igstkImageReader.h

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/*=========================================================================

  Program:   Image Guided Surgery Software Toolkit
  Module:    $RCSfile: igstkImageReader.h,v $
  Language:  C++
  Date:      $Date: 2008-02-11 01:41:50 $
  Version:   $Revision: 1.7 $

  Copyright (c) ISC  Insight Software Consortium.  All rights reserved.
  See IGSTKCopyright.txt or http://www.igstk.org/copyright.htm 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.

=========================================================================*/
#ifndef __igstkImageReader_h
#define __igstkImageReader_h

#include "igstkMacros.h"
#include "igstkStateMachine.h"
#include "igstkObject.h"

#include "itkImageSpatialObject.h"

namespace igstk
{
 
namespace Friends 
{

class ImageReaderToImageSpatialObject
{
public:

  template < class TReader, class TImageSpatialObject >
  static void 
  ConnectImage( const TReader * reader, 
                TImageSpatialObject * imageSpatialObject )
    {
    imageSpatialObject->RequestSetImage( reader->GetITKImage() );  
    }

}; // end of ImageReaderToImageSpatialObject class

} // end of Friend namespace


  
template < class TImageSpatialObject >
class ImageReader : public Object
{

public:

  igstkStandardTemplatedAbstractClassTraitsMacro( ImageReader, Object )

public:

  typedef TImageSpatialObject                   ImageSpatialObjectType;  

  igstkFriendClassMacro( igstk::Friends::ImageReaderToImageSpatialObject );

protected:

  ImageReader();
  ~ImageReader();

  void PrintSelf( std::ostream& os, ::itk::Indent indent ) const;

  void ConnectImage();

  typedef typename ImageSpatialObjectType::ImageType  ImageType;
  typedef typename ImageType::ConstPointer            ImagePointer;
  typedef typename ImageType::RegionType              ImageRegionType; 

  typename ImageSpatialObjectType::Pointer   m_ImageSpatialObject;

private:
  
  ImageReader(const Self&);         //purposely not implemented
  void operator=(const Self&);      //purposely not implemented

  // FIXME : This must be replaced with StateMachine logic
  virtual const ImageType * GetITKImage() const = 0;

};

} // end namespace igstk

#ifndef IGSTK_MANUAL_INSTANTIATION
#include "igstkImageReader.txx"
#endif

#endif // __igstkImageReader_h