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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkFFTShiftImageFilterTest.cxx
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkSimpleFilterWatcher.h"
#include <itkFFTShiftImageFilter.h>
#include "itkRGBPixel.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;
// TODO: should ResetPipeline() be required?
filter->ResetPipeline();
}
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( atoi( argv[3] ) );
if ( filter->GetInverse( ) != (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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