Mercurial > hg > orthanc-stone
annotate Framework/Scene2DViewport/CreateLineMeasureTracker.cpp @ 733:717eabfa749a
merge
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 21 May 2019 14:27:52 +0200 |
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children | 8e31b174ab26 |
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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 ViewportControllerWPtr controllerW, |
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31 const PointerEvent& e) |
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32 : CreateMeasureTracker(controllerW) |
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33 { |
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34 command_.reset( |
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35 new CreateLineMeasureCommand( |
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36 broker, |
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37 controllerW, |
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38 e.GetMainPosition().Apply(GetScene()->GetCanvasToSceneTransform()))); |
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39 } |
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40 |
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41 CreateLineMeasureTracker::~CreateLineMeasureTracker() |
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42 { |
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43 |
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44 } |
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45 |
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46 void CreateLineMeasureTracker::PointerMove(const PointerEvent& event) |
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47 { |
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48 assert(GetScene()); |
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49 |
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50 if (!alive_) |
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51 { |
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52 throw OrthancException(ErrorCode_InternalError, |
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53 "Internal error: wrong state in CreateLineMeasureTracker::" |
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54 "PointerMove: active_ == false"); |
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55 } |
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56 |
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57 ScenePoint2D scenePos = event.GetMainPosition().Apply( |
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58 GetScene()->GetCanvasToSceneTransform()); |
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59 |
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60 //LOG(TRACE) << "scenePos.GetX() = " << scenePos.GetX() << " " << |
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61 // "scenePos.GetY() = " << scenePos.GetY(); |
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62 |
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63 CreateLineMeasureTracker* concreteThis = |
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64 dynamic_cast<CreateLineMeasureTracker*>(this); |
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65 assert(concreteThis != NULL); |
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66 GetCommand()->SetEnd(scenePos); |
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67 } |
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68 |
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69 void CreateLineMeasureTracker::PointerUp(const PointerEvent& e) |
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70 { |
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71 // TODO: the current app does not prevent multiple PointerDown AND |
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72 // PointerUp to be sent to the tracker. |
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73 // Unless we augment the PointerEvent structure with the button index, |
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74 // we cannot really tell if this pointer up event matches the initial |
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75 // pointer down event. Let's make it simple for now. |
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76 alive_ = false; |
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77 } |
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78 |
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79 void CreateLineMeasureTracker::PointerDown(const PointerEvent& e) |
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80 { |
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81 LOG(WARNING) << "Additional touches (fingers, pen, mouse buttons...) " |
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82 "are ignored when the line measure creation tracker is active"; |
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83 } |
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84 |
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85 CreateLineMeasureCommandPtr CreateLineMeasureTracker::GetCommand() |
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86 { |
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87 return boost::dynamic_pointer_cast<CreateLineMeasureCommand>(command_); |
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88 } |
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89 |
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90 } |