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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
*
* \brief This class is intended to make the connection between the ImageReader
* and its output, the ImageSpatialObject.
*
* With this class it is possible to enforce encapsulation of the Reader and
* the ImageSpatialObject, and make their GetImage() and SetImage() methods
* private, so that developers cannot gain access to the ITK or VTK layers of
* these two classes.
*
*/
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
/** \class ImageReader
*
* \brief This class is a base class for all image reader classes.
*
* This class reads image data stored in files and outputs
* image spatial object. This class is templated over pixeltype and dimension
* parameters
*
* \ingroup Object
*/
template < class TImageSpatialObject >
class ImageReader : public Object
{
public:
/** Macro with standard traits declarations. */
igstkStandardTemplatedAbstractClassTraitsMacro( ImageReader, Object )
public:
/** Some convenient typedefs for input image */
typedef TImageSpatialObject ImageSpatialObjectType;
/** Declare the ImageReaderToImageSpatialObject class to be a friend
* in order to give it access to the private method GetITKImage(). */
igstkFriendClassMacro( igstk::Friends::ImageReaderToImageSpatialObject );
protected:
ImageReader();
~ImageReader();
/** Print the object information in a stream. */
void PrintSelf( std::ostream& os, ::itk::Indent indent ) const;
/** Connect the ITK image to the output ImageSpatialObject */
void ConnectImage();
/** Some convenient typedefs for internal ITK image.
* These types must not be exposed in the API of this class. */
typedef typename ImageSpatialObjectType::ImageType ImageType;
typedef typename ImageType::ConstPointer ImagePointer;
typedef typename ImageType::RegionType ImageRegionType;
typename ImageSpatialObjectType::Pointer m_ImageSpatialObject;
private:
/** These two methods must be declared and note be implemented
* in order to enforce the protocol of smart pointers. */
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
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