Mercurial > hg > orthanc-stone
annotate Applications/Samples/Sdl/SingleFrameViewer/SdlSimpleViewerApplication.h @ 1828:8bc9ba6f7518
integration StoneWebViewer-2.0->mainline
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 27 May 2021 11:06:46 +0200 |
parents | 0489fe25ce48 |
children | 3889ae96d2e9 |
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) 2017-2021 Osimis S.A., Belgium |
1457 | 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. | |
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16 * |
1457 | 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 | |
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22 #pragma once |
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23 |
1542 | 24 #include "../../../../OrthancStone/Sources/Loaders/DicomResourcesLoader.h" |
25 #include "../../../../OrthancStone/Sources/Loaders/ILoadersContext.h" | |
26 #include "../../../../OrthancStone/Sources/Loaders/SeriesFramesLoader.h" | |
27 #include "../../../../OrthancStone/Sources/Loaders/SeriesThumbnailsLoader.h" | |
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28 #include "../../../../OrthancStone/Sources/Scene2DViewport/ViewportController.h" |
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29 #include "../../../../OrthancStone/Sources/Viewport/IViewport.h" |
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30 |
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31 #include <Compatibility.h> // For std::unique_ptr<> |
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32 |
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33 #include <boost/make_shared.hpp> |
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34 |
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35 |
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36 using OrthancStone::ILoadersContext; |
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37 using OrthancStone::ObserverBase; |
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38 using OrthancStone::IViewport; |
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39 using OrthancStone::DicomResourcesLoader; |
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40 using OrthancStone::SeriesFramesLoader; |
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41 using OrthancStone::TextureBaseSceneLayer; |
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42 using OrthancStone::DicomSource; |
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43 using OrthancStone::SeriesThumbnailsLoader; |
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44 using OrthancStone::LoadedDicomResources; |
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45 using OrthancStone::SeriesThumbnailType; |
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46 using OrthancStone::OracleScheduler; |
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47 using OrthancStone::OrthancRestApiCommand; |
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48 using OrthancStone::OracleScheduler; |
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49 using OrthancStone::OracleScheduler; |
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50 using OrthancStone::OracleScheduler; |
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51 |
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52 |
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53 class SdlSimpleViewerApplication : public ObserverBase<SdlSimpleViewerApplication> |
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54 { |
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55 |
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56 public: |
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57 static boost::shared_ptr<SdlSimpleViewerApplication> Create(ILoadersContext& context, boost::shared_ptr<IViewport> viewport) |
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58 { |
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59 boost::shared_ptr<SdlSimpleViewerApplication> application(new SdlSimpleViewerApplication(context, viewport)); |
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60 |
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61 { |
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62 std::unique_ptr<ILoadersContext::ILock> lock(context.Lock()); |
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63 application->dicomLoader_ = DicomResourcesLoader::Create(*lock); |
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64 } |
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65 |
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66 application->Register<DicomResourcesLoader::SuccessMessage>(*application->dicomLoader_, &SdlSimpleViewerApplication::Handle); |
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67 |
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68 return application; |
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69 } |
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70 |
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71 void LoadOrthancFrame(const DicomSource& source, const std::string& instanceId, unsigned int frame) |
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72 { |
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73 std::unique_ptr<ILoadersContext::ILock> lock(context_.Lock()); |
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74 |
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75 dicomLoader_->ScheduleLoadOrthancResource(boost::make_shared<LoadedDicomResources>(Orthanc::DICOM_TAG_SOP_INSTANCE_UID), |
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76 0, source, Orthanc::ResourceType_Instance, instanceId, |
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77 new Orthanc::SingleValueObject<unsigned int>(frame)); |
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78 } |
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79 |
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80 #if 0 |
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81 void LoadDicomWebFrame(const DicomSource& source, |
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82 const std::string& studyInstanceUid, |
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83 const std::string& seriesInstanceUid, |
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84 const std::string& sopInstanceUid, |
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85 unsigned int frame) |
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86 { |
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87 std::unique_ptr<ILoadersContext::ILock> lock(context_.Lock()); |
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88 |
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89 // We first must load the "/metadata" to know the number of frames |
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90 dicomLoader_->ScheduleGetDicomWeb( |
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91 boost::make_shared<LoadedDicomResources>(Orthanc::DICOM_TAG_SOP_INSTANCE_UID), 0, source, |
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92 "/studies/" + studyInstanceUid + "/series/" + seriesInstanceUid + "/instances/" + sopInstanceUid + "/metadata", |
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93 new Orthanc::SingleValueObject<unsigned int>(frame)); |
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94 } |
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95 #endif |
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96 |
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97 void FitContent() |
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98 { |
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99 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); |
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100 lock->GetCompositor().FitContent(lock->GetController().GetScene()); |
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101 lock->Invalidate(); |
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102 } |
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103 |
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104 OrthancStone::Units GetUnits() const |
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105 { |
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106 return units_; |
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107 } |
