Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/ViewportController.cpp @ 1249:964c89e15e7e broker

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ViewportController::HandleMouseMove() returning a Boolean for invalidation
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 07 Jan 2020 14:23:24 +0100
parents f621b57c9f37
children 0ca50d275b9a
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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(
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36 boost::shared_ptr<ViewportController> controller,
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37 const PointerEvent& event,
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38 unsigned int viewportWidth,
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39 unsigned int viewportHeight)
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40 {
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41 switch (event.GetMouseButton())
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42 {
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43 case MouseButton_Left:
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44 return new RotateSceneTracker(controller, event);
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45
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46 case MouseButton_Middle:
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47 return new PanSceneTracker(controller, event);
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48
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49 case MouseButton_Right:
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50 {
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51 if (viewportWidth != 0)
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52 {
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53 return new ZoomSceneTracker(controller, event, viewportWidth);
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54 }
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55 else
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56 {
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57 return NULL;
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58 }
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59 }
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60
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61 default:
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62 return NULL;
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63 }
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64 }
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65
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66
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67 ViewportController::ViewportController() :
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68 undoStackW_(boost::make_shared<OrthancStone::UndoStack>()),
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69 scene_(new Scene2D),
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70 canvasToSceneFactor_(1)
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71 {
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72 }
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73
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74 ViewportController::ViewportController(const Scene2D& scene) :
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75 undoStackW_(boost::make_shared<OrthancStone::UndoStack>()),
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76 scene_(scene.Clone()),
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77 canvasToSceneFactor_(1)
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78 {
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79 }
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80
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81 ViewportController::ViewportController(boost::weak_ptr<UndoStack> undoStackW) :
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82 undoStackW_(undoStackW),
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83 scene_(new Scene2D),
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84 canvasToSceneFactor_(1)
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85 {
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86 }
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87
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88 ViewportController::~ViewportController()
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89 {
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90 }
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91
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92 void ViewportController::PushCommand(boost::shared_ptr<MeasureCommand> command)
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93 {
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94 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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95 if (undoStack.get() != NULL)
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97 undoStack->PushCommand(command);
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98 }
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99 else
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100 {
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101 LOG(ERROR) << "Internal error: no undo stack in the viewport controller!";
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102 }
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103 }
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104
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105 void ViewportController::Undo()
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106 {
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107 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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108 if (undoStack.get() != NULL)
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110 undoStack->Undo();
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111 }
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112 else
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114 LOG(ERROR) << "Internal error: no undo stack in the viewport controller!";
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115 }
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116 }
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117
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118 void ViewportController::Redo()
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120 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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121 if (undoStack.get() != NULL)
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123 undoStack->Redo();
