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comparison OrthancFramework/Sources/DicomParsing/IDicomTranscoder.h @ 4044:d25f4c0fa160 framework

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splitting code into OrthancFramework and OrthancServer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 10 Jun 2020 20:30:34 +0200
parents Core/DicomParsing/IDicomTranscoder.h@f9863630ec7f
children e00f3d089991
comparison
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4043:6c6239aec462 4044:d25f4c0fa160
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 #pragma once
35
36 #include "../Compatibility.h"
37 #include "../Enumerations.h"
38
39 #include <boost/noncopyable.hpp>
40 #include <set>
41
42 class DcmFileFormat;
43
44 namespace Orthanc
45 {
46 class ParsedDicomFile;
47
48 /**
49 * WARNING: This class might be called from several threads at
50 * once. Make sure to implement proper locking.
51 **/
52 class ORTHANC_PUBLIC IDicomTranscoder : public boost::noncopyable
53 {
54 public:
55 class DicomImage : public boost::noncopyable
56 {
57 private:
58 std::unique_ptr<DcmFileFormat> parsed_;
59 std::unique_ptr<std::string> buffer_;
60 bool isExternalBuffer_;
61 const void* externalBuffer_;
62 size_t externalSize_;
63
64 void Parse();
65
66 void Serialize();
67
68 DcmFileFormat* ReleaseParsed();
69
70 public:
71 DicomImage();
72
73 void Clear();
74
75 // Calling this method will invalidate the "ParsedDicomFile" object
76 void AcquireParsed(ParsedDicomFile& parsed);
77
78 void AcquireParsed(DcmFileFormat* parsed);
79
80 void AcquireParsed(DicomImage& other);
81
82 void AcquireBuffer(std::string& buffer /* will be swapped */);
83
84 void AcquireBuffer(DicomImage& other);
85
86 void SetExternalBuffer(const void* buffer,
87 size_t size);
88
89 void SetExternalBuffer(const std::string& buffer);
90
91 DcmFileFormat& GetParsed();
92
93 ParsedDicomFile* ReleaseAsParsedDicomFile();
94
95 const void* GetBufferData();
96
97 size_t GetBufferSize();
98 };
99
100
101 protected:
102 enum TranscodingType
103 {
104 TranscodingType_Lossy,
105 TranscodingType_Lossless,
106 TranscodingType_Unknown
107 };
108
109 static TranscodingType GetTranscodingType(DicomTransferSyntax target,
110 DicomTransferSyntax source);
111
112 static void CheckTranscoding(DicomImage& transcoded,
113 DicomTransferSyntax sourceSyntax,
114 const std::string& sourceSopInstanceUid,
115 const std::set<DicomTransferSyntax>& allowedSyntaxes,
116 bool allowNewSopInstanceUid);
117
118 public:
119 virtual ~IDicomTranscoder()
120 {
121 }
122
123 virtual bool Transcode(DicomImage& target,
124 DicomImage& source /* in, "GetParsed()" possibly modified */,
125 const std::set<DicomTransferSyntax>& allowedSyntaxes,
126 bool allowNewSopInstanceUid) = 0;
127
128 static std::string GetSopInstanceUid(DcmFileFormat& dicom);
129 };
130 }