creaImageIOSimpleView.cpp

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/*
# ---------------------------------------------------------------------
#
# Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image 
#                        pour la Santé)
# 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 "creaImageIOSimpleView.h"
#include "boost/filesystem/operations.hpp"
#include "boost/filesystem/fstream.hpp"

namespace creaImageIO
{
        bool SimpleView::readFile(std::vector<std::string> i_filenames, std::vector<vtkImageData *> &i_img)
        {
                        bool bresult, bfinal = true;
                        ImageReader *mReader = new ImageReader();
                        std::vector<std::string>::iterator it = i_filenames.begin();
                        for (; it != i_filenames.end(); it++)
                        {
                                bresult = mReader->CanRead((*it).c_str());
                                if(bresult)
                                {
                                        i_img.push_back(mReader->ReadImage((*it).c_str()));
                                } else {
                                        printf("ERROR. Impossible to read file %s\n", (*it).c_str() );
                                        bfinal = false;
                                } // if
                        } // for
                        delete mReader;
                        return bfinal;  
        }


        bool SimpleView::readDirectory(const std::string i_pathname, std::vector<vtkImageData *> &i_imgs)
        {
                        bool bresult = true;
                        ImageReader *mReader = new ImageReader();
                        std::vector<std::string> names;
                        bresult = boost::filesystem::exists( i_pathname );
                        if (bresult)
                        {
                                boost::filesystem::directory_iterator itr(i_pathname);
                                boost::filesystem::directory_iterator end_itr; 
                                for(;itr != end_itr; ++itr)
                                {
                                        if (!boost::filesystem::is_directory(itr->status()))
                                        {
                                                if( mReader->CanRead(itr->path().string()) )
                                                {
                                                        names.push_back(itr->path().string()); 
                                                }
                                        }
                                }
                                std::sort (names.begin(), names.end()); // make sure names are in lexicographical order
                                int lgr = (int)names.size();
                                
                                for(int i=0; i<lgr; i++)
                                {
                                   std::cout << names[i] << std::endl;
                                   i_imgs.push_back( mReader->ReadImage(names[i]) );  
                                }                       
                        }
                        return bresult;
        }
}