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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include <iostream>
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkImageDuplicator.h"
#include "itkAbsImageFilter.h"
#include "itkTestingMacros.h"
int
itkImageDuplicatorTest2(int argc, char * argv[])
{
if (argc < 3)
{
std::cerr << "Missing parameters." << std::endl;
std::cerr << "Usage: " << itkNameOfTestExecutableMacro(argv);
std::cerr << " Input Output" << std::endl;
return EXIT_FAILURE;
}
using PixelType = float;
constexpr unsigned int Dimension = 3;
using ImageType = itk::Image<PixelType, Dimension>;
using DuplicatorType = itk::ImageDuplicator<ImageType>;
auto dup = DuplicatorType::New();
using AbsType = itk::AbsImageFilter<ImageType, ImageType>;
auto absF = AbsType::New();
try
{
const auto inImage = itk::ReadImage<ImageType>(argv[1]);
ImageType::RegionType lpr = inImage->GetLargestPossibleRegion();
ImageType::RegionType region = lpr;
for (unsigned int d = 0; d < Dimension; ++d)
{
itk::IndexValueType size = region.GetSize(d);
region.SetIndex(d, size / 4);
region.SetSize(d, size / 2);
}
absF->SetInput(inImage);
absF->GetOutput()->SetRequestedRegion(region);
absF->Update();
ImageType::Pointer absImage = absF->GetOutput(); // different buffered and largest regions
dup->SetInputImage(absF->GetOutput());
dup->Update();
ImageType::ConstPointer dupImage = dup->GetOutput();
itk::WriteImage(dupImage, argv[2]);
std::cout << "Test SUCCESS" << std::endl;
}
catch (const itk::ExceptionObject & e)
{
std::cerr << e << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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