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124 }
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125 else
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>
parents: 893
diff changeset
126 {
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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parents: 893
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127 LOG(ERROR) << "Internal error: no undo stack in the viewport controller!";
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parents: 893
diff changeset
128 }
858
e3c56d4f863f GuiAdapter : mouse event routing in SDL + split the undo stack from the
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129 }
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diff changeset
130
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diff changeset
131 bool ViewportController::CanUndo() const
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diff changeset
132 {
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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parents: 893
diff changeset
133 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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
134 if (undoStack.get() != NULL)
1208
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diff changeset
135 {
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>
parents: 893
diff changeset
136 return undoStack->CanUndo();
1208
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1203
diff changeset
137 }
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>
parents: 893
diff changeset
138 else
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parents: 893
diff changeset
139 {
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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parents: 893
diff changeset
140 LOG(ERROR) << "Internal error: no undo stack in the viewport controller!";
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diff changeset
141 return false;
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parents: 893
diff changeset
142 }
858
e3c56d4f863f GuiAdapter : mouse event routing in SDL + split the undo stack from the
Benjamin Golinvaux <bgo@osimis.io>
parents: 842
diff changeset
143 }
e3c56d4f863f GuiAdapter : mouse event routing in SDL + split the undo stack from the
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parents: 842
diff changeset
144
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Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
145 bool ViewportController::CanRedo() const
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146 {
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>
parents: 893
diff changeset
147 boost::shared_ptr<UndoStack> undoStack = undoStackW_.lock();
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diff changeset
148 if (undoStack.get() != NULL)
1208
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diff changeset
149 {
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
150 return undoStack->CanRedo();
1208
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1203
diff changeset
151 }
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>
parents: 893
diff changeset
152 else
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Benjamin Golinvaux <bgo@osimis.io>
parents: 893
diff changeset
153 {
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>
parents: 893
diff changeset
154 LOG(ERROR) << "Internal error: no undo stack in the viewport controller!";
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parents: 893
diff changeset
155 return false;
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>
parents: 893
diff changeset
156 }
858
e3c56d4f863f GuiAdapter : mouse event routing in SDL + split the undo stack from the
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parents: 842
diff changeset
157 }
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parents: 842
diff changeset
158
842
2b245953b44b removed some c++11 for older compilers
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 818
diff changeset
159 std::vector<boost::shared_ptr<MeasureTool> > ViewportController::HitTestMeasureTools(
721
af0aa0c149fa FitContent is now wrapped by the controller (for observability)
Benjamin Golinvaux <bgo@osimis.io>
parents: 700
diff changeset
160 ScenePoint2D p)
af0aa0c149fa FitContent is now wrapped by the controller (for observability)
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diff changeset
161 {
842
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Sebastien Jodogne <s.jodogne@gmail.com>
parents: 818
diff changeset
162 std::vector<boost::shared_ptr<MeasureTool> > ret;
721
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diff changeset
163
774
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
164 for (size_t i = 0; i < measureTools_.size(); ++i)
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165 {
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diff changeset
166 if (measureTools_[i]->HitTest(p))
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
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diff changeset
167 ret.push_back(measureTools_[i]);
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diff changeset
168 }
721
af0aa0c149fa FitContent is now wrapped by the controller (for observability)
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diff changeset
169 return ret;
af0aa0c149fa FitContent is now wrapped by the controller (for observability)
Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
170 }
af0aa0c149fa FitContent is now wrapped by the controller (for observability)
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diff changeset
171
865
a29c13497557 Added operators to ScenePoint2D + highlight support on MouseOver for measuring tools
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parents: 858
diff changeset
172
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Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
173 void ViewportController::ResetMeasuringToolsHighlight()
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diff changeset
174 {
a29c13497557 Added operators to ScenePoint2D + highlight support on MouseOver for measuring tools
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diff changeset
175 for (size_t i = 0; i < measureTools_.size(); ++i)
a29c13497557 Added operators to ScenePoint2D + highlight support on MouseOver for measuring tools
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diff changeset
176 {
a29c13497557 Added operators to ScenePoint2D + highlight support on MouseOver for measuring tools
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diff changeset
177 measureTools_[i]->ResetHighlightState();
