#include "vtkTestProgressReportFilter.h"

#include <vtkDataObject.h>
#include <vtkInformation.h>
#include <vtkInformationVector.h>
#include <vtkObjectFactory.h>
#include <vtkSmartPointer.h>
#include <vtkStreamingDemandDrivenPipeline.h>

vtkStandardNewMacro(vtkTestProgressReportFilter);

int vtkTestProgressReportFilter::RequestData(
    vtkInformation* vtkNotUsed(request), vtkInformationVector** inputVector,
    vtkInformationVector* outputVector)
{

  // Get the info objects
  vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
  vtkInformation* outInfo = outputVector->GetInformationObject(0);

  // Get the input and ouptut
  vtkPolyData* input =
      dynamic_cast<vtkPolyData*>(inInfo->Get(vtkDataObject::DATA_OBJECT()));

  vtkPolyData* output =
      dynamic_cast<vtkPolyData*>(outInfo->Get(vtkDataObject::DATA_OBJECT()));

  for (vtkIdType i = 0; i < input->GetNumberOfPoints(); i++)
  {
    this->UpdateProgress(static_cast<double>(i) / input->GetNumberOfPoints());
  }

  output->ShallowCopy(input);

  return 1;
}
