GDCM 2.2.1

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CreateCMYKImage.cxx
/*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html 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 notice for more information.
=========================================================================*/
/*
* http://www.w3.org/Graphics/PNG/inline-alpha.html
* alphatest.png: PNG image data, 380 x 287, 8-bit/color RGBA, non-interlaced
*
* $ convert alphatest.png alphatest.cmyk
*/
#include "gdcmImageReader.h"
#include "gdcmSequenceOfFragments.h"
#include "gdcmSystem.h"
#include "gdcmImageWriter.h"
#include <iostream>
#include <fstream>
int main(int argc, char *argv[])
{
if( argc < 3 )
{
std::cerr << argv[0] << " input.cmyk output.dcm" << std::endl;
return 1;
}
const char *filename = argv[1];
const char *outfilename = argv[2];
size_t len = gdcm::System::FileSize(filename);
std::ifstream is(filename);
char * buf = new char[len];
is.read(buf, len);
gdcm::ImageWriter writer;
gdcm::Image &image = writer.GetImage();
image.SetNumberOfDimensions( 2 );
unsigned int dims[3] = {};
dims[0] = 380;
dims[1] = 287;
image.SetDimensions( dims );
gdcm::PixelFormat pf = gdcm::PixelFormat::UINT8;
pf.SetSamplesPerPixel( 4 );
image.SetPixelFormat( pf );
gdcm::PhotometricInterpretation pi = gdcm::PhotometricInterpretation::CMYK;
image.SetPhotometricInterpretation( pi );
image.SetTransferSyntax( gdcm::TransferSyntax::ExplicitVRLittleEndian );
gdcm::DataElement pixeldata( gdcm::Tag(0x7fe0,0x0010) );
pixeldata.SetByteValue( buf, (uint32_t)len );
image.SetDataElement( pixeldata );
writer.SetFileName( outfilename );
if( !writer.Write() )
{
return 1;
}
delete[] buf;
return 0;
}