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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 "itkDCMTKImageIO.h"
#include "itkRescaleIntensityImageFilter.h"
#include <fstream>
#define SPECIFIC_IMAGEIO_MODULE_TEST
int itkDCMTKImageIOTest(int ac, char* av[])
{
if(ac < 5)
{
std::cerr << "Usage: " << av[0] << " DicomImage OutputDicomImage OutputImage RescalDicomImage\n";
return EXIT_FAILURE;
}
typedef short InputPixelType;
typedef itk::Image< InputPixelType, 2 > InputImageType;
typedef itk::ImageFileReader< InputImageType > ReaderType;
typedef itk::DCMTKImageIO ImageIOType;
ImageIOType::Pointer dcmtkImageIO = ImageIOType::New();
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( av[1] );
reader->SetImageIO( dcmtkImageIO );
// reader->DebugOn();
try
{
reader->Update();
}
catch (itk::ExceptionObject & e)
{
std::cerr << "exception in file reader " << std::endl;
std::cerr << e << std::endl;
return EXIT_FAILURE;
}
// Rescale intensities and rewrite the image in another format
//
typedef unsigned char WritePixelType;
typedef itk::Image< WritePixelType, 2 > WriteImageType;
typedef itk::RescaleIntensityImageFilter<
InputImageType, WriteImageType > RescaleFilterType;
RescaleFilterType::Pointer rescaler = RescaleFilterType::New();
rescaler->SetOutputMinimum( 0 );
rescaler->SetOutputMaximum( 255 );
rescaler->SetInput( reader->GetOutput() );
typedef itk::ImageFileWriter< WriteImageType > Writer2Type;
Writer2Type::Pointer writer2 = Writer2Type::New();
// writer2->DebugOn();
writer2->SetFileName( av[3] );
writer2->SetInput( rescaler->GetOutput() );
try
{
writer2->Update();
}
catch (itk::ExceptionObject & e)
{
std::cerr << "exception in file writer " << std::endl;
std::cerr << e << std::endl;
return EXIT_FAILURE;
}
dcmtkImageIO->Print( std::cout );
return EXIT_SUCCESS;
}
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