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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 <fstream>
#include "itkRandomImageSource.h"
#include "itkImageFileWriter.h"
#include "itkImageFileReader.h"
#include "itkRawImageIO.h"
#define SPECIFIC_IMAGEIO_MODULE_TEST
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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