Mercurial > hg > orthanc-stone

annotate Samples/Sdl/SingleFrameViewer/SdlSimpleViewerApplication.h @ 1457:15173a383a00

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fix
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 11 Jun 2020 21:12:02 +0200
parents ab871499ed30
children 474360793956
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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 "../../../Framework/Viewport/IViewport.h"
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25 #include "../../../Framework/Loaders/DicomResourcesLoader.h"
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26 #include "../../../Framework/Loaders/ILoadersContext.h"
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27 #include "../../../Framework/Loaders/SeriesFramesLoader.h"
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28 #include "../../../Framework/Loaders/SeriesThumbnailsLoader.h"
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29
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30 #include <boost/make_shared.hpp>
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31
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32
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33 using OrthancStone::ILoadersContext;
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34 using OrthancStone::ObserverBase;
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35 using OrthancStone::IViewport;
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36 using OrthancStone::DicomResourcesLoader;
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37 using OrthancStone::SeriesFramesLoader;
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38 using OrthancStone::TextureBaseSceneLayer;
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39 using OrthancStone::DicomSource;
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40 using OrthancStone::SeriesThumbnailsLoader;
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41 using OrthancStone::LoadedDicomResources;
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42 using OrthancStone::SeriesThumbnailType;
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43 using OrthancStone::OracleScheduler;
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44 using OrthancStone::OrthancRestApiCommand;
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45 using OrthancStone::OracleScheduler;
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46 using OrthancStone::OracleScheduler;
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47 using OrthancStone::OracleScheduler;
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48
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49
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50 class SdlSimpleViewerApplication : public ObserverBase<SdlSimpleViewerApplication>
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51 {
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52
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53 public:
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54 static boost::shared_ptr<SdlSimpleViewerApplication> Create(ILoadersContext& context, boost::shared_ptr<IViewport> viewport)
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55 {
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56 boost::shared_ptr<SdlSimpleViewerApplication> application(new SdlSimpleViewerApplication(context, viewport));
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57
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58 {
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59 std::auto_ptr<ILoadersContext::ILock> lock(context.Lock());
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60 DicomResourcesLoader::Factory f;
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61 application->dicomLoader_ = boost::dynamic_pointer_cast<DicomResourcesLoader>(f.Create(*lock));
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62 }
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63
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64 application->Register<DicomResourcesLoader::SuccessMessage>(*application->dicomLoader_, &SdlSimpleViewerApplication::Handle);
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65
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66 return application;
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67 }
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68
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69 void LoadOrthancFrame(const DicomSource& source, const std::string& instanceId, unsigned int frame)
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70 {
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71 std::auto_ptr<ILoadersContext::ILock> lock(context_.Lock());
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72
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73 dicomLoader_->ScheduleLoadOrthancResource(boost::make_shared<LoadedDicomResources>(Orthanc::DICOM_TAG_SOP_INSTANCE_UID),
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74 0, source, Orthanc::ResourceType_Instance, instanceId,
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75 new Orthanc::SingleValueObject<unsigned int>(frame));
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76 }
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77
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78 #if 0
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79 void LoadDicomWebFrame(const DicomSource& source,
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80 const std::string& studyInstanceUid,
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81 const std::string& seriesInstanceUid,
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82 const std::string& sopInstanceUid,
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83 unsigned int frame)
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84 {
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85 std::auto_ptr<ILoadersContext::ILock> lock(context_.Lock());
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86
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87 // We first must load the "/metadata" to know the number of frames
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88 dicomLoader_->ScheduleGetDicomWeb(
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89 boost::make_shared<LoadedDicomResources>(Orthanc::DICOM_TAG_SOP_INSTANCE_UID), 0, source,
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90 "/studies/" + studyInstanceUid + "/series/" + seriesInstanceUid + "/instances/" + sopInstanceUid + "/metadata",
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91 new Orthanc::SingleValueObject<unsigned int>(frame));
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92 }
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93 #endif
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94
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95 void FitContent()
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96 {
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97 std::auto_ptr<IViewport::ILock> lock(viewport_->Lock());
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98 lock->GetCompositor().FitContent(lock->GetController().GetScene());
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99 lock->Invalidate();
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100 }
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101
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102 private:
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103 ILoadersContext& context_;
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104 boost::shared_ptr<IViewport> viewport_;
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105 boost::shared_ptr<DicomResourcesLoader> dicomLoader_;
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106 boost::shared_ptr<SeriesFramesLoader> framesLoader_;
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107
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108 SdlSimpleViewerApplication(ILoadersContext& context,
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109 boost::shared_ptr<IViewport> viewport) :
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110 context_(context),
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111 viewport_(viewport)
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112 {
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113 }
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114
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115 void Handle(const SeriesFramesLoader::FrameLoadedMessage& message)
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116 {
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117 LOG(INFO) << "Frame decoded! "
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118 << message.GetImage().GetWidth() << "x" << message.GetImage().GetHeight()
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119 << " " << Orthanc::EnumerationToString(message.GetImage().GetFormat());
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120
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121 std::auto_ptr<TextureBaseSceneLayer> layer(
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122 message.GetInstanceParameters().CreateTexture(message.GetImage()));
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123 layer->SetLinearInterpolation(true);
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124
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125 {
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126 std::auto_ptr<IViewport::ILock> lock(viewport_->Lock());
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127 lock->GetController().GetScene().SetLayer(0, layer.release());
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128 lock->GetCompositor().FitContent(lock->GetController().GetScene());
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129 lock->Invalidate();
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130 }
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131 }
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132
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133 void Handle(const DicomResourcesLoader::SuccessMessage& message)
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134 {
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135 if (message.GetResources()->GetSize() != 1)
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136 {
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137 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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138 }
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139
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140 //message.GetResources()->GetResource(0).Print(stdout);
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141
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142 {
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143 std::auto_ptr<ILoadersContext::ILock> lock(context_.Lock());
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144 SeriesFramesLoader::Factory f(*message.GetResources());
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145
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146 framesLoader_ = boost::dynamic_pointer_cast<SeriesFramesLoader>(
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147 f.Create(*lock));
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148
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149 Register<SeriesFramesLoader::FrameLoadedMessage>(
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150 *framesLoader_, &SdlSimpleViewerApplication::Handle);
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151
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152 assert(message.HasUserPayload());
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153
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154 const Orthanc::SingleValueObject<unsigned int>& payload =
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155 dynamic_cast<const Orthanc::SingleValueObject<unsigned int>&>(
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156 message.GetUserPayload());
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157
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158 LOG(INFO) << "Loading pixel data of frame: " << payload.GetValue();
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159 framesLoader_->ScheduleLoadFrame(
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160 0, message.GetDicomSource(), payload.GetValue(),
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161 message.GetDicomSource().GetQualityCount() - 1 /* download best quality available */,
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162 NULL);
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
163 }
4287eaabe490 Sdl simple viewer application
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
164 }
4287eaabe490 Sdl simple viewer application
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
165
4287eaabe490 Sdl simple viewer application
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
166 };
4287eaabe490 Sdl simple viewer application
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
167