Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/AngleMeasureTool.cpp @ 1314:9b126de2cde2 broker

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Since the observer system now uses shared_ptr and many registrations are done in the constructors, and since we cannot called shared_from_this() in the constructors, it is mandatory to split construction from registration. This has been done by making many ctors protected and replacing them by factory methods that directly return shared_ptrs + added PostConstructor method when base classes perform shared_from_this() calls too.
author Benjamin Golinvaux <bgo@osimis.io>
date Mon, 16 Mar 2020 11:19:50 +0100
parents 1f877e0846fe
children ab81ee8fce1f
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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) 2017-2020 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 "EditAngleMeasureTracker.h"
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24 #include "LayerHolder.h"
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25 #include "../StoneException.h"
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26
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27 #include <Core/Logging.h>
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28
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29 #include <boost/math/constants/constants.hpp>
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30 #include <boost/make_shared.hpp>
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31
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32 //// <HACK>
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33 //// REMOVE THIS
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34 //#ifndef NDEBUG
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35 //extern void
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36 //TrackerSample_SetInfoDisplayMessage(std::string key, std::string value);
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37 //#endif
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38 //// </HACK>
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39
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40 namespace OrthancStone
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41 {
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42 // the params in the LayerHolder ctor specify the number of polyline and text
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43 // layers
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44 AngleMeasureTool::AngleMeasureTool(
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45 IViewport& viewport)
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46 : MeasureTool(viewport)
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47 #if ORTHANC_STONE_ENABLE_OUTLINED_TEXT == 1
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48 , layerHolder_(boost::shared_ptr<LayerHolder>(new LayerHolder(viewport,1,5)))
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49 #else
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50 , layerHolder_(boost::shared_ptr<LayerHolder>(new LayerHolder(viewport,1,1)))
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51 #endif
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52 , angleHighlightArea_(AngleHighlightArea_None)
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53 {
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54 }
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55
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56 boost::shared_ptr<AngleMeasureTool> AngleMeasureTool::Create(IViewport& viewport)
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57 {
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58 boost::shared_ptr<AngleMeasureTool> obj(new AngleMeasureTool(viewport));
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59 obj->MeasureTool::PostConstructor();
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60 obj->RefreshScene();
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61 return obj;
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62 }
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63
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64 AngleMeasureTool::~AngleMeasureTool()
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65 {
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66 // this measuring tool is a RABI for the corresponding visual layers
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67 // stored in the 2D scene
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68 Disable();
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69 RemoveFromScene();
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70 }
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71
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72 void AngleMeasureTool::RemoveFromScene()
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73 {
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74 if (layerHolder_->AreLayersCreated() && IsSceneAlive())
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75 {
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76 layerHolder_->DeleteLayers();
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77 }
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78 }
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79
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80 void AngleMeasureTool::SetSide1End(ScenePoint2D pt)
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81 {
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82 side1End_ = pt;
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83 RefreshScene();
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84 }
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85
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86 void AngleMeasureTool::SetSide2End(ScenePoint2D pt)
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87 {
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88 side2End_ = pt;
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89 RefreshScene();
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90 }
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91
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92 void AngleMeasureTool::SetAngleHighlightArea(AngleHighlightArea area)
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93 {
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94 if (angleHighlightArea_ != area)
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95 {
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96 angleHighlightArea_ = area;
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97 RefreshScene();
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98 }
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99 }
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100
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101 void AngleMeasureTool::ResetHighlightState()
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102 {
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103 SetAngleHighlightArea(AngleHighlightArea_None);
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104 }
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105
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107 boost::shared_ptr<OrthancStone::MeasureToolMemento> AngleMeasureTool::GetMemento() const
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108 {
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109 boost::shared_ptr<AngleMeasureToolMemento> memento(new AngleMeasureToolMemento());
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110 memento->center_ = center_;
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111 memento->side1End_ = side1End_;
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112 memento->side2End_ = side2End_;
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113 return memento;
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114 }
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115
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116 void AngleMeasureTool::SetMemento(boost::shared_ptr<MeasureToolMemento> mementoBase)
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117 {
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118 boost::shared_ptr<AngleMeasureToolMemento> memento =
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119 boost::dynamic_pointer_cast<AngleMeasureToolMemento>(mementoBase);
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120
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121 ORTHANC_ASSERT(memento.get() != NULL, "Internal error: wrong (or bad) memento");
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122 center_ = memento->center_;
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123 side1End_ = memento->side1End_;
