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/*=========================================================================
Program: Advanced Normalization Tools
Module: $RCSfile: ConvertToJpg.cxx,v $
Language: C++
Date: $Date: 2008/11/15 23:46:06 $
Version: $Revision: 1.19 $
Copyright (c) ConsortiumOfANTS. All rights reserved.
See accompanying COPYING.txt or
http://sourceforge.net/projects/advants/files/ANTS/ANTSCopyright.txt 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.
=========================================================================*/
#include "antsUtilities.h"
#include <algorithm>
#include <algorithm>
#include <iostream>
#include <fstream>
#include <stdio.h>
#include <limits.h>
#include "itkImage.h"
#include "itkImageFileWriter.h"
#include "itkImageFileReader.h"
#include "itkCastImageFilter.h"
#include "itkRescaleIntensityImageFilter.h"
namespace ants
{
template <unsigned int ImageDimension, class TPIXELTYPE>
int ConvertType(int argc, char *argv[], double MINVAL, double MAXVAL)
{
typedef TPIXELTYPE outPixelType;
typedef float floatPixelType;
typedef float inPixelType;
typedef itk::Image<inPixelType, ImageDimension> ImageType;
typedef itk::Image<floatPixelType, ImageDimension> IntermediateType;
typedef itk::Image<outPixelType, ImageDimension> OutImageType;
typedef itk::ImageFileReader<ImageType> readertype;
typedef itk::ImageFileWriter<OutImageType> writertype;
typename readertype::Pointer reader = readertype::New();
if( argc < 2 )
{
std::cout << "Missing input filename" << std::endl;
throw;
}
reader->SetFileName(argv[1]);
reader->Update();
std::cout << " Updated reader " << std::endl;
typedef itk::CastImageFilter<ImageType, IntermediateType> castertype;
typename castertype::Pointer caster = castertype::New();
caster->SetInput(reader->GetOutput() );
caster->Update();
// Rescale the image intensities so that they fall between 0 and 255
typedef itk::RescaleIntensityImageFilter<IntermediateType, IntermediateType> FilterType;
typename FilterType::Pointer fixedrescalefilter = FilterType::New();
fixedrescalefilter->SetInput(caster->GetOutput() );
const double desiredMinimum = MINVAL;
double desiredMaximum = MAXVAL;
fixedrescalefilter->SetOutputMinimum( desiredMinimum );
fixedrescalefilter->SetOutputMaximum( desiredMaximum );
fixedrescalefilter->UpdateLargestPossibleRegion();
typedef itk::CastImageFilter<IntermediateType, OutImageType> castertype2;
typename castertype2::Pointer caster2 = castertype2::New();
caster2->SetInput(fixedrescalefilter->GetOutput() );
caster2->Update();
typename OutImageType::Pointer outim = caster2->GetOutput();
typename OutImageType::SpacingType spc = outim->GetSpacing();
outim->SetSpacing(spc);
std::cout << " Dire in " << reader->GetOutput()->GetDirection() << std::endl;
std::cout << " Dire out " << outim->GetDirection() << std::endl;
typename writertype::Pointer writer = writertype::New();
if( argc < 3 )
{
std::cout << "Missing output filename" << std::endl;
throw;
}
writer->SetFileName(argv[2]);
writer->SetInput(outim);
writer->Update();
writer->Write();
return EXIT_SUCCESS;
}
// entry point for the library; parameter 'args' is equivalent to 'argv' in (argc,argv) of commandline parameters to
// 'main()'
int ConvertImagePixelType( std::vector<std::string> args, std::ostream* /*out_stream = NULL */ )
{
// put the arguments coming in as 'args' into standard (argc,argv) format;
// 'args' doesn't have the command name as first, argument, so add it manually;
// 'args' may have adjacent arguments concatenated into one argument,
// which the parser should handle
args.insert( args.begin(), "ConvertImagePixelType" );
int argc = args.size();
char* * argv = new char *[args.size() + 1];
for( unsigned int i = 0; i < args.size(); ++i )
{
// allocate space for the string plus a null character
argv[i] = new char[args[i].length() + 1];
std::strncpy( argv[i], args[i].c_str(), args[i].length() );
