Mercurial > hg > orthanc-stone

annotate Framework/Layers/DicomStructureSetRendererFactory.cpp @ 125:44fc253d4876 wasm

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refactoring
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 08 Nov 2017 16:13:55 +0100
parents ed0003f6102c
children c9e88e7935a4
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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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7207a407bcd8 shared copyright with osimis
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5 * Copyright (C) 2017 Osimis, 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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21
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22 #include "DicomStructureSetRendererFactory.h"
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24 #include "../Toolbox/MessagingToolbox.h"
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25
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2eca030792aa using the Orthanc Framework
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26 #include <Core/OrthancException.h>
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28 namespace OrthancStone
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29 {
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30 class DicomStructureSetRendererFactory::Renderer : public ILayerRenderer
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31 {
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32 private:
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33 DicomStructureSet& structureSet_;
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34 CoordinateSystem3D slice_;
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35 bool visible_;
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37 public:
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38 Renderer(DicomStructureSet& structureSet,
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39 const CoordinateSystem3D& slice) :
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40 structureSet_(structureSet),
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41 slice_(slice),
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42 visible_(true)
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43 {
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44 }
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45
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46 virtual bool RenderLayer(CairoContext& context,
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47 const ViewportGeometry& view)
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48 {
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49 if (visible_)
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50 {
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51 cairo_set_line_width(context.GetObject(), 3.0f / view.GetZoom());
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52
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53 cairo_t* cr = context.GetObject();
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54
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55 for (size_t k = 0; k < structureSet_.GetStructureCount(); k++)
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56 {
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57 std::vector< std::vector<DicomStructureSet::PolygonPoint> > polygons;
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58
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59 if (structureSet_.ProjectStructure(polygons, k, slice_))
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60 {
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61 uint8_t red, green, blue;
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62 structureSet_.GetStructureColor(red, green, blue, k);
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63 context.SetSourceColor(red, green, blue);
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64
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65 for (size_t i = 0; i < polygons.size(); i++)
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66 {
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67 cairo_move_to(cr, polygons[i][0].first, polygons[i][0].second);
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68
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69 for (size_t j = 1; j < polygons[i].size(); j++)
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70 {
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71 cairo_line_to(cr, polygons[i][j].first, polygons[i][j].second);
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72 }
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73
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74 cairo_line_to(cr, polygons[i][0].first, polygons[i][0].second);
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75 cairo_stroke(cr);
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76 }
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77 }
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78 }
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79 }
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80
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81 return true;
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82 }
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83
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84 virtual const CoordinateSystem3D& GetLayerSlice()
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85 {
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86 return slice_;
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87 }
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88
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89 virtual void SetLayerStyle(const RenderStyle& style)
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90 {
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91 visible_ = style.visible_;
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92 }
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93
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94 virtual bool IsFullQuality()
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95 {
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96 return true;
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97 }
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98 };
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99
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100
123
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101 class DicomStructureSetRendererFactory::Operation : public Orthanc::IDynamicObject
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102 {
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103 public:
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104 enum Type
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105 {
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106 Type_LoadStructureSet,
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107 Type_LookupSopInstanceUid,
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108 Type_LoadReferencedSlice
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109 };
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110
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111 private:
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112 Type type_;
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113 std::string value_;
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114
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115 public:
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116 Operation(Type type,
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117 const std::string& value) :
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118 type_(type),
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119 value_(value)
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120 {
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121 }
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122
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123 Type GetType() const
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124 {
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125 return type_;
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126 }
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127
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128 const std::string& GetIdentifier() const
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129 {
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130 return value_;
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131 }
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132 };
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133
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134
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135 void DicomStructureSetRendererFactory::NotifyError(const std::string& uri,
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136 Orthanc::IDynamicObject* payload)
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137 {
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138 // TODO
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139 }
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140
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141
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142 void DicomStructureSetRendererFactory::NotifySuccess(const std::string& uri,
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143 const void* answer,
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144 size_t answerSize,
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145 Orthanc::IDynamicObject* payload)
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146 {
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147 std::auto_ptr<Operation> op(dynamic_cast<Operation*>(payload));
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148
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149 switch (op->GetType())
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150 {
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151 case Operation::Type_LoadStructureSet:
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152 {
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153 OrthancPlugins::FullOrthancDataset dataset(answer, answerSize);
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154 structureSet_.reset(new DicomStructureSet(dataset));
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155
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156 std::set<std::string> instances;
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157 structureSet_->GetReferencedInstances(instances);
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158
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159 for (std::set<std::string>::const_iterator it = instances.begin();
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160 it != instances.end(); ++it)
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161 {
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162 orthanc_.SchedulePostRequest(*this, "/tools/lookup", *it,
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163 new Operation(Operation::Type_LookupSopInstanceUid, *it));
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164 }
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165
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166 break;
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167 }
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168
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169 case Operation::Type_LookupSopInstanceUid:
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170 {
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171 Json::Value lookup;
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172
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173 if (MessagingToolbox::ParseJson(lookup, answer, answerSize))
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174 {
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175 if (lookup.type() != Json::arrayValue ||
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176 lookup.size() != 1 ||
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177 !lookup[0].isMember("Type") ||
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178 !lookup[0].isMember("Path") ||
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179 lookup[0]["Type"].type() != Json::stringValue ||
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180 lookup[0]["ID"].type() != Json::stringValue ||
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181 lookup[0]["Type"].asString() != "Instance")
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182 {
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183 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol);
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184 }
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185
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186 const std::string& instance = lookup[0]["ID"].asString();
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187 orthanc_.ScheduleGetRequest(*this, "/instances/" + instance + "/tags",
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188 new Operation(Operation::Type_LoadReferencedSlice, instance));
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189 }
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190 else
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191 {
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192 // TODO
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193 }
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194
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195 break;
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196 }
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197
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198 case Operation::Type_LoadReferencedSlice:
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199 {
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200 OrthancPlugins::FullOrthancDataset dataset(answer, answerSize);
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201
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202 Orthanc::DicomMap slice;
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203 MessagingToolbox::ConvertDataset(slice, dataset);
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204 structureSet_->AddReferencedSlice(slice);
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205
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206 LayerSourceBase::NotifyContentChange();
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207
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208 break;
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209 }
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210
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211 default:
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212 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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213 }
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214 }
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215
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216
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217 DicomStructureSetRendererFactory::DicomStructureSetRendererFactory(IWebService& orthanc,
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218 const std::string& instance) :
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219 orthanc_(orthanc)
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220 {
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221 const std::string uri = "/instances/" + instance + "/tags?ignore-length=3006-0050";
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222 orthanc_.ScheduleGetRequest(*this, uri, new Operation(Operation::Type_LoadStructureSet, instance));
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223 }
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224
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225
121
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226 void DicomStructureSetRendererFactory::ScheduleLayerCreation(const CoordinateSystem3D& viewportSlice)
0
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227 {
125
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228 if (structureSet_.get() != NULL)
0
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229 {
123
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230 NotifyLayerReady(new Renderer(*structureSet_, viewportSlice), viewportSlice, false);
0
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231 }
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232 }
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233 }