Mercurial > hg > orthanc

comparison Core/DicomParsing/MemoryBufferTranscoder.cpp @ 3893:7a5fa8f307e9 transcoding

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reorganization
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 06 May 2020 12:48:28 +0200
parents
children 8f7ad4989fec
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3891:5571082a9df6 3893:7a5fa8f307e9
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
11 *
12 * In addition, as a special exception, the copyright holders of this
13 * program give permission to link the code of its release with the
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
15 * that use the same license as the "OpenSSL" library), and distribute
16 * the linked executables. You must obey the GNU General Public License
17 * in all respects for all of the code used other than "OpenSSL". If you
18 * modify file(s) with this exception, you may extend this exception to
19 * your version of the file(s), but you are not obligated to do so. If
20 * you do not wish to do so, delete this exception statement from your
21 * version. If you delete this exception statement from all source files
22 * in the program, then also delete it here.
23 *
24 * This program is distributed in the hope that it will be useful, but
25 * WITHOUT ANY WARRANTY; without even the implied warranty of
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
27 * General Public License for more details.
28 *
29 * You should have received a copy of the GNU General Public License
30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
31 **/
32
33
34 #include "../PrecompiledHeaders.h"
35 #include "MemoryBufferTranscoder.h"
36
37 #include "../OrthancException.h"
38 #include "FromDcmtkBridge.h"
39
40 namespace Orthanc
41 {
42 MemoryBufferTranscoder::MemoryBufferTranscoder(bool tryDcmtk) :
43 tryDcmtk_(tryDcmtk)
44 {
45 #if ORTHANC_ENABLE_DCMTK_TRANSCODING != 1
46 if (tryDcmtk)
47 {
48 throw OrthancException(ErrorCode_NotImplemented,
49 "Orthanc was built without support for DMCTK transcoding");
50 }
51 #endif
52 }
53
54 bool MemoryBufferTranscoder::TranscodeToBuffer(std::string& target,
55 const void* buffer,
56 size_t size,
57 const std::set<DicomTransferSyntax>& allowedSyntaxes,
58 bool allowNewSopInstanceUid)
59 {
60 #if ORTHANC_ENABLE_DCMTK_TRANSCODING == 1
61 if (tryDcmtk_)
62 {
63 return dcmtk_.TranscodeToBuffer(target, buffer, size, allowedSyntaxes, allowNewSopInstanceUid);
64 }
65 else
66 #endif
67 {
68 return Transcode(target, buffer, size, allowedSyntaxes, allowNewSopInstanceUid);
69 }
70 }
71
72
73 DcmFileFormat* MemoryBufferTranscoder::TranscodeToParsed(const void* buffer,
74 size_t size,
75 const std::set<DicomTransferSyntax>& allowedSyntaxes,
76 bool allowNewSopInstanceUid)
77 {
78 #if ORTHANC_ENABLE_DCMTK_TRANSCODING == 1
79 if (tryDcmtk_)
80 {
81 return dcmtk_.TranscodeToParsed(buffer, size, allowedSyntaxes, allowNewSopInstanceUid);
82 }
83 else
84 #endif
85 {
86 std::string transcoded;
87 if (Transcode(transcoded, buffer, size, allowedSyntaxes, allowNewSopInstanceUid))
88 {
89 return FromDcmtkBridge::LoadFromMemoryBuffer(
90 transcoded.empty() ? NULL : transcoded.c_str(), transcoded.size());
91 }
92 else
93 {
94 return NULL;
95 }
96 }
97 }
98
99
100 bool MemoryBufferTranscoder::InplaceTranscode(DcmFileFormat& dicom,
101 const std::set<DicomTransferSyntax>& allowedSyntaxes,
102 bool allowNewSopInstanceUid)
103 {
104 #if ORTHANC_ENABLE_DCMTK_TRANSCODING == 1
105 if (tryDcmtk_)
106 {
107 return dcmtk_.InplaceTranscode(dicom, allowedSyntaxes, allowNewSopInstanceUid);
108 }
109 else
110 #endif
111 {
112 // "HasInplaceTranscode()" should have been called
113 throw OrthancException(ErrorCode_BadSequenceOfCalls);
114 }
115 }
116 }