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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.
----------------------------------------------------------------------------*/
/**
* @class vtkNrrdReader
* @brief Read nrrd files file system
*
*
*
*
* @bug
* There are several limitations on what type of nrrd files we can read. This
* reader only supports nrrd files in raw, ascii and gzip format. Other encodings
* like hex will result in errors. When reading in detached headers, this only
* supports reading one file that is detached.
*
*/
#ifndef vtkNrrdReader_h
#define vtkNrrdReader_h
#include "vtkIOImageModule.h" // For export macro
#include "vtkImageReader.h"
VTK_ABI_NAMESPACE_BEGIN
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;
};
VTK_ABI_NAMESPACE_END
#endif // vtkNrrdReader_h
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