Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/Scene2DViewport/ViewportController.cpp @ 1557:a6f339d8e4c2

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reorganization
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 20 Aug 2020 11:17:16 +0200
parents 301571299212
children 4fb8fdf03314
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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 "ViewportController.h"
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22
1557
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23 #include "../StoneException.h" // For ORTHANC_ASSERT
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24 #include "MeasureCommands.h"
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25 #include "UndoStack.h"
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26
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27 #include <boost/make_shared.hpp>
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28
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29 namespace OrthancStone
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30 {
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31 ViewportController::ViewportController(boost::shared_ptr<IViewport> viewport)
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32 : viewport_(viewport)
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33 , scene_(new Scene2D)
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34 , canvasToSceneFactor_(1)
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35 {
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36 // undoStack_ is not default-initialized, which basically means empty.
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37 // The controller must be able to cope with this.
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38 }
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39
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40 ViewportController::~ViewportController()
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41 {
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42 }
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43
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44 void ViewportController::PushCommand(
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45 boost::shared_ptr<MeasureCommand> command)
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46 {
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47 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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48 if (undoStack.get() != NULL)
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49 {
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50 undoStack->PushCommand(command);
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51 }
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52 else
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53 {
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54 LOG(ERROR) << "Internal error: no undo stack!";
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55 }
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56 }
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57
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58 void ViewportController::Undo()
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59 {
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60 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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61 if (undoStack.get() != NULL)
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62 {
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63 undoStack->Undo();
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64 }
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65 else
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66 {
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67 LOG(ERROR) << "Internal error: no undo stack!";
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68 }
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69 }
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71 void ViewportController::Redo()
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72 {
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73 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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74 if (undoStack.get() != NULL)
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76 undoStack->Redo();
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77 }
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78 else
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79 {
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80 LOG(ERROR) << "Internal error: no undo stack!";
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81 }
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82 }
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83
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84 bool ViewportController::CanUndo() const
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86 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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87 if (undoStack.get() != NULL)
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89 return undoStack->CanUndo();
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90 }
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91 else
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92 {
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93 LOG(ERROR) << "Internal error: no undo stack!";
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94 return false;
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95 }
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96 }
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97
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98 bool ViewportController::CanRedo() const
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100 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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101 if (undoStack.get() != NULL)
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103 return undoStack->CanRedo();
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104 }
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105 else
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106 {
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107 LOG(ERROR) << "Internal error: no undo stack!";
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108 return false;
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109 }
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110 }
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111
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112 std::vector<boost::shared_ptr<MeasureTool> >
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113 ViewportController::HitTestMeasureTools(ScenePoint2D p)
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114 {
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115 std::vector<boost::shared_ptr<MeasureTool> > ret;
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116
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117 for (size_t i = 0; i < measureTools_.size(); ++i)
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118 {
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119 if (measureTools_[i]->HitTest(p))
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120 ret.push_back(measureTools_[i]);
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121 }
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122 return ret;
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123 }
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124
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125 void ViewportController::ResetMeasuringToolsHighlight()
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126 {
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127 for (size_t i = 0; i < measureTools_.size(); ++i)
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128 {
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129 measureTools_[i]->ResetHighlightState();
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130 }
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131 }
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132
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133 OrthancStone::AffineTransform2D
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134 ViewportController::GetCanvasToSceneTransform() const
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135 {
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136 return scene_->GetCanvasToSceneTransform();
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137 }
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138
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139 OrthancStone::AffineTransform2D
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140 ViewportController::GetSceneToCanvasTransform() const
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141 {
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142 return scene_->GetSceneToCanvasTransform();
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143 }
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144
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145 void ViewportController::SetSceneToCanvasTransform(
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146 const AffineTransform2D& transform)
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147 {
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148 scene_->SetSceneToCanvasTransform(transform);
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149
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150 canvasToSceneFactor_ = scene_->GetCanvasToSceneTransform().ComputeZoom();
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151 BroadcastMessage(SceneTransformChanged(*this));
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152 }
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153
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154 void ViewportController::FitContent(unsigned int viewportWidth,
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155 unsigned int viewportHeight)
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156 {
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157 scene_->FitContent(viewportWidth, viewportHeight);
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158 canvasToSceneFactor_ = scene_->GetCanvasToSceneTransform().ComputeZoom();
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159 BroadcastMessage(SceneTransformChanged(*this));
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160 }
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161
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162 void ViewportController::AddMeasureTool(
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163 boost::shared_ptr<MeasureTool> measureTool)
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164 {
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165 ORTHANC_ASSERT(std::find(measureTools_.begin(),
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166 measureTools_.end(),
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167 measureTool) == measureTools_.end(),
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168 "Duplicate measure tool");
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169 measureTools_.push_back(measureTool);
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170 }
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171
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172 void ViewportController::RemoveMeasureTool(
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173 boost::shared_ptr<MeasureTool> measureTool)
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174 {
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175 ORTHANC_ASSERT(std::find(measureTools_.begin(),
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176 measureTools_.end(),
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177 measureTool) != measureTools_.end(),
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178 "Measure tool not found");
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179 measureTools_.erase(
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180 std::remove(measureTools_.begin(), measureTools_.end(), measureTool),
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181 measureTools_.end());
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182 }
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183
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184 double ViewportController::GetCanvasToSceneFactor() const
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185 {
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186 return canvasToSceneFactor_;
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187 }
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188
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189 double ViewportController::GetHandleSideLengthS() const
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190 {
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191 return HANDLE_SIDE_LENGTH_CANVAS_COORD * GetCanvasToSceneFactor();
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192 }
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193
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194 double ViewportController::GetAngleToolArcRadiusS() const
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195 {
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196 return ARC_RADIUS_CANVAS_COORD * GetCanvasToSceneFactor();
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197 }
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198
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199 double ViewportController::GetHitTestMaximumDistanceS() const
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200 {
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201 return HIT_TEST_MAX_DISTANCE_CANVAS_COORD * GetCanvasToSceneFactor();
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202 }
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203
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204 double ViewportController::GetAngleTopTextLabelDistanceS() const
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205 {
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206 return TEXT_CENTER_DISTANCE_CANVAS_COORD * GetCanvasToSceneFactor();
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207 }
1208
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208
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209
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210 void ViewportController::HandleMousePress(
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211 OrthancStone::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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diff changeset
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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diff changeset
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;
964c89e15e7e ViewportController::HandleMouseMove() returning a Boolean for invalidation
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253 }
964c89e15e7e ViewportController::HandleMouseMove() returning a Boolean for invalidation
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254 else
964c89e15e7e ViewportController::HandleMouseMove() returning a Boolean for invalidation
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255 {
964c89e15e7e ViewportController::HandleMouseMove() returning a Boolean for invalidation
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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 }
698
8b6adfb62a2f Code is broken -- stashing ongoing work in a branch
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272 }