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

  Program:   Visualization Toolkit
  Module:    vtkProgrammableDataObjectSource.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 vtkProgrammableDataObjectSource_h
#define vtkProgrammableDataObjectSource_h

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

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

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

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

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

protected:
  vtkProgrammableDataObjectSource();
  ~vtkProgrammableDataObjectSource();

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

  ProgrammableMethodCallbackType ExecuteMethod; //function to invoke
  ProgrammableMethodCallbackType ExecuteMethodArgDelete;
  void *ExecuteMethodArg;
private:
  vtkProgrammableDataObjectSource(const vtkProgrammableDataObjectSource&);  // Not implemented.
  void operator=(const vtkProgrammableDataObjectSource&);  // Not implemented.
};

#endif