Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/AngleMeasureTool.cpp @ 865:a29c13497557

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Added operators to ScenePoint2D + highlight support on MouseOver for measuring tools
author Benjamin Golinvaux <bgo@osimis.io>
date Tue, 25 Jun 2019 15:24:13 +0200
parents 2fd96a637a59
children c71ef52602a0
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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 #include "LayerHolder.h"
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24
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25 #include <Core/Logging.h>
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26
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27 #include <boost/math/constants/constants.hpp>
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28 #include <boost/make_shared.hpp>
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29
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30 //// <HACK>
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31 //// REMOVE THIS
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32 //#ifndef NDEBUG
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33 //extern void
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34 //TrackerSample_SetInfoDisplayMessage(std::string key, std::string value);
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35 //#endif
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36 //// </HACK>
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37
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38 namespace OrthancStone
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39 {
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40 // the params in the LayerHolder ctor specify the number of polyline and text
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41 // layers
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42 AngleMeasureTool::AngleMeasureTool(
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43 MessageBroker& broker, boost::weak_ptr<ViewportController> controllerW)
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44 : MeasureTool(broker, controllerW)
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45 , layerHolder_(boost::make_shared<LayerHolder>(controllerW,1,5))
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46 , angleHighlightArea_(AngleHighlightArea_None)
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47 {
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48
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49 }
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50
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51 AngleMeasureTool::~AngleMeasureTool()
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52 {
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53 // this measuring tool is a RABI for the corresponding visual layers
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54 // stored in the 2D scene
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55 Disable();
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56 RemoveFromScene();
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57 }
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58
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59 void AngleMeasureTool::RemoveFromScene()
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60 {
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61 if (layerHolder_->AreLayersCreated() && IsSceneAlive())
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62 {
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63 layerHolder_->DeleteLayers();
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64 }
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65 }
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66
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67 void AngleMeasureTool::SetSide1End(ScenePoint2D pt)
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68 {
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69 side1End_ = pt;
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70 RefreshScene();
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71 }
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72
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73 void AngleMeasureTool::SetSide2End(ScenePoint2D pt)
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74 {
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75 side2End_ = pt;
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76 RefreshScene();
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77 }
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78
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79 void AngleMeasureTool::SetAngleHighlightArea(AngleHighlightArea area)
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80 {
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81 if (angleHighlightArea_ != area)
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82 {
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83 angleHighlightArea_ = area;
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84 RefreshScene();
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85 }
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86 }
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87
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88 void AngleMeasureTool::ResetHighlightState()
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89 {
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90 SetAngleHighlightArea(AngleHighlightArea_None);
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91 }
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92
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93 void AngleMeasureTool::Highlight(ScenePoint2D p)
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94 {
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95 AngleHighlightArea angleHighlightArea = AngleHitTest(p);
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96 SetAngleHighlightArea(angleHighlightArea);
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97 }
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98
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99 AngleMeasureTool::AngleHighlightArea AngleMeasureTool::AngleHitTest(ScenePoint2D p) const
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100 {
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101 const double pixelToScene =
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102 GetScene()->GetCanvasToSceneTransform().ComputeZoom();
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103 const double SQUARED_HIT_TEST_MAX_DISTANCE_SCENE_COORD = pixelToScene * HIT_TEST_MAX_DISTANCE_CANVAS_COORD * pixelToScene * HIT_TEST_MAX_DISTANCE_CANVAS_COORD;
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104
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105 {
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106 const double sqDistanceFromSide1End = ScenePoint2D::SquaredDistancePtPt(p, side1End_);
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107 if (sqDistanceFromSide1End <= SQUARED_HIT_TEST_MAX_DISTANCE_SCENE_COORD)
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108 return AngleHighlightArea_Side1End;
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109 }
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110
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111 {
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112 const double sqDistanceFromSide2End = ScenePoint2D::SquaredDistancePtPt(p, side2End_);
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113 if (sqDistanceFromSide2End <= SQUARED_HIT_TEST_MAX_DISTANCE_SCENE_COORD)
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114 return AngleHighlightArea_Side2End;
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115 }
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116
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117 {
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118 const double sqDistanceFromCenter = ScenePoint2D::SquaredDistancePtPt(p, center_);
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119 if (sqDistanceFromCenter <= SQUARED_HIT_TEST_MAX_DISTANCE_SCENE_COORD)
