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 "itkStreamingImageIOBase.h"
#include "itkAutoPointer.h"

namespace itk
{

class JPEG2000ImageIOInternal;

class JPEG2000ImageIO:public StreamingImageIOBase
{
public:
  typedef JPEG2000ImageIO      Self;
  typedef StreamingImageIOBase Superclass;
  typedef SmartPointer< Self > Pointer;

  itkNewMacro(Self);

  itkTypeMacro(JPEG2000ImageIO, StreamingImageIOBase);

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

  virtual bool CanReadFile(const char *);

  virtual void ReadImageInformation();

  virtual void Read(void *buffer);

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

  virtual bool CanWriteFile(const char *);

  virtual void WriteImageInformation();

  virtual void Write(const void *buffer);

  virtual ImageIORegion
  GenerateStreamableReadRegionFromRequestedRegion(const ImageIORegion & requested) const;

  virtual SizeType GetHeaderSize(void) const;

  void SetTileSize(int x, int y);

  virtual bool CanStreamWrite( void );

protected:
  JPEG2000ImageIO();
  ~JPEG2000ImageIO();

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

private:
  JPEG2000ImageIO(const Self &); //purposely not implemented
  void operator=(const Self &);  //purposely not implemented

  AutoPointer< JPEG2000ImageIOInternal >  m_Internal;

  typedef ImageIORegion::SizeValueType  SizeValueType;
  typedef ImageIORegion::IndexValueType IndexValueType;

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

#endif // __itkJPEG2000ImageIO_h