Mercurial > hg > orthanc-stone
annotate Framework/SmartLoader.cpp @ 266:c9cf95b49a86 am-2
removed OrthancSlicesLoader::ISliceLoaderObserver; now using standard messages instead
author | am@osimis.io |
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date | Tue, 21 Aug 2018 18:14:22 +0200 |
parents | 77fdab5b5d6e |
children | 89d02de83c03 |
rev | line source |
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260 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2018 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 #include "SmartLoader.h" | |
23 #include "Layers/OrthancFrameLayerSource.h" | |
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24 #include "Layers/OrthancFrameLayer.h" |
260 | 25 |
26 namespace OrthancStone | |
27 { | |
28 SmartLoader::SmartLoader(MessageBroker& broker, IWebService& webService) : | |
29 IObservable(broker), | |
30 IObserver(broker), | |
31 imageQuality_(SliceImageQuality_FullPam), | |
32 webService_(webService) | |
33 {} | |
34 | |
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35 void SmartLoader::HandleMessage(const IObservable& from, const IMessage& message) |
260 | 36 { |
262 | 37 switch (message.GetType()) { |
38 case MessageType_SliceGeometryReady: | |
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39 { |
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40 const OrthancFrameLayerSource* layerSource=dynamic_cast<const OrthancFrameLayerSource*>(&from); |
262 | 41 // TODO keep track of objects that have been loaded already |
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42 }; break; |
262 | 43 case MessageType_SliceImageReady: |
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44 { |
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45 const OrthancFrameLayerSource* layerSource=dynamic_cast<const OrthancFrameLayerSource*>(&from); |
262 | 46 // TODO keep track of objects that have been loaded already |
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47 }; break; |
262 | 48 default: |
49 VLOG("unhandled message type" << message.GetType()); | |
50 } | |
51 | |
260 | 52 // forward messages to its own observers |
53 IObservable::broker_.EmitMessage(from, IObservable::observers_, message); | |
54 } | |
55 | |
56 ILayerSource* SmartLoader::GetFrame(const std::string& instanceId, unsigned int frame) | |
57 { | |
262 | 58 // TODO: check if this frame has already been loaded or is already being loaded. |
59 // - if already loaded: create a "clone" that will emit the GeometryReady/ImageReady messages "immediately" | |
60 // (it can not be immediate because Observers needs to register first and this is done after this method returns) | |
61 // - if currently loading, we need to return an object that will observe the existing LayerSource and forward | |
62 // the messages to its observables | |
63 // in both cases, we must be carefull about objects lifecycle !!! | |
260 | 64 std::auto_ptr<OrthancFrameLayerSource> layerSource (new OrthancFrameLayerSource(IObserver::broker_, webService_)); |
65 layerSource->SetImageQuality(imageQuality_); | |
66 layerSource->RegisterObserver(*this); | |
67 layerSource->LoadFrame(instanceId, frame); | |
68 | |
69 return layerSource.release(); | |
70 } | |
71 | |
72 | |
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73 void PreloadStudy(const std::string studyId) |
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74 { |
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75 /* TODO */ |
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76 } |
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77 |
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78 void PreloadSeries(const std::string seriesId) |
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79 { |
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80 /* TODO */ |
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81 } |
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82 |
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83 |
260 | 84 } |