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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 "itkImageFileWriter.h"
#include "itkImageFileReader.h"
int
itkImageFileWriterTest2(int argc, char * argv[])
{
if (argc < 2)
{
std::cout << "usage: itkIOTests itkImageFileWriterTest2 outputFileName" << std::endl;
return EXIT_FAILURE;
}
using ImageNDType = itk::Image<unsigned char, 2>;
using WriterType = itk::ImageFileWriter<ImageNDType>;
using ReaderType = itk::ImageFileReader<ImageNDType>;
auto image = ImageNDType::New();
ImageNDType::RegionType region;
ImageNDType::IndexType index;
ImageNDType::SizeType size;
ImageNDType::PointType originalPoint;
ImageNDType::PointType readPoint;
size.Fill(5);
index.Fill(1);
region.SetSize(size);
region.SetIndex(index);
image->SetRegions(region);
image->AllocateInitialized();
image->TransformIndexToPhysicalPoint(index, originalPoint);
std::cout << "Original Starting Index: " << index << std::endl;
std::cout << "Original Starting Point (physical cooridents) : " << originalPoint << std::endl;
std::cout << "Original Origin: " << image->GetOrigin() << std::endl;
auto writer = WriterType::New();
auto reader = ReaderType::New();
try
{
writer->SetInput(image);
writer->SetFileName(argv[1]);
writer->Update();
reader->SetFileName(argv[1]);
reader->Update();
index = reader->GetOutput()->GetLargestPossibleRegion().GetIndex();
reader->GetOutput()->TransformIndexToPhysicalPoint(index, readPoint);
std::cout << "Read Starting Index: " << index << std::endl;
std::cout << "Original Starting Point (physical cooridents) : " << readPoint << std::endl;
std::cout << "Read Origin: " << image->GetOrigin() << std::endl;
}
catch (const itk::ExceptionObject & ex)
{
std::cout << "caught exception!" << std::endl;
std::cout << ex;
return EXIT_FAILURE;
}
if (readPoint != originalPoint)
{
std::cout << "Image locations changed!" << std::endl;
return EXIT_FAILURE;
}
// execute the PrintSelf methods
std::cout << writer;
return EXIT_SUCCESS;
}
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