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124 side2End_ = memento->side2End_;
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125 RefreshScene();
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126 }
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127
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128 std::string AngleMeasureTool::GetDescription()
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129 {
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130 std::stringstream ss;
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131 ss << "AngleMeasureTool. Center = " << center_ << " Side1End = "
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132 << side1End_ << " Side2End = " << side2End_;
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133 return ss.str();
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134 }
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135
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136 void AngleMeasureTool::Highlight(ScenePoint2D p)
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137 {
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138 AngleHighlightArea angleHighlightArea = AngleHitTest(p);
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139 SetAngleHighlightArea(angleHighlightArea);
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140 }
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141
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142 AngleMeasureTool::AngleHighlightArea AngleMeasureTool::AngleHitTest(ScenePoint2D p) const
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143 {
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144 std::unique_ptr<IViewport::ILock> lock(viewport_.Lock());
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145 ViewportController& controller = lock->GetController();
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146 Scene2D& scene = controller.GetScene();
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147
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148 const double pixelToScene = scene.GetCanvasToSceneTransform().ComputeZoom();
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149
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150 const double SQUARED_HIT_TEST_MAX_DISTANCE_SCENE_COORD =
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151 pixelToScene * HIT_TEST_MAX_DISTANCE_CANVAS_COORD *
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152 pixelToScene * HIT_TEST_MAX_DISTANCE_CANVAS_COORD;
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153
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154 {
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155 const double sqDistanceFromSide1End =
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156 ScenePoint2D::SquaredDistancePtPt(p, side1End_);
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157
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158 if (sqDistanceFromSide1End <= SQUARED_HIT_TEST_MAX_DISTANCE_SCENE_COORD)
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159 return AngleHighlightArea_Side1End;
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160 }
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161
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162 {
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163 const double sqDistanceFromSide2End =
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164 ScenePoint2D::SquaredDistancePtPt(p, side2End_);
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165
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166 if (sqDistanceFromSide2End <= SQUARED_HIT_TEST_MAX_DISTANCE_SCENE_COORD)
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167 return AngleHighlightArea_Side2End;
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168 }
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169
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170 {
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171 const double sqDistanceFromCenter =
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172 ScenePoint2D::SquaredDistancePtPt(p, center_);
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173 if (sqDistanceFromCenter <= SQUARED_HIT_TEST_MAX_DISTANCE_SCENE_COORD)
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174 return AngleHighlightArea_Center;
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175 }
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176
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177 {
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178 const double sqDistanceFromSide1 =
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179 ScenePoint2D::SquaredDistancePtSegment(center_, side1End_, p);
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180
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181 if (sqDistanceFromSide1 <= SQUARED_HIT_TEST_MAX_DISTANCE_SCENE_COORD)
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182 return AngleHighlightArea_Side1;
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183 }
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184
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185 {
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186 const double sqDistanceFromSide2 =
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187 ScenePoint2D::SquaredDistancePtSegment(center_, side2End_, p);
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188
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189 if (sqDistanceFromSide2 <= SQUARED_HIT_TEST_MAX_DISTANCE_SCENE_COORD)
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190 return AngleHighlightArea_Side2;
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191 }
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192
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193 return AngleHighlightArea_None;
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194 }
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195
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196 bool AngleMeasureTool::HitTest(ScenePoint2D p)
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197 {
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198 return AngleHitTest(p) != AngleHighlightArea_None;
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199 }
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200
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201
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202 boost::shared_ptr<IFlexiblePointerTracker> AngleMeasureTool::CreateEditionTracker(const PointerEvent& e)
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203 {
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204 std::unique_ptr<IViewport::ILock> lock(viewport_.Lock());
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205 ViewportController& controller = lock->GetController();
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206 Scene2D& scene = controller.GetScene();
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207
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208 ScenePoint2D scenePos = e.GetMainPosition().Apply(
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209 scene.GetCanvasToSceneTransform());
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210
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211 if (!HitTest(scenePos))
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212 return boost::shared_ptr<IFlexiblePointerTracker>();
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213
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214 /**
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215 new EditLineMeasureTracker(
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216 boost::shared_ptr<LineMeasureTool> measureTool;
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217 MessageBroker & broker,
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218 IViewport& viewport,
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219 const PointerEvent & e);
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220 */
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221
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222 boost::shared_ptr<EditAngleMeasureTracker> editAngleMeasureTracker(
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223 new EditAngleMeasureTracker(shared_from_this(), viewport_, e));
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224 return editAngleMeasureTracker;
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225 }
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226
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227 void AngleMeasureTool::SetCenter(ScenePoint2D pt)
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228 {
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229 center_ = pt;
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230 RefreshScene();
