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

  Program:   Visualization Toolkit
  Module:    vtkNIFTIImageWriter.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/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 notice for more information.

=========================================================================*/
#ifndef vtkNIFTIImageWriter_h
#define vtkNIFTIImageWriter_h

#include "vtkIOImageModule.h" // For export macro
#include "vtkImageWriter.h"

class vtkMatrix4x4;
class vtkNIFTIImageHeader;

class VTKIOIMAGE_EXPORT vtkNIFTIImageWriter : public vtkImageWriter
{
public:

  static vtkNIFTIImageWriter *New();
  vtkTypeMacro(vtkNIFTIImageWriter, vtkImageWriter);

  virtual void PrintSelf(ostream& os, vtkIndent indent);


  vtkSetMacro(NIFTIVersion, int);
  vtkGetMacro(NIFTIVersion, int);


  vtkSetStringMacro(Description);
  vtkGetStringMacro(Description);


  vtkGetMacro(TimeDimension, int);
  vtkSetMacro(TimeDimension, int);
  vtkGetMacro(TimeSpacing, double);
  vtkSetMacro(TimeSpacing, double);


   vtkSetMacro(RescaleSlope, double);
   vtkGetMacro(RescaleSlope, double);
   vtkSetMacro(RescaleIntercept, double);
   vtkGetMacro(RescaleIntercept, double);


  vtkSetMacro(QFac, double);
  vtkGetMacro(QFac, double);


  void SetQFormMatrix(vtkMatrix4x4 *);
  vtkMatrix4x4 *GetQFormMatrix() { return this->QFormMatrix; }


  void SetSFormMatrix(vtkMatrix4x4 *);
  vtkMatrix4x4 *GetSFormMatrix() { return this->SFormMatrix; }


  void SetNIFTIHeader(vtkNIFTIImageHeader *hdr);
  vtkNIFTIImageHeader *GetNIFTIHeader();

protected:
  vtkNIFTIImageWriter();
  ~vtkNIFTIImageWriter();

  int GenerateHeader(vtkInformation *info, bool singleFile);


  virtual int RequestData(vtkInformation *request,
                          vtkInformationVector** inputVector,
                          vtkInformationVector* outputVector);


  static char *ReplaceExtension(
    const char *fname, const char *ext1, const char *ext2);


  int TimeDimension;
  double TimeSpacing;


  double RescaleIntercept;
  double RescaleSlope;

  double QFac;


  vtkMatrix4x4 *QFormMatrix;
  vtkMatrix4x4 *SFormMatrix;

  char *Description;


  vtkNIFTIImageHeader *NIFTIHeader;
  vtkNIFTIImageHeader *OwnHeader;
  int NIFTIVersion;

private:
  vtkNIFTIImageWriter(const vtkNIFTIImageWriter&);  // Not implemented.
  void operator=(const vtkNIFTIImageWriter&);  // Not implemented.
};

#endif // vtkNIFTIImageWriter_h