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diff changeset
178 }
a29c13497557 Added operators to ScenePoint2D + highlight support on MouseOver for measuring tools
Benjamin Golinvaux <bgo@osimis.io>
parents: 858
diff changeset
179 }
a29c13497557 Added operators to ScenePoint2D + highlight support on MouseOver for measuring tools
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diff changeset
180
1203
f3bb9a6dd949 locking abstraction in IViewport
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
181 OrthancStone::AffineTransform2D ViewportController::GetCanvasToSceneTransform() const
700
059e1fd05fd6 Introduced the ViewportController that sits between the application and the
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parents: 698
diff changeset
182 {
1232
a28861abf888 viewports for WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1216
diff changeset
183 return scene_->GetCanvasToSceneTransform();
700
059e1fd05fd6 Introduced the ViewportController that sits between the application and the
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parents: 698
diff changeset
184 }
059e1fd05fd6 Introduced the ViewportController that sits between the application and the
Benjamin Golinvaux <bgo@osimis.io>
parents: 698
diff changeset
185
1203
f3bb9a6dd949 locking abstraction in IViewport
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
186 OrthancStone::AffineTransform2D ViewportController::GetSceneToCanvasTransform() const
700
059e1fd05fd6 Introduced the ViewportController that sits between the application and the
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parents: 698
diff changeset
187 {
1232
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Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
188 return scene_->GetSceneToCanvasTransform();
700
059e1fd05fd6 Introduced the ViewportController that sits between the application and the
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parents: 698
diff changeset
189 }
059e1fd05fd6 Introduced the ViewportController that sits between the application and the
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parents: 698
diff changeset
190
1208
00e6bff9ea39 handling of mouse interactions in ViewportController
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
191 void ViewportController::SetSceneToCanvasTransform(const AffineTransform2D& transform)
700
059e1fd05fd6 Introduced the ViewportController that sits between the application and the
Benjamin Golinvaux <bgo@osimis.io>
parents: 698
diff changeset
192 {
1232
a28861abf888 viewports for WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1216
diff changeset
193 scene_->SetSceneToCanvasTransform(transform);
1213
86a8266b8888 moving the scene from IViewport to ViewportController
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1210
diff changeset
194
1232
a28861abf888 viewports for WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1216
diff changeset
195 canvasToSceneFactor_ = scene_->GetCanvasToSceneTransform().ComputeZoom();
721
af0aa0c149fa FitContent is now wrapped by the controller (for observability)
Benjamin Golinvaux <bgo@osimis.io>
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diff changeset
196 BroadcastMessage(SceneTransformChanged(*this));
af0aa0c149fa FitContent is now wrapped by the controller (for observability)
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diff changeset
197 }
af0aa0c149fa FitContent is now wrapped by the controller (for observability)
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diff changeset
198
1215
9efa66d8d3f8 removed ViewportBase, and removed dependency of ViewportController on IViewport
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1214
diff changeset
199 void ViewportController::FitContent(unsigned int viewportWidth,
9efa66d8d3f8 removed ViewportBase, and removed dependency of ViewportController on IViewport
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1214
diff changeset
200 unsigned int viewportHeight)
916
a911f5bb48da MultiPlatform Basic Scene sample (so far: SDL + Qt)
Alain Mazy <alain@mazy.be>
parents: 906
diff changeset
201 {
1232
a28861abf888 viewports for WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1216
diff changeset
202 scene_->FitContent(viewportWidth, viewportHeight);
a28861abf888 viewports for WebAssembly
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1216
diff changeset
203 canvasToSceneFactor_ = scene_->GetCanvasToSceneTransform().ComputeZoom();
1208
00e6bff9ea39 handling of mouse interactions in ViewportController
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1203
diff changeset
204 BroadcastMessage(SceneTransformChanged(*this));
916
a911f5bb48da MultiPlatform Basic Scene sample (so far: SDL + Qt)
Alain Mazy <alain@mazy.be>
parents: 906
diff changeset
205 }
a911f5bb48da MultiPlatform Basic Scene sample (so far: SDL + Qt)
Alain Mazy <alain@mazy.be>
parents: 906
diff changeset
206
818
e42b491f1fb2 Removed typedefs to shared_ptr by making them explicit. Removed using namespace
Benjamin Golinvaux <bgo@osimis.io>
parents: 774
diff changeset
207 void ViewportController::AddMeasureTool(boost::shared_ptr<MeasureTool> measureTool)
722
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
208 {
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
209 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
210 == measureTools_.end(), "Duplicate measure tool");
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
211 measureTools_.push_back(measureTool);
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
212 }
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
213
818
e42b491f1fb2 Removed typedefs to shared_ptr by making them explicit. Removed using namespace
Benjamin Golinvaux <bgo@osimis.io>
parents: 774
diff changeset
214 void ViewportController::RemoveMeasureTool(boost::shared_ptr<MeasureTool> measureTool)
722
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
215 {
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
216 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
217 != 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
218 measureTools_.erase(
07adcffba38c truncation warning fixes + CRLF -> LF + random measuring tool creation (keyb
Benjamin Golinvaux <bgo@osimis.io>
parents: 754
diff changeset
219 std::remove(measureTools_.begin(), measureTools_.end(), measureTool),
07adcffba38c truncation warning fixes + CRLF -> LF + random measuring tool creation (keyb
Benjamin Golinvaux <bgo@osimis.io>
parents: 754
diff changeset
220 measureTools_.end());
722
28b9e3a54200 Undo mechanism implemented (not connected to UI yet). Undo stack and measuring
Benjamin Golinvaux <bgo@osimis.io>
parents: 721
diff changeset
221 }
774
