vtkImageWriter.h

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

  Program:   Visualization Toolkit
  Module:    vtkImageWriter.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.

=========================================================================*/
#ifndef vtkImageWriter_h
#define vtkImageWriter_h

#include "vtkIOImageModule.h" // For export macro
#include "vtkImageAlgorithm.h"

class VTKIOIMAGE_EXPORT vtkImageWriter : public vtkImageAlgorithm
{
public:
  static vtkImageWriter *New();
  vtkTypeMacro(vtkImageWriter,vtkImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkSetStringMacro(FileName);
  vtkGetStringMacro(FileName);


  vtkSetStringMacro(FilePrefix);
  vtkGetStringMacro(FilePrefix);


  vtkSetStringMacro(FilePattern);
  vtkGetStringMacro(FilePattern);


  vtkSetMacro(FileDimensionality, int);
  vtkGetMacro(FileDimensionality, int);

  vtkImageData *GetInput();

  virtual void Write();

  void DeleteFiles();

protected:
  vtkImageWriter();
  ~vtkImageWriter() override;

  int FileDimensionality;
  char *FilePrefix;
  char *FilePattern;
  char *FileName;
  int FileNumber;
  int FileLowerLeft;
  char *InternalFileName;
  size_t InternalFileNameSize;

  virtual void RecursiveWrite(int dim,
                              vtkImageData *region,
                              vtkInformation*inInfo,
                              ostream *file);
  virtual void RecursiveWrite(int dim,
                              vtkImageData *cache,
                              vtkImageData *data,
                              vtkInformation* inInfo,
                              ostream *file);
  virtual void WriteFile(ostream *file, vtkImageData *data,
                         int extent[6], int wExtent[6]);
  virtual void WriteFileHeader(ostream *, vtkImageData *, int [6]) {}
  virtual void WriteFileTrailer(ostream *, vtkImageData *) {}


  // Required for subclasses that need to prevent the writer
  // from touching the file system. The getter/setter are only
  // available in these subclasses.
  vtkTypeUBool WriteToMemory;

  // subclasses that do write to memory can override this
  // to implement the simple case
  virtual void MemoryWrite(int,
                           vtkImageData *,
                           int [6],
                           vtkInformation*) {};

  // This is called by the superclass.
  // This is the method you should override.
  int RequestData(vtkInformation *request,
                          vtkInformationVector** inputVector,
                          vtkInformationVector* outputVector) override;

  int MinimumFileNumber;
  int MaximumFileNumber;
  int FilesDeleted;

private:
  vtkImageWriter(const vtkImageWriter&) = delete;
  void operator=(const vtkImageWriter&) = delete;
};

#endif