vtkProgrammableDataObjectSource.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkProgrammableDataObjectSource_h
#define vtkProgrammableDataObjectSource_h

#include "vtkDataObjectAlgorithm.h"
#include "vtkFiltersSourcesModule.h" // For export macro
#include "vtkWrappingHints.h"        // For VTK_MARSHALAUTO

VTK_ABI_NAMESPACE_BEGIN
class VTKFILTERSSOURCES_EXPORT VTK_MARSHALAUTO vtkProgrammableDataObjectSource
  : public vtkDataObjectAlgorithm
{
public:
  static vtkProgrammableDataObjectSource* New();
  vtkTypeMacro(vtkProgrammableDataObjectSource, vtkDataObjectAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  typedef void (*ProgrammableMethodCallbackType)(void* arg);

  void SetExecuteMethod(void (*f)(void*), void* arg);

  void SetExecuteMethodArgDelete(void (*f)(void*));

protected:
  vtkProgrammableDataObjectSource();
  ~vtkProgrammableDataObjectSource() override;

  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;

  ProgrammableMethodCallbackType ExecuteMethod; // function to invoke
  ProgrammableMethodCallbackType ExecuteMethodArgDelete;
  void* ExecuteMethodArg;

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

VTK_ABI_NAMESPACE_END
#endif