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3893
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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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) 2017-2020 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 General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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32
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33
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34 #pragma once
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35
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36 #if !defined(ORTHANC_ENABLE_DCMTK_TRANSCODING)
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37 # error Macro ORTHANC_ENABLE_DCMTK_TRANSCODING must be defined to use this file
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38 #endif
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39
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40 #if ORTHANC_ENABLE_DCMTK_TRANSCODING == 1
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41 # include "DcmtkTranscoder.h"
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42 #endif
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43
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44 namespace Orthanc
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45 {
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46 // This is the basis class for transcoding plugins
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47 class MemoryBufferTranscoder : public IDicomTranscoder
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48 {
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49 private:
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50 bool tryDcmtk_;
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51
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52 #if ORTHANC_ENABLE_DCMTK_TRANSCODING == 1
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53 DcmtkTranscoder dcmtk_;
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54 #endif
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55
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56 protected:
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57 virtual bool Transcode(std::string& target,
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58 const void* buffer,
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59 size_t size,
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60 const std::set<DicomTransferSyntax>& allowedSyntaxes,
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61 bool allowNewSopInstanceUid) = 0;
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62
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63 public:
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64 /**
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65 * If "tryDcmtk" is "true", the transcoder will first try and call
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66 * DCMTK, before calling its own "Transcode()" implementation.
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67 **/
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68 MemoryBufferTranscoder(bool tryDcmtk);
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69
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70 virtual bool TranscodeToBuffer(std::string& target,
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71 const void* buffer,
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72 size_t size,
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73 const std::set<DicomTransferSyntax>& allowedSyntaxes,
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74 bool allowNewSopInstanceUid) ORTHANC_OVERRIDE;
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75
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76 virtual DcmFileFormat* TranscodeToParsed(const void* buffer,
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77 size_t size,
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78 const std::set<DicomTransferSyntax>& allowedSyntaxes,
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79 bool allowNewSopInstanceUid) ORTHANC_OVERRIDE;
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80
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81 virtual bool HasInplaceTranscode() const ORTHANC_OVERRIDE
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82 {
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83 return tryDcmtk_;
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84 }
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85
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86 virtual bool InplaceTranscode(DcmFileFormat& dicom,
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87 const std::set<DicomTransferSyntax>& allowedSyntaxes,
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88 bool allowNewSopInstanceUid) ORTHANC_OVERRIDE;
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89 };
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90 }
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