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120 return AngleHighlightArea_Center;
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121 }
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122
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123 {
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124 const double sqDistanceFromSide1 = ScenePoint2D::SquaredDistancePtSegment(center_, side1End_, p);
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125 if (sqDistanceFromSide1 <= SQUARED_HIT_TEST_MAX_DISTANCE_SCENE_COORD)
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126 return AngleHighlightArea_Side1;
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127 }
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128
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129 {
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130 const double sqDistanceFromSide2 = ScenePoint2D::SquaredDistancePtSegment(center_, side2End_, p);
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131 if (sqDistanceFromSide2 <= SQUARED_HIT_TEST_MAX_DISTANCE_SCENE_COORD)
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132 return AngleHighlightArea_Side2;
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133 }
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134
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135 return AngleHighlightArea_None;
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136 }
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137
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138 bool AngleMeasureTool::HitTest(ScenePoint2D p) const
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139 {
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140 return AngleHitTest(p) != AngleHighlightArea_None;
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141 }
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142
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143 void AngleMeasureTool::SetCenter(ScenePoint2D pt)
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144 {
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145 center_ = pt;
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146 RefreshScene();
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147 }
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148
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149 void AngleMeasureTool::RefreshScene()
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150 {
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151 if (IsSceneAlive())
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152 {
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153 boost::shared_ptr<ViewportController> controller = GetController();
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154 if (IsEnabled())
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155 {
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156 layerHolder_->CreateLayersIfNeeded();
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157
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158 {
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159 // Fill the polyline layer with the measurement lines
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160 PolylineSceneLayer* polylineLayer = layerHolder_->GetPolylineLayer(0);
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161 polylineLayer->ClearAllChains();
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162
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163 const Color color(TOOL_ANGLE_LINES_COLOR_RED, TOOL_ANGLE_LINES_COLOR_GREEN, TOOL_ANGLE_LINES_COLOR_BLUE);
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164 const Color highlightColor(TOOL_ANGLE_LINES_HL_COLOR_RED, TOOL_ANGLE_LINES_HL_COLOR_GREEN, TOOL_ANGLE_LINES_HL_COLOR_BLUE);
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165
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166 // sides
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167 {
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168 {
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169 PolylineSceneLayer::Chain chain;
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170 chain.push_back(side1End_);
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171 chain.push_back(center_);
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172
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173 if ((angleHighlightArea_ == AngleHighlightArea_Side1) || (angleHighlightArea_ == AngleHighlightArea_Side2))
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174 polylineLayer->AddChain(chain, false, highlightColor);
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175 else
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176 polylineLayer->AddChain(chain, false, color);
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177 }
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178 {
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179 PolylineSceneLayer::Chain chain;
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180 chain.push_back(side2End_);
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181 chain.push_back(center_);
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182 if ((angleHighlightArea_ == AngleHighlightArea_Side1) || (angleHighlightArea_ == AngleHighlightArea_Side2))
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183 polylineLayer->AddChain(chain, false, highlightColor);
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184 else
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185 polylineLayer->AddChain(chain, false, color);
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186 }
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187 }
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188
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189 // Create the handles
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190 {
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191 {
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192 PolylineSceneLayer::Chain chain;
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193 //TODO: take DPI into account
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194 AddSquare(chain, GetScene(), side1End_,
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195 GetController()->GetHandleSideLengthS());
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196
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197 if (angleHighlightArea_ == AngleHighlightArea_Side1End)
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198 polylineLayer->AddChain(chain, true, highlightColor);
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199 else
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200 polylineLayer->AddChain(chain, true, color);
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201
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202 }
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203 {
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204 PolylineSceneLayer::Chain chain;
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205 //TODO: take DPI into account
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206 AddSquare(chain, GetScene(), side2End_,
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207 GetController()->GetHandleSideLengthS());
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208
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209 if (angleHighlightArea_ == AngleHighlightArea_Side2End)
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210 polylineLayer->AddChain(chain, true, highlightColor);
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211 else
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212 polylineLayer->AddChain(chain, true, color);
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213 }
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214 }
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215
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216 // Create the arc
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217 {
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218 PolylineSceneLayer::Chain chain;
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219
