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comparison Framework/Loaders/SeriesThumbnailsLoader.h @ 1228:c471a0aa137b broker

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adding the next generation of loaders
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 09 Dec 2019 13:58:37 +0100
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children 7a0460c5e98e
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1227:a1c0c9c9f9af 1228:c471a0aa137b
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2019 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_Unknown = 1,
38 SeriesThumbnailType_Pdf = 2,
39 SeriesThumbnailType_Video = 3,
40 SeriesThumbnailType_Image = 4
41 };
42
43
44 class SeriesThumbnailsLoader :
45 public IObservable,
46 public ObserverBase<SeriesThumbnailsLoader>
47 {
48 private:
49 class Thumbnail : public boost::noncopyable
50 {
51 private:
52 SeriesThumbnailType type_;
53 std::string image_;
54 std::string mime_;
55
56 public:
57 Thumbnail(const std::string& image,
58 const std::string& mime);
59
60 Thumbnail(SeriesThumbnailType type);
61
62 SeriesThumbnailType GetType() const
63 {
64 return type_;
65 }
66
67 const std::string& GetImage() const
68 {
69 return image_;
70 }
71
72 const std::string& GetMime() const
73 {
74 return mime_;
75 }
76 };
77
78 public:
79 class ThumbnailLoadedMessage : public OriginMessage<SeriesThumbnailsLoader>
80 {
81 ORTHANC_STONE_MESSAGE(__FILE__, __LINE__);
82
83 private:
84 const DicomSource& source_;
85 const std::string& studyInstanceUid_;
86 const std::string& seriesInstanceUid_;
87 const Thumbnail& thumbnail_;
88
89 public:
90 ThumbnailLoadedMessage(const SeriesThumbnailsLoader& origin,
91 const DicomSource& source,
92 const std::string& studyInstanceUid,
93 const std::string& seriesInstanceUid,
94 const Thumbnail& thumbnail) :
95 OriginMessage(origin),
96 source_(source),
97 studyInstanceUid_(studyInstanceUid),
98 seriesInstanceUid_(seriesInstanceUid),
99 thumbnail_(thumbnail)
100 {
101 }
102
103 const DicomSource& GetDicomSource() const
104 {
105 return source_;
106 }
107
108 SeriesThumbnailType GetType() const
109 {
110 return thumbnail_.GetType();
111 }
112
113 const std::string& GetStudyInstanceUid() const
114 {
115 return studyInstanceUid_;
116 }
117
118 const std::string& GetSeriesInstanceUid() const
119 {
120 return seriesInstanceUid_;
121 }
122
123 const std::string& GetEncodedImage() const
124 {
125 return thumbnail_.GetImage();
126 }
127
128 const std::string& GetMime() const
129 {
130 return thumbnail_.GetMime();
131 }
132 };
133
134 private:
135 class Handler;
136 class DicomWebSopClassHandler;
137 class DicomWebThumbnailHandler;
138 class ThumbnailInformation;
139 class OrthancSopClassHandler;
140 class SelectOrthancInstanceHandler;
141
142 // Maps a "Series Instance UID" to a thumbnail
143 typedef std::map<std::string, Thumbnail*> Thumbnails;
144
145 ILoadersContext& context_;
146 Thumbnails thumbnails_;
147 int priority_;
148 unsigned int width_;
149 unsigned int height_;
150
151 void AcquireThumbnail(const DicomSource& source,
152 const std::string& studyInstanceUid,
153 const std::string& seriesInstanceUid,
154 Thumbnail* thumbnail /* takes ownership */);
155
156 void Schedule(IOracleCommand* command);
157
158 void Handle(const HttpCommand::SuccessMessage& message);
159
160 void Handle(const OrthancRestApiCommand::SuccessMessage& message);
161
162 void Handle(const GetOrthancImageCommand::SuccessMessage& message);
163
164 void Handle(const OracleCommandExceptionMessage& message);
165
166 SeriesThumbnailsLoader(ILoadersContext& context,
167 int priority);
168
169 public:
170 class Factory : public ILoaderFactory
171 {
172 private:
173 int priority_;
174
175 public:
176 Factory() :
177 priority_(0)
178 {
179 }
180
181 void SetPriority(int priority)
182 {
183 priority_ = priority;
184 }
185
186 virtual boost::shared_ptr<IObserver> Create(ILoadersContext::ILock& context);
187 };
188
189
190 virtual ~SeriesThumbnailsLoader()
191 {
192 Clear();
193 }
194
195 void SetThumbnailSize(unsigned int width,
196 unsigned int height);
197
198 void Clear();
199
200 SeriesThumbnailType GetSeriesThumbnail(std::string& image,
201 std::string& mime,
202 const std::string& seriesInstanceUid) const;
203
204 void ScheduleLoadThumbnail(const DicomSource& source,
205 const std::string& patientId,
206 const std::string& studyInstanceUid,
207 const std::string& seriesInstanceUid);
208 };
209 }