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231 }
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232
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233 void AngleMeasureTool::RefreshScene()
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234 {
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235 if (IsSceneAlive())
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236 {
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237 std::unique_ptr<IViewport::ILock> lock(viewport_.Lock());
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238 ViewportController& controller = lock->GetController();
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239 Scene2D& scene = controller.GetScene();
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240
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241 if (IsEnabled())
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242 {
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243 layerHolder_->CreateLayersIfNeeded();
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244
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245 {
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246 // Fill the polyline layer with the measurement lines
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247 PolylineSceneLayer* polylineLayer = layerHolder_->GetPolylineLayer(0);
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248 if (polylineLayer)
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249 {
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250 polylineLayer->ClearAllChains();
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251
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252 const Color color(TOOL_ANGLE_LINES_COLOR_RED,
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253 TOOL_ANGLE_LINES_COLOR_GREEN,
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254 TOOL_ANGLE_LINES_COLOR_BLUE);
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255
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256 const Color highlightColor(TOOL_ANGLE_LINES_HL_COLOR_RED,
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257 TOOL_ANGLE_LINES_HL_COLOR_GREEN,
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258 TOOL_ANGLE_LINES_HL_COLOR_BLUE);
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259
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260 // sides
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261 {
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262 {
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263 PolylineSceneLayer::Chain chain;
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264 chain.push_back(side1End_);
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265 chain.push_back(center_);
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266
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267 if ((angleHighlightArea_ == AngleHighlightArea_Side1) ||
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268 (angleHighlightArea_ == AngleHighlightArea_Side2))
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269 {
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270 polylineLayer->AddChain(chain, false, highlightColor);
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271 }
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272 else
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273 {
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274 polylineLayer->AddChain(chain, false, color);
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275 }
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276 }
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277 {
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278 PolylineSceneLayer::Chain chain;
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279 chain.push_back(side2End_);
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280 chain.push_back(center_);
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281 if ((angleHighlightArea_ == AngleHighlightArea_Side1) ||
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282 (angleHighlightArea_ == AngleHighlightArea_Side2))
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283 {
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284 polylineLayer->AddChain(chain, false, highlightColor);
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285 }
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286 else
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287 {
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288 polylineLayer->AddChain(chain, false, color);
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289 }
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290 }
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291 }
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292
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293 // Create the handles
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294 {
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295 {
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296 PolylineSceneLayer::Chain chain;
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297 //TODO: take DPI into account
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298 AddSquare(chain, controller.GetScene(), side1End_,
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299 controller.GetHandleSideLengthS());
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300
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301 if (angleHighlightArea_ == AngleHighlightArea_Side1End)
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302 polylineLayer->AddChain(chain, true, highlightColor);
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303 else
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304 polylineLayer->AddChain(chain, true, color);
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305
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306 }
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307 {
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308 PolylineSceneLayer::Chain chain;
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309 //TODO: take DPI into account
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310 AddSquare(chain, controller.GetScene(), side2End_,
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311 controller.GetHandleSideLengthS());
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312
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313 if (angleHighlightArea_ == AngleHighlightArea_Side2End)
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314 polylineLayer->AddChain(chain, true, highlightColor);
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315 else
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316 polylineLayer->AddChain(chain, true, color);
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317 }
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318 }
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319
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320 // Create the arc
722
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321 {
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322 PolylineSceneLayer::Chain chain;
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323
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324 AddShortestArc(chain, side1End_, center_, side2End_,
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325 controller.GetAngleToolArcRadiusS());
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326 if (angleHighlightArea_ == AngleHighlightArea_Center)
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327 polylineLayer->AddChain(chain, false, highlightColor);
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328 else
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329 polylineLayer->AddChain(chain, false, color);
722
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330 }
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331 }
698
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332 }
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333 {
722
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334 // Set the text layer
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335
722
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336 double p1cAngle = atan2(
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337 side1End_.GetY() - center_.GetY(),
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338 side1End_.GetX() - center_.GetX());
698
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339
722
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340 double p2cAngle = atan2(
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341 side2End_.GetY() - center_.GetY(),