// place the null character in the end
argv[i][args[i].length()] = '\0';
}
argv[argc] = ITK_NULLPTR;
// class to automatically cleanup argv upon destruction
class Cleanup_argv
{
public:
Cleanup_argv( char* * argv_, int argc_plus_one_ ) : argv( argv_ ), argc_plus_one( argc_plus_one_ )
{
}
~Cleanup_argv()
{
for( unsigned int i = 0; i < argc_plus_one; ++i )
{
delete[] argv[i];
}
delete[] argv;
}
private:
char* * argv;
unsigned int argc_plus_one;
};
Cleanup_argv cleanup_argv( argv, argc + 1 );
// antscout->set_stream( out_stream );
if( argc < 3 )
{
std::cout << "Usage: " << argv[0] << " infile.nii out.ext TYPE-OPTION " << std::endl;
std::cout << " ext is the extension you want, e.g. tif. " << std::endl;
std::cout << " TYPE-OPTION : TYPE " << std::endl;
std::cout << " 0 : char " << std::endl;
std::cout << " 1 : unsigned char " << std::endl;
std::cout << " 2 : short " << std::endl;
std::cout << " 3 : unsigned short " << std::endl;
std::cout << " 4 : int " << std::endl;
std::cout << " 5 : unsigned int " << std::endl;
std::cout
<< " Note that some pixel types are not supported by some image formats. e.g. int is not supported by jpg. "
<< std::endl;
std::cout
<< " You can easily extend this for other pixel types with a few lines of code and adding usage info. "
<< std::endl;
std::cout
<<
" The image intensity will be scaled to the dynamic range of the pixel type. E.g. uchar => 0 (min), 255 (max). "
<< std::endl;
if( argc >= 2 &&
( std::string( argv[1] ) == std::string("--help") || std::string( argv[1] ) == std::string("-h") ) )
{
return EXIT_SUCCESS;
}
return EXIT_FAILURE;
}
unsigned int typeoption = 0;
if( argc > 3 )
{
typeoption = atoi(argv[3]);
}
// Get the image dimension
std::string fn = std::string(argv[1]);
itk::ImageIOBase::Pointer imageIO =
itk::ImageIOFactory::CreateImageIO(
fn.c_str(), itk::ImageIOFactory::ReadMode);
imageIO->SetFileName(fn.c_str() );
imageIO->ReadImageInformation();
if( typeoption == 0 )
{
switch( imageIO->GetNumberOfDimensions() )
{
case 2:
{
ConvertType<2, char>(argc, argv, SCHAR_MIN, SCHAR_MAX );
}
break;
case 3:
{
ConvertType<3, char>(argc, argv, SCHAR_MIN, SCHAR_MAX );
}
break;
default:
std::cout << "Unsupported dimension" << std::endl;
return EXIT_FAILURE;
}
}
else if( typeoption == 1 )
{
switch( imageIO->GetNumberOfDimensions() )
{
case 2:
{
ConvertType<2, unsigned char>(argc, argv, 0, UCHAR_MAX );
}
break;
case 3:
{
ConvertType<3, unsigned char>(argc, argv, 0, UCHAR_MAX );
}
break;
default:
std::cout << "Unsupported dimension" << std::endl;
return EXIT_FAILURE;
}
}
else if( typeoption == 2 )
{
switch( imageIO->GetNumberOfDimensions() )
{
case 2:
{
ConvertType<2, short>(argc, argv, SHRT_MIN, SHRT_MAX);
}
break;
case 3:
{
ConvertType<3, short>(argc, argv, SHRT_MIN, SHRT_MAX);
}
break;
default:
std::cout << "Unsupported dimension" << std::endl;
return EXIT_FAILURE;
}
}
else if( typeoption == 3 )
{
switch( imageIO->GetNumberOfDimensions() )
{
case 2:
{
ConvertType<2, unsigned short>(argc, argv, 0, USHRT_MAX );
}
break;
case 3:
{
ConvertType<3, unsigned short>(argc, argv, 0, USHRT_MAX );
}
break;
default:
std::cout << "Unsupported dimension" << std::endl;
return EXIT_FAILURE;
}
}
else if( typeoption == 4 )
{
switch( imageIO->GetNumberOfDimensions() )
{
case 2:
{
ConvertType<2, int>(argc, argv, INT_MIN, INT_MAX);
}
break;
case 3:
{
ConvertType<3, int>(argc, argv, INT_MIN, INT_MAX);
}
break;
default:
std::cout << "Unsupported dimension" << std::endl;
return EXIT_FAILURE;
}
}
else if( typeoption == 5 )
{
switch( imageIO->GetNumberOfDimensions() )
{
case 2:
{
ConvertType<2, unsigned int>(argc, argv, 0, UINT_MAX );
}
break;
case 3:
{
ConvertType<3, unsigned int>(argc, argv, 0, UINT_MAX );
}
break;
default:
std::cout << "Unsupported dimension" << std::endl;
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
} // namespace ants
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