File: vtkTestingInteractor.cxx

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkTestingInteractor.h"
#include "vtkMultiProcessController.h"
#include "vtkObjectFactory.h"
#include "vtkRenderWindow.h"
#include "vtkSmartPointer.h"
#include "vtkTesting.h"

#if VTK_MODULE_ENABLE_VTK_ParallelMPI
#include "vtkMPIController.h"
#endif

VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkTestingInteractor);

vtkCxxSetSmartPointerMacro(vtkTestingInteractor, Controller, vtkMultiProcessController);

int vtkTestingInteractor::TestReturnStatus = -1;
double vtkTestingInteractor::ErrorThreshold = 10.0;
std::string vtkTestingInteractor::ValidBaseline;
std::string vtkTestingInteractor::TempDirectory;
std::string vtkTestingInteractor::DataDirectory;

//------------------------------------------------------------------------------
vtkTestingInteractor::vtkTestingInteractor()
{
#if VTK_MODULE_ENABLE_VTK_ParallelMPI
  this->Controller = vtkSmartPointer<vtkMPIController>::New();
  // IF MPI is not set up, set to nullptr
  if (!this->Controller->GetCommunicator())
  {
    this->Controller = nullptr;
  }
#else
  this->Controller = nullptr;
#endif
}

//------------------------------------------------------------------------------
vtkMultiProcessController* vtkTestingInteractor::GetController() const
{
  return this->Controller;
}

//------------------------------------------------------------------------------
// Start normally starts an event loop. This iterator uses vtkTesting
// to grab the render window and compare the results to a baseline image
void vtkTestingInteractor::Start()
{
  vtkSmartPointer<vtkTesting> testing = vtkSmartPointer<vtkTesting>::New();
  testing->SetRenderWindow(this->GetRenderWindow());
  testing->SetController(this->Controller);

  // Location of the temp directory for testing
  testing->AddArgument("-T");
  testing->AddArgument(vtkTestingInteractor::TempDirectory.c_str());

  // Location of the Data directory. If NOTFOUND, suppress regression
  // testing
  if (vtkTestingInteractor::DataDirectory != "VTK_DATA_ROOT-NOTFOUND")
  {
    testing->AddArgument("-D");
    testing->AddArgument(vtkTestingInteractor::DataDirectory.c_str());

    // The name of the valid baseline image
    testing->AddArgument("-V");
    std::string valid = vtkTestingInteractor::ValidBaseline;
    testing->AddArgument(valid.c_str());

    // Regression test the image
    vtkTestingInteractor::TestReturnStatus =
      testing->RegressionTest(vtkTestingInteractor::ErrorThreshold);
  }
}

//------------------------------------------------------------------------------
void vtkTestingInteractor::PrintSelf(ostream& os, vtkIndent indent)
{
  // Superclass typedef defined in vtkTypeMacro() found in vtkSetGet.h
  this->Superclass::PrintSelf(os, indent);
}
VTK_ABI_NAMESPACE_END