gdcmImageRegionReader.h

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/*=========================================================================
 
  Program: GDCM (Grassroots DICOM). A DICOM library
 
  Copyright (c) 2006-2011 Mathieu Malaterre
  All rights reserved.
  See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html 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 GDCMIMAGEEXTENTREADER_H
#define GDCMIMAGEEXTENTREADER_H
 
#include "gdcmImageReader.h"
#include "gdcmImage.h"
#include "gdcmRegion.h"
 
namespace gdcm
{
 
class ImageRegionReaderInternals;
class GDCM_EXPORT ImageRegionReader : public ImageReader
{
public:
  ImageRegionReader();
  ~ImageRegionReader() override;
 
  void SetRegion(Region const & region);
  Region const &GetRegion() const;
 
  size_t ComputeBufferLength() const;
 
  bool ReadInformation();
 
  bool ReadIntoBuffer(char *inreadbuffer, size_t buflen);
 
protected:
  bool Read() override;
 
private:
  BoxRegion ComputeBoundingBox();
  bool ReadRAWIntoBuffer(char *buffer, size_t buflen);
  bool ReadRLEIntoBuffer(char *buffer, size_t buflen);
  bool ReadJPEG2000IntoBuffer(char *buffer, size_t buflen);
  bool ReadJPEGIntoBuffer(char *buffer, size_t buflen);
  bool ReadJPEGLSIntoBuffer(char *buffer, size_t buflen);
  ImageRegionReaderInternals *Internals;
};
 
} // end namespace gdcm
 
#endif //GDCMIMAGEEXTENTREADER_H