Mercurial > hg > orthanc-stone
annotate Applications/Samples/Sdl/SingleFrameViewer/SdlSimpleViewerApplication.h @ 1933:7b9ad2f519c4
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 25 Apr 2022 08:33:23 +0200 |
parents | 898774b4e02d |
children | 5a434f5889f8 |
rev | line source |
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1457 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2022 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
1457 | 7 * |
8 * This program is free software: you can redistribute it and/or | |
9 * modify it under the terms of the GNU Affero General Public License | |
10 * as published by the Free Software Foundation, either version 3 of | |
11 * the License, or (at your option) any later version. | |
12 * | |
13 * This program is distributed in the hope that it will be useful, but | |
14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 * Affero General Public License for more details. | |
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17 * |
1457 | 18 * You should have received a copy of the GNU Affero General Public License |
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
20 **/ | |
21 | |
22 | |
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23 #pragma once |
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24 |
1542 | 25 #include "../../../../OrthancStone/Sources/Loaders/DicomResourcesLoader.h" |
26 #include "../../../../OrthancStone/Sources/Loaders/ILoadersContext.h" | |
27 #include "../../../../OrthancStone/Sources/Loaders/SeriesFramesLoader.h" | |
28 #include "../../../../OrthancStone/Sources/Loaders/SeriesThumbnailsLoader.h" | |
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29 #include "../../../../OrthancStone/Sources/Scene2DViewport/ViewportController.h" |
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30 #include "../../../../OrthancStone/Sources/Viewport/IViewport.h" |
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31 |
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32 #include <Compatibility.h> // For std::unique_ptr<> |
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33 |
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34 #include <boost/make_shared.hpp> |
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35 |
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36 |
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37 using OrthancStone::ILoadersContext; |
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38 using OrthancStone::ObserverBase; |
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39 using OrthancStone::IViewport; |
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40 using OrthancStone::DicomResourcesLoader; |
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41 using OrthancStone::SeriesFramesLoader; |
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42 using OrthancStone::TextureBaseSceneLayer; |
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43 using OrthancStone::DicomSource; |
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44 using OrthancStone::SeriesThumbnailsLoader; |
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45 using OrthancStone::LoadedDicomResources; |
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46 using OrthancStone::SeriesThumbnailType; |
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47 using OrthancStone::OracleScheduler; |
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48 using OrthancStone::OrthancRestApiCommand; |
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49 using OrthancStone::OracleScheduler; |
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50 using OrthancStone::OracleScheduler; |
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51 using OrthancStone::OracleScheduler; |
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52 |
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53 |
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54 class SdlSimpleViewerApplication : public ObserverBase<SdlSimpleViewerApplication> |
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55 { |
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56 |
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57 public: |
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58 static boost::shared_ptr<SdlSimpleViewerApplication> Create(ILoadersContext& context, boost::shared_ptr<IViewport> viewport) |
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59 { |
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60 boost::shared_ptr<SdlSimpleViewerApplication> application(new SdlSimpleViewerApplication(context, viewport)); |
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61 |
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62 { |
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63 std::unique_ptr<ILoadersContext::ILock> lock(context.Lock()); |
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64 application->dicomLoader_ = DicomResourcesLoader::Create(*lock); |
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65 } |
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66 |
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67 application->Register<DicomResourcesLoader::SuccessMessage>(*application->dicomLoader_, &SdlSimpleViewerApplication::Handle); |
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68 |
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69 return application; |
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70 } |
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71 |
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72 void LoadOrthancFrame(const DicomSource& source, const std::string& instanceId, unsigned int frame) |
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73 { |
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74 std::unique_ptr<ILoadersContext::ILock> lock(context_.Lock()); |
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75 |
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76 dicomLoader_->ScheduleLoadOrthancResource(boost::make_shared<LoadedDicomResources>(Orthanc::DICOM_TAG_SOP_INSTANCE_UID), |
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77 0, source, Orthanc::ResourceType_Instance, instanceId, |
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78 new Orthanc::SingleValueObject<unsigned int>(frame)); |
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79 } |
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80 |
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81 #if 0 |
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82 void LoadDicomWebFrame(const DicomSource& source, |
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83 const std::string& studyInstanceUid, |
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84 const std::string& seriesInstanceUid, |
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85 const std::string& sopInstanceUid, |
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86 unsigned int frame) |
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87 { |
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88 std::unique_ptr<ILoadersContext::ILock> lock(context_.Lock()); |
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89 |
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90 // We first must load the "/metadata" to know the number of frames |
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91 dicomLoader_->ScheduleGetDicomWeb( |
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92 boost::make_shared<LoadedDicomResources>(Orthanc::DICOM_TAG_SOP_INSTANCE_UID), 0, source, |
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93 "/studies/" + studyInstanceUid + "/series/" + seriesInstanceUid + "/instances/" + sopInstanceUid + "/metadata", |
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94 new Orthanc::SingleValueObject<unsigned int>(frame)); |
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95 } |
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96 #endif |
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97 |
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98 void FitContent() |
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99 { |
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100 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); |
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101 lock->GetCompositor().FitContent(lock->GetController().GetScene()); |
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102 lock->Invalidate(); |
