itkGDCMImageIO.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkGDCMImageIO.h,v $
  Language:  C++
  Date:      $Date: 2009-04-25 12:25:42 $
  Version:   $Revision: 1.39 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

  Portions of this code are covered under the VTK copyright.
  See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm 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 notices for more information.

=========================================================================*/
#ifndef __itkGDCMImageIO_h
#define __itkGDCMImageIO_h

#include "itkImageIOBase.h"
#include <fstream>
#include <string>

namespace itk
{

class InternalHeader;
class ITK_EXPORT GDCMImageIO : public ImageIOBase
{
public:
  typedef GDCMImageIO         Self;
  typedef ImageIOBase         Superclass;
  typedef SmartPointer<Self>  Pointer;

  itkNewMacro(Self);

  itkTypeMacro(GDCMImageIO, Superclass);

  /*-------- This part of the interface 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);

  itkGetConstMacro(RescaleSlope, double);
  itkGetConstMacro(RescaleIntercept, double);

  itkGetStringMacro(UIDPrefix);
  itkSetStringMacro(UIDPrefix);

  itkGetStringMacro(StudyInstanceUID);
  itkGetStringMacro(SeriesInstanceUID);
  itkGetStringMacro(FrameOfReferenceInstanceUID);

  itkSetMacro(KeepOriginalUID,bool);
  itkGetConstMacro(KeepOriginalUID,bool);
  itkBooleanMacro(KeepOriginalUID);

  void GetPatientName(char* name);
  void GetPatientID(char* id);
  void GetPatientSex(char* sex);
  void GetPatientAge(char* age);
  void GetStudyID(char* id);
  void GetPatientDOB(char* dob);
  void GetStudyDescription(char* desc);
  void GetBodyPart(char* part);
  void GetNumberOfSeriesInStudy(char* series);
  void GetNumberOfStudyRelatedSeries(char* series);
  void GetStudyDate(char* date);
  void GetModality(char* modality);
  void GetManufacturer(char* manu);
  void GetInstitution(char* ins);
  void GetModel(char* model);
  void GetScanOptions(char *options);

  bool GetValueFromTag(const std::string & tag, std::string & value);

  static bool GetLabelFromTag( const std::string & tag, 
                               std::string & labelId );

  itkSetMacro(MaxSizeLoadEntry, long);

  itkSetMacro(LoadSequences, bool);
  itkGetConstMacro(LoadSequences, bool);
  itkBooleanMacro(LoadSequences);

  itkSetMacro(LoadPrivateTags, bool);
  itkGetConstMacro(LoadPrivateTags, bool);
  itkBooleanMacro(LoadPrivateTags);  

  static void SetLoadSequencesDefault(bool b)
    { m_LoadSequencesDefault = b; }
  static void LoadSequencesDefaultOn()
    { m_LoadSequencesDefault = true; }
  static void LoadSequencesDefaultOff()
    { m_LoadSequencesDefault = false; }
  static bool GetLoadSequencesDefault()
    { return m_LoadSequencesDefault; }

  static void SetLoadPrivateTagsDefault(bool b)
    { m_LoadPrivateTagsDefault = b; }
  static void LoadPrivateTagsDefaultOn()
    { m_LoadPrivateTagsDefault = true; }
  static void LoadPrivateTagsDefaultOff()
    { m_LoadPrivateTagsDefault = false; }
  static bool GetLoadPrivateTagsDefault()
    { return m_LoadPrivateTagsDefault; }

  typedef enum { JPEG = 0, JPEG2000 } TCompressionType;
  itkSetEnumMacro(CompressionType,TCompressionType);
  itkGetEnumMacro(CompressionType,TCompressionType);

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

  bool OpenGDCMFileForReading(std::ifstream& os, const char* filename);
  bool OpenGDCMFileForWriting(std::ofstream& os, const char* filename);
  void InternalReadImageInformation(std::ifstream& file);

  double m_RescaleSlope;
  double m_RescaleIntercept;

  std::string m_UIDPrefix;
  std::string m_StudyInstanceUID;
  std::string m_SeriesInstanceUID;
  std::string m_FrameOfReferenceInstanceUID;
  bool        m_KeepOriginalUID;
  long        m_MaxSizeLoadEntry;

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

  std::string m_PatientName;
  std::string m_PatientID;
  std::string m_PatientDOB;
  std::string m_StudyID;   
  std::string m_StudyDescription;
  std::string m_BodyPart;
  std::string m_NumberOfSeriesInStudy;
  std::string m_NumberOfStudyRelatedSeries;
  std::string m_PatientSex;
  std::string m_PatientAge;
  std::string m_StudyDate;
  std::string m_Modality;
  std::string m_Manufacturer;
  std::string m_Institution;
  std::string m_Model;
  std::string m_ScanOptions;

  bool        m_LoadSequences;
  bool        m_LoadPrivateTags;
  static bool m_LoadSequencesDefault;
  static bool m_LoadPrivateTagsDefault;
  
  unsigned int     m_GlobalNumberOfDimensions;
  TCompressionType m_CompressionType;

  ImageIOBase::IOComponentType m_InternalComponentType;
  InternalHeader *             m_DICOMHeader;
};

} // end namespace itk

#endif // __itkGDCMImageIO_h