Mercurial > hg > orthanc-stone

annotate Samples/Common/LineMeasureTool.cpp @ 645:1e9ed656318e

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Merge + ongoing measure work
author Benjamin Golinvaux <bgo@osimis.io>
date Mon, 13 May 2019 15:12:56 +0200
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645
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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 "LineMeasureTool.h"
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22 #include "MeasureToolsToolbox.h"
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23
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24 #include <Core/Logging.h>
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25
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26
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27 namespace OrthancStone
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28 {
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29 LineMeasureTool::~LineMeasureTool()
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30 {
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31 // this measuring tool is a RABI for the corresponding visual layers
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32 // stored in the 2D scene
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33 Disable();
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34 RemoveFromScene();
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35 }
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36
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37 void LineMeasureTool::RemoveFromScene()
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38 {
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39 if (layersCreated)
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40 {
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41 assert(GetScene().HasLayer(polylineZIndex_));
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42 assert(GetScene().HasLayer(textZIndex_));
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43 GetScene().DeleteLayer(polylineZIndex_);
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44 GetScene().DeleteLayer(textZIndex_);
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45 }
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46 }
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47
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48
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49 void LineMeasureTool::SetStart(ScenePoint2D start)
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50 {
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51 start_ = start;
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52 RefreshScene();
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53 }
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54
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55 void LineMeasureTool::SetEnd(ScenePoint2D end)
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56 {
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57 end_ = end;
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58 RefreshScene();
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59 }
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60
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61 void LineMeasureTool::Set(ScenePoint2D start, ScenePoint2D end)
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62 {
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63 start_ = start;
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64 end_ = end;
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65 RefreshScene();
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66 }
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67
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68 PolylineSceneLayer* LineMeasureTool::GetPolylineLayer()
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69 {
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70 assert(GetScene().HasLayer(polylineZIndex_));
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71 ISceneLayer* layer = &(GetScene().GetLayer(polylineZIndex_));
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72 PolylineSceneLayer* concreteLayer = dynamic_cast<PolylineSceneLayer*>(layer);
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73 assert(concreteLayer != NULL);
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74 return concreteLayer;
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75 }
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76
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77 TextSceneLayer* LineMeasureTool::GetTextLayer()
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78 {
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79 assert(GetScene().HasLayer(textZIndex_));
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80 ISceneLayer* layer = &(GetScene().GetLayer(textZIndex_));
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81 TextSceneLayer* concreteLayer = dynamic_cast<TextSceneLayer*>(layer);
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82 assert(concreteLayer != NULL);
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83 return concreteLayer;
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84 }
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85
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86 void LineMeasureTool::RefreshScene()
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87 {
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88 if (IsEnabled())
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89 {
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90 if (!layersCreated)
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91 {
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92 // Create the layers if need be
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93
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94 assert(textZIndex_ == -1);
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95 {
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96 polylineZIndex_ = GetScene().GetMaxDepth() + 100;
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97 //LOG(INFO) << "set polylineZIndex_ to: " << polylineZIndex_;
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98 std::auto_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer());
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99 GetScene().SetLayer(polylineZIndex_, layer.release());
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100 }
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101 {
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102 textZIndex_ = GetScene().GetMaxDepth() + 100;
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103 //LOG(INFO) << "set textZIndex_ to: " << textZIndex_;
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104 std::auto_ptr<TextSceneLayer> layer(new TextSceneLayer());
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105 GetScene().SetLayer(textZIndex_, layer.release());
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106 }
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107 layersCreated = true;
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108 }
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109 else
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110 {
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111 assert(GetScene().HasLayer(polylineZIndex_));
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112 assert(GetScene().HasLayer(textZIndex_));
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113 }
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114 {
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115 // Fill the polyline layer with the measurement line
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116
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117 PolylineSceneLayer* polylineLayer = GetPolylineLayer();
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118 polylineLayer->ClearAllChains();
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119 polylineLayer->SetColor(0, 223, 21);
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120
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121 {
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122 PolylineSceneLayer::Chain chain;
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123 chain.push_back(start_);
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124 chain.push_back(end_);
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125 polylineLayer->AddChain(chain, false);
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126 }
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127
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128 // handles
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129 {
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130 //void AddSquare(PolylineSceneLayer::Chain& chain,const Scene2D& scene,const ScenePoint2D& centerS,const double& sideLength)
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131
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132 {
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133 PolylineSceneLayer::Chain chain;
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134 AddSquare(chain, GetScene(), start_, 10.0); //TODO: take DPI into account
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135 polylineLayer->AddChain(chain, true);
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136 }
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137
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138 {
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139 PolylineSceneLayer::Chain chain;
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140 AddSquare(chain, GetScene(), end_, 10.0); //TODO: take DPI into account
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141 polylineLayer->AddChain(chain, true);
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142 }
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143
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144 //ScenePoint2D startC = start_.Apply(GetScene().GetSceneToCanvasTransform());
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145 //double squareSize = 10.0;
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146 //double startHandleLX = startC.GetX() - squareSize/2;
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147 //double startHandleTY = startC.GetY() - squareSize / 2;
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148 //double startHandleRX = startC.GetX() + squareSize / 2;
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149 //double startHandleBY = startC.GetY() + squareSize / 2;
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150 //ScenePoint2D startLTC(startHandleLX, startHandleTY);
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151 //ScenePoint2D startRTC(startHandleRX, startHandleTY);
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152 //ScenePoint2D startRBC(startHandleRX, startHandleBY);
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153 //ScenePoint2D startLBC(startHandleLX, startHandleBY);
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154
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155 //ScenePoint2D startLT = startLTC.Apply(GetScene().GetCanvasToSceneTransform());
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156 //ScenePoint2D startRT = startRTC.Apply(GetScene().GetCanvasToSceneTransform());
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157 //ScenePoint2D startRB = startRBC.Apply(GetScene().GetCanvasToSceneTransform());
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158 //ScenePoint2D startLB = startLBC.Apply(GetScene().GetCanvasToSceneTransform());
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159
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160 //PolylineSceneLayer::Chain chain;
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161 //chain.push_back(startLT);
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162 //chain.push_back(startRT);
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163 //chain.push_back(startRB);
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164 //chain.push_back(startLB);
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165 //polylineLayer->AddChain(chain, true);
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166 }
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167
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168 }
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169 {
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170 // Set the text layer proporeties
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171
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172 TextSceneLayer* textLayer = GetTextLayer();
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173 double deltaX = end_.GetX() - start_.GetX();
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174 double deltaY = end_.GetY() - start_.GetY();
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175 double squareDist = deltaX * deltaX + deltaY * deltaY;
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176 double dist = sqrt(squareDist);
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177 char buf[64];
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178 sprintf(buf, "%0.02f units", dist);
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179 textLayer->SetText(buf);
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180 textLayer->SetColor(0, 223, 21);
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181
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182 // TODO: for now we simply position the text overlay at the middle
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183 // of the measuring segment
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184 double midX = 0.5*(end_.GetX() + start_.GetX());
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185 double midY = 0.5*(end_.GetY() + start_.GetY());
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186 textLayer->SetPosition(midX, midY);
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187 }
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188 }
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189 else
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190 {
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191 if (layersCreated)
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192 {
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193 RemoveFromScene();
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194 layersCreated = false;
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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
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200 }