Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/EditLineMeasureTracker.cpp @ 1203:f3bb9a6dd949 broker

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locking abstraction in IViewport
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 29 Nov 2019 21:22:21 +0100
parents e713f1a99861
children 86a8266b8888
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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 "EditLineMeasureTracker.h"
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22 #include "EditLineMeasureCommand.h"
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23
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24 #include "../StoneException.h"
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25
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27 namespace OrthancStone
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28 {
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29 EditLineMeasureTracker::EditLineMeasureTracker(
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30 boost::shared_ptr<MeasureTool> measureTool,
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31 boost::weak_ptr<ViewportController> controllerW,
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32 const PointerEvent& e)
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33 : EditMeasureTracker(controllerW, e)
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34 {
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35 ScenePoint2D scenePos = e.GetMainPosition();
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36
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37 {
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38 boost::shared_ptr<ViewportController> controller = controllerW.lock();
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39 if (controller)
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40 {
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41 std::auto_ptr<IViewport::ILock> lock(controller->GetViewport().Lock());
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42 scenePos = e.GetMainPosition().Apply(lock->GetScene().GetCanvasToSceneTransform());
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43 }
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44 }
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46 modifiedZone_ = dynamic_cast<LineMeasureTool&>(*measureTool).LineHitTest(scenePos);
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47
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48 command_.reset(new EditLineMeasureCommand(measureTool, controllerW));
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49 }
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51 EditLineMeasureTracker::~EditLineMeasureTracker()
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52 {
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54 }
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55
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56 void EditLineMeasureTracker::PointerMove(const PointerEvent& e)
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57 {
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58 boost::shared_ptr<ViewportController> controller = controllerW_.lock();
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59 if (controller)
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60 {
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61 std::auto_ptr<IViewport::ILock> lock(controller->GetViewport().Lock());
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62 ScenePoint2D scenePos = e.GetMainPosition().Apply(
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63 lock->GetScene().GetCanvasToSceneTransform());
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64
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65 ScenePoint2D delta = scenePos - GetOriginalClickPosition();
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66
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67 boost::shared_ptr<LineMeasureToolMemento> memento =
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68 boost::dynamic_pointer_cast<LineMeasureToolMemento>(command_->mementoOriginal_);
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69
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70 ORTHANC_ASSERT(memento.get() != NULL);
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72 switch (modifiedZone_)
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73 {
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74 case LineMeasureTool::LineHighlightArea_Start:
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75 {
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76 ScenePoint2D newStart = memento->start_ + delta;
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77 GetCommand()->SetStart(newStart);
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78 }
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79 break;
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80 case LineMeasureTool::LineHighlightArea_End:
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81 {
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82 ScenePoint2D newEnd = memento->end_ + delta;
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83 GetCommand()->SetEnd(newEnd);
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84 }
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85 break;
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86 case LineMeasureTool::LineHighlightArea_Segment:
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87 {
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88 ScenePoint2D newStart = memento->start_ + delta;
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89 ScenePoint2D newEnd = memento->end_ + delta;
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90 GetCommand()->SetStart(newStart);
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91 GetCommand()->SetEnd(newEnd);
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92 }
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93 break;
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94 default:
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95 LOG(WARNING) << "Warning: please retry the measuring tool editing operation!";
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96 break;
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97 }
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98 }
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99 }
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100
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101 void EditLineMeasureTracker::PointerUp(const PointerEvent& e)
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102 {
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103 alive_ = false;
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104 }
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105
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106 void EditLineMeasureTracker::PointerDown(const PointerEvent& e)
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107 {
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108 LOG(WARNING) << "Additional touches (fingers, pen, mouse buttons...) "
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109 "are ignored when the edit line tracker is active";
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110 }
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111
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112 boost::shared_ptr<EditLineMeasureCommand> EditLineMeasureTracker::GetCommand()
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113 {
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114 boost::shared_ptr<EditLineMeasureCommand> ret = boost::dynamic_pointer_cast<EditLineMeasureCommand>(command_);
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115 ORTHANC_ASSERT(ret.get() != NULL, "Internal error in EditLineMeasureTracker::GetCommand()");
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116 return ret;
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117 }
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118
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119 }