Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/Scene2DViewport/MeasureTrackers.h @ 1606:874e178f34e9

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- ViewportController now has weak ptr to Viewport - Measuring tools + related commands and all trackers now store only a weak_ptr to the Viewport and lock() on demand for usage - LayerHolder and FixedPoint aligner store only a weak_ptr to the Viewport, too - Fixed float/double warning in GrayscaleWindowingSceneTracker
author Benjamin Golinvaux <bgo@osimis.io>
date Wed, 28 Oct 2020 20:14:34 +0100
parents 8563ea5d8ae4
children 9ac2a65d4172
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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 #pragma once
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23
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24 #include "IFlexiblePointerTracker.h"
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25 #include "../Scene2D/Scene2D.h"
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26 #include "../Scene2D/PointerEvent.h"
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27
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28 #include "MeasureTool.h"
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29 #include "MeasureCommands.h"
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30
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31 #include <boost/shared_ptr.hpp>
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32 #include <boost/weak_ptr.hpp>
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33
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34 #include <vector>
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35
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36 namespace OrthancStone
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37 {
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38 class CreateMeasureTracker : public IFlexiblePointerTracker
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39 {
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40 private:
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41 bool commitResult_;
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42
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43 protected:
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44 boost::shared_ptr<CreateMeasureCommand> command_;
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45 boost::weak_ptr<IViewport> viewport_;
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46 bool alive_;
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47
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48 /**
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49 This will return a scoped lock to the viewport.
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50 If the viewport does not exist anymore, then nullptr is returned.
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51 */
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52 IViewport::ILock* GetViewportLock();
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53
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54 explicit CreateMeasureTracker(boost::weak_ptr<IViewport> viewport);
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55
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56 virtual ~CreateMeasureTracker();
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57
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58 public:
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59 virtual void Cancel() ORTHANC_OVERRIDE;
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60
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61 virtual bool IsAlive() const ORTHANC_OVERRIDE;
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62 };
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65 class EditMeasureTracker : public IFlexiblePointerTracker
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66 {
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67 private:
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68 ScenePoint2D originalClickPosition_;
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69 bool commitResult_;
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71 protected:
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72 boost::shared_ptr<EditMeasureCommand> command_;
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73 boost::weak_ptr<IViewport> viewport_;
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74 bool alive_;
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75
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76 /**
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77 This will return a scoped lock to the viewport.
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78 If the viewport does not exist anymore, then nullptr is returned.
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79 */
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80 IViewport::ILock* GetViewportLock();
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81
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82 EditMeasureTracker(boost::weak_ptr<IViewport> viewport,
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83 const PointerEvent& e);
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85 ~EditMeasureTracker();
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86
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87 ScenePoint2D GetOriginalClickPosition() const
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88 {
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89 return originalClickPosition_;
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90 }
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92 public:
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93 virtual void Cancel() ORTHANC_OVERRIDE;
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94
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95 virtual bool IsAlive() const ORTHANC_OVERRIDE;
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96 };
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97 }
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98