dox/vtkGDCMImageReader.h

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

  Program: GDCM (Grassroots DICOM). A DICOM library
  Module:  $URL$

  Copyright (c) 2006-2009 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 __vtkGDCMImageReader_h
#define __vtkGDCMImageReader_h

#include "vtkMedicalImageReader2.h"
#include "vtkImageData.h"
#include "gdcmTypes.h" // GDCM_EXPORT

#if (VTK_MAJOR_VERSION >= 5) || ( VTK_MAJOR_VERSION == 4 && VTK_MINOR_VERSION > 5 )
#else
class vtkMedicalImageProperties;
#endif
#if ( VTK_MAJOR_VERSION == 5 && VTK_MINOR_VERSION > 0 )
#else
class vtkStringArray;
#endif
class vtkPolyData;

// vtkSystemIncludes.h defines:
// #define VTK_LUMINANCE       1
// #define VTK_LUMINANCE_ALPHA 2
// #define VTK_RGB             3
// #define VTK_RGBA            4
#ifndef VTK_INVERSE_LUMINANCE
#define VTK_INVERSE_LUMINANCE 5
#endif
#ifndef VTK_LOOKUP_TABLE
#define VTK_LOOKUP_TABLE 6
#endif
#ifndef VTK_YBR
#define VTK_YBR 7
#endif
#ifndef VTK_CMYK
#define VTK_CMYK 8
#endif

//BTX
namespace gdcm { class ImageReader; }
//ETX
class vtkMatrix4x4;
class VTK_EXPORT vtkGDCMImageReader : public vtkMedicalImageReader2
{
public:
  static vtkGDCMImageReader *New();
  vtkTypeRevisionMacro(vtkGDCMImageReader,vtkMedicalImageReader2);
  virtual void PrintSelf(ostream& os, vtkIndent indent);

  virtual int CanReadFile(const char* fname);


  virtual const char* GetFileExtensions()
    {
    // I would like to get rid of ACR/NEMA/IMA so only allow dcm extension for now
    return ".dcm .DCM";
    }


  virtual const char* GetDescriptiveName()
    {
    return "DICOM";
    }


  vtkGetObjectMacro(DirectionCosines, vtkMatrix4x4);

#if (VTK_MAJOR_VERSION >= 5) || ( VTK_MAJOR_VERSION == 4 && VTK_MINOR_VERSION > 5 )
#else


  vtkGetObjectMacro(MedicalImageProperties, vtkMedicalImageProperties);
#endif
  virtual void SetMedicalImageProperties(vtkMedicalImageProperties *pd);

#if ( VTK_MAJOR_VERSION == 5 && VTK_MINOR_VERSION > 0 )
#else
  virtual void SetFileNames(vtkStringArray*);
  vtkGetObjectMacro(FileNames, vtkStringArray);
#endif


  vtkGetMacro(LoadOverlays,int);
  vtkSetMacro(LoadOverlays,int);
  vtkBooleanMacro(LoadOverlays,int);


  vtkGetMacro(LoadIconImage,int);
  vtkSetMacro(LoadIconImage,int);
  vtkBooleanMacro(LoadIconImage,int);


  vtkGetMacro(LossyFlag,int);
  vtkSetMacro(LossyFlag,int);
  vtkBooleanMacro(LossyFlag,int);


  vtkGetMacro(NumberOfOverlays,int);


  vtkGetMacro(NumberOfIconImages,int);


