itkAnalyzeImageIO.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef __itkAnalyzeImageIO_h
#define __itkAnalyzeImageIO_h


#include <fstream>
#include "itkImageIOBase.h"
#include "itkAnalyzeDbh.h"

namespace itk
{
class ITK_EXPORT AnalyzeImageIO:public ImageIOBase
{
public:
  typedef AnalyzeImageIO       Self;
  typedef ImageIOBase          Superclass;
  typedef SmartPointer< Self > Pointer;

  itkNewMacro(Self);

  itkTypeMacro(AnalyzeImageIO, Superclass);

  /*-------- This part of the interfaces deals with reading data. ----- */

  virtual bool CanReadFile(const char *FileNameToRead);

  virtual void ReadImageInformation();

  virtual void Read(void *buffer);

  /*-------- This part of the interfaces deals with writing data. ----- */

  virtual bool CanWriteFile(const char *FileNameToWrite);

  virtual void WriteImageInformation();

  virtual void Write(const void *buffer);

  virtual std::vector< double > GetDirection(unsigned int i) const;

  virtual std::vector< double > GetDefaultDirection(unsigned int i) const;

protected:
  AnalyzeImageIO();
  ~AnalyzeImageIO();
  void PrintSelf(std::ostream & os, Indent indent) const;

private:
  typedef enum {

    } ValidAnalyzeOrientationFlags;

  AnalyzeImageIO(const Self &); //purposely not implemented
  void operator=(const Self &); //purposely not implemented

  void SwapBytesIfNecessary(void *buffer, SizeType numberOfPixels);

  void SwapHeaderBytesIfNecessary(struct dsr *const imageheader);

  void  DefineHeaderObjectDataType(void);

#if defined( REORIENT_IMAGES )
  void ReorientIfNecessary(char *p);

  struct ipl_dimensions {
    unsigned int slicestride;
    unsigned int rowstride;
    unsigned int componentstride; x
    unsigned int pixelsize;
    //
    // xsize,ysize,zsize == size in each direction in pixesls
    unsigned int xsize;
    unsigned int ysize;
    unsigned int zsize;
  };
  void GetAllDimensions(ipl_dimensions & dim);

  ipl_dimensions m_OldDim, m_NewDim;
#endif

  ImageIOBase::ByteOrder CheckAnalyzeEndian(const struct dsr & temphdr);

  struct dsr             m_Hdr;
  ImageIOBase::ByteOrder m_MachineByteOrder;
};
extern const char *const ANALYZE_ScanNumber;
extern const char *const ANALYZE_O_MAX;
extern const char *const ANALYZE_O_MIN;
extern const char *const ANALYZE_S_MAX;
extern const char *const ANALYZE_S_MIN;
extern const char *const ANALYZE_CAL_MAX;
extern const char *const ANALYZE_CAL_MIN;
extern const char *const ANALYZE_GLMAX;
extern const char *const ANALYZE_GLMIN;
extern const char *const ANALYZE_AUX_FILE_NAME;
extern const char *const ANALYZE_CALIBRATIONUNITS;
} // end namespace itk

#endif // __itkAnalyzeImageIO_h