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annotate OrthancStone/Sources/Scene2DViewport/CreateLineMeasureTracker.cpp @ 1598:8563ea5d8ae4

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relicensing some files, cf. osimis bm26 and chu agreement on 2020-05-20
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 26 Oct 2020 20:49:28 +0100
parents 92fca2b3ba3d
children 874e178f34e9
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Lesser General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Lesser General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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21
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22 #include "CreateLineMeasureTracker.h"
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23 #include "CreateLineMeasureCommand.h"
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24
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25 #include <OrthancException.h>
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27 namespace OrthancStone
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28 {
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29 CreateLineMeasureTracker::CreateLineMeasureTracker(
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30 boost::shared_ptr<IViewport> viewport,
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31 const PointerEvent& e)
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32 : CreateMeasureTracker(viewport)
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33 {
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34 ScenePoint2D point;
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35
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36 {
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37 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock());
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38 ViewportController& controller = lock->GetController();
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39 point = e.GetMainPosition().Apply(controller.GetScene().GetCanvasToSceneTransform());
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40 }
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41
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42 command_.reset(new CreateLineMeasureCommand(viewport, point));
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43 }
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44
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45 CreateLineMeasureTracker::~CreateLineMeasureTracker()
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46 {
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47
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48 }
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50 void CreateLineMeasureTracker::PointerMove(const PointerEvent& event)
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51 {
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52 if (!alive_)
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53 {
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54 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError,
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55 "Internal error: wrong state in CreateLineMeasureTracker::"
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56 "PointerMove: active_ == false");
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57 }
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58
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59 std::unique_ptr<IViewport::ILock> lock(viewport_->Lock());
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60 ViewportController& controller = lock->GetController();
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61
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62 ScenePoint2D scenePos = event.GetMainPosition().Apply(
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63 controller.GetScene().GetCanvasToSceneTransform());
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64
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65 //LOG(TRACE) << "scenePos.GetX() = " << scenePos.GetX() << " " <<
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66 // "scenePos.GetY() = " << scenePos.GetY();
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67
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68 /*CreateLineMeasureTracker* concreteThis =
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69 dynamic_cast<CreateLineMeasureTracker*>(this);
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70 assert(concreteThis != NULL);*/
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71
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72 GetCommand()->SetEnd(scenePos);
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73 }
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74
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75 void CreateLineMeasureTracker::PointerUp(const PointerEvent& e)
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76 {
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77 // TODO: the current app does not prevent multiple PointerDown AND
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78 // PointerUp to be sent to the tracker.
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79 // Unless we augment the PointerEvent structure with the button index,
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80 // we cannot really tell if this pointer up event matches the initial
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81 // pointer down event. Let's make it simple for now.
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82 alive_ = false;
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83 }
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84
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85 void CreateLineMeasureTracker::PointerDown(const PointerEvent& e)
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86 {
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87 LOG(WARNING) << "Additional touches (fingers, pen, mouse buttons...) "
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88 "are ignored when the line measure creation tracker is active";
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89 }
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91 boost::shared_ptr<CreateLineMeasureCommand> CreateLineMeasureTracker::GetCommand()
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92 {
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93 return boost::dynamic_pointer_cast<CreateLineMeasureCommand>(command_);
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94 }
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95 }