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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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
*
* http://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 "itkFFTConvolutionImageFilter.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkSimpleFilterWatcher.h"
#include "itkTestingMacros.h"
int itkFFTConvolutionImageFilterTestInt(int argc, char * argv[])
{
if ( argc < 4 )
{
std::cout << "Usage: " << argv[0]
<< " inputImage kernelImage outputImage [normalizeImage] [outputRegionMode]" << std::endl;
return EXIT_FAILURE;
}
const int ImageDimension = 2;
typedef unsigned char PixelType;
typedef itk::Image<PixelType, ImageDimension> ImageType;
typedef itk::ImageFileReader<ImageType> ReaderType;
ReaderType::Pointer reader1 = ReaderType::New();
reader1->SetFileName( argv[1] );
TRY_EXPECT_NO_EXCEPTION( reader1->Update() );
ReaderType::Pointer reader2 = ReaderType::New();
reader2->SetFileName( argv[2] );
TRY_EXPECT_NO_EXCEPTION( reader2->Update() );
typedef itk::FFTConvolutionImageFilter<ImageType> ConvolutionFilterType;
ConvolutionFilterType::Pointer convolver = ConvolutionFilterType::New();
EXERCISE_BASIC_OBJECT_METHODS( convolver, FFTConvolutionImageFilter, ConvolutionImageFilterBase );
convolver->SetInput( reader1->GetOutput() );
convolver->SetKernelImage( reader2->GetOutput() );
ConvolutionFilterType::SizeValueType sizeGreatestPrimeFactor = 2;
convolver->SetSizeGreatestPrimeFactor( sizeGreatestPrimeFactor );
TEST_SET_GET_VALUE( sizeGreatestPrimeFactor, convolver->GetSizeGreatestPrimeFactor() );
itk::SimpleFilterWatcher watcher(convolver, "filter");
if ( argc >= 5 )
{
convolver->SetNormalize( static_cast<bool>( atoi( argv[4] ) ) );
}
if ( argc >= 6 )
{
std::string outputRegionMode( argv[5] );
if ( outputRegionMode == "SAME" )
{
convolver->SetOutputRegionModeToSame();
TEST_SET_GET_VALUE( ConvolutionFilterType::SAME, convolver->GetOutputRegionMode() );
std::cout << "OutputRegionMode set to SAME." << std::endl;
}
else if ( outputRegionMode == "VALID" )
{
convolver->SetOutputRegionModeToValid();
TEST_SET_GET_VALUE( ConvolutionFilterType::VALID, convolver->GetOutputRegionMode() );
std::cout << "OutputRegionMode set to VALID." << std::endl;
}
else
{
std::cerr << "Invalid OutputRegionMode '" << outputRegionMode << "'." << std::endl;
std::cerr << "Valid values are SAME or VALID." << std::endl;
return EXIT_FAILURE;
}
}
TRY_EXPECT_NO_EXCEPTION( convolver->Update() );
typedef itk::ImageFileWriter< ImageType > WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetFileName( argv[3] );
writer->SetInput( convolver->GetOutput() );
TRY_EXPECT_NO_EXCEPTION( writer->Update() );
return EXIT_SUCCESS;
}
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