Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/ViewportController.cpp @ 1213:86a8266b8888 broker

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moving the scene from IViewport to ViewportController
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 04 Dec 2019 17:54:10 +0100
parents 644baa70373d
children 741201eab130
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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 "ViewportController.h"
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22
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23 #include "UndoStack.h"
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24 #include "MeasureCommands.h"
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25
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26 #include "../StoneException.h"
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27 #include "../Scene2D/PanSceneTracker.h"
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28 #include "../Scene2D/RotateSceneTracker.h"
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29 #include "../Scene2D/ZoomSceneTracker.h"
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30
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31 #include <boost/make_shared.hpp>
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32
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33 namespace OrthancStone
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34 {
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35 IFlexiblePointerTracker* DefaultViewportInteractor::CreateTracker(boost::shared_ptr<ViewportController> controller,
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36 const PointerEvent& event)
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37 {
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38 switch (event.GetMouseButton())
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39 {
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40 case MouseButton_Left:
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41 return new RotateSceneTracker(controller, event);
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42
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43 case MouseButton_Middle:
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44 return new PanSceneTracker(controller, event);
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45
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46 case MouseButton_Right:
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47 {
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48 std::auto_ptr<IViewport::ILock> lock(controller->GetViewport().Lock());
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49 if (lock->HasCompositor())
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50 {
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51 return new ZoomSceneTracker(controller, event, lock->GetCompositor().GetCanvasWidth());
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52 }
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53 else
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54 {
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55 return NULL;
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56 }
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57 }
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58
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59 default:
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60 return NULL;
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61 }
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62 }
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63
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64
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65 ViewportController::ViewportController(boost::weak_ptr<UndoStack> undoStackW,
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66 boost::shared_ptr<IViewport> viewport)
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67 : undoStackW_(undoStackW)
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68 , viewport_(viewport)
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69 , canvasToSceneFactor_(1)
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70 {
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71 if (viewport.get() == NULL)
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72 {
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73 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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74 }
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75 }
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76
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77 ViewportController::~ViewportController()
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78 {
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79 }
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80
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81 void ViewportController::PushCommand(boost::shared_ptr<MeasureCommand> command)
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82 {
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83 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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84 if (undoStack.get() != NULL)
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86 undoStack->PushCommand(command);
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87 }
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88 else
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89 {
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90 LOG(ERROR) << "Internal error: no undo stack in the viewport controller!";
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91 }
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92 }
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93
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94 void ViewportController::Undo()
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95 {
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96 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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97 if (undoStack.get() != NULL)
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99 undoStack->Undo();
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100 }
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101 else
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102 {
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103 LOG(ERROR) << "Internal error: no undo stack in the viewport controller!";
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104 }
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105 }
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106
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107 void ViewportController::Redo()
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108 {
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109 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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110 if (undoStack.get() != NULL)
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112 undoStack->Redo();
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113 }
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114 else
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115 {
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116 LOG(ERROR) << "Internal error: no undo stack in the viewport controller!";
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117 }
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118 }
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119
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120 bool ViewportController::CanUndo() const
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121 {
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122 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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123 if (undoStack.get() != NULL)
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124 {
906
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125 return undoStack->CanUndo();
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126 }
906
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127 else
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128 {
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129 LOG(ERROR) << "Internal error: no undo stack in the viewport controller!";
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130 return false;
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131 }
858
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132 }
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133
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134 bool ViewportController::CanRedo() const
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135 {
906
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136 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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137 if (undoStack.get() != NULL)
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138 {
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139 return undoStack->CanRedo();
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140 }
906
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141 else
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142 {
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143 LOG(ERROR) << "Internal error: no undo stack in the viewport controller!";
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144 return false;
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145 }
858
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146 }
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147
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148 std::vector<boost::shared_ptr<MeasureTool> > ViewportController::HitTestMeasureTools(
721
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149 ScenePoint2D p)
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150 {
842
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151 std::vector<boost::shared_ptr<MeasureTool> > ret;
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152
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153 for (size_t i = 0; i < measureTools_.size(); ++i)
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154 {
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155 if (measureTools_[i]->HitTest(p))
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156 ret.push_back(measureTools_[i]);
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157 }
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158 return ret;
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159 }
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160
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161
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162 void ViewportController::ResetMeasuringToolsHighlight()
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163 {
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164 for (size_t i = 0; i < measureTools_.size(); ++i)
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165 {
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166 measureTools_[i]->ResetHighlightState();
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167 }
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168 }
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169
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170 OrthancStone::AffineTransform2D ViewportController::GetCanvasToSceneTransform() const
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171 {
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172 return scene_.GetCanvasToSceneTransform();