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
222
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
223 double ViewportController::GetCanvasToSceneFactor() const
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
224 {
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
225 return canvasToSceneFactor_;
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
226 }
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
227
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
228 double ViewportController::GetHandleSideLengthS() const
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
229 {
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
230 return HANDLE_SIDE_LENGTH_CANVAS_COORD * GetCanvasToSceneFactor();
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
231 }
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
232
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
233 double ViewportController::GetAngleToolArcRadiusS() const
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
234 {
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
235 return ARC_RADIUS_CANVAS_COORD * GetCanvasToSceneFactor();
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
236 }
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
237
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
238 double ViewportController::GetHitTestMaximumDistanceS() const
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
239 {
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
240 return HIT_TEST_MAX_DISTANCE_CANVAS_COORD * GetCanvasToSceneFactor();
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
241 }
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
242
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
243 double ViewportController::GetAngleTopTextLabelDistanceS() const
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
244 {
66ac7a2d1e3a A few renames and cleanups + moved GUI constants to controller + start work on
Benjamin Golinvaux <bgo@osimis.io>
parents: 761
diff changeset
245 return TEXT_CENTER_DISTANCE_CANVAS_COORD * GetCanvasToSceneFactor();
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246 }
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247
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248
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249 void ViewportController::HandleMousePress(OrthancStone::IViewportInteractor& interactor,
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250 const PointerEvent& event,
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251 unsigned int viewportWidth,
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252 unsigned int viewportHeight)
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253 {
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254 if (activeTracker_)
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255 {
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256 // We are dealing with a multi-stage tracker (that is made of several interactions)
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257 activeTracker_->PointerDown(event);
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258
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259 if (!activeTracker_->IsAlive())
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260 {
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261 activeTracker_.reset();
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262 }
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263 }
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264 else
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265 {
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266 // Check whether there is already a measure tool at that position
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267 for (size_t i = 0; i < measureTools_.size(); ++i)
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268 {
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269 if (measureTools_[i]->HitTest(event.GetMainPosition()))
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270 {
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271 activeTracker_ = measureTools_[i]->CreateEditionTracker(event);
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272 return;
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273 }
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274 }
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275
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276 // No measure tool, create new tracker from the interactor
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277 activeTracker_.reset(interactor.CreateTracker(shared_from_this(), event, viewportWidth, viewportHeight));
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278 }
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279 }
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280
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281 bool ViewportController::HandleMouseMove(const PointerEvent& event)
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282 {
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283 if (activeTracker_)
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284 {
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285 activeTracker_->PointerMove(event);
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286 return true;
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287 }
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288 else
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289 {
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290 return false;
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291 }
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292 }
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293
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294 void ViewportController::HandleMouseRelease(const PointerEvent& event)
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295 {
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296 if (activeTracker_)
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297 {
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298 activeTracker_->PointerUp(event);
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299
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300 if (!activeTracker_->IsAlive())
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301 {
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302 activeTracker_.reset();
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303 }
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304 }
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305 }
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306 }