//=========================================================================
//  Copyright (c) Kitware, Inc.
//  All rights reserved.
//  See LICENSE.txt 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.
//=========================================================================
// .NAME vtkCMBExtractMapContour - Extract contours out of the map reader
// .SECTION Description
// Takes output from vtkCMBMapReader

#ifndef __vtkCMBExtractMapContour_h
#define __vtkCMBExtractMapContour_h

#include "cmbSystemConfig.h"
#include "vtkCMBGraphicsModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
#include <vector>

class VTKCMBGRAPHICS_EXPORT vtkCMBExtractMapContour : public vtkPolyDataAlgorithm
{

public:
  static vtkCMBExtractMapContour* New();
  vtkTypeMacro(vtkCMBExtractMapContour, vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void AddContourToExtract(int index);
  void ExtractSingleContour(int index);

protected:
  vtkCMBExtractMapContour();
  ~vtkCMBExtractMapContour() override;

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

  std::vector<int> contoursToExtract;

private:
  //Helper function used to make reading lines easier
  vtkCMBExtractMapContour(const vtkCMBExtractMapContour&); // Not implemented.
  void operator=(const vtkCMBExtractMapContour&);          // Not implemented.
};

#endif