700
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173 }
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174
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175 OrthancStone::AffineTransform2D ViewportController::GetSceneToCanvasTransform() const
700
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176 {
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177 return scene_.GetSceneToCanvasTransform();
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178 }
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179
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diff changeset
180 void ViewportController::SetSceneToCanvasTransform(const AffineTransform2D& transform)
700
059e1fd05fd6 Introduced the ViewportController that sits between the application and the
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diff changeset
181 {
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diff changeset
182 scene_.SetSceneToCanvasTransform(transform);
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183
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diff changeset
184 canvasToSceneFactor_ = scene_.GetCanvasToSceneTransform().ComputeZoom();
721
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185 BroadcastMessage(SceneTransformChanged(*this));
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186 }
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diff changeset
187
916
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Alain Mazy <alain@mazy.be>
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diff changeset
188 void ViewportController::FitContent()
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diff changeset
189 {
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190 {
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diff changeset
191 std::auto_ptr<IViewport::ILock> lock(viewport_->Lock());
1213
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diff changeset
192 lock->FitContent(scene_);
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diff changeset
193 }
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diff changeset
194
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diff changeset
195 canvasToSceneFactor_ = scene_.GetCanvasToSceneTransform().ComputeZoom();
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diff changeset
196 BroadcastMessage(SceneTransformChanged(*this));
916
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diff changeset
197 }
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diff changeset
198
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diff changeset
199 void ViewportController::AddMeasureTool(boost::shared_ptr<MeasureTool> measureTool)
722
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
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diff changeset
200 {
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
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parents: 721
diff changeset
201 ORTHANC_ASSERT(std::find(measureTools_.begin(), measureTools_.end(), measureTool)
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diff changeset
202 == measureTools_.end(), "Duplicate measure tool");
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
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parents: 721
diff changeset
203 measureTools_.push_back(measureTool);
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diff changeset
204 }
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
205
818
e42b491f1fb2 Removed typedefs to shared_ptr by making them explicit. Removed using namespace
Benjamin Golinvaux <bgo@osimis.io>
parents: 774
diff changeset
206 void ViewportController::RemoveMeasureTool(boost::shared_ptr<MeasureTool> measureTool)
722
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
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parents: 721
diff changeset
207 {
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
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parents: 721
diff changeset
208 ORTHANC_ASSERT(std::find(measureTools_.begin(), measureTools_.end(), measureTool)
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
209 != measureTools_.end(), "Measure tool not found");
761
07adcffba38c truncation warning fixes + CRLF -> LF + random measuring tool creation (keyb
Benjamin Golinvaux <bgo@osimis.io>
parents: 754
diff changeset
210 measureTools_.erase(
07adcffba38c truncation warning fixes + CRLF -> LF + random measuring tool creation (keyb
Benjamin Golinvaux <bgo@osimis.io>
parents: 754
diff changeset
211 std::remove(measureTools_.begin(), measureTools_.end(), measureTool),
07adcffba38c truncation warning fixes + CRLF -> LF + random measuring tool creation (keyb
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parents: 754
diff changeset
212 measureTools_.end());
722
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
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parents: 721
diff changeset
213 }
774
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
214
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
215 double ViewportController::GetCanvasToSceneFactor() const
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
216 {
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
217 return canvasToSceneFactor_;
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diff changeset
218 }
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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parents: 761
diff changeset
219
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
220 double ViewportController::GetHandleSideLengthS() const
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
221 {
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diff changeset
222 return HANDLE_SIDE_LENGTH_CANVAS_COORD * GetCanvasToSceneFactor();
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diff changeset
223 }
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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parents: 761
diff changeset
224
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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parents: 761
diff changeset
225 double ViewportController::GetAngleToolArcRadiusS() const
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diff changeset
226 {
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
227 return ARC_RADIUS_CANVAS_COORD * GetCanvasToSceneFactor();
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diff changeset
228 }
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
229
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
230 double ViewportController::GetHitTestMaximumDistanceS() const
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
231 {
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
232 return HIT_TEST_MAX_DISTANCE_CANVAS_COORD * GetCanvasToSceneFactor();
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diff changeset
233 }
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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parents: 761
diff changeset
234
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
235 double ViewportController::GetAngleTopTextLabelDistanceS() const
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
236 {
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
237 return TEXT_CENTER_DISTANCE_CANVAS_COORD * GetCanvasToSceneFactor();
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diff changeset
238 }
1208
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diff changeset
239
00e6bff9ea39 handling of mouse interactions in ViewportController
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diff changeset
240
1210
644baa70373d removing interactor from the ViewportController members
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
241 void ViewportController::HandleMousePress(IViewportInteractor& interactor,
644baa70373d removing interactor from the ViewportController members
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diff changeset
242 const PointerEvent& event)
1208
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diff changeset
243 {
00e6bff9ea39 handling of mouse interactions in ViewportController
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244 if (activeTracker_)
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245 {
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246 // We are dealing with a multi-stage tracker (that is made of several interactions)
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247 activeTracker_->PointerDown(event);
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248
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249 if (!activeTracker_->IsAlive())
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250 {
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251 activeTracker_.reset();
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252 }
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253 }
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254 else
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255 {
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256 // Check whether there is already a measure tool at that position
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257 for (size_t i = 0; i < measureTools_.size(); ++i)
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258 {
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259 if (measureTools_[i]->HitTest(event.GetMainPosition()))
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260 {
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261 activeTracker_ = measureTools_[i]->CreateEditionTracker(event);
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262 return;
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263 }
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264 }
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265
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266 // No measure tool, create new tracker from the interactor
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267 activeTracker_.reset(interactor.CreateTracker(shared_from_this(), event));
1208
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268 }
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269 }
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270
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271 void ViewportController::HandleMouseMove(const PointerEvent& event)
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272 {
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273 if (activeTracker_)
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274 {
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275 activeTracker_->PointerMove(event);
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276 }
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277 }
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278
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279 void ViewportController::HandleMouseRelease(const PointerEvent& event)
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280 {
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281 if (activeTracker_)
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282 {
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283 activeTracker_->PointerUp(event);
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284
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285 if (!activeTracker_->IsAlive())
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286 {
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287 activeTracker_.reset();
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288 }
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289 }
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290 }
698
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291 }