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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 "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkSimpleFilterWatcher.h"
#include "itkFFTShiftImageFilter.h"
int itkFFTShiftImageFilterTest(int argc, char * argv[])
{
if( argc != 4 )
{
std::cerr << "usage: " << argv[0] << " inputImage outputImage inverse" << std::endl;
std::cerr << " inputImage: The input image." << std::endl;
std::cerr << " outputImage: The output image." << std::endl;
std::cerr << " inverse: 0, to perform a forward transform, or 1 to perform" << std::endl;
std::cerr << " an inverse transform." << std::endl;
return EXIT_FAILURE;
}
const int dim = 3;
typedef itk::RGBPixel< unsigned char > PType;
typedef itk::Image< PType, dim > IType;
typedef itk::ImageFileReader< IType > ReaderType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( argv[1] );
typedef itk::FFTShiftImageFilter< IType, IType > FilterType;
FilterType::Pointer filter = FilterType::New();
// test default values
if ( filter->GetInverse( ) != false )
{
std::cerr << "Wrong default Inverse." << std::endl;
return EXIT_FAILURE;
}
//
// Tests for raising code coverage
//
try
{
filter->Update();
std::cerr << "Failed to throw expected exception" << std::endl;
return EXIT_FAILURE;
}
catch( itk::ExceptionObject & excp )
{
std::cout << excp << std::endl;
std::cout << "catched EXPECTED exception for emtpy image as input" << std::endl;
}
filter->InverseOn();
if( !filter->GetInverse() )
{
std::cerr << "Set/GetInverse() error" << std::endl;
return EXIT_FAILURE;
}
filter->InverseOff();
if( filter->GetInverse() )
{
std::cerr << "Set/GetInverse() error" << std::endl;
return EXIT_FAILURE;
}
filter->SetInput( reader->GetOutput() );
filter->SetInverse( static_cast<bool>( atoi( argv[3] ) ) );
if ( filter->GetInverse( ) != static_cast<bool>(atoi(argv[3])) )
{
std::cerr << "Set/Get Inverse problem." << std::endl;
return EXIT_FAILURE;
}
itk::SimpleFilterWatcher watcher(filter, "filter");
typedef itk::ImageFileWriter< IType > WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetInput( filter->GetOutput() );
writer->SetFileName( argv[2] );
try
{
writer->Update();
}
catch ( itk::ExceptionObject & excp )
{
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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