Mercurial > hg > orthanc-stone
annotate Framework/Scene2DViewport/MeasureTools.h @ 698:8b6adfb62a2f refactor-viewport-controller
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author | Benjamin Golinvaux <bgo@osimis.io> |
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date | Wed, 15 May 2019 16:56:17 +0200 |
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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 #pragma once |
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22 |
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23 #include <Framework/Scene2DViewport/PointerTypes.h> |
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24 |
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25 #include <Framework/Scene2D/Scene2D.h> |
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26 #include <Framework/Scene2D/ScenePoint2D.h> |
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27 #include <Framework/Scene2D/PolylineSceneLayer.h> |
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28 #include <Framework/Scene2D/TextSceneLayer.h> |
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29 |
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30 #include <boost/shared_ptr.hpp> |
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31 #include <boost/weak_ptr.hpp> |
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32 |
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33 #include <vector> |
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34 #include <cmath> |
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35 |
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36 namespace OrthancStone |
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37 { |
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38 class MeasureTool : public IObserver |
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39 { |
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40 public: |
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41 virtual ~MeasureTool(); |
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42 |
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43 /** |
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44 Enabled tools are rendered in the scene. |
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45 */ |
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46 void Enable(); |
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47 |
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48 /** |
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49 Disabled tools are not rendered in the scene. This is useful to be able |
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50 to use them as their own memento in command stacks (when a measure tool |
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51 creation command has been undone, the measure remains alive in the |
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52 command object but is disabled so that it can be redone later on easily) |
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53 */ |
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54 void Disable(); |
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55 |
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56 /** |
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57 This method is called when the scene transform changes. It allows to |
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58 recompute the visual elements whose content depend upon the scene transform |
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59 */ |
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60 void OnSceneTransformChanged(const Scene2D::SceneTransformChanged& message); |
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61 |
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62 protected: |
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63 MeasureTool(MessageBroker& broker, Scene2DWPtr sceneW); |
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64 |
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65 /** |
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66 This is the meat of the tool: this method must [create (if needed) and] |
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67 update the layers and their data according to the measure tool kind and |
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68 current state. This is repeatedly called during user interaction |
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69 */ |
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70 virtual void RefreshScene() = 0; |
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71 |
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72 Scene2DPtr GetScene(); |
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73 |
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74 /** |
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75 enabled_ is not accessible by subclasses because there is a state machine |
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76 that we do not wanna mess with |
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77 */ |
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78 bool IsEnabled() const; |
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79 |
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80 private: |
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81 Scene2DWPtr scene_; |
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82 bool enabled_; |
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83 }; |
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84 } |
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85 |
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86 |
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87 extern void TrackerSample_SetInfoDisplayMessage( |
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88 std::string key, std::string value); |