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annotate OrthancStone/Sources/Viewport/DefaultViewportInteractor.h @ 1790:b325761e0bd3

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angle measure and undo/redo in sdl simple viewer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 17 May 2021 13:57:25 +0200
parents 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) 2017-2021 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 "IViewportInteractor.h"
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25
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26 #include <Compatibility.h> // For ORTHANC_OVERRIDE
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27
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28 namespace OrthancStone
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29 {
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30 class DefaultViewportInteractor : public IViewportInteractor
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31 {
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32 private:
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33 // Index of the layer whose windowing is altered by grayscale windowing action
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34 int windowingLayer_;
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35 MouseAction leftButtonAction_;
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36 MouseAction middleButtonAction_;
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37 MouseAction rightButtonAction_;
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38
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39 IFlexiblePointerTracker* CreateTrackerInternal(boost::weak_ptr<IViewport> viewport,
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40 MouseAction action,
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41 const PointerEvent& event,
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42 unsigned int viewportWidth,
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43 unsigned int viewportHeight);
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44
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45 public:
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46 DefaultViewportInteractor() :
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47 windowingLayer_(0),
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48 leftButtonAction_(MouseAction_GrayscaleWindowing),
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49 middleButtonAction_(MouseAction_Pan),
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50 rightButtonAction_(MouseAction_Zoom)
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51 {
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52 }
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53
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54 int GetWindowingLayer() const
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55 {
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56 return windowingLayer_;
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57 }
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58
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59 void SetWindowingLayer(int layerIndex)
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60 {
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61 windowingLayer_ = layerIndex;
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62 }
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63
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64 MouseAction GetLeftButtonAction() const
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65 {
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66 return leftButtonAction_;
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67 }
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68
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69 void SetLeftButtonAction(MouseAction action)
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70 {
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71 leftButtonAction_ = action;
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72 }
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73
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74 MouseAction GetMiddleButtonAction() const
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75 {
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76 return middleButtonAction_;
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77 }
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78
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79 void SetMiddleButtonAction(MouseAction action)
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80 {
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81 middleButtonAction_ = action;
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82 }
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83
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84 MouseAction GetRightButtonAction() const
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85 {
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86 return rightButtonAction_;
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87 }
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88
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89 void SetRightButtonAction(MouseAction action)
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90 {
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91 rightButtonAction_ = action;
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92 }
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93
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94 virtual IFlexiblePointerTracker* CreateTracker(boost::weak_ptr<IViewport> viewport,
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95 const PointerEvent& event,
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96 unsigned int viewportWidth,
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97 unsigned int viewportHeight) ORTHANC_OVERRIDE;
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98 };
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99 }