itkJPEG2000ImageIO.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 itkJPEG2000ImageIO_h
#define itkJPEG2000ImageIO_h


#include <fstream>
#include "ITKIOJPEG2000Export.h"
#include "itkStreamingImageIOBase.h"
#include "memory"


namespace itk
{

class JPEG2000ImageIOInternal;

class ITKIOJPEG2000_EXPORT JPEG2000ImageIO:public StreamingImageIOBase
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(JPEG2000ImageIO);

  using Self = JPEG2000ImageIO;
  using Superclass = StreamingImageIOBase;
  using Pointer = SmartPointer< Self >;

  itkNewMacro(Self);

  itkTypeMacro(JPEG2000ImageIO, StreamingImageIOBase);

  /*-------- This part of the interfaces 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;

  ImageIORegion
  GenerateStreamableReadRegionFromRequestedRegion(const ImageIORegion & requested) const override;

  SizeType GetHeaderSize() const override;

  void SetTileSize(int x, int y);

  bool CanStreamWrite() override;

protected:
  JPEG2000ImageIO();
  ~JPEG2000ImageIO() override;

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

private:
  std::unique_ptr< JPEG2000ImageIOInternal >  m_Internal;

  using SizeValueType = ImageIORegion::SizeValueType;
  using IndexValueType = ImageIORegion::IndexValueType;

  void ComputeRegionInTileBoundaries(unsigned int dimension,
                                     SizeValueType tileSize, ImageIORegion & streamableRegion) const;
};
} // end namespace itk

#endif // itkJPEG2000ImageIO_h