StructuredReport.hpp

/* ***** BEGIN LICENSE BLOCK *****
 * FW4SPL - Copyright (C) IRCAD, 2009-2016.
 * Distributed under the terms of the GNU Lesser General Public License (LGPL) as
 * published by the Free Software Foundation.
 * ****** END LICENSE BLOCK ****** */

#ifndef __FWGDCMIO_HELPER_STRUCTUREDREPORT_HPP__
#define __FWGDCMIO_HELPER_STRUCTUREDREPORT_HPP__

#include "fwGdcmIO/container/sr/DicomSRContainerNode.hpp"
#include "fwGdcmIO/container/sr/DicomSRNode.hpp"
#include "fwGdcmIO/helper/DicomDataReader.hxx"

#include <gdcmDataSet.h>
#include <gdcmSequenceOfItems.h>

namespace fwGdcmIO
{

namespace helper
{

class FWGDCMIO_CLASS_API StructuredReport
{
public:

    FWGDCMIO_API static SPTR(::fwGdcmIO::container::sr::DicomSRContainerNode)
        readSR(const ::gdcm::DataSet& dataset);

    FWGDCMIO_API static void dumpSR(const SPTR(::fwGdcmIO::container::sr::DicomSRNode)& root,
                                    std::ostream& out = std::cout);

protected:

    static void readSubNodeContainer(const ::gdcm::DataSet& dataset,
                                     SPTR(::fwGdcmIO::container::sr::DicomSRNode) parent);

    static void readSubNode(const ::gdcm::DataSet& dataset,
                            SPTR(::fwGdcmIO::container::sr::DicomSRNode) parent);

    FWGDCMIO_API static void dumpSRNode(const SPTR(::fwGdcmIO::container::sr::DicomSRNode)& node,
                                        std::ostream& out, int& index);

    template <uint16_t GROUP, uint16_t ELEMENT>
    static ::fwGdcmIO::container::DicomCodedAttribute readCodeSequence(const ::gdcm::DataSet& dataset)
    {
        ::fwGdcmIO::container::DicomCodedAttribute codedAttributes;

        if ( !dataset.FindDataElement(::gdcm::Tag(GROUP,ELEMENT)))
        {
            // Return empty coded attributes
            return codedAttributes;
        }

        ::gdcm::SmartPointer< ::gdcm::SequenceOfItems > sequence =
            dataset.GetDataElement(::gdcm::Tag(GROUP,ELEMENT)).GetValueAsSQ();
        if (sequence->GetNumberOfItems() == 0)  // One Item shall be permitted
        {
            // Return empty coded attributes
            return codedAttributes;
        }

        const ::gdcm::DataSet& itemDataset = sequence->GetItem(1).GetNestedDataSet();

        // Code value - Type 1
        auto codeValue = ::fwGdcmIO::helper::DicomDataReader::getTagValue<0x0008,0x0100>(itemDataset);

        // Coding Scheme Designator - Type 1
        auto codingSchemeDesignator = ::fwGdcmIO::helper::DicomDataReader::getTagValue<0x0008,0x0102>(itemDataset);

        // Coding Scheme Version - Type 1C
        auto codingSchemeVersion = ::fwGdcmIO::helper::DicomDataReader::getTagValue<0x0008,0x0103>(itemDataset);

        // Code Meaning - Type 1
        auto codeMeaning = ::fwGdcmIO::helper::DicomDataReader::getTagValue<0x0008,0x0104>(itemDataset);

        return ::fwGdcmIO::container::DicomCodedAttribute(codeValue,
                                                          codingSchemeDesignator,
                                                          codeMeaning,
                                                          codingSchemeVersion);
    }
};

} // namespace helper
} // namespace fwGdcmIO

#endif /*__FWGDCMIO_HELPER_STRUCTUREDREPORT_HPP__*/