Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/Toolbox/ParsedDicomDataset.cpp @ 1870:3889ae96d2e9

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added copyright UCLouvain
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 11 Jan 2022 11:04:09 +0100
parents 126522623e20
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2021 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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24 #include "ParsedDicomDataset.h"
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26 #include <dcmtk/dcmdata/dcfilefo.h>
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28 namespace OrthancStone
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29 {
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30 static DcmItem* LookupPath(Orthanc::ParsedDicomFile& dicom,
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31 const Orthanc::DicomPath& path)
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32 {
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33 DcmItem* node = dicom.GetDcmtkObject().getDataset();
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35 for (size_t i = 0; i < path.GetPrefixLength(); i++)
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36 {
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37 const Orthanc::DicomTag& tmp = path.GetPrefixTag(i);
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38 DcmTagKey tag(tmp.GetGroup(), tmp.GetElement());
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40 DcmSequenceOfItems* sequence = NULL;
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41 if (!node->findAndGetSequence(tag, sequence).good() ||
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42 sequence == NULL)
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43 {
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44 return NULL;
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45 }
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47 unsigned long pos = path.GetPrefixIndex(i);
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48 if (pos >= sequence->card())
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49 {
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50 return NULL;
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51 }
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53 node = sequence->getItem(pos);
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54 if (node == NULL)
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55 {
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56 return NULL;
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57 }
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58 }
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60 return node;
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61 }
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64 bool ParsedDicomDataset::GetStringValue(std::string& result,
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65 const Orthanc::DicomPath& path) const
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66 {
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67 DcmItem* node = LookupPath(dicom_, path);
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69 if (node != NULL)
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70 {
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71 DcmTagKey tag(path.GetFinalTag().GetGroup(), path.GetFinalTag().GetElement());
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73 const char* s = NULL;
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74 if (node->findAndGetString(tag, s).good() &&
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75 s != NULL)
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76 {
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77 result.assign(s);
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78 return true;
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79 }
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80 }
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82 return false;
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83 }
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86 bool ParsedDicomDataset::GetSequenceSize(size_t& size,
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87 const Orthanc::DicomPath& path) const
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88 {
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89 DcmItem* node = LookupPath(dicom_, path);
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91 if (node != NULL)
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92 {
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93 DcmTagKey tag(path.GetFinalTag().GetGroup(), path.GetFinalTag().GetElement());
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95 DcmSequenceOfItems* s = NULL;
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96 if (node->findAndGetSequence(tag, s).good() &&
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97 s != NULL)
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98 {
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99 size = s->card();
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100 return true;
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101 }
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102 }
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104 return false;
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105 }
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106 }