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

  Program:   Visualization Toolkit
  Module:    vtkQuadraturePointsGenerator.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 vtkQuadraturePointsGenerator_h
#define vtkQuadraturePointsGenerator_h

#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"

class vtkPolyData;
class vtkUnstructuredGrid;
class vtkInformation;
class vtkInformationVector;

class VTKFILTERSGENERAL_EXPORT vtkQuadraturePointsGenerator : public vtkPolyDataAlgorithm
{
public:
  vtkTypeMacro(vtkQuadraturePointsGenerator,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);
  static vtkQuadraturePointsGenerator *New();

protected:
  int FillInputPortInformation(int port, vtkInformation *info);

  int RequestData(vtkInformation *req, vtkInformationVector **input, vtkInformationVector *output);


  int Generate(vtkUnstructuredGrid *usgIn,
                vtkDataArray* offsets,
                vtkPolyData *pdOut);

  int GenerateField(vtkUnstructuredGrid *usgIn,
                vtkDataArray* data,
                vtkDataArray* offsets,
                vtkPolyData* pdOut);

  vtkQuadraturePointsGenerator();
  virtual ~vtkQuadraturePointsGenerator();
private:
  vtkQuadraturePointsGenerator(const vtkQuadraturePointsGenerator &); // Not implemented
  void operator=(const vtkQuadraturePointsGenerator &); // Not implemented
};

#endif