Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Scene2DViewport/ViewportController.cpp @ 1664:32e765ca7193
fix build
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 19 Nov 2020 12:15:21 +0100 |
parents | 52b8b96cb55f |
children | d4a8e2b19a65 |
rev | line source |
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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 Lesser 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 * Lesser 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 Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
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20 **/ |
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21 |
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22 #include "ViewportController.h" |
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23 |
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25 #include "MeasureCommands.h" |
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27 |
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28 #include <boost/make_shared.hpp> |
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29 |
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30 namespace OrthancStone |
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31 { |
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32 ViewportController::ViewportController(boost::weak_ptr<IViewport> viewport) |
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33 : viewport_(viewport) |
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34 , scene_(new Scene2D) |
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35 , canvasToSceneFactor_(1) |
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36 { |
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37 // undoStack_ is not default-initialized, which basically means empty. |
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38 // The controller must be able to cope with this. |
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39 } |
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40 |
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41 ViewportController::~ViewportController() |
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42 { |
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43 } |
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44 |
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45 void ViewportController::PushCommand( |
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46 boost::shared_ptr<MeasureCommand> command) |
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47 { |
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48 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock(); |
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49 if (undoStack.get() != NULL) |
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51 undoStack->PushCommand(command); |
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52 } |
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53 else |
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54 { |
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55 LOG(ERROR) << "Internal error: no undo stack!"; |
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56 } |
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57 } |
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58 |
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59 void ViewportController::Undo() |
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60 { |
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61 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock(); |
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62 if (undoStack.get() != NULL) |
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64 undoStack->Undo(); |
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65 } |
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66 else |
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68 LOG(ERROR) << "Internal error: no undo stack!"; |
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69 } |
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70 } |
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71 |
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72 void ViewportController::Redo() |
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74 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock(); |
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75 if (undoStack.get() != NULL) |
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77 undoStack->Redo(); |
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78 } |
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79 else |
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80 { |
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81 LOG(ERROR) << "Internal error: no undo stack!"; |
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82 } |
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83 } |
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84 |
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85 bool ViewportController::CanUndo() const |
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87 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock(); |
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88 if (undoStack.get() != NULL) |
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89 { |
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90 return undoStack->CanUndo(); |
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91 } |
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92 else |
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93 { |
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94 LOG(ERROR) << "Internal error: no undo stack!"; |
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95 return false; |
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96 } |
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97 } |
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98 |
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99 bool ViewportController::CanRedo() const |
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100 { |
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101 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock(); |
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102 if (undoStack.get() != NULL) |
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103 { |
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104 return undoStack->CanRedo(); |
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105 } |
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106 else |
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107 { |
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108 LOG(ERROR) << "Internal error: no undo stack!"; |
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109 return false; |
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110 } |
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111 } |
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112 |
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113 std::vector<boost::shared_ptr<MeasureTool> > |
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114 ViewportController::HitTestMeasureTools(ScenePoint2D p) |
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115 { |
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116 std::vector<boost::shared_ptr<MeasureTool> > ret; |
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117 |
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118 for (size_t i = 0; i < measureTools_.size(); ++i) |
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119 { |
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120 if (measureTools_[i]->HitTest(p)) |
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121 ret.push_back(measureTools_[i]); |
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122 } |
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123 return ret; |
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124 } |
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125 |
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126 void ViewportController::ResetMeasuringToolsHighlight() |
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127 { |
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128 for (size_t i = 0; i < measureTools_.size(); ++i) |
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129 { |
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130 measureTools_[i]->ResetHighlightState(); |
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131 } |
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132 } |
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133 |
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134 AffineTransform2D |
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135 ViewportController::GetCanvasToSceneTransform() const |
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136 { |
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137 return scene_->GetCanvasToSceneTransform(); |
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138 } |
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139 |
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140 AffineTransform2D |
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141 ViewportController::GetSceneToCanvasTransform() const |
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142 { |
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143 return scene_->GetSceneToCanvasTransform(); |
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144 } |
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145 |
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146 void ViewportController::SetSceneToCanvasTransform( |
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147 const AffineTransform2D& transform) |
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148 { |
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149 scene_->SetSceneToCanvasTransform(transform); |
