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comparison Framework/Loaders/SeriesThumbnailsLoader.h @ 1381:f4a06ad1580b

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Branch broker is now the new default
author Benjamin Golinvaux <bgo@osimis.io>
date Wed, 22 Apr 2020 14:05:47 +0200
parents 0ca50d275b9a
children 9cbc6d21ae89
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1375:4431ffdcc2a4 1381:f4a06ad1580b
1 /**
2 * Stone of Orthanc
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 Affero General Public License
9 * as published by the Free Software Foundation, either version 3 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #pragma once
23
24 #include "../Oracle/GetOrthancImageCommand.h"
25 #include "../Oracle/HttpCommand.h"
26 #include "../Oracle/OracleCommandExceptionMessage.h"
27 #include "../Oracle/OrthancRestApiCommand.h"
28 #include "DicomSource.h"
29 #include "ILoaderFactory.h"
30 #include "OracleScheduler.h"
31
32
33 namespace OrthancStone
34 {
35 enum SeriesThumbnailType
36 {
37 SeriesThumbnailType_NotLoaded = 1, // The remote server cannot decode this image
38 SeriesThumbnailType_Unsupported = 2, // The remote server cannot decode this image
39 SeriesThumbnailType_Pdf = 3,
40 SeriesThumbnailType_Video = 4,
41 SeriesThumbnailType_Image = 5
42 };
43
44
45 class SeriesThumbnailsLoader :
46 public IObservable,
47 public ObserverBase<SeriesThumbnailsLoader>
48 {
49 private:
50 class Thumbnail : public boost::noncopyable
51 {
52 private:
53 SeriesThumbnailType type_;
54 std::string image_;
55 std::string mime_;
56
57 public:
58 Thumbnail(const std::string& image,
59 const std::string& mime);
60
61 Thumbnail(SeriesThumbnailType type);
62
63 SeriesThumbnailType GetType() const
64 {
65 return type_;
66 }
67
68 const std::string& GetImage() const
69 {
70 return image_;
71 }
72
73 const std::string& GetMime() const
74 {
75 return mime_;
76 }
77 };
78
79 public:
80 class ThumbnailLoadedMessage : public OriginMessage<SeriesThumbnailsLoader>
81 {
82 ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
83
84 private:
85 const DicomSource& source_;
86 const std::string& studyInstanceUid_;
87 const std::string& seriesInstanceUid_;
88 const Thumbnail& thumbnail_;
89
90 public:
91 ThumbnailLoadedMessage(const SeriesThumbnailsLoader& origin,
92 const DicomSource& source,
93 const std::string& studyInstanceUid,
94 const std::string& seriesInstanceUid,
95 const Thumbnail& thumbnail) :
96 OriginMessage(origin),
97 source_(source),
98 studyInstanceUid_(studyInstanceUid),
99 seriesInstanceUid_(seriesInstanceUid),
100 thumbnail_(thumbnail)
101 {
102 }
103
104 const DicomSource& GetDicomSource() const
105 {
106 return source_;
107 }
108
109 SeriesThumbnailType GetType() const
110 {
111 return thumbnail_.GetType();
112 }
113
114 const std::string& GetStudyInstanceUid() const
115 {
116 return studyInstanceUid_;
117 }
118
119 const std::string& GetSeriesInstanceUid() const
120 {
121 return seriesInstanceUid_;
122 }
123
124 const std::string& GetEncodedImage() const
125 {
126 return thumbnail_.GetImage();
127 }
128
129 const std::string& GetMime() const
130 {
131 return thumbnail_.GetMime();
132 }
133 };
134
135 private:
136 class Handler;
137 class DicomWebSopClassHandler;
138 class DicomWebThumbnailHandler;
139 class ThumbnailInformation;
140 class OrthancSopClassHandler;
141 class SelectOrthancInstanceHandler;
142
143 // Maps a "Series Instance UID" to a thumbnail
144 typedef std::map<std::string, Thumbnail*> Thumbnails;
145
146 ILoadersContext& context_;
147 Thumbnails thumbnails_;
148 int priority_;
149 unsigned int width_;
150 unsigned int height_;
151
152 void AcquireThumbnail(const DicomSource& source,
153 const std::string& studyInstanceUid,
154 const std::string& seriesInstanceUid,
155 Thumbnail* thumbnail /* takes ownership */);
156
157 void Schedule(IOracleCommand* command);
158
159 void Handle(const HttpCommand::SuccessMessage& message);
160
161 void Handle(const OrthancRestApiCommand::SuccessMessage& message);
162
163 void Handle(const GetOrthancImageCommand::SuccessMessage& message);
164
165 void Handle(const OracleCommandExceptionMessage& message);
166
167 SeriesThumbnailsLoader(ILoadersContext& context,
168 int priority);
169
170 public:
171 class Factory : public ILoaderFactory
172 {
173 private:
174 int priority_;
175
176 public:
177 Factory() :
178 priority_(0)
179 {
180 }
181
182 void SetPriority(int priority)
183 {
184 priority_ = priority;
185 }
186
187 virtual boost::shared_ptr<IObserver> Create(ILoadersContext::ILock& context);
188 };
189
190
191 virtual ~SeriesThumbnailsLoader()
192 {
193 Clear();
194 }
195
196 void SetThumbnailSize(unsigned int width,
197 unsigned int height);
198
199 void Clear();
200
201 SeriesThumbnailType GetSeriesThumbnail(std::string& image,
202 std::string& mime,
203 const std::string& seriesInstanceUid) const;
204
205 void ScheduleLoadThumbnail(const DicomSource& source,
206 const std::string& patientId,
207 const std::string& studyInstanceUid,
208 const std::string& seriesInstanceUid);
209 };
210 }