vtkNrrdReader.h

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// -*- c++ -*-
/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkNrrdReader.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.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 notice for more information.
 
=========================================================================*/
/*----------------------------------------------------------------------------
 Copyright (c) Sandia Corporation
 See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/
 
#ifndef vtkNrrdReader_h
#define vtkNrrdReader_h
 
#include "vtkIOImageModule.h" // For export macro
#include "vtkImageReader.h"
 
class vtkCharArray;
 
class VTKIOIMAGE_EXPORT vtkNrrdReader : public vtkImageReader
{
public:
  vtkTypeMacro(vtkNrrdReader, vtkImageReader);
  static vtkNrrdReader* New();
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  int CanReadFile(VTK_FILEPATH const char* filename) override;
 
protected:
  vtkNrrdReader();
  ~vtkNrrdReader() override;
 
  int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
 
  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
 
  int ReadHeaderInternal(vtkCharArray* headerBuffer);
  virtual int ReadHeader();
  virtual int ReadHeader(vtkCharArray* headerBuffer);
 
  virtual int ReadDataAscii(vtkImageData* output);
 
  template <typename T>
  int vtkNrrdReaderReadDataGZipTemplate(vtkImageData* output, T* outBuffer);
  virtual int ReadDataGZip(vtkImageData* output);
 
  vtkStringArray* DataFiles;
 
  enum
  {
    ENCODING_RAW,
    ENCODING_ASCII,
    ENCODING_GZIP
  };
 
  int Encoding;
 
private:
  vtkNrrdReader(const vtkNrrdReader&) = delete;
  void operator=(const vtkNrrdReader&) = delete;
};
 
#endif // vtkNrrdReader_h