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150 |
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151 canvasToSceneFactor_ = scene_->GetCanvasToSceneTransform().ComputeZoom(); |
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152 BroadcastMessage(SceneTransformChanged(*this)); |
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153 } |
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154 |
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155 void ViewportController::FitContent(unsigned int viewportWidth, |
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156 unsigned int viewportHeight) |
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157 { |
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158 scene_->FitContent(viewportWidth, viewportHeight); |
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159 canvasToSceneFactor_ = scene_->GetCanvasToSceneTransform().ComputeZoom(); |
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160 BroadcastMessage(SceneTransformChanged(*this)); |
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161 } |
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162 |
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163 void ViewportController::AddMeasureTool( |
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164 boost::shared_ptr<MeasureTool> measureTool) |
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165 { |
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166 ORTHANC_ASSERT(std::find(measureTools_.begin(), |
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167 measureTools_.end(), |
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168 measureTool) == measureTools_.end(), |
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169 "Duplicate measure tool"); |
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170 measureTools_.push_back(measureTool); |
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171 } |
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172 |
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173 void ViewportController::RemoveMeasureTool( |
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174 boost::shared_ptr<MeasureTool> measureTool) |
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175 { |
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176 ORTHANC_ASSERT(std::find(measureTools_.begin(), |
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177 measureTools_.end(), |
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178 measureTool) != measureTools_.end(), |
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179 "Measure tool not found"); |
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180 measureTools_.erase( |
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181 std::remove(measureTools_.begin(), measureTools_.end(), measureTool), |
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182 measureTools_.end()); |
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183 } |
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184 |
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185 double ViewportController::GetCanvasToSceneFactor() const |
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186 { |
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187 return canvasToSceneFactor_; |
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188 } |
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189 |
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|
190 double ViewportController::GetHandleSideLengthS() const |
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191 { |
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192 return HANDLE_SIDE_LENGTH_CANVAS_COORD * GetCanvasToSceneFactor(); |
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193 } |
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194 |
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195 double ViewportController::GetAngleToolArcRadiusS() const |
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196 { |
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197 return ARC_RADIUS_CANVAS_COORD * GetCanvasToSceneFactor(); |
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198 } |
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199 |
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200 double ViewportController::GetHitTestMaximumDistanceS() const |
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201 { |
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202 return HIT_TEST_MAX_DISTANCE_CANVAS_COORD * GetCanvasToSceneFactor(); |
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203 } |
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204 |
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205 double ViewportController::GetAngleTopTextLabelDistanceS() const |
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206 { |
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207 return TEXT_CENTER_DISTANCE_CANVAS_COORD * GetCanvasToSceneFactor(); |
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208 } |
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209 |
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210 |
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211 void ViewportController::HandleMousePress(IViewportInteractor& interactor, |
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212 const PointerEvent& event, |
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213 unsigned int viewportWidth, |
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214 unsigned int viewportHeight) |
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215 { |
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216 if (activeTracker_) |
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217 { |
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218 // We are dealing with a multi-stage tracker (that is made of several |
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219 // interactions) |
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220 activeTracker_->PointerDown(event); |
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221 |
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222 if (!activeTracker_->IsAlive()) |
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223 { |
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224 activeTracker_.reset(); |
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225 } |
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226 } |
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227 else |
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228 { |
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229 // Check whether there is already a measure tool at that position |
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230 for (size_t i = 0; i < measureTools_.size(); ++i) |
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231 { |
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232 if (measureTools_[i]->HitTest(event.GetMainPosition())) |
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233 { |
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234 activeTracker_ = measureTools_[i]->CreateEditionTracker(event); |
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235 return; |
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236 } |
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237 } |
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238 |
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239 // No measure tool, create new tracker from the interactor |
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240 activeTracker_.reset(interactor.CreateTracker(viewport_, |
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241 event, |
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242 viewportWidth, |
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243 viewportHeight)); |
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244 } |
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245 } |
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246 |
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247 bool ViewportController::HandleMouseMove(const PointerEvent& event) |
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248 { |
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249 if (activeTracker_) |
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250 { |
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251 activeTracker_->PointerMove(event); |
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252 return true; |
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253 } |
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254 else |
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255 { |
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256 return false; |
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257 } |
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258 } |
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259 |
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260 void ViewportController::HandleMouseRelease(const PointerEvent& event) |
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261 { |
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262 if (activeTracker_) |
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263 { |
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264 activeTracker_->PointerUp(event); |
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265 |
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266 if (!activeTracker_->IsAlive()) |
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267 { |
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268 activeTracker_.reset(); |
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269 } |
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270 } |
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271 } |
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272 } |