itkMINCImageIO.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 itkMINCImageIO_h
#define itkMINCImageIO_h

#include "itkImageIOBase.h"

#include "itkMatrix.h"

#include "ITKIOMINCExport.h"

namespace itk
{

// Structure for "Pointer to Implementation" or "Private
// Implementation" to hide MINC data from the ITK interface.
struct ITKIOMINC_HIDDEN MINCImageIOPImpl;

class ITKIOMINC_EXPORT MINCImageIO : public ImageIOBase
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(MINCImageIO);

  using Self = MINCImageIO;
  using Superclass = ImageIOBase;
  using Pointer = SmartPointer< Self >;
  using MatrixType = Matrix< float, 3, 3 >;

  itkNewMacro(Self);

  itkTypeMacro(MINCImageIO, Superclass);

  bool SupportsDimension(unsigned long dim) override
  {
    return dim<4;
  }

  void SetCompressionLevel(int level);
  int GetCompressionLevel() const;

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

  bool CanReadFile(const char *) override;

  void ReadImageInformation() override;

  void Read(void *buffer) override;

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

  bool CanWriteFile(const char *) override;

  void WriteImageInformation() override;

  void Write(const void *buffer) override;

protected:
  MINCImageIO();
  ~MINCImageIO() override;

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

  void WriteSlice(std::string & fileName, const void *buffer);

  // will assign m_NDims and allocate all internal buffers to hold the
  // information
  void AllocateDimensions(int nDims);

  // cleanup internal buffers
  void CleanupDimensions();

  // close existing volume, cleanup internal structures
  void CloseVolume();

private:

  MINCImageIOPImpl *m_MINCPImpl;

  MatrixType     m_DirectionCosines;

  // complex type images, composed of complex numbers
  //int m_Complex;

};
} // end namespace itk

#endif // itkMINCImageIO_h