#if (VTK_MAJOR_VERSION >= 5) || ( VTK_MAJOR_VERSION == 4 && VTK_MINOR_VERSION > 5 )
//FIXME: Need to get rid of BTX/ETX if only the Python Wrapper of VTK 4.2 would let me
//BTX
  vtkAlgorithmOutput* GetOverlayPort(int index);
  vtkAlgorithmOutput* GetIconImagePort();
//ETX
#endif
  vtkImageData* GetOverlay(int i);
  vtkImageData* GetIconImage();


  vtkGetMacro(ApplyLookupTable,int);
  vtkSetMacro(ApplyLookupTable,int);
  vtkBooleanMacro(ApplyLookupTable,int);


  vtkGetMacro(ApplyYBRToRGB,int)
  vtkSetMacro(ApplyYBRToRGB,int)
  vtkBooleanMacro(ApplyYBRToRGB,int);


  vtkGetMacro(ImageFormat,int);


  vtkGetMacro(PlanarConfiguration,int);


  vtkGetVector3Macro(ImagePositionPatient,double);
  vtkGetVector6Macro(ImageOrientationPatient,double);


  vtkGetObjectMacro(Curve,vtkPolyData);
  virtual void SetCurve(vtkPolyData *pd);


  vtkGetMacro(Shift,double);
  vtkGetMacro(Scale,double);

protected:
  vtkGDCMImageReader();
  ~vtkGDCMImageReader();

  vtkSetVector6Macro(ImageOrientationPatient,double);

//BTX
  void FillMedicalImageInformation(const gdcm::ImageReader &reader);
//ETX
  int RequestInformationCompat();
  int RequestDataCompat();

#if (VTK_MAJOR_VERSION >= 5) || ( VTK_MAJOR_VERSION == 4 && VTK_MINOR_VERSION > 5 )
  int ProcessRequest(vtkInformation* request,
                                 vtkInformationVector** inputVector,
                                 vtkInformationVector* outputVector);
  int RequestInformation(vtkInformation *request,
                         vtkInformationVector **inputVector,
                         vtkInformationVector *outputVector);
  int RequestData(vtkInformation *request,
                  vtkInformationVector **inputVector,
                  vtkInformationVector *outputVector);
#else /*(VTK_MAJOR_VERSION >= 5) || ( VTK_MAJOR_VERSION == 4 && VTK_MINOR_VERSION > 5 )*/
  void ExecuteInformation();
  void ExecuteData(vtkDataObject *out);
#endif /*(VTK_MAJOR_VERSION >= 5) || ( VTK_MAJOR_VERSION == 4 && VTK_MINOR_VERSION > 5 )*/

protected:
#if (VTK_MAJOR_VERSION >= 5) || ( VTK_MAJOR_VERSION == 4 && VTK_MINOR_VERSION > 5 )
#else

  vtkMedicalImageProperties *MedicalImageProperties;
#endif
#if ( VTK_MAJOR_VERSION == 5 && VTK_MINOR_VERSION > 0 )
#else
  vtkStringArray *FileNames;
#endif

  vtkMatrix4x4 *DirectionCosines;
  int LoadOverlays;
  int NumberOfOverlays;
  int LoadIconImage;
  int NumberOfIconImages;
  int IconImageDataExtent[6];
  double ImagePositionPatient[3];
  double ImageOrientationPatient[6];
  vtkPolyData *Curve;

  int ImageFormat;
  // the following 3, should remain optional
  int ApplyInverseVideo;
  int ApplyLookupTable;
  int ApplyYBRToRGB;
  // I think that planar configuration need to always be applied as far as VTK is concerned
  int ApplyPlanarConfiguration;
  int ApplyShiftScale;

  int LoadSingleFile(const char *filename, char *pointer, unsigned long &outlen);

  double Shift;
  double Scale;
  int IconDataScalarType;
  int IconNumberOfScalarComponents;
  int PlanarConfiguration;
  int LossyFlag;

protected:
  // TODO / FIXME
  void SetFilePrefix(const char *) {}
  vtkGetStringMacro(FilePrefix);
  void SetFilePattern(const char *) {}
  vtkGetStringMacro(FilePattern);

private:
  vtkGDCMImageReader(const vtkGDCMImageReader&);  // Not implemented.
  void operator=(const vtkGDCMImageReader&);  // Not implemented.
};
#endif

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