text: /*=========================================================================
  
    Program:   Visualization Toolkit
    Module:    vtkPOutlineFilter.cxx
  
    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.
  
  =========================================================================*/
  #include "vtkPOutlineFilter.h"
  
  #include "vtkCompositeDataSet.h"
  #include "vtkDataSet.h"
  #include "vtkInformation.h"
  #include "vtkInformationVector.h"
  #include "vtkMath.h"
  #include "vtkMultiProcessController.h"
  #include "vtkObjectFactory.h"
  #include "vtkOutlineSource.h"
  #include "vtkPOutlineFilterInternals.h"
  #include "vtkPolyData.h"
  #include "vtkStreamingDemandDrivenPipeline.h"
  
  vtkStandardNewMacro(vtkPOutlineFilter);
  vtkCxxSetObjectMacro(vtkPOutlineFilter, Controller, vtkMultiProcessController);
  
  vtkPOutlineFilter::vtkPOutlineFilter()
  {
    this->Controller = nullptr;
    this->SetController(vtkMultiProcessController::GetGlobalController());
  
    this->OutlineSource = vtkOutlineSource::New();
  }
  
  vtkPOutlineFilter::~vtkPOutlineFilter()
  {
    this->SetController(nullptr);
    if (this->OutlineSource != nullptr)
    {
      this->OutlineSource->Delete();
      this->OutlineSource = nullptr;
    }
  }
  
  int vtkPOutlineFilter::RequestData(
    vtkInformation* request, vtkInformationVector** inputVector, vtkInformationVector* outputVector)
  {
    vtkPOutlineFilterInternals internals;
    internals.SetIsCornerSource(false);
    internals.SetController(this->Controller);
  
    return internals.RequestData(request, inputVector, outputVector);
  }
  
  int vtkPOutlineFilter::FillInputPortInformation(int, vtkInformation* info)
  {
    info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkDataSet");
    info->Append(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkCompositeDataSet");
    info->Append(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkGraph");
    return 1;
  }
  
  void vtkPOutlineFilter::PrintSelf(ostream& os, vtkIndent indent)
  {
    this->Superclass::PrintSelf(os, indent);
    os << indent << "Controller: " << this->Controller << endl;
  }
  