File: vtkJSONImageWriter.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
 * @class   vtkJSONImageWriter
 * @brief   Writes vtkImageData to a JSON file.
 *
 * vtkJSONImageWriter writes a JSON file which will describe the
 * data inside a vtkImageData.
 */

#ifndef vtkJSONImageWriter_h
#define vtkJSONImageWriter_h

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

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

  ///@{
  /**
   * Specify file name for the image file.
   */
  vtkSetFilePathMacro(FileName);
  vtkGetFilePathMacro(FileName);
  ///@}

  ///@{
  /**
   * Specify ArrayName to export. By default nullptr which will dump ALL arrays.
   */
  vtkSetStringMacro(ArrayName);
  vtkGetStringMacro(ArrayName);
  ///@}

  ///@{
  /**
   * Specify Slice in Z to export. By default -1 which will dump the full 3D domain.
   */
  vtkSetMacro(Slice, int);
  vtkGetMacro(Slice, int);
  ///@}

  /**
   * The main interface which triggers the writer to start.
   */
  virtual void Write();

protected:
  vtkJSONImageWriter();
  ~vtkJSONImageWriter() override;

  char* FileName;
  char* ArrayName;
  int Slice;

  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;

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

VTK_ABI_NAMESPACE_END
#endif