vtkFSSurfaceWFileReader.h

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

  Portions (c) Copyright 2006 Brigham and Women's Hospital (BWH) All Rights Reserved.

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

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

#ifndef __vtkFSSurfaceWFileReader_h
#define __vtkFSSurfaceWFileReader_h

#include "FreeSurferConfigure.h"
#include "vtkFreeSurferExport.h"

// VTK includes
#include <vtkDataReader.h>

class vtkFloatArray;

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

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

  int ReadWFile();

  vtkGetMacro(NumberOfVertices,int);
  vtkSetMacro(NumberOfVertices,int);

  enum
  {
    FS_ERROR_W_NONE = 0,
    FS_ERROR_W_OUTPUT_NULL = 1,
    FS_ERROR_W_NO_FILENAME = 2,
    FS_ERROR_W_OPEN = 3,
    FS_ERROR_W_NUM_VALUES = 4,
    FS_ERROR_W_ALLOC = 5,
    FS_ERROR_W_EOF = 6,
    FS_NEW_SCALAR_MAGIC_NUMBER = 16777215,
  };

protected:
  vtkFSSurfaceWFileReader();
  ~vtkFSSurfaceWFileReader();

  vtkFloatArray * Scalars;

  int NumberOfVertices;

  int ReadInt3 (FILE* iFile, int& oInt);
  int ReadInt2 (FILE* iFile, int& oInt);
  int ReadFloat (FILE* iFile, float& oInt);

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

#endif