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342 side2End_.GetX() - center_.GetX());
698
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343
722
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344 double delta = NormalizeAngle(p2cAngle - p1cAngle);
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345 double theta = p1cAngle + delta / 2;
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346
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347 double ox = controller.GetAngleTopTextLabelDistanceS() * cos(theta);
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348 double oy = controller.GetAngleTopTextLabelDistanceS() * sin(theta);
698
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349
774
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diff changeset
350 double pointX = center_.GetX() + ox;
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351 double pointY = center_.GetY() + oy;
698
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352
722
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353 char buf[64];
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354 double angleDeg = RadiansToDegrees(delta);
698
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355
722
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356 // http://www.ltg.ed.ac.uk/~richard/utf-8.cgi?input=00B0&mode=hex
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357 sprintf(buf, "%0.02f\xc2\xb0", angleDeg);
698
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358
906
52b1c6ff10c5 Disabled OpenGL in GuiAdapter to allow for Cairo-only workflows (THIS IS A TEMP CHANGE!!!) + disabled outlined text by default (build macro)
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diff changeset
359 #if ORTHANC_STONE_ENABLE_OUTLINED_TEXT == 1
722
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360 SetTextLayerOutlineProperties(
1305
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361 scene, layerHolder_, buf, ScenePoint2D(pointX, pointY), 0);
906
52b1c6ff10c5 Disabled OpenGL in GuiAdapter to allow for Cairo-only workflows (THIS IS A TEMP CHANGE!!!) + disabled outlined text by default (build macro)
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diff changeset
362 #else
52b1c6ff10c5 Disabled OpenGL in GuiAdapter to allow for Cairo-only workflows (THIS IS A TEMP CHANGE!!!) + disabled outlined text by default (build macro)
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diff changeset
363 SetTextLayerProperties(
1305
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diff changeset
364 scene, layerHolder_, buf, ScenePoint2D(pointX, pointY) , 0);
906
52b1c6ff10c5 Disabled OpenGL in GuiAdapter to allow for Cairo-only workflows (THIS IS A TEMP CHANGE!!!) + disabled outlined text by default (build macro)
Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
365 #endif
698
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diff changeset
366
827
2fd96a637a59 Added FusioMpr sample + small dumb changes
Benjamin Golinvaux <bgo@osimis.io>
parents: 818
diff changeset
367 #if 0
722
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
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diff changeset
368 // TODO:make it togglable
894
f557b18d287f wasm: error log if canvas GL context can't be created
Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
369 bool enableInfoDisplay = true;
722
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370 if (enableInfoDisplay)
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371 {
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372 TrackerSample_SetInfoDisplayMessage("center_.GetX()",
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diff changeset
373 boost::lexical_cast<std::string>(center_.GetX()));
698
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374
722
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375 TrackerSample_SetInfoDisplayMessage("center_.GetY()",
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376 boost::lexical_cast<std::string>(center_.GetY()));
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377
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378 TrackerSample_SetInfoDisplayMessage("side1End_.GetX()",
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379 boost::lexical_cast<std::string>(side1End_.GetX()));
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380
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381 TrackerSample_SetInfoDisplayMessage("side1End_.GetY()",
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382 boost::lexical_cast<std::string>(side1End_.GetY()));
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383
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384 TrackerSample_SetInfoDisplayMessage("side2End_.GetX()",
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385 boost::lexical_cast<std::string>(side2End_.GetX()));
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386
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387 TrackerSample_SetInfoDisplayMessage("side2End_.GetY()",
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388 boost::lexical_cast<std::string>(side2End_.GetY()));
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389
722
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390 TrackerSample_SetInfoDisplayMessage("p1cAngle (deg)",
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391 boost::lexical_cast<std::string>(RadiansToDegrees(p1cAngle)));
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392
722
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393 TrackerSample_SetInfoDisplayMessage("delta (deg)",
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394 boost::lexical_cast<std::string>(RadiansToDegrees(delta)));
698
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395
722
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396 TrackerSample_SetInfoDisplayMessage("theta (deg)",
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397 boost::lexical_cast<std::string>(RadiansToDegrees(theta)));
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398
722
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399 TrackerSample_SetInfoDisplayMessage("p2cAngle (deg)",
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400 boost::lexical_cast<std::string>(RadiansToDegrees(p2cAngle)));
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401
774
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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402 TrackerSample_SetInfoDisplayMessage("ox (scene)",
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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403 boost::lexical_cast<std::string>(ox));
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404
774
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405 TrackerSample_SetInfoDisplayMessage("offsetY (scene)",
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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406 boost::lexical_cast<std::string>(oy));
698
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407
722
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408 TrackerSample_SetInfoDisplayMessage("pointX",
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409 boost::lexical_cast<std::string>(pointX));
698
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diff changeset
410
722
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411 TrackerSample_SetInfoDisplayMessage("pointY",
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412 boost::lexical_cast<std::string>(pointY));
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413
722
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414 TrackerSample_SetInfoDisplayMessage("angleDeg",
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415 boost::lexical_cast<std::string>(angleDeg));
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416 }
827
2fd96a637a59 Added FusioMpr sample + small dumb changes
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diff changeset
417 #endif
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418 }
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419 }
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diff changeset
420 else
698
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421 {
751
712ff6ff3c19 - undo redo now works fine for both measure tool creation commands
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diff changeset
422 RemoveFromScene();
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423 }
1305
a5326ce4f24b Trackers and measuring tools now use the viewport instead of ViewportController, so that proper locks can be used
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diff changeset
424 lock->Invalidate();
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425 }
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426 }
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427 }