vtkProgrammableSource.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkProgrammableSource.h,v $

  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 __vtkProgrammableSource_h
#define __vtkProgrammableSource_h

#include "vtkDataSetAlgorithm.h"

class vtkPolyData;
class vtkStructuredPoints;
class vtkStructuredGrid;
class vtkUnstructuredGrid;
class vtkRectilinearGrid;

class VTK_GRAPHICS_EXPORT vtkProgrammableSource : public vtkDataSetAlgorithm
{
public:
  static vtkProgrammableSource *New();
  vtkTypeRevisionMacro(vtkProgrammableSource,vtkDataSetAlgorithm);

  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();

protected:
  vtkProgrammableSource();
  ~vtkProgrammableSource();

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

  void (*ExecuteMethod)(void *); //function to invoke
  void (*ExecuteMethodArgDelete)(void *);
  void *ExecuteMethodArg;
  void (*RequestInformationMethod)(void *); // function to invoke

  vtkTimeStamp ExecuteTime;
  int RequestedDataType;

private:
  vtkProgrammableSource(const vtkProgrammableSource&);  // Not implemented.
  void operator=(const vtkProgrammableSource&);  // Not implemented.
};

#endif

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