spmR.h

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/* This software and supporting documentation are distributed by
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 *
 * 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".
 *
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/*
 *  SPM reader class
 */
#ifndef AIMS_IO_SPMR_H
#define AIMS_IO_SPMR_H

#include <aims/memmap/allocator.h>
#include <cartobase/object/object.h>
#include <fstream>
#include <string>


template <typename T> class AimsData;

namespace aims
{
class AffineTransformation3d;
}
typedef aims::AffineTransformation3d Motion;

namespace aims 
{

  template <typename T> class SpmReader;
  class SpmHeader;


  template <class T>
  SpmReader<T>&
  operator >> (SpmReader<T>& reader,
               AimsData<T>& thing);


  template <typename T>
  class SpmReader
  {
  public:
    SpmReader(const std::string& name) 
      : _name( name ) { }
    virtual ~SpmReader() { }
  
    void read(AimsData<T>& thing, const carto::AllocatorContext & context, 
              carto::Object options );
  
    std::string removeExtension(const std::string& name);
  
    friend
    SpmReader<T>& 
    operator >> <> (SpmReader<T>& reader,
                    AimsData<T>& thing);
  
  private:
    void readFrame( std::ifstream &, AimsData<T> & data, int t, 
                    const std::string & type, SpmHeader* hdr, bool bswap, 
                    const Motion & storageToMemory );
    template<typename U> 
    void readScaledFrame( std::ifstream &, AimsData<T> & data, int t, 
                          SpmHeader* hdr, bool bswap,
                          const Motion & storageToMemory );
    std::string _name;
  };


  template <typename T>
  inline
  SpmReader<T>&
  operator >> (SpmReader<T>& reader,
               AimsData<T>& thing)
  {
    reader.read( thing );
    return reader;
  }

}

#endif