Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/CreateLineMeasureTracker.cpp @ 698:8b6adfb62a2f refactor-viewport-controller

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Code is broken -- stashing ongoing work in a branch
author Benjamin Golinvaux <bgo@osimis.io>
date Wed, 15 May 2019 16:56:17 +0200
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children 059e1fd05fd6
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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 "CreateLineMeasureTracker.h"
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22 #include <Core/OrthancException.h>
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23
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24 using namespace Orthanc;
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25
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26 namespace OrthancStone
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27 {
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28 CreateLineMeasureTracker::CreateLineMeasureTracker(
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29 MessageBroker& broker,
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30 Scene2DWPtr sceneW,
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31 std::vector<TrackerCommandPtr>& undoStack,
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32 MeasureToolList& measureTools,
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33 const PointerEvent& e)
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34 : CreateMeasureTracker(sceneW, undoStack, measureTools)
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35 {
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36 Scene2DPtr scene = sceneW.lock();
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37 command_.reset(
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38 new CreateLineMeasureCommand(
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39 broker,
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40 sceneW,
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41 measureTools,
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42 e.GetMainPosition().Apply(scene->GetCanvasToSceneTransform())));
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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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49
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50 void CreateLineMeasureTracker::PointerMove(const PointerEvent& event)
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51 {
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52 Scene2DPtr scene = scene_.lock();
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53 assert(scene);
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54
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55 if (!active_)
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56 {
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57 throw OrthancException(ErrorCode_InternalError,
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58 "Internal error: wrong state in CreateLineMeasureTracker::"
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59 "PointerMove: active_ == false");
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60 }
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61
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62 ScenePoint2D scenePos = event.GetMainPosition().Apply(
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63 scene->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 GetCommand()->SetEnd(scenePos);
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72 }
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73
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74 void CreateLineMeasureTracker::PointerUp(const PointerEvent& e)
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75 {
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76 // TODO: the current app does not prevent multiple PointerDown AND
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77 // PointerUp to be sent to the tracker.
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78 // Unless we augment the PointerEvent structure with the button index,
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79 // we cannot really tell if this pointer up event matches the initial
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80 // pointer down event. Let's make it simple for now.
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81 active_ = false;
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82 }
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83
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84 void CreateLineMeasureTracker::PointerDown(const PointerEvent& e)
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85 {
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86 LOG(WARNING) << "Additional touches (fingers, pen, mouse buttons...) "
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87 "are ignored when the line measure creation tracker is active";
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88 }
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89
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90 CreateLineMeasureCommandPtr CreateLineMeasureTracker::GetCommand()
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91 {
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92 return boost::dynamic_pointer_cast<CreateLineMeasureCommand>(command_);
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93 }
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94
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95 }