Mercurial > hg > orthanc-stone

annotate Samples/Common/AngleMeasureTool.cpp @ 656:002d9562c8f5

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Added support to DISABLE legacy scaling in SDL Windows (only in WIN32... this might also be needed on macos and GNU/Linux ?) + fixed text info overlay pos for angle measure (this requires the app to be aware of the compositor)
author Benjamin Golinvaux <bgo@osimis.io>
date Tue, 14 May 2019 16:54:13 +0200
parents 462a5074f914
children cb3b76d16234
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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 // get the scaling factor
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91 const double pixelToScene =
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92 GetScene().GetCanvasToSceneTransform().ComputeZoom();
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93
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94 if (!layersCreated)
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95 {
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96 // Create the layers if need be
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97
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98 assert(textZIndex_ == -1);
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99 {
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100 polylineZIndex_ = GetScene().GetMaxDepth() + 100;
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101 //LOG(INFO) << "set polylineZIndex_ to: " << polylineZIndex_;
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102 std::auto_ptr<PolylineSceneLayer> layer(new PolylineSceneLayer());
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103 GetScene().SetLayer(polylineZIndex_, layer.release());
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104 }
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105 {
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106 textZIndex_ = GetScene().GetMaxDepth() + 100;
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107 //LOG(INFO) << "set textZIndex_ to: " << textZIndex_;
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108 std::auto_ptr<TextSceneLayer> layer(new TextSceneLayer());
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109 GetScene().SetLayer(textZIndex_, layer.release());
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110 }
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111 layersCreated = true;
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112 }
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113 else
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114 {
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115 assert(GetScene().HasLayer(polylineZIndex_));
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116 assert(GetScene().HasLayer(textZIndex_));
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117 }
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118 {
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119 // Fill the polyline layer with the measurement line
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120
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121 PolylineSceneLayer* polylineLayer = GetPolylineLayer();
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122 polylineLayer->ClearAllChains();
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123 polylineLayer->SetColor(0, 223, 21);
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124
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125 // sides
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126 {
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127 {
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128 PolylineSceneLayer::Chain chain;
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129 chain.push_back(side1End_);
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130 chain.push_back(center_);
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131 polylineLayer->AddChain(chain, false);
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132 }
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133 {
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134 PolylineSceneLayer::Chain chain;
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135 chain.push_back(side2End_);
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136 chain.push_back(center_);
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137 polylineLayer->AddChain(chain, false);
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138 }
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139 }
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140
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141 // handles
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142 {
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143 //void AddSquare(PolylineSceneLayer::Chain& chain,const Scene2D& scene,const ScenePoint2D& centerS,const double& sideLength)
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144
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145 {
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146 PolylineSceneLayer::Chain chain;
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147 AddSquare(chain, GetScene(), side1End_, 10.0* pixelToScene); //TODO: take DPI into account
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148 polylineLayer->AddChain(chain, true);
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149 }
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150
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151 {
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152 PolylineSceneLayer::Chain chain;
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153 AddSquare(chain, GetScene(), side2End_, 10.0* pixelToScene); //TODO: take DPI into account
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154 polylineLayer->AddChain(chain, true);
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155 }
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156 }
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157
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158 // arc
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159 {
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160 PolylineSceneLayer::Chain chain;
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161
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162 const double ARC_RADIUS_CANVAS_COORD = 20.0;
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163 AddShortestArc(chain, GetScene(), side1End_, center_, side2End_,
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164 ARC_RADIUS_CANVAS_COORD*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
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170
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171 double p1cAngle = atan2(
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172 side1End_.GetY() - center_.GetY(),
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173 side1End_.GetX() - center_.GetX());
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174 double p2cAngle = atan2(
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175 side2End_.GetY() - center_.GetY(),
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176 side2End_.GetX() - center_.GetX());
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177 double delta = NormalizeAngle(p2cAngle - p1cAngle);
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178 double theta = delta/2;
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179
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180 const double TEXT_CENTER_DISTANCE_CANVAS_COORD = 40.0;
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181
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182 double offsetX = TEXT_CENTER_DISTANCE_CANVAS_COORD * cos(theta);
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183 double offsetY = TEXT_CENTER_DISTANCE_CANVAS_COORD * sin(theta);
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184 double pointX = center_.GetX() + offsetX;
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185 double pointY = center_.GetY() + offsetY;
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186
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187 TextSceneLayer* textLayer = GetTextLayer();
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188
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189 char buf[64];
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190 double angleDeg = RadiansToDegrees(delta);
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191 sprintf(buf, "%0.02f deg", angleDeg);
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192 textLayer->SetText(buf);
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193 textLayer->SetColor(0, 223, 21);
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194
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195 ScenePoint2D textAnchor;
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196 //GetPositionOnBisectingLine(
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197 // textAnchor, side1End_, center_, side2End_, 40.0*pixelToScene);
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198 textLayer->SetPosition(pointX, pointY);
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199 }
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200 }
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201 else
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202 {
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203 if (layersCreated)
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204 {
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205 RemoveFromScene();
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206 layersCreated = false;
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207 }
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208 }
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209 }
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210
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211
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212 }