Mercurial > hg > orthanc
annotate OrthancFramework/Sources/DicomFormat/DicomInstanceHasher.h @ 4494:39192eb9b43d
New metadata automatically computed at the instance level: "PixelDataOffset"
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 04 Feb 2021 15:31:00 +0100 |
| parents | d9473bd5ed43 |
| children | 7053502fbf97 |
| rev | line source |
|---|---|
| 178 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 1900 | 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 |
| 178 | 6 * |
| 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. |
| 178 | 11 * |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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15 * Lesser General Public License for more details. |
| 178 | 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/>. |
| 178 | 20 **/ |
| 21 | |
| 22 | |
| 23 #pragma once | |
| 24 | |
| 25 #include "DicomMap.h" | |
| 26 | |
| 27 namespace Orthanc | |
| 28 { | |
| 29 /** | |
| 30 * This class implements the hashing mechanism that is used to | |
| 31 * convert DICOM unique identifiers to Orthanc identifiers. Any | |
| 32 * Orthanc identifier for a DICOM resource corresponds to the SHA-1 | |
| 33 * hash of the DICOM identifiers. | |
| 34 | |
| 35 * \note SHA-1 hash is used because it is less sensitive to | |
| 36 * collision attacks than MD5. <a | |
| 37 * href="http://en.wikipedia.org/wiki/SHA-256#Comparison_of_SHA_functions">[Reference]</a> | |
| 38 **/ | |
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39 class ORTHANC_PUBLIC DicomInstanceHasher |
| 178 | 40 { |
| 41 private: | |
| 42 std::string patientId_; | |
| 179 | 43 std::string studyUid_; |
| 178 | 44 std::string seriesUid_; |
| 179 | 45 std::string instanceUid_; |
| 46 | |
| 47 std::string patientHash_; | |
| 48 std::string studyHash_; | |
| 49 std::string seriesHash_; | |
| 50 std::string instanceHash_; | |
| 178 | 51 |
| 315 | 52 void Setup(const std::string& patientId, |
| 53 const std::string& studyUid, | |
| 54 const std::string& seriesUid, | |
| 55 const std::string& instanceUid); | |
| 56 | |
| 178 | 57 public: |
| 4199 | 58 explicit DicomInstanceHasher(const DicomMap& instance); |
| 178 | 59 |
| 315 | 60 DicomInstanceHasher(const std::string& patientId, |
| 61 const std::string& studyUid, | |
| 62 const std::string& seriesUid, | |
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63 const std::string& instanceUid); |
| 315 | 64 |
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65 const std::string& GetPatientId() const; |
| 178 | 66 |
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67 const std::string& GetStudyUid() const; |
| 178 | 68 |
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69 const std::string& GetSeriesUid() const; |
| 178 | 70 |
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71 const std::string& GetInstanceUid() const; |
| 178 | 72 |
| 179 | 73 const std::string& HashPatient(); |
| 178 | 74 |
| 179 | 75 const std::string& HashStudy(); |
| 178 | 76 |
| 179 | 77 const std::string& HashSeries(); |
| 178 | 78 |
| 179 | 79 const std::string& HashInstance(); |
| 178 | 80 }; |
| 81 } |