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

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reorganization
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 06 May 2020 12:48:28 +0200
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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 #pragma once
35
36 #if !defined(ORTHANC_ENABLE_DCMTK_TRANSCODING)
37 # error Macro ORTHANC_ENABLE_DCMTK_TRANSCODING must be defined to use this file
38 #endif
39
40 #if ORTHANC_ENABLE_DCMTK_TRANSCODING == 1
41 # include "DcmtkTranscoder.h"
42 #endif
43
44 namespace Orthanc
45 {
46 // This is the basis class for transcoding plugins
47 class MemoryBufferTranscoder : public IDicomTranscoder
48 {
49 private:
50 bool tryDcmtk_;
51
52 #if ORTHANC_ENABLE_DCMTK_TRANSCODING == 1
53 DcmtkTranscoder dcmtk_;
54 #endif
55
56 protected:
57 virtual bool Transcode(std::string& target,
58 const void* buffer,
59 size_t size,
60 const std::set<DicomTransferSyntax>& allowedSyntaxes,
61 bool allowNewSopInstanceUid) = 0;
62
63 public:
64 /**
65 * If "tryDcmtk" is "true", the transcoder will first try and call
66 * DCMTK, before calling its own "Transcode()" implementation.
67 **/
68 MemoryBufferTranscoder(bool tryDcmtk);
69
70 virtual bool TranscodeToBuffer(std::string& target,
71 const void* buffer,
72 size_t size,
73 const std::set<DicomTransferSyntax>& allowedSyntaxes,
74 bool allowNewSopInstanceUid) ORTHANC_OVERRIDE;
75
76 virtual DcmFileFormat* TranscodeToParsed(const void* buffer,
77 size_t size,
78 const std::set<DicomTransferSyntax>& allowedSyntaxes,
79 bool allowNewSopInstanceUid) ORTHANC_OVERRIDE;
80
81 virtual bool HasInplaceTranscode() const ORTHANC_OVERRIDE
82 {
83 return tryDcmtk_;
84 }
85
86 virtual bool InplaceTranscode(DcmFileFormat& dicom,
87 const std::set<DicomTransferSyntax>& allowedSyntaxes,
88 bool allowNewSopInstanceUid) ORTHANC_OVERRIDE;
89 };
90 }