vtkProgrammableSource.h

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

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

VTK_ABI_NAMESPACE_BEGIN
class vtkGraph;
class vtkMolecule;
class vtkPolyData;
class vtkRectilinearGrid;
class vtkStructuredGrid;
class vtkStructuredPoints;
class vtkTable;
class vtkUnstructuredGrid;

class VTKFILTERSSOURCES_EXPORT VTK_MARSHALAUTO vtkProgrammableSource : public vtkDataObjectAlgorithm
{
public:
  static vtkProgrammableSource* New();
  vtkTypeMacro(vtkProgrammableSource, 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*));

  void SetRequestInformationMethod(void (*f)(void*));


  vtkPolyData* GetPolyDataOutput();
  vtkStructuredPoints* GetStructuredPointsOutput();
  vtkStructuredGrid* GetStructuredGridOutput();
  vtkUnstructuredGrid* GetUnstructuredGridOutput();
  vtkRectilinearGrid* GetRectilinearGridOutput();
  vtkGraph* GetGraphOutput();
  vtkMolecule* GetMoleculeOutput();
  vtkTable* GetTableOutput();

protected:
  vtkProgrammableSource();
  ~vtkProgrammableSource() override;

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

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

  vtkTimeStamp ExecuteTime;
  int RequestedDataType;

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

VTK_ABI_NAMESPACE_END
#endif