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

  Program:   Visualization Toolkit
  Module:    vtkRemoveHiddenData.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.

=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
/**
 * @class   vtkRemoveHiddenData
 * @brief   Removes the rows/edges/vertices of
 * input data flagged by ann.
 *
 *
 * Output only those rows/vertices/edges of the input vtkDataObject that
 * are visible, as defined by the vtkAnnotation::HIDE() flag of the input
 * vtkAnnotationLayers.
 * Inputs:
 *    Port 0 - vtkDataObject
 *    Port 1 - vtkAnnotationLayers (optional)
 *
 */

#ifndef vtkRemoveHiddenData_h
#define vtkRemoveHiddenData_h

#include "vtkInfovisCoreModule.h" // For export macro
#include "vtkPassInputTypeAlgorithm.h"
#include "vtkSmartPointer.h" // For Smartpointer

class vtkExtractSelectedGraph;
class vtkExtractSelectedRows;

class VTKINFOVISCORE_EXPORT vtkRemoveHiddenData : public vtkPassInputTypeAlgorithm
{
public:
  static vtkRemoveHiddenData* New();
  vtkTypeMacro(vtkRemoveHiddenData, vtkPassInputTypeAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

protected:
  vtkRemoveHiddenData();
  ~vtkRemoveHiddenData() override;

  /**
   * Convert the vtkGraph into vtkPolyData.
   */
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;

  /**
   * Set the input type of the algorithm to vtkGraph.
   */
  int FillInputPortInformation(int port, vtkInformation* info) override;

private:
  vtkRemoveHiddenData(const vtkRemoveHiddenData&) = delete;
  void operator=(const vtkRemoveHiddenData&) = delete;

  vtkSmartPointer<vtkExtractSelectedGraph> ExtractGraph;
  vtkSmartPointer<vtkExtractSelectedRows> ExtractTable;
};

#endif