push_back( out );
+      }
+	  
+    else if (im.size()>1)
+      {
+	vtkImageData* first = mReader.GetImage( im.front()->GetAttribute("FullFileName"));
+	if (dimension==2) 
+	  {   	
+	    // n2D to 3D
+	    vtkImageData* out = vtkImageData::New();
+	    out->CopyStructure(first);	
+	    out->SetScalarType(first->GetScalarType());
+	    int ext[6];
+	    first->GetExtent(ext);
+	    ext[5] = im.size();
+	    out->SetExtent(ext);
+	    // LG : TODO : Z Spacing  ?
+	    
+	    out->AllocateScalars();
+	    
+	    //first->Print(std::cout);
+	    //	    out->Print(std::cout);
+	    
+	    int dim[3];
+	    first->GetDimensions(dim);
+	    unsigned long imsize = 
+	      ( (unsigned long)first->GetScalarPointer(0,1,0)
+		- (unsigned long)first->GetScalarPointer(0,0,0))
+	      *dim[1];
+
+	    int slice = 0;
+		std::vector<tree::Node*>::iterator it;
+	    for (it=im.begin(); it!=im.end(); ++it) 
+	      {
+		//std::cout << "copying slice "<<slice <<std::endl;
+			  vtkImageData* cur = mReader.GetImage( (*it)->GetAttribute("FullFileName"));
+		
+		void* src = cur->GetScalarPointer(0,0,0);
+		void* dst = out->GetScalarPointer(0,0,slice);
+		//		std::cout << "src="<<src<<std::endl;
+		//		std::cout << "dst="<<dst<<std::endl;
+		//		std::cout << "siz="<<imsize<<std::endl;
+		memcpy(dst,src,imsize);
+
+		slice++;
+	      }
+	    s.push_back(out);
+	  }
+	else 
+	  {
+	    // n3D
+		  std::vector<tree::Node*>::iterator it;
+	    for (it=im.begin(); it!=im.end(); ++it) 
+	      {
+		vtkImageData* out = vtkImageData::New();
+		out->ShallowCopy(mReader.GetImage((*it)->GetAttribute("FullFileName")));
+		s.push_back(out);
+	      }
+	  }
+      }
+	
+  }
+  //======================================================================
+
+  //======================================================================
+  ///Requests the reading of an image
+  void GimmickView::RequestReading(tree::Node* n, 
+				   int prio, int selection_index, ImagePointerHolder *p)
+  {
+	  if(!mReaderStarted)
+	  {
+		mReader.Start();
+		mReaderStarted=true;
+	  }
+    ImageEventType t(n,selection_index, p);
+    mImageEventMap[n->GetAttribute("FullFileName")] = t;    
+    mReader.Request(this,n->GetAttribute("FullFileName"),prio);
+  }
+  //======================================================================
+
+  //======================================================================
+  void GimmickView::
+  OnMultiThreadImageReaderEvent(const std::string& filename,
+				MultiThreadImageReaderUser::EventType e,
+				vtkImageData* image)
+  {
+    GimmickDebugMessage(7,
+			"MultiThreadImageReader event : "<<e<<std::endl);
+	if (e==ImageLoaded)
+	{
+    if (filename.size()==0)
+      {
+		  //What to do in this case?
+		  /*
+		GimmickDebugMessage(5,
+					"Pushing unknown image in queue"
+					<<std::endl);
+		mImageEventQueue.push_back(ImageEventType(image));*/
+		return;
+      }
+    ImageEventTypeMap::iterator i;
+    i = mImageEventMap.find(filename);
+    if (i!=mImageEventMap.end())
+      {
+		GimmickDebugMessage(5,
+					"Putting image of file '"<<filename<<"' on pointer"
+					<<std::endl);
+		ImageEventType ie(i->second);
+		ie.image = image;
+		ie.pointerHolder->Set(ie.image);
+		//mImageEventMap.erase(i);
+      }
+	}
+	else if (e==Error)
+	{
+		std::string mess="ERROR: MultiThreadImageReader: Cannot read image in file ";
+		mess+=filename;
+		mess+="\n";
+		GimmickMessage(1,mess);
+		ImageEventTypeMap::iterator i;
+		i = mImageEventMap.find(filename);
+		if (i!=mImageEventMap.end())
+		{
+		ImageEventType ie(i->second);
+		ie.image = image;
+		ie.pointerHolder->Set(GetDefaultImage());
+		//mImageEventMap.erase(i);
+		}
+	}
+
+	else if (e==ImageUnloaded)
+	{
+		std::string mess="Unloaded image in file ";
+		mess+=filename;
+		mess+="\n";
+		GimmickMessage(1,mess);
+				ImageEventTypeMap::iterator i;
+		i = mImageEventMap.find(filename);
+		if (i!=mImageEventMap.end())
+		{
+		ImageEventType ie(i->second);
+		ie.image = image;
+		ie.pointerHolder->Set(GetDefaultImage());
+		//mImageEventMap.erase(i);
+		}
+
+	}
+  }
+
+  //====================================================================
+
+  //====================================================================
+  void GimmickView::ConnectValidationObserver(ValidationCallbackType callback)
+  {
+    mValidationSignal.connect(callback);
+  }
+	  
   
 } // EO namespace creaImageIO