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annotate Framework/Scene2DViewport/ViewportController.h @ 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 #pragma once
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22
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23 #include "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/PointerEvent.h>
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27 #include <Framework/Scene2DViewport/MeasureTools.h>
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28 #include <Framework/Scene2DViewport/IFlexiblePointerTracker.h>
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29
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30 namespace OrthancStone
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31 {
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32 /**
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33 This object is responsible for hosting a scene, responding to messages from
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34 the model and updating the scene accordingly.
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35
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36 It contains the list of active measuring tools as well as the stack
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37 where measuring tool commands are stored.
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38
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39 The active tracker is also stored in the viewport controller.
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40
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41 Each canvas or other GUI area where we want to display a 2D image, either
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42 directly or through slicing must be assigned a ViewportController.
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43 */
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44 class ViewportController : public boost::noncopyable
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45 {
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46 public:
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47 ViewportController(MessageBroker& broker);
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48
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49 Scene2DPtr GetScene();
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50
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51 /**
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52 This method is called by the GUI system and should update/delete the
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53 current tracker
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54 */
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55 bool HandlePointerEvent(PointerEvent e);
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56
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57 /**
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58 This method returns the list of measure tools containing the supplied point
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59 (in scene coords). A tracker can then be requested from the chosen
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60 measure tool, if needed
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61 */
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62 std::vector<MeasureToolPtr> HitTestMeasureTools(ScenePoint2D p);
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63
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64 /**
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65 With this method, the object takes ownership of the supplied tracker and
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66 updates it according to user interaction
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67 */
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68 void SetActiveTracker(FlexiblePointerTrackerPtr tracker);
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69
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70 private:
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71 MessageBroker& broker_;
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72 Scene2DWPtr scene_;
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73 FlexiblePointerTrackerPtr tracker_;
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74 };
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75 }