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annotate OrthancStone/Sources/Toolbox/ParsedDicomDataset.cpp @ 1772:6c246f862b00

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unit test VolumeRendering.Basic
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 12 May 2021 17:24:24 +0200
parents 9ac2a65d4172
children 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 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Lesser General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Lesser General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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23 #include "ParsedDicomDataset.h"
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25 #include <dcmtk/dcmdata/dcfilefo.h>
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27 namespace OrthancStone
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28 {
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29 static DcmItem* LookupPath(Orthanc::ParsedDicomFile& dicom,
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30 const DicomPath& path)
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31 {
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32 DcmItem* node = dicom.GetDcmtkObject().getDataset();
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34 for (size_t i = 0; i < path.GetPrefixLength(); i++)
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35 {
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36 const Orthanc::DicomTag& tmp = path.GetPrefixTag(i);
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37 DcmTagKey tag(tmp.GetGroup(), tmp.GetElement());
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39 DcmSequenceOfItems* sequence = NULL;
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40 if (!node->findAndGetSequence(tag, sequence).good() ||
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41 sequence == NULL)
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42 {
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43 return NULL;
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44 }
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46 unsigned long pos = path.GetPrefixIndex(i);
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47 if (pos >= sequence->card())
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48 {
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49 return NULL;
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50 }
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52 node = sequence->getItem(pos);
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53 if (node == NULL)
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54 {
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55 return NULL;
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56 }
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57 }
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59 return node;
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60 }
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63 bool ParsedDicomDataset::GetStringValue(std::string& result,
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64 const DicomPath& path) const
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65 {
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66 DcmItem* node = LookupPath(dicom_, path);
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68 if (node != NULL)
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69 {
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70 DcmTagKey tag(path.GetFinalTag().GetGroup(), path.GetFinalTag().GetElement());
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72 const char* s = NULL;
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73 if (node->findAndGetString(tag, s).good() &&
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74 s != NULL)
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75 {
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76 result.assign(s);
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77 return true;
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78 }
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79 }
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81 return false;
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82 }
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85 bool ParsedDicomDataset::GetSequenceSize(size_t& size,
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86 const DicomPath& path) const
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87 {
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88 DcmItem* node = LookupPath(dicom_, path);
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90 if (node != NULL)
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91 {
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92 DcmTagKey tag(path.GetFinalTag().GetGroup(), path.GetFinalTag().GetElement());
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94 DcmSequenceOfItems* s = NULL;
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95 if (node->findAndGetSequence(tag, s).good() &&
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96 s != NULL)
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97 {
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98 size = s->card();
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99 return true;
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100 }
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101 }
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103 return false;
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104 }
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105 }