itkRawImageIO.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 itkRawImageIO_h
#define itkRawImageIO_h

#include "itkImageIOBase.h"
#include "itkImageRegion.h"
#include "itkPixelTraits.h"
#include "itkByteSwapper.h"
#include "itkVersion.h"
#include <string>
#include <fstream>

namespace itk
{
template< typename TPixel, unsigned int VImageDimension = 2 >
class ITK_TEMPLATE_EXPORT RawImageIO:public ImageIOBase
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(RawImageIO);

  using Self = RawImageIO;
  using Superclass = ImageIOBase;
  using Pointer = SmartPointer< Self >;

  itkNewMacro(Self);

  itkTypeMacro(RawImageIO, ImageIOBase);

  using PixelType = TPixel;

  using SizeValueType = Superclass::SizeValueType;

  using ComponentType = typename PixelTraits< PixelType >::ValueType;

  using ByteSwapperType = ByteSwapper< ComponentType >;

  void SetHeaderSize(SizeValueType size);

  SizeValueType GetHeaderSize();

  itkSetMacro(FileDimensionality, unsigned long);
  itkGetConstMacro(FileDimensionality, unsigned long);

  bool SupportsDimension(unsigned long dim) override
  { return ( dim == m_FileDimensionality ); }

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

  bool CanReadFile(const char *) override { return false; }

  void ReadImageInformation() override { return; }

  void Read(void *buffer) override;

  itkGetConstReferenceMacro(ImageMask, unsigned short);
  void SetImageMask(unsigned long val)
  {
    if ( val == m_ImageMask ) { return; }
    m_ImageMask = ( (unsigned short)( val ) );
    this->Modified();
  }

  virtual void ReadHeader( const std::string = std::string() ) {}

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

  bool CanWriteFile(const char *) override;

  void WriteImageInformation() override { return; }

  void Write(const void *buffer) override;

protected:
  RawImageIO();
  ~RawImageIO() override = default;
  void PrintSelf(std::ostream & os, Indent indent) const override;

  //void ComputeInternalFileName(unsigned long slice);

private:
  std::string m_InternalFileName;

  unsigned long  m_FileDimensionality;
  bool           m_ManualHeaderSize;
  SizeValueType  m_HeaderSize;
  unsigned short m_ImageMask;
};

template< typename TPixel, unsigned int VImageDimension >
class ITK_TEMPLATE_EXPORT RawImageIOFactory:public ObjectFactoryBase
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(RawImageIOFactory);

  using Self = RawImageIOFactory< TPixel, VImageDimension >;
  using Superclass = ObjectFactoryBase;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  const char * GetITKSourceVersion() const override
  {
    return ITK_SOURCE_VERSION;
  }

  const char * GetDescription() const override
  {
    return "Raw ImageIO Factory, allows the loading of Raw images into insight";
  }

  itkFactorylessNewMacro(Self);

  itkTypeMacro(RawImageIOFactory, ObjectFactoryBase);

  static void RegisterOneFactory()
  {
    ObjectFactoryBase::RegisterFactory( Self::New() );
  }

protected:
  RawImageIOFactory() = default;
  ~RawImageIOFactory() override = default;
  using myProductType = RawImageIO< TPixel, VImageDimension >;
  const myProductType *m_MyProduct;
};
} // namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkRawImageIO.hxx"
#endif

#endif