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/*=========================================================================
Program: Visualization Toolkit
Module: vtkNrrdReader.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.
=========================================================================*/
/*----------------------------------------------------------------------------
Copyright (c) Sandia Corporation
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/
#include "vtkNrrdReader.h"
#include "vtkActor2D.h"
#include "vtkCamera.h"
#include "vtkImageMapper.h"
#include "vtkNew.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkTestUtilities.h"
int TestNrrdReader(int argc, char* argv[])
{
char* filename1 = vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/beach.nrrd");
char* filename2 = vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/beach.ascii.nhdr");
char* filename3 = vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/beach_gzip.nrrd");
if ((filename1 == nullptr) || (filename2 == nullptr) || (filename3 == nullptr))
{
cerr << "Could not get file names.";
return 1;
}
vtkNew<vtkNrrdReader> reader1;
if (!reader1->CanReadFile(filename1))
{
cerr << "Reader reports " << filename1 << " cannot be read.";
return 1;
}
reader1->SetFileName(filename1);
reader1->Update();
vtkNew<vtkImageMapper> mapper1;
mapper1->SetInputConnection(reader1->GetOutputPort());
mapper1->SetColorWindow(256);
mapper1->SetColorLevel(127.5);
vtkNew<vtkActor2D> actor1;
actor1->SetMapper(mapper1);
vtkNew<vtkRenderer> renderer1;
renderer1->AddActor(actor1);
vtkNew<vtkNrrdReader> reader2;
if (!reader2->CanReadFile(filename2))
{
cerr << "Reader reports " << filename2 << " cannot be read.";
return 1;
}
reader2->SetFileName(filename2);
reader2->Update();
vtkNew<vtkImageMapper> mapper2;
mapper2->SetInputConnection(reader2->GetOutputPort());
mapper2->SetColorWindow(1.0);
mapper2->SetColorLevel(0.5);
vtkNew<vtkActor2D> actor2;
actor2->SetMapper(mapper2);
vtkNew<vtkRenderer> renderer2;
renderer2->AddActor(actor2);
vtkNew<vtkNrrdReader> reader3;
if (!reader3->CanReadFile(filename3))
{
cerr << "Reader reports " << filename3 << " cannot be read.";
return 1;
}
reader3->SetFileName(filename3);
reader3->Update();
vtkNew<vtkImageMapper> mapper3;
mapper3->SetInputConnection(reader3->GetOutputPort());
mapper3->SetColorWindow(256);
mapper3->SetColorLevel(127.5);
vtkNew<vtkActor2D> actor3;
actor3->SetMapper(mapper3);
vtkNew<vtkRenderer> renderer3;
renderer3->AddActor(actor3);
vtkNew<vtkRenderWindow> renderWindow;
renderWindow->SetSize(300, 100);
renderer1->SetViewport(0.0, 0.0, 0.333, 1.0);
renderWindow->AddRenderer(renderer1);
renderer2->SetViewport(0.333, 0.0, 0.666, 1.0);
renderWindow->AddRenderer(renderer2);
renderer3->SetViewport(0.666, 0.0, 1.0, 1.0);
renderWindow->AddRenderer(renderer3);
vtkNew<vtkRenderWindowInteractor> interactor;
interactor->SetRenderWindow(renderWindow);
int retVal = vtkRegressionTestImage(renderWindow);
if (retVal == vtkRegressionTester::DO_INTERACTOR)
{
renderWindow->Render();
interactor->Start();
retVal = vtkRegressionTester::PASSED;
}
delete[] filename1;
delete[] filename2;
delete[] filename3;
return (retVal != vtkRegressionTester::PASSED);
}
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