Mercurial > hg > orthanc-stone
annotate Framework/Scene2DViewport/ViewportController.cpp @ 871:4bc8d9609447
Added support for measuring tool edition in TrackerSampleApp
author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Tue, 25 Jun 2019 18:17:33 +0200 |
parents | a29c13497557 |
children | 0aff28f15ea2 |
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) 2017-2019 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 #include "ViewportController.h" |
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22 |
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23 #include "UndoStack.h" |
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24 #include "MeasureCommands.h" |
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25 |
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26 #include "../StoneException.h" |
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27 |
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28 #include <boost/make_shared.hpp> |
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29 |
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30 namespace OrthancStone |
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31 { |
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32 ViewportController::ViewportController(boost::weak_ptr<UndoStack> undoStackW, MessageBroker& broker) |
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33 : IObservable(broker) |
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34 , undoStackW_(undoStackW) |
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35 , canvasToSceneFactor_(0.0) |
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37 scene_ = boost::make_shared<Scene2D>(); |
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38 } |
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39 |
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40 boost::shared_ptr<UndoStack> ViewportController::GetUndoStack() |
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41 { |
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42 return undoStackW_.lock(); |
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43 } |
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44 |
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45 boost::shared_ptr<const UndoStack> ViewportController::GetUndoStack() const |
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46 { |
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47 return undoStackW_.lock(); |
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48 } |
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49 |
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50 void ViewportController::PushCommand(boost::shared_ptr<TrackerCommand> command) |
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51 { |
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52 GetUndoStack()->PushCommand(command); |
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53 } |
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54 |
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55 void ViewportController::Undo() |
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57 GetUndoStack()->Undo(); |
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58 } |
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59 |
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60 void ViewportController::Redo() |
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61 { |
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62 GetUndoStack()->Redo(); |
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63 } |
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64 |
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65 bool ViewportController::CanUndo() const |
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66 { |
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67 return GetUndoStack()->CanUndo(); |
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68 } |
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69 |
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70 bool ViewportController::CanRedo() const |
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71 { |
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72 return GetUndoStack()->CanRedo(); |
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73 } |
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74 |
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75 boost::shared_ptr<const Scene2D> ViewportController::GetScene() const |
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76 { |
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77 return scene_; |
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78 } |
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79 |
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80 boost::shared_ptr<Scene2D> ViewportController::GetScene() |
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82 return scene_; |
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83 } |
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84 |
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85 bool ViewportController::HandlePointerEvent(PointerEvent e) |
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86 { |
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87 throw StoneException(ErrorCode_NotImplemented); |
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88 } |
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89 |
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90 std::vector<boost::shared_ptr<MeasureTool> > ViewportController::HitTestMeasureTools( |
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91 ScenePoint2D p) |
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92 { |
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93 std::vector<boost::shared_ptr<MeasureTool> > ret; |
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94 |
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95 for (size_t i = 0; i < measureTools_.size(); ++i) |
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96 { |
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97 if (measureTools_[i]->HitTest(p)) |
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98 ret.push_back(measureTools_[i]); |
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99 } |
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100 return ret; |
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101 } |
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102 |
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103 |
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104 void ViewportController::ResetMeasuringToolsHighlight() |
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105 { |
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106 for (size_t i = 0; i < measureTools_.size(); ++i) |
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107 { |
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108 measureTools_[i]->ResetHighlightState(); |
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109 } |
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110 } |
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112 const OrthancStone::AffineTransform2D& ViewportController::GetCanvasToSceneTransform() const |
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113 { |
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114 return scene_->GetCanvasToSceneTransform(); |
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115 } |
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116 |
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117 const OrthancStone::AffineTransform2D& ViewportController::GetSceneToCanvasTransform() const |
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118 { |
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119 return scene_->GetSceneToCanvasTransform(); |
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120 } |
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121 |
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122 void ViewportController::SetSceneToCanvasTransform( |
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123 const AffineTransform2D& transform) |
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124 { |
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125 scene_->SetSceneToCanvasTransform(transform); |
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126 BroadcastMessage(SceneTransformChanged(*this)); |
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127 |
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128 // update the canvas to scene factor |
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129 canvasToSceneFactor_ = 0.0; |
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130 canvasToSceneFactor_ = GetCanvasToSceneFactor(); |
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131 } |
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132 |
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133 void ViewportController::FitContent( |
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134 unsigned int canvasWidth, unsigned int canvasHeight) |
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135 { |
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136 scene_->FitContent(canvasWidth, canvasHeight); |
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137 BroadcastMessage(SceneTransformChanged(*this)); |
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138 } |
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139 |
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140 void ViewportController::AddMeasureTool(boost::shared_ptr<MeasureTool> measureTool) |
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141 { |
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142 ORTHANC_ASSERT(std::find(measureTools_.begin(), measureTools_.end(), measureTool) |
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143 == measureTools_.end(), "Duplicate measure tool"); |
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144 measureTools_.push_back(measureTool); |
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145 } |
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146 |
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147 void ViewportController::RemoveMeasureTool(boost::shared_ptr<MeasureTool> measureTool) |
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148 { |
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149 ORTHANC_ASSERT(std::find(measureTools_.begin(), measureTools_.end(), measureTool) |
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150 != measureTools_.end(), "Measure tool not found"); |
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151 measureTools_.erase( |
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152 std::remove(measureTools_.begin(), measureTools_.end(), measureTool), |
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153 measureTools_.end()); |
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154 } |
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155 |
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156 |
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157 double ViewportController::GetCanvasToSceneFactor() const |
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158 { |
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159 if (canvasToSceneFactor_ == 0) |
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160 { |
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161 canvasToSceneFactor_ = |
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162 GetScene()->GetCanvasToSceneTransform().ComputeZoom(); |
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163 } |
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164 return canvasToSceneFactor_; |
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165 } |
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166 |
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167 double ViewportController::GetHandleSideLengthS() const |
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168 { |
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169 return HANDLE_SIDE_LENGTH_CANVAS_COORD * GetCanvasToSceneFactor(); |
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170 } |
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171 |
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172 double ViewportController::GetAngleToolArcRadiusS() const |
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173 { |
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174 return ARC_RADIUS_CANVAS_COORD * GetCanvasToSceneFactor(); |
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175 } |
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176 |
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177 double ViewportController::GetHitTestMaximumDistanceS() const |
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178 { |
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179 return HIT_TEST_MAX_DISTANCE_CANVAS_COORD * GetCanvasToSceneFactor(); |
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180 } |
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181 |
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182 double ViewportController::GetAngleTopTextLabelDistanceS() const |
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183 { |
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184 return TEXT_CENTER_DISTANCE_CANVAS_COORD * GetCanvasToSceneFactor(); |
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185 } |
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186 } |
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187 |