vtkProgrammableSource.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkProgrammableSource.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 vtkProgrammableSource_h
#define vtkProgrammableSource_h
 
#include "vtkDataObjectAlgorithm.h"
#include "vtkFiltersSourcesModule.h" // For export macro
 
class vtkGraph;
class vtkMolecule;
class vtkPolyData;
class vtkRectilinearGrid;
class vtkStructuredGrid;
class vtkStructuredPoints;
class vtkTable;
class vtkUnstructuredGrid;
 
class VTKFILTERSSOURCES_EXPORT 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;
};
 
#endif