Mercurial > hg > orthanc-stone
comparison Framework/Loaders/OrthancSeriesVolumeProgressiveLoader.h @ 814:aead999345e0
reorganization
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 28 May 2019 21:16:39 +0200 |
parents | |
children | 81d30cd93b65 |
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813:bc7ee59420a1 | 814:aead999345e0 |
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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 "../Messages/IObservable.h" | |
25 #include "../Messages/IObserver.h" | |
26 #include "../Oracle/GetOrthancImageCommand.h" | |
27 #include "../Oracle/GetOrthancWebViewerJpegCommand.h" | |
28 #include "../Oracle/IOracle.h" | |
29 #include "../Oracle/OrthancRestApiCommand.h" | |
30 #include "../Toolbox/SlicesSorter.h" | |
31 #include "../Volumes/DicomVolumeImage.h" | |
32 #include "../Volumes/IVolumeSlicer.h" | |
33 #include "IFetchingItemsSorter.h" | |
34 #include "IFetchingStrategy.h" | |
35 | |
36 #include <boost/shared_ptr.hpp> | |
37 | |
38 namespace OrthancStone | |
39 { | |
40 /** | |
41 This class is used to manage the progressive loading of a volume that | |
42 is stored in a Dicom series. | |
43 */ | |
44 class OrthancSeriesVolumeProgressiveLoader : | |
45 public IObserver, | |
46 public IObservable, | |
47 public IVolumeSlicer | |
48 { | |
49 private: | |
50 static const unsigned int LOW_QUALITY = 0; | |
51 static const unsigned int MIDDLE_QUALITY = 1; | |
52 static const unsigned int BEST_QUALITY = 2; | |
53 | |
54 class ExtractedSlice; | |
55 | |
56 /** Helper class internal to OrthancSeriesVolumeProgressiveLoader */ | |
57 class SeriesGeometry : public boost::noncopyable | |
58 { | |
59 private: | |
60 void CheckSlice(size_t index, | |
61 const DicomInstanceParameters& reference) const; | |
62 | |
63 void CheckVolume() const; | |
64 | |
65 void Clear(); | |
66 | |
67 void CheckSliceIndex(size_t index) const; | |
68 | |
69 std::auto_ptr<VolumeImageGeometry> geometry_; | |
70 std::vector<DicomInstanceParameters*> slices_; | |
71 std::vector<uint64_t> slicesRevision_; | |
72 | |
73 public: | |
74 ~SeriesGeometry() | |
75 { | |
76 Clear(); | |
77 } | |
78 | |
79 void ComputeGeometry(SlicesSorter& slices); | |
80 | |
81 bool HasGeometry() const | |
82 { | |
83 return geometry_.get() != NULL; | |
84 } | |
85 | |
86 const VolumeImageGeometry& GetImageGeometry() const; | |
87 | |
88 const DicomInstanceParameters& GetSliceParameters(size_t index) const; | |
89 | |
90 uint64_t GetSliceRevision(size_t index) const; | |
91 | |
92 void IncrementSliceRevision(size_t index); | |
93 }; | |
94 | |
95 | |
96 void ScheduleNextSliceDownload(); | |
97 | |
98 void LoadGeometry(const OrthancRestApiCommand::SuccessMessage& message); | |
99 | |
100 void SetSliceContent(unsigned int sliceIndex, | |
101 const Orthanc::ImageAccessor& image, | |
102 unsigned int quality); | |
103 | |
104 void LoadBestQualitySliceContent(const GetOrthancImageCommand::SuccessMessage& message); | |
105 | |
106 void LoadJpegSliceContent(const GetOrthancWebViewerJpegCommand::SuccessMessage& message); | |
107 | |
108 IOracle& oracle_; | |
109 bool active_; | |
110 unsigned int simultaneousDownloads_; | |
111 SeriesGeometry seriesGeometry_; | |
112 boost::shared_ptr<DicomVolumeImage> volume_; | |
113 std::auto_ptr<IFetchingItemsSorter::IFactory> sorter_; | |
114 std::auto_ptr<IFetchingStrategy> strategy_; | |
115 std::vector<unsigned int> slicesQuality_; | |
116 | |
117 | |
118 public: | |
119 OrthancSeriesVolumeProgressiveLoader(const boost::shared_ptr<DicomVolumeImage>& volume, | |
120 IOracle& oracle, | |
121 IObservable& oracleObservable); | |
122 | |
123 void SetSimultaneousDownloads(unsigned int count); | |
124 | |
125 void LoadSeries(const std::string& seriesId); | |
126 | |
127 /** | |
128 When a slice is requested, the strategy algorithm (that defines the | |
129 sequence of resources to be loaded from the server) is modified to | |
130 take into account this request (this is done in the ExtractedSlice ctor) | |
131 */ | |
132 virtual IExtractedSlice* ExtractSlice(const CoordinateSystem3D& cuttingPlane); | |
133 }; | |
134 } |