Mercurial > hg > orthanc

comparison Core/DicomParsing/MemoryBufferTranscoder.cpp @ 3956:6e14f2da7c7e

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integration transcoding->mainline
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 20 May 2020 16:42:44 +0200
parents 5fe8c6d3212e
children
comparison
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3892:fe0e4ef52a72 3956:6e14f2da7c7e
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 #if !defined(NDEBUG) // For debugging
41 # include "ParsedDicomFile.h"
42 #endif
43
44 namespace Orthanc
45 {
46 static void CheckTargetSyntax(const std::string& transcoded,
47 const std::set<DicomTransferSyntax>& allowedSyntaxes)
48 {
49 #if !defined(NDEBUG)
50 // Debug mode
51 ParsedDicomFile parsed(transcoded);
52
53 std::string s;
54 DicomTransferSyntax a, b;
55 if (!parsed.LookupTransferSyntax(s) ||
56 !FromDcmtkBridge::LookupOrthancTransferSyntax(a, parsed.GetDcmtkObject()) ||
57 !LookupTransferSyntax(b, s) ||
58 a != b ||
59 allowedSyntaxes.find(a) == allowedSyntaxes.end())
60 {
61 throw OrthancException(
62 ErrorCode_Plugin,
63 "DEBUG - The transcoding plugin has not written to one of the allowed transfer syntaxes");
64 }
65 #endif
66 }
67
68
69 bool MemoryBufferTranscoder::Transcode(DicomImage& target,
70 DicomImage& source,
71 const std::set<DicomTransferSyntax>& allowedSyntaxes,
72 bool allowNewSopInstanceUid)
73 {
74 target.Clear();
75
76 #if !defined(NDEBUG)
77 // Don't run this code in release mode, as it implies parsing the DICOM file
78 DicomTransferSyntax sourceSyntax;
79 if (!FromDcmtkBridge::LookupOrthancTransferSyntax(sourceSyntax, source.GetParsed()))
80 {
81 LOG(ERROR) << "Unsupport transfer syntax for transcoding";
82 return false;
83 }
84
85 const std::string sourceSopInstanceUid = GetSopInstanceUid(source.GetParsed());
86 #endif
87
88 std::string buffer;
89 if (TranscodeBuffer(buffer, source.GetBufferData(), source.GetBufferSize(),
90 allowedSyntaxes, allowNewSopInstanceUid))
91 {
92 CheckTargetSyntax(buffer, allowedSyntaxes); // For debug only
93
94 target.AcquireBuffer(buffer);
95
96 #if !defined(NDEBUG)
97 // Only run the sanity check in debug mode
98 CheckTranscoding(target, sourceSyntax, sourceSopInstanceUid,
99 allowedSyntaxes, allowNewSopInstanceUid);
100 #endif
101
102 return true;
103 }
104 else
105 {
106 return false;
107 }
108 }
109 }