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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkRawImageIOTest.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 <iostream>
#include <fstream>
#include "itkRandomImageSource.h"
#include "itkImageFileWriter.h"
#include "itkImageFileReader.h"
#include "itkRawImageIO.h"
#include "itkImageRegionConstIterator.h"
int itkRawImageIOTest(int argc, char* argv[])
{
typedef itk::Image<unsigned short,2> ImageType;
typedef ImageType::PixelType PixelType;
typedef itk::ImageRegionConstIterator<
ImageType > ImageIteratorType;
if(argc < 3)
{
std::cerr << "Usage: " << argv[0] << " Output1 Output2\n";
return EXIT_FAILURE;
}
// Create a source object (in this case a random image generator).
// The source object is templated on the output type.
//
ImageType::SizeValueType size[2];
size[0]=128; size[1]=64;
itk::RandomImageSource<ImageType>::Pointer random;
random = itk::RandomImageSource<ImageType>::New();
random->SetMin(0);
random->SetMax(24680);
random->SetSize(size);
// Create a mapper (in this case a writer). A mapper
// is templated on the input type.
//
itk::RawImageIO<unsigned short,2>::Pointer io;
io = itk::RawImageIO<unsigned short,2>::New();
// io->SetFileTypeToASCII();
// Write out the image
itk::ImageFileWriter<ImageType>::Pointer writer;
writer = itk::ImageFileWriter<ImageType>::New();
writer->SetInput(random->GetOutput());
writer->SetFileName(argv[1]);
writer->SetImageIO(io);
try
{
writer->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Error while writing the image " << argv[1] << std::endl;
std::cerr << excp << std::endl;
}
// Create a source object (in this case a reader)
itk::ImageFileReader<ImageType>::Pointer reader;
reader = itk::ImageFileReader<ImageType>::New();
reader->SetImageIO(io);
reader->SetFileName(argv[1]);
try
{
reader->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Error while reading the image " << argv[1] << std::endl;
std::cerr << excp << std::endl;
}
// Compare pixel by pixel in memory
ImageIteratorType it( reader->GetOutput(),
reader->GetOutput()->GetBufferedRegion() );
ImageIteratorType ot( random->GetOutput(),
random->GetOutput()->GetBufferedRegion() );
it.GoToBegin();
ot.GoToBegin();
while( !it.IsAtEnd() )
{
const PixelType iv = it.Get();
const PixelType ov = ot.Get();
if( iv != ov )
{
std::cerr << "Error in read/write of pixel " << it.GetIndex() << std::endl;
std::cerr << "Read value is : " << iv << std::endl;
std::cerr << "it should be : " << ov << std::endl;
std::cerr << "Test FAILED ! " << std::endl;
return EXIT_FAILURE;
}
++it;
++ot;
}
writer->SetInput(reader->GetOutput());
writer->SetFileName(argv[2]);
writer->SetInput(reader->GetOutput());
try
{
writer->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Error while writing the image " << argv[2] << std::endl;
std::cerr << excp << std::endl;
}
std::cerr << "Test PASSED ! " << std::endl;
return EXIT_SUCCESS;
}
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