#2458 creaImageIO Feature New Normal - UnMosaic Images SimpleView Gimick

[creaImageIO.git] / src / creaImageIOUnMosaicVtkImageData.cpp

diff --git a/src/creaImageIOUnMosaicVtkImageData.cpp b/src/creaImageIOUnMosaicVtkImageData.cpp
new file mode 100644 (file)
index 0000000..6160106
--- /dev/null
+++ b/src/creaImageIOUnMosaicVtkImageData.cpp
@@ -0,0 +1,132 @@
+/*
+# ---------------------------------------------------------------------
+#
+# Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
+#                        pour la Sante)
+# Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
+# Previous Authors : Laurent Guigues, Jean-Pierre Roux
+# CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
+#
+#  This software is governed by the CeCILL-B license under French law and
+#  abiding by the rules of distribution of free software. You can  use,
+#  modify and/ or redistribute the software under the terms of the CeCILL-B
+#  license as circulated by CEA, CNRS and INRIA at the following URL
+#  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
+#  or in the file LICENSE.txt.
+#
+#  As a counterpart to the access to the source code and  rights to copy,
+#  modify and redistribute granted by the license, users are provided only
+#  with a limited warranty  and the software's author,  the holder of the
+#  economic rights,  and the successive licensors  have only  limited
+#  liability.
+#
+#  The fact that you are presently reading this means that you have had
+#  knowledge of the CeCILL-B license and that you accept its terms.
+# ------------------------------------------------------------------------
+*/
+
+#include "creaImageIOUnMosaicVtkImageData.h"
+#include <math.h>
+
+
+namespace creaImageIO
+{
+
+// ------------------------------------------------------------------------
+creaImageIOUnMosaicVtkImageData::creaImageIOUnMosaicVtkImageData()
+{
+}
+
+// ------------------------------------------------------------------------
+creaImageIOUnMosaicVtkImageData::~creaImageIOUnMosaicVtkImageData()
+{
+}
+
+// ------------------------------------------------------------------------
+std::vector<vtkImageData*> creaImageIOUnMosaicVtkImageData::unMosaicVectorVtkImageData (std::vector<vtkImageData*> imageInput, std::vector<int> NbImagesInMosaicVector)
+{
+       std::vector<int> nbImagesInMosaic;
+
+       for(int i = 0; i < NbImagesInMosaicVector.size(); i++)
+       {
+               nbImagesInMosaic.push_back(NbImagesInMosaicVector[i]);
+       }
+
+       if(imageInput.size() != NbImagesInMosaicVector.size())  
+       {
+               for(int j = NbImagesInMosaicVector.size(); j < imageInput.size(); j++)  
+               {       
+                       nbImagesInMosaic.push_back( NbImagesInMosaicVector[NbImagesInMosaicVector.size()-1] );
+               }
+       }
+       
+       if ( nbImagesInMosaic.size()==0 ) 
+   {
+               std::cout << "VtkUnMosaicVectorVtkImageData ERROR: The number of Images by mosaic is not set " << std::endl; 
+       }
+
+       std::vector<vtkImageData*> imageIn = imageInput;
+
+       std::vector<vtkImageData*> mImageOut;
+       for (int i = 0 ; i < (unsigned int)imageIn.size() ; i++) 
+       {
+                       mImageOut.push_back( unMosaic(imageIn[i], nbImagesInMosaic[i]) );
+       }
+
+       return mImageOut;       
+}
+
+
+// ------------------------------------------------------------------------
+vtkImageData * creaImageIOUnMosaicVtkImageData::unMosaic(vtkImageData *imageIn, int numberOfImagesInMosaic)
+{
+       int nbImagesPerRow = ceil( sqrt(numberOfImagesInMosaic) );
+   int inputdims[3];
+   int outputdims[3];
+   imageIn->GetDimensions (inputdims);
+   unsigned short *input = (unsigned short *)(imageIn->GetScalarPointer());
+   imageIn->Update();
+     
+   unsigned int div = (unsigned int)ceil(sqrt( (double)numberOfImagesInMosaic ) );
+   outputdims[0] = inputdims[0] / div;
+   outputdims[1] = inputdims[1] / div;
+   outputdims[2] = numberOfImagesInMosaic;
+ 
+    vtkImageData *vtkImageOut;
+    vtkImageOut = vtkImageData::New();
+    vtkImageOut->SetDimensions( outputdims );
+    vtkImageOut->SetExtent(0,outputdims[0]-1,0,outputdims[1]-1,0,outputdims[2]-1);
+    vtkImageOut->SetWholeExtent(0,outputdims[0]-1,0,outputdims[1]-1,0,outputdims[2]-1);
+    vtkImageOut->SetNumberOfScalarComponents(1);
+//vtkImageOut->SetSpacing( blabla );
+    vtkImageOut->SetScalarType( VTK_UNSIGNED_SHORT );
+    vtkImageOut->AllocateScalars();
+    vtkImageOut->Update();
+    
+    unsigned short *output =(unsigned short *)(vtkImageOut->GetScalarPointer());
+
+    unsigned short *dest = output;
+    int dimXImageElem = outputdims[0];
+    int dimYImageElem = outputdims[1];
+    int lgrImage = dimXImageElem*dimYImageElem;
+    int debImage;
+    int i,j;
+    for (i=0; i<numberOfImagesInMosaic; i++)
+//      for (i=numberOfImagesInMosaic-1; i>=0; i--)
+    {
+       debImage=(i/nbImagesPerRow) * lgrImage*nbImagesPerRow + (i%nbImagesPerRow)*dimXImageElem;
+       for(j=0; j<dimYImageElem; j++)
+//       for(int j=dimYImageElem-1; j>=0; j--)
+       {
+          memcpy(dest, input+debImage, dimXImageElem*sizeof(unsigned short));
+          debImage += dimXImageElem*nbImagesPerRow;
+          dest += dimXImageElem;
+       }
+    }
+    return  vtkImageOut;    
+}
+
+
+} // namespace creaImageIO
+
+