Mercurial > hg > orthanc-stone
annotate Framework/Loaders/OrthancSeriesVolumeProgressiveLoader.h @ 1337:b1396be5aa27 broker
Moved the fixed loaders back from the dead
author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Fri, 03 Apr 2020 16:13:06 +0200 |
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children | 556b4bc19118 |
rev | line source |
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1 /** |
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2 * Stone of Orthanc |
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
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6 * |
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7 * This program is free software: you can redistribute it and/or |
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8 * modify it under the terms of the GNU Affero General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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10 * the License, or (at your option) any later version. |
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11 * |
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12 * This program is distributed in the hope that it will be useful, but |
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Affero General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Affero General Public License |
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 **/ |
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20 |
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21 |
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22 #pragma once |
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23 |
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24 #include "../../Loaders/IFetchingItemsSorter.h" |
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25 #include "../../Loaders/IFetchingStrategy.h" |
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26 #include "../../Messages/IObservable.h" |
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27 #include "../../Messages/ObserverBase.h" |
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28 #include "../../Oracle/GetOrthancImageCommand.h" |
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29 #include "../../Oracle/GetOrthancWebViewerJpegCommand.h" |
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30 #include "../../Oracle/IOracle.h" |
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31 #include "../../Oracle/OrthancRestApiCommand.h" |
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32 #include "../../Toolbox/SlicesSorter.h" |
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33 #include "../../Volumes/DicomVolumeImage.h" |
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34 #include "../../Volumes/IVolumeSlicer.h" |
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35 |
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36 #include "../Volumes/IGeometryProvider.h" |
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37 |
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38 |
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39 #include <boost/shared_ptr.hpp> |
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40 |
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41 namespace OrthancStone |
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42 { |
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43 /** |
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44 This class is used to manage the progressive loading of a volume that |
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45 is stored in a Dicom series. |
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46 */ |
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47 class OrthancSeriesVolumeProgressiveLoader : |
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48 public OrthancStone::ObserverBase<OrthancSeriesVolumeProgressiveLoader>, |
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49 public OrthancStone::IObservable, |
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50 public OrthancStone::IVolumeSlicer, |
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51 public IGeometryProvider |
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52 { |
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53 private: |
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54 static const unsigned int QUALITY_00 = 0; |
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55 static const unsigned int QUALITY_01 = 1; |
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56 static const unsigned int QUALITY_02 = 2; |
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57 |
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58 class ExtractedSlice; |
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59 |
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60 /** Helper class internal to OrthancSeriesVolumeProgressiveLoader */ |
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61 class SeriesGeometry : public boost::noncopyable |
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62 { |
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63 private: |
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64 void CheckSlice(size_t index, |
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65 const OrthancStone::DicomInstanceParameters& reference) const; |
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66 |
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67 void CheckVolume() const; |
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68 |
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69 void Clear(); |
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70 |
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71 void CheckSliceIndex(size_t index) const; |
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72 |
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73 std::unique_ptr<OrthancStone::VolumeImageGeometry> geometry_; |
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74 std::vector<OrthancStone::DicomInstanceParameters*> slices_; |
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75 std::vector<uint64_t> slicesRevision_; |
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76 |
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77 public: |
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78 ~SeriesGeometry() |
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79 { |
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80 Clear(); |
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81 } |
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82 |
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83 void ComputeGeometry(OrthancStone::SlicesSorter& slices); |
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84 |
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85 virtual bool HasGeometry() const |
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86 { |
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87 return geometry_.get() != NULL; |
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88 } |
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89 |
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90 virtual const OrthancStone::VolumeImageGeometry& GetImageGeometry() const; |
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91 |
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92 const OrthancStone::DicomInstanceParameters& GetSliceParameters(size_t index) const; |
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93 |
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94 uint64_t GetSliceRevision(size_t index) const; |
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95 |
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96 void IncrementSliceRevision(size_t index); |
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97 }; |
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98 |
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99 void ScheduleNextSliceDownload(); |
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100 |
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101 void LoadGeometry(const OrthancStone::OrthancRestApiCommand::SuccessMessage& message); |
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102 |
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103 void SetSliceContent(unsigned int sliceIndex, |
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104 const Orthanc::ImageAccessor& image, |
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105 unsigned int quality); |
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106 |
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107 void LoadBestQualitySliceContent(const OrthancStone::GetOrthancImageCommand::SuccessMessage& message); |
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108 |
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109 void LoadJpegSliceContent(const OrthancStone::GetOrthancWebViewerJpegCommand::SuccessMessage& message); |
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110 |
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111 OrthancStone::ILoadersContext& loadersContext_; |
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112 bool active_; |
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113 bool progressiveQuality_; |
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114 unsigned int simultaneousDownloads_; |
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115 SeriesGeometry seriesGeometry_; |
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116 boost::shared_ptr<OrthancStone::DicomVolumeImage> volume_; |
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117 std::unique_ptr<OrthancStone::IFetchingItemsSorter::IFactory> sorter_; |
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118 std::unique_ptr<OrthancStone::IFetchingStrategy> strategy_; |
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119 std::vector<unsigned int> slicesQuality_; |
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120 bool volumeImageReadyInHighQuality_; |
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121 |
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122 OrthancSeriesVolumeProgressiveLoader( |
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123 OrthancStone::ILoadersContext& loadersContext, |
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124 boost::shared_ptr<OrthancStone::DicomVolumeImage> volume, |
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125 bool progressiveQuality); |
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126 |
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127 public: |
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128 ORTHANC_STONE_DEFINE_ORIGIN_MESSAGE(__FILE__, __LINE__, VolumeImageReadyInHighQuality, OrthancSeriesVolumeProgressiveLoader); |
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129 |
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130 /** |
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131 See doc for the progressiveQuality_ field |
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132 */ |
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133 static boost::shared_ptr<OrthancSeriesVolumeProgressiveLoader> Create( |
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134 OrthancStone::ILoadersContext& context, |
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135 boost::shared_ptr<OrthancStone::DicomVolumeImage> volume, |
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136 bool progressiveQuality = false); |
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137 |
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138 virtual ~OrthancSeriesVolumeProgressiveLoader(); |
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139 |
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140 void SetSimultaneousDownloads(unsigned int count); |
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141 |
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142 bool IsVolumeImageReadyInHighQuality() const |
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143 { |
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144 return volumeImageReadyInHighQuality_; |
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145 } |
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146 |
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147 void LoadSeries(const std::string& seriesId); |
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148 |
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149 /** |
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150 This getter is used by clients that do not receive the geometry through |
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151 subscribing, for instance if they are created or listening only AFTER the |
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152 "geometry loaded" message is broadcast |
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153 */ |
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154 bool HasGeometry() const ORTHANC_OVERRIDE |
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155 { |
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156 return seriesGeometry_.HasGeometry(); |
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157 } |
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158 |
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159 /** |
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160 Same remark as HasGeometry |
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161 */ |
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162 const OrthancStone::VolumeImageGeometry& GetImageGeometry() const ORTHANC_OVERRIDE |
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163 { |
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164 return seriesGeometry_.GetImageGeometry(); |
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165 } |
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166 |
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167 /** |
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168 When a slice is requested, the strategy algorithm (that defines the |
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169 sequence of resources to be loaded from the server) is modified to |
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170 take into account this request (this is done in the ExtractedSlice ctor) |
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171 */ |
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172 virtual IExtractedSlice* |
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173 ExtractSlice(const OrthancStone::CoordinateSystem3D& cuttingPlane) ORTHANC_OVERRIDE; |
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174 }; |
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175 } |