Mercurial > hg > orthanc-stone
annotate Samples/Common/AngleMeasureTool.cpp @ 651:62f6ff016085
Iteration in angle measuring tool. Text label is not ok and handles and arcs
(and maybe angle sides) should not scale with zoom.
author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Tue, 14 May 2019 09:48:14 +0200 |
parents | 1e9ed656318e |
children | 462a5074f914 |
rev | line source |
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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 "AngleMeasureTool.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 #include <boost/math/constants/constants.hpp> |
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27 |
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28 namespace OrthancStone |
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29 { |
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30 AngleMeasureTool::~AngleMeasureTool() |
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31 { |
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32 // this measuring tool is a RABI for the corresponding visual layers |
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33 // stored in the 2D scene |
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34 Disable(); |
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35 RemoveFromScene(); |
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36 } |
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37 |
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38 void AngleMeasureTool::RemoveFromScene() |
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39 { |
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40 if (layersCreated) |
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41 { |
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42 assert(GetScene().HasLayer(polylineZIndex_)); |
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43 assert(GetScene().HasLayer(textZIndex_)); |
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44 GetScene().DeleteLayer(polylineZIndex_); |
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45 GetScene().DeleteLayer(textZIndex_); |
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46 } |
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47 } |
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48 |
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49 void AngleMeasureTool::SetSide1End(ScenePoint2D pt) |
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50 { |
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51 side1End_ = pt; |
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52 RefreshScene(); |
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53 } |
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54 |
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55 void AngleMeasureTool::SetSide2End(ScenePoint2D pt) |
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56 { |
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57 side2End_ = pt; |
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58 RefreshScene(); |
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59 } |
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60 |
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61 void AngleMeasureTool::SetCenter(ScenePoint2D pt) |
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62 { |
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63 center_ = pt; |
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64 RefreshScene(); |
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65 } |
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66 |
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67 PolylineSceneLayer* AngleMeasureTool::GetPolylineLayer() |
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68 { |
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69 assert(GetScene().HasLayer(polylineZIndex_)); |
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70 ISceneLayer* layer = &(GetScene().GetLayer(polylineZIndex_)); |
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71 PolylineSceneLayer* concreteLayer = dynamic_cast<PolylineSceneLayer*>(layer); |
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72 assert(concreteLayer != NULL); |
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73 return concreteLayer; |
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74 } |
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75 |
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76 TextSceneLayer* AngleMeasureTool::GetTextLayer() |
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77 { |
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78 assert(GetScene().HasLayer(textZIndex_)); |
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79 ISceneLayer* layer = &(GetScene().GetLayer(textZIndex_)); |
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80 TextSceneLayer* concreteLayer = dynamic_cast<TextSceneLayer*>(layer); |
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81 assert(concreteLayer != NULL); |
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82 return concreteLayer; |
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83 } |
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84 |
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85 |
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86 void AngleMeasureTool::RefreshScene() |
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87 { |
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88 if (IsEnabled()) |
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89 { |
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90 |
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91 // get the scaling factor |
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92 const double pixelToScene = |
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93 GetScene().GetCanvasToSceneTransform().ComputeZoom(); |
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94 |
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95 if (!layersCreated) |
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96 { |
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97 // Create the layers if need be |
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98 |
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99 assert(textZIndex_ == -1); |
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100 { |
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101 polylineZIndex_ = GetScene().GetMaxDepth() + 100; |
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102 //LOG(INFO) << "set polylineZIndex_ to: " << polylineZIndex_; |
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103 std::auto_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer()); |
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104 GetScene().SetLayer(polylineZIndex_, layer.release()); |
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105 } |
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106 { |
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107 textZIndex_ = GetScene().GetMaxDepth() + 100; |
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108 //LOG(INFO) << "set textZIndex_ to: " << textZIndex_; |
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109 std::auto_ptr<TextSceneLayer> layer(new TextSceneLayer()); |
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110 GetScene().SetLayer(textZIndex_, layer.release()); |
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111 } |
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112 layersCreated = true; |
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113 } |
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114 else |
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115 { |
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116 assert(GetScene().HasLayer(polylineZIndex_)); |
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117 assert(GetScene().HasLayer(textZIndex_)); |
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118 } |
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119 { |
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120 // Fill the polyline layer with the measurement line |
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121 |
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122 PolylineSceneLayer* polylineLayer = GetPolylineLayer(); |
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123 polylineLayer->ClearAllChains(); |
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124 polylineLayer->SetColor(0, 223, 21); |
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125 |
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126 // sides |
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127 { |
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128 { |
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129 PolylineSceneLayer::Chain chain; |
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130 chain.push_back(side1End_); |
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131 chain.push_back(center_); |
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132 polylineLayer->AddChain(chain, false); |
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133 } |
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134 { |
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135 PolylineSceneLayer::Chain chain; |
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136 chain.push_back(side2End_); |
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137 chain.push_back(center_); |
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138 polylineLayer->AddChain(chain, false); |
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139 } |
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140 } |
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141 |
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142 // handles |
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143 { |
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144 //void AddSquare(PolylineSceneLayer::Chain& chain,const Scene2D& scene,const ScenePoint2D& centerS,const double& sideLength) |
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145 |
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146 { |
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147 PolylineSceneLayer::Chain chain; |
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148 AddSquare(chain, GetScene(), side1End_, 10.0); //TODO: take DPI into account |
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149 polylineLayer->AddChain(chain, true); |
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150 } |
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151 |
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152 { |
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153 PolylineSceneLayer::Chain chain; |
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154 AddSquare(chain, GetScene(), side2End_, 10.0); //TODO: take DPI into account |
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155 polylineLayer->AddChain(chain, true); |
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156 } |
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157 } |
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158 |
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159 // arc |
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160 { |
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161 PolylineSceneLayer::Chain chain; |
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162 |
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163 AddShortestArc(chain, GetScene(), side1End_, center_, side2End_, |
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164 20.0*pixelToScene); |
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165 polylineLayer->AddChain(chain, false); |
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166 } |
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167 } |
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168 { |
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169 // Set the text layer proporeties |
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170 |
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171 // the angle is measured in a clockwise way between the points |
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172 double angleRad = MeasureAngle(side1End_, center_, side2End_); |
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173 double angleDeg = RadiansToDegrees(angleRad); |
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174 |
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175 TextSceneLayer* textLayer = GetTextLayer(); |
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176 |
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177 char buf[64]; |
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178 sprintf(buf, "%0.02f deg", angleDeg); |
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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 ScenePoint2D textAnchor; |
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183 GetPositionOnBisectingLine( |
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184 textAnchor, side1End_, center_, side2End_, 40.0*pixelToScene); |
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185 textLayer->SetPosition(textAnchor.GetX(), textAnchor.GetY()); |
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186 } |
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187 } |
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188 else |
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189 { |
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190 if (layersCreated) |
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191 { |
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192 RemoveFromScene(); |
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193 layersCreated = false; |
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194 } |
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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 } |