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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 "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkImageRegionConstIterator.h"
#include "itkNumericTraits.h"
#include <iostream>
#include "itkTestingMacros.h"
using PixelType = unsigned long long;
using ImageType = itk::Image<PixelType, 3>;
int
verifyContent(ImageType::Pointer image)
{
itk::ImageRegionConstIterator<ImageType> it(image, image->GetBufferedRegion());
unsigned long long imageSize = 4 * 3 * 2;
unsigned long long value = 1;
while (!it.IsAtEnd() && value <= imageSize)
{
if (value == imageSize)
{
// last pixel is maximum 64-bit value
value = itk::NumericTraits<PixelType>::max();
}
if (it.Get() != value)
{
std::cerr << "Failure reading value " << value << ". Instead got: " << it.Get() << std::endl;
return EXIT_FAILURE;
}
++it;
++value;
}
return EXIT_SUCCESS;
}
int
itk64bitTest(int argc, char * argv[])
{
if (argc < 3)
{
std::cerr << "Invocation syntax:\n\t" << itkNameOfTestExecutableMacro(argv);
std::cerr << " Test64bit.nrrd Test64bit.mha" << std::endl;
return EXIT_FAILURE;
}
int returnValue = EXIT_SUCCESS;
using ReaderType = itk::ImageFileReader<ImageType>;
auto reader = ReaderType::New();
reader->SetFileName(argv[1]); // Input/Test64bit.nrrd
try
{
std::cout << "Reading " << argv[1] << std::endl;
reader->Update();
ImageType::Pointer image = reader->GetOutput();
returnValue += verifyContent(image);
std::cout << "Writing " << argv[2] << std::endl;
using WriterType = itk::ImageFileWriter<ImageType>;
auto writer = WriterType::New();
writer->SetInput(image);
writer->SetFileName(argv[2]);
writer->Update();
std::cout << "Reading " << argv[2] << std::endl;
reader->SetFileName(argv[2]);
reader->Update();
ImageType::Pointer image2 = reader->GetOutput();
returnValue += verifyContent(image2);
}
catch (const itk::ExceptionObject & exc)
{
std::cerr << exc;
return EXIT_FAILURE;
}
if (returnValue)
{
std::cout << "Test FAILED" << std::endl;
}
else
{
std::cout << "Test PASSED" << std::endl;
}
return returnValue;
}
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