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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 "itkSimpleFilterWatcher.h"
#include "itkFFTPadImageFilter.h"
#include "itkZeroFluxNeumannBoundaryCondition.h"
#include "itkPeriodicBoundaryCondition.h"
#include "itkConstantBoundaryCondition.h"
#include "itkTestingMacros.h"
#include "itkObjectFactoryBase.h"
#include "itkVnlForwardFFTImageFilter.h"
#if defined(ITK_USE_FFTWD) || defined(ITK_USE_FFTWF)
# include "itkFFTWForwardFFTImageFilter.h"
#endif
int
itkFFTPadImageFilterTest(int argc, char * argv[])
{
if (argc < 5)
{
std::cerr << "Usage: " << std::endl;
std::cerr << itkNameOfTestExecutableMacro(argv) << " inputImageFile outputImageFile greatestPrimeFactor padType"
<< std::endl;
return EXIT_FAILURE;
}
//
// The following code defines the input and output pixel types and their
// associated image types.
//
constexpr unsigned int Dimension = 2;
using PixelType = unsigned char;
using ImageType = itk::Image<PixelType, Dimension>;
// readers/writers
using ReaderType = itk::ImageFileReader<ImageType>;
using WriterType = itk::ImageFileWriter<ImageType>;
using FFTPadType = itk::FFTPadImageFilter<ImageType>;
auto reader = ReaderType::New();
reader->SetFileName(argv[1]);
itk::ZeroFluxNeumannBoundaryCondition<ImageType> zfnCond;
itk::ConstantBoundaryCondition<ImageType> zeroCond;
itk::PeriodicBoundaryCondition<ImageType> wrapCond;
// Create the filters
auto fftpad = FFTPadType::New();
ITK_EXERCISE_BASIC_OBJECT_METHODS(fftpad, FFTPadImageFilter, PadImageFilterBase);
itk::SizeValueType sizeGreatestPrimeFactor = std::stoi(argv[3]);
fftpad->SetSizeGreatestPrimeFactor(sizeGreatestPrimeFactor);
ITK_TEST_SET_GET_VALUE(sizeGreatestPrimeFactor, fftpad->GetSizeGreatestPrimeFactor());
fftpad->SetInput(reader->GetOutput());
std::string padMethod = argv[4];
if (padMethod == "Mirror")
{
// fftpad->SetBoundaryCondition( &mirrorCond );
}
else if (padMethod == "Zero")
{
fftpad->SetBoundaryCondition(&zeroCond);
}
else if (padMethod == "ZeroFluxNeumann")
{
fftpad->SetBoundaryCondition(&zfnCond);
}
else if (padMethod == "Wrap")
{
fftpad->SetBoundaryCondition(&wrapCond);
}
itk::SimpleFilterWatcher watchFFTPad(fftpad, "fftpad");
auto writer = WriterType::New();
writer->SetInput(fftpad->GetOutput());
writer->SetFileName(argv[2]);
ITK_TRY_EXPECT_NO_EXCEPTION(writer->Update());
// Ensure we can build with a different output image type.
using OutputImageType = itk::Image<double, Dimension>;
using FFTPadWithOutputType = itk::FFTPadImageFilter<ImageType, OutputImageType>;
auto fftPadWithOutput = FFTPadWithOutputType::New();
(void)fftPadWithOutput;
return EXIT_SUCCESS;
}
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