vtkFSSurfaceAnnotationReader.h

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/*=auto=========================================================================

  Portions (c) Copyright 2005 Brigham and Women's Hospital (BWH) All Rights Reserved.

  See COPYRIGHT.txt
  or http://www.slicer.org/copyright/copyright.txt for details.

=========================================================================auto=*/

#ifndef __vtkFSSurfaceAnnotationReader_h
#define __vtkFSSurfaceAnnotationReader_h

// FreeSurfer includes
#include "FreeSurferConfigure.h"
#include "vtkFreeSurferExport.h"

// VTK includes
#include <vtkDataReader.h>

class vtkIntArray;
class vtkLookupTable;

class VTK_FreeSurfer_EXPORT vtkFSSurfaceAnnotationReader : public vtkDataReader
{
public:
  static vtkFSSurfaceAnnotationReader *New();
  vtkTypeMacro(vtkFSSurfaceAnnotationReader,vtkDataReader);
  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;

  vtkIntArray *GetOutput();
  void SetOutput(vtkIntArray *output);

  vtkLookupTable *GetColorTableOutput();
  void SetColorTableOutput(vtkLookupTable* colors);

  char* GetColorTableNames();

  int ReadFSAnnotation();

  int WriteFSAnnotation();

  vtkGetMacro(NumColorTableEntries, int);
  vtkSetStringMacro(ColorTableFileName);

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

  enum
  {
    FS_COLOR_TABLE_TAG = 1,

    FS_COLOR_TABLE_NAME_LENGTH = 1024,
    FS_COLOR_TABLE_ENTRY_NAME_LENGTH = 1024,

    FS_ERROR_LOADING_COLOR_TABLE = 1,
    FS_ERROR_LOADING_ANNOTATION = 2,
    FS_ERROR_PARSING_COLOR_TABLE = 3,
    FS_ERROR_PARSING_ANNOTATION = 4,
    FS_WARNING_UNASSIGNED_LABELS = 5,
    FS_NO_COLOR_TABLE = 6,
  };
protected:
  vtkFSSurfaceAnnotationReader();
  ~vtkFSSurfaceAnnotationReader();

  vtkIntArray    *Labels;
  vtkLookupTable *Colors;
  char           *NamesList;
  int            NumColorTableEntries;

  int UseExternalColorTableFile;
  char *ColorTableFileName;

  int ReadEmbeddedColorTable (FILE* annotFile, int* numEntries,
                  int*** rgbValues, char*** names);
  int ReadExternalColorTable (char* fileName, int* numEntries,
                  int*** rgbValues, char*** names);


private:
  vtkFSSurfaceAnnotationReader(const vtkFSSurfaceAnnotationReader&);  
  void operator=(const vtkFSSurfaceAnnotationReader&);  
};

#endif