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108 |
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109 private: |
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110 ILoadersContext& context_; |
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111 boost::shared_ptr<IViewport> viewport_; |
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112 boost::shared_ptr<DicomResourcesLoader> dicomLoader_; |
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113 boost::shared_ptr<SeriesFramesLoader> framesLoader_; |
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114 OrthancStone::Units units_; |
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115 |
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116 SdlSimpleViewerApplication(ILoadersContext& context, |
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117 boost::shared_ptr<IViewport> viewport) : |
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118 context_(context), |
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119 viewport_(viewport), |
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120 units_(OrthancStone::Units_Pixels) |
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121 { |
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122 } |
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123 |
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124 void Handle(const SeriesFramesLoader::FrameLoadedMessage& message) |
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125 { |
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126 LOG(INFO) << "Frame decoded! " |
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127 << message.GetImage().GetWidth() << "x" << message.GetImage().GetHeight() |
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128 << " " << Orthanc::EnumerationToString(message.GetImage().GetFormat()); |
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129 |
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130 std::unique_ptr<TextureBaseSceneLayer> layer( |
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131 message.GetInstanceParameters().CreateTexture(message.GetImage())); |
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132 layer->SetLinearInterpolation(true); |
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133 layer->SetPixelSpacing(message.GetInstanceParameters().GetPixelSpacingX(), |
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134 message.GetInstanceParameters().GetPixelSpacingY()); |
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135 |
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136 { |
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137 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock()); |
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138 lock->GetController().GetScene().SetLayer(0, layer.release()); |
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139 lock->GetCompositor().FitContent(lock->GetController().GetScene()); |
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140 lock->Invalidate(); |
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141 } |
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142 } |
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143 |
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144 void Handle(const DicomResourcesLoader::SuccessMessage& message) |
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145 { |
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146 if (message.GetResources()->GetSize() != 1) |
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147 { |
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148 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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149 } |
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150 |
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151 OrthancStone::DicomInstanceParameters parameters(message.GetResources()->GetResource(0)); |
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152 if (parameters.HasPixelSpacing()) |
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153 { |
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154 /** |
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155 * TODO - Ultrasound (US) images store an equivalent to |
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156 * "PixelSpacing" in the "SequenceOfUltrasoundRegions" |
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157 * (0018,6011) sequence, cf. tags "PhysicalDeltaX" (0018,602c) |
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158 * and "PhysicalDeltaY" (0018,602e) => This would require |
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159 * parsing "message.GetResources()->GetSourceJson(0)" |
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160 * => cf. "DicomInstanceParameters::EnrichUsingDicomWeb()" |
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161 **/ |
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162 |
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163 // std::cout << message.GetResources()->GetSourceJson(0).toStyledString(); |
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164 |
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165 LOG(INFO) << "Using millimeters units, as the DICOM instance contains the PixelSpacing tag"; |
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166 units_ = OrthancStone::Units_Millimeters; |
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167 } |
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168 else |
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169 { |
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170 LOG(INFO) << "Using pixels units, as the DICOM instance does *not* contain the PixelSpacing tag"; |
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171 } |
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172 |
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173 //message.GetResources()->GetResource(0).Print(stdout); |
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174 |
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175 { |
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176 std::unique_ptr<ILoadersContext::ILock> lock(context_.Lock()); |
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177 SeriesFramesLoader::Factory f(*message.GetResources()); |
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178 |
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179 framesLoader_ = boost::dynamic_pointer_cast<SeriesFramesLoader>( |
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180 f.Create(*lock)); |
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181 |
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182 Register<SeriesFramesLoader::FrameLoadedMessage>( |
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183 *framesLoader_, &SdlSimpleViewerApplication::Handle); |
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184 |
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185 assert(message.HasUserPayload()); |
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186 |
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187 const Orthanc::SingleValueObject<unsigned int>& payload = |
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188 dynamic_cast<const Orthanc::SingleValueObject<unsigned int>&>( |
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189 message.GetUserPayload()); |
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190 |
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191 LOG(INFO) << "Loading pixel data of frame: " << payload.GetValue(); |
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192 framesLoader_->ScheduleLoadFrame( |
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193 0, message.GetDicomSource(), payload.GetValue(), |
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194 message.GetDicomSource().GetQualityCount() - 1 /* download best quality available */, |
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195 NULL); |
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196 } |
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197 } |
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198 |
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199 }; |
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200 |