/*=========================================================================
                                                                                
  Program:   bbtk
  Module:    $RCSfile: bbitkImageSeriesReader.cxx,v $
  Language:  C++
  Date:      $Date: 2008/05/16 14:03:19 $
  Version:   $Revision: 1.4 $
                                                                                
  Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
  l'Image). All rights reserved. See Doc/License.txt or
  http://www.creatis.insa-lyon.fr/Public/bbtk/License.html for details.
                                                                                
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notices for more information.
                                                                                
=========================================================================*/
/**
 *  \file 
 *  \brief 
 */
#ifdef _USE_ITK_

#include "bbitkImageSeriesReader.h"
#include "bbitkPackage.h"
#include "itkImageSeriesReader.h"

namespace bbitk 
{
  BBTK_BLACK_BOX_IMPLEMENTATION(ImageSeriesReader,bbtk::AtomicBlackBox);
  
  BBTK_ADD_BLACK_BOX_TO_PACKAGE(itk,ImageSeriesReader);




  void ImageSeriesReader::Read()
  {
    const std::vector<std::string>& filenames = bbGetInputFileNames();
    if (!filenames.size()) 
      {
	typedef	Image_uint8_t_2_ptr itype;
	Image_uint8_t_2::Pointer p = Image_uint8_t_2::New();
	Image_uint8_t_2::IndexType i;
	i.Fill(0);
	Image_uint8_t_2::SizeType s;
	s.Fill(1);
	Image_uint8_t_2::RegionType r(i,s);
	p->SetRegions(r);
	p->Allocate();
	p->Register();
	bbSetOutputOut(p.GetPointer());
	return;
  	//bbtkError("Void vector passed to "<<bbGetFullName());
      }

    std::string filename = filenames[0];

    itk::ImageIOBase::Pointer genericReader = 
      itk::ImageIOFactory::CreateImageIO(filename.c_str(), 
					 itk::ImageIOFactory::ReadMode);
    if (!genericReader)
      {
	bbtkError(bbGetFullName()<<" : File format unknown (while reading \"" << filename << "\")");
      }
    genericReader->SetFileName(filename.c_str());
    genericReader->ReadImageInformation();  
    
    bbtk::TypeInfo typ = GetITKImagePtrTypeInfoFromPixelTypeInfoAndDimension(genericReader->GetComponentTypeInfo(), genericReader->GetNumberOfDimensions());
    
    BBTK_TEMPLATE_ITK_IMAGE_SWITCH(typ,Read);
  
  }



  /** 
      Template Processing 
  */
  template<class T>
  void ImageSeriesReader::Read()
  {
    bbtkDebugMessageInc("Core",9,"bbitk::ImageSeriesReader<"
			<<bbtk::TypeName<T>()
			<<">::Read()"<<std::endl);



    typedef T itkImageType;
    typedef itk::ImageSeriesReader< itkImageType > itkReaderType;

    typename itkReaderType::Pointer reader = itkReaderType::New();
    const std::vector<std::string>& filenames = bbGetInputFileNames();
    reader->SetFileNames(filenames);
    try { reader->Update(); }
    catch( std::exception& e ) 
      {
	bbtkError("could not read image series : "<<e.what());
      }

    reader->GetOutput()->Register();
    //    if (bbGetOutputOut()) 
    bbSetOutputOut ( reader->GetOutput() );

    bbtkDebugDecTab("Core",9);
  }






}
// eo namespace bbtk

#endif