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220 AddShortestArc(chain, side1End_, center_, side2End_,
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221 controller->GetAngleToolArcRadiusS());
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222 if (angleHighlightArea_ == AngleHighlightArea_Center)
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223 polylineLayer->AddChain(chain, false, highlightColor);
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224 else
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225 polylineLayer->AddChain(chain, false, color);
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226 }
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227 }
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228 {
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229 // Set the text layer
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230
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231 double p1cAngle = atan2(
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232 side1End_.GetY() - center_.GetY(),
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233 side1End_.GetX() - center_.GetX());
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234
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235 double p2cAngle = atan2(
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236 side2End_.GetY() - center_.GetY(),
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237 side2End_.GetX() - center_.GetX());
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238
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239 double delta = NormalizeAngle(p2cAngle - p1cAngle);
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240 double theta = p1cAngle + delta / 2;
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241
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242 double ox = controller->GetAngleTopTextLabelDistanceS() * cos(theta);
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243 double oy = controller->GetAngleTopTextLabelDistanceS() * sin(theta);
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244
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245 double pointX = center_.GetX() + ox;
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246 double pointY = center_.GetY() + oy;
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247
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248 char buf[64];
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249 double angleDeg = RadiansToDegrees(delta);
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250
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251 // http://www.ltg.ed.ac.uk/~richard/utf-8.cgi?input=00B0&mode=hex
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252 sprintf(buf, "%0.02f\xc2\xb0", angleDeg);
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253
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254 SetTextLayerOutlineProperties(
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255 GetScene(), layerHolder_, buf, ScenePoint2D(pointX, pointY));
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256
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257 #if 0
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258 // TODO:make it togglable
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259 bool enableInfoDisplay = false;
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260 if (enableInfoDisplay)
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261 {
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262 TrackerSample_SetInfoDisplayMessage("center_.GetX()",
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263 boost::lexical_cast<std::string>(center_.GetX()));
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264
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265 TrackerSample_SetInfoDisplayMessage("center_.GetY()",
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266 boost::lexical_cast<std::string>(center_.GetY()));
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267
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268 TrackerSample_SetInfoDisplayMessage("side1End_.GetX()",
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269 boost::lexical_cast<std::string>(side1End_.GetX()));
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270
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271 TrackerSample_SetInfoDisplayMessage("side1End_.GetY()",
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272 boost::lexical_cast<std::string>(side1End_.GetY()));
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273
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274 TrackerSample_SetInfoDisplayMessage("side2End_.GetX()",
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275 boost::lexical_cast<std::string>(side2End_.GetX()));
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276
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277 TrackerSample_SetInfoDisplayMessage("side2End_.GetY()",
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278 boost::lexical_cast<std::string>(side2End_.GetY()));
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279
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280 TrackerSample_SetInfoDisplayMessage("p1cAngle (deg)",
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281 boost::lexical_cast<std::string>(RadiansToDegrees(p1cAngle)));
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282
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283 TrackerSample_SetInfoDisplayMessage("delta (deg)",
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284 boost::lexical_cast<std::string>(RadiansToDegrees(delta)));
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285
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286 TrackerSample_SetInfoDisplayMessage("theta (deg)",
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287 boost::lexical_cast<std::string>(RadiansToDegrees(theta)));
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288
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289 TrackerSample_SetInfoDisplayMessage("p2cAngle (deg)",
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290 boost::lexical_cast<std::string>(RadiansToDegrees(p2cAngle)));
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291
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292 TrackerSample_SetInfoDisplayMessage("ox (scene)",
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293 boost::lexical_cast<std::string>(ox));
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294
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295 TrackerSample_SetInfoDisplayMessage("offsetY (scene)",
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296 boost::lexical_cast<std::string>(oy));
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297
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298 TrackerSample_SetInfoDisplayMessage("pointX",
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299 boost::lexical_cast<std::string>(pointX));
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300
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301 TrackerSample_SetInfoDisplayMessage("pointY",
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302 boost::lexical_cast<std::string>(pointY));
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303
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304 TrackerSample_SetInfoDisplayMessage("angleDeg",
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305 boost::lexical_cast<std::string>(angleDeg));
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306 }
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307 #endif
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308 }
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309 }
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310 else
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311 {
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312 RemoveFromScene();
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313 }
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314 }
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315 }
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316 }