Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/Scene2DViewport/MeasureTool.cpp @ 1870:3889ae96d2e9

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added copyright UCLouvain
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 11 Jan 2022 11:04:09 +0100
parents 462d7a0e064e
children 7053b8a0aaec
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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) 2017-2021 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2021 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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22
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23 #include "MeasureTool.h"
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24
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25 #include <Logging.h>
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26 #include <Enumerations.h>
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27 #include <OrthancException.h>
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28
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29 #include <boost/shared_ptr.hpp>
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30 #include <boost/math/constants/constants.hpp>
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31
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32 #include "../Viewport/IViewport.h"
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33
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34 namespace OrthancStone
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35 {
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36 void MeasureTool::Enable()
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37 {
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38 enabled_ = true;
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39 RefreshScene();
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40 }
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41
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42 void MeasureTool::Disable()
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43 {
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44 enabled_ = false;
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45 RefreshScene();
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46 }
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47
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48 bool MeasureTool::IsEnabled() const
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49 {
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50 return enabled_;
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51 }
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52
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53 IViewport::ILock* MeasureTool::GetViewportLock()
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54 {
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55 boost::shared_ptr<IViewport> viewport = viewport_.lock();
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56 if (viewport)
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57 return viewport->Lock();
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58 else
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59 return NULL;
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60 }
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61
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62 IViewport::ILock* MeasureTool::GetViewportLock() const
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63 {
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64 boost::shared_ptr<IViewport> viewport = viewport_.lock();
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65 if (viewport)
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66 return viewport->Lock();
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67 else
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68 return NULL;
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69 }
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70
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71 MeasureTool::MeasureTool(boost::weak_ptr<IViewport> viewport) :
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72 enabled_(true),
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73 viewport_(viewport)
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74 {
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75 }
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76
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77 void MeasureTool::PostConstructor()
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78 {
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79 std::unique_ptr<IViewport::ILock> lock(GetViewportLock());
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80
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81 if (lock.get() != NULL)
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82 {
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83 Register<ViewportController::SceneTransformChanged>(
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84 lock->GetController(),
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85 &MeasureTool::OnSceneTransformChanged);
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86 }
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87 }
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88
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89 bool MeasureTool::IsSceneAlive() const
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90 {
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91 // since the lifetimes of the viewport, viewportcontroller (and the
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92 // measuring tools inside it) are linked, the scene is alive as
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93 // long as the viewport is alive (which is technically not the case
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94 // during its dtor)
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95 std::unique_ptr<IViewport::ILock> lock(GetViewportLock());
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96 return (lock != NULL);
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97 }
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98
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99 void MeasureTool::OnSceneTransformChanged(
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100 const ViewportController::SceneTransformChanged& message)
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101 {
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102 RefreshScene();
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103 }
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104 }