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103 } |
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104 |
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105 OrthancStone::Units GetUnits() const |
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106 { |
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107 return units_; |
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108 } |
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109 |
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110 private: |
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111 ILoadersContext& context_; |
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112 boost::shared_ptr<IViewport> viewport_; |
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113 boost::shared_ptr<DicomResourcesLoader> dicomLoader_; |
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114 boost::shared_ptr<SeriesFramesLoader> framesLoader_; |
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115 OrthancStone::Units units_; |
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116 |
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117 SdlSimpleViewerApplication(ILoadersContext& context, |
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118 boost::shared_ptr<IViewport> viewport) : |
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119 context_(context), |
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120 viewport_(viewport), |
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121 units_(OrthancStone::Units_Pixels) |
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122 { |
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123 } |
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124 |
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125 void Handle(const SeriesFramesLoader::FrameLoadedMessage& message) |
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126 { |
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127 LOG(INFO) << "Frame decoded! " |
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128 << message.GetImage().GetWidth() << "x" << message.GetImage().GetHeight() |
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129 << " " << Orthanc::EnumerationToString(message.GetImage().GetFormat()); |
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130 |
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131 std::unique_ptr<TextureBaseSceneLayer> layer( |
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132 message.GetInstanceParameters().CreateTexture(message.GetImage())); |
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133 layer->SetLinearInterpolation(true); |
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134 |
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135 { |
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136 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); |
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137 lock->GetController().GetScene().SetLayer(0, layer.release()); |
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138 lock->GetCompositor().FitContent(lock->GetController().GetScene()); |
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139 lock->Invalidate(); |
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140 } |
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141 } |
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142 |
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143 void Handle(const DicomResourcesLoader::SuccessMessage& message) |
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144 { |
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145 if (message.GetResources()->GetSize() != 1) |
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146 { |
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147 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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148 } |
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149 |
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150 OrthancStone::DicomInstanceParameters parameters(message.GetResources()->GetResource(0)); |
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151 if (parameters.HasPixelSpacing()) |
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152 { |
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153 /** |
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154 * TODO - Ultrasound (US) images store an equivalent to |
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155 * "PixelSpacing" in the "SequenceOfUltrasoundRegions" |
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156 * (0018,6011) sequence, cf. tags "PhysicalDeltaX" (0018,602c) |
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157 * and "PhysicalDeltaY" (0018,602e) => This would require |
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158 * parsing "message.GetResources()->GetSourceJson(0)" |
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159 * => cf. "DicomInstanceParameters::EnrichUsingDicomWeb()" |
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160 **/ |
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161 |
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162 // std::cout << message.GetResources()->GetSourceJson(0).toStyledString(); |
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163 |
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164 LOG(INFO) << "Using millimeters units, as the DICOM instance contains the PixelSpacing tag"; |
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165 units_ = OrthancStone::Units_Millimeters; |
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166 } |
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167 else |
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168 { |
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169 LOG(INFO) << "Using pixels units, as the DICOM instance does *not* contain the PixelSpacing tag"; |
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170 } |
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171 |
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172 //message.GetResources()->GetResource(0).Print(stdout); |
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173 |
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174 { |
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175 std::unique_ptr<ILoadersContext::ILock> lock(context_.Lock()); |
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176 SeriesFramesLoader::Factory f(*message.GetResources()); |
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177 |
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178 framesLoader_ = boost::dynamic_pointer_cast<SeriesFramesLoader>( |
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179 f.Create(*lock)); |
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180 |
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181 Register<SeriesFramesLoader::FrameLoadedMessage>( |
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182 *framesLoader_, &SdlSimpleViewerApplication::Handle); |
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183 |
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184 assert(message.HasUserPayload()); |
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185 |
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186 const Orthanc::SingleValueObject<unsigned int>& payload = |
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187 dynamic_cast<const Orthanc::SingleValueObject<unsigned int>&>( |
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188 message.GetUserPayload()); |
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189 |
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190 LOG(INFO) << "Loading pixel data of frame: " << payload.GetValue(); |
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191 framesLoader_->ScheduleLoadFrame( |
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192 0, message.GetDicomSource(), payload.GetValue(), |
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193 message.GetDicomSource().GetQualityCount() - 1 /* download best quality available */, |
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194 NULL); |
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195 } |
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196 } |
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197 |
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198 }; |
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199 |