Mercurial > hg > orthanc-stone

annotate OrthancStone/Sources/Viewport/DefaultViewportInteractor.cpp @ 2124:16c01cc201e7

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updated copyright, as Osimis is not active on Orthanc anymore
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 30 May 2024 17:00:29 +0200
parents c23eef785569
children
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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) 2017-2023 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2024 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 "DefaultViewportInteractor.h"
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24
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25 #include "../Scene2D/GrayscaleWindowingSceneTracker.h"
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26 #include "../Scene2D/MagnifyingGlassTracker.h"
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27 #include "../Scene2D/PanSceneTracker.h"
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28 #include "../Scene2D/RotateSceneTracker.h"
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29 #include "../Scene2D/ZoomSceneTracker.h"
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30 #include "../Scene2DViewport/ViewportController.h"
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31
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32 #include <OrthancException.h>
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33
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34 namespace OrthancStone
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35 {
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36 IFlexiblePointerTracker* DefaultViewportInteractor::CreateTrackerInternal(
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37 boost::weak_ptr<IViewport> viewport,
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38 MouseAction action,
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39 const PointerEvent& event,
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40 unsigned int viewportWidth,
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41 unsigned int viewportHeight)
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42 {
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43 switch (action)
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44 {
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45 case MouseAction_None:
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46 return NULL;
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47
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48 case MouseAction_Rotate:
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49 return new RotateSceneTracker(viewport, event);
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50
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51 case MouseAction_GrayscaleWindowing:
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52 {
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53 boost::shared_ptr<IViewport> v(viewport.lock());
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54 if (v == NULL)
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55 {
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56 return NULL;
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57 }
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58 else
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59 {
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60 std::unique_ptr<IViewport::ILock> lock(v->Lock());
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61 if (lock->GetController().GetScene().HasLayer(windowingLayer_) &&
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62 lock->GetController().GetScene().GetLayer(windowingLayer_).GetType() == ISceneLayer::Type_FloatTexture)
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63 {
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64 return new GrayscaleWindowingSceneTracker(
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65 viewport, windowingLayer_, event, viewportWidth, viewportHeight);
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66 }
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67 else
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68 {
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69 // Don't create the tracker if the layer is not a float texture
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70 return NULL;
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71 }
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72 }
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73 }
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74
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75 case MouseAction_Pan:
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76 return new PanSceneTracker(viewport, event);
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77
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78 case MouseAction_Zoom:
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79 return new ZoomSceneTracker(viewport, event, viewportHeight);
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80
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81 case MouseAction_MagnifyingGlass:
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82 return new MagnifyingGlassTracker(viewport, event);
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83
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84 default:
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85 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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86 }
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87 }
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88
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89
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90 IFlexiblePointerTracker* DefaultViewportInteractor::CreateTracker(
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91 boost::weak_ptr<IViewport> viewport,
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92 const PointerEvent& event,
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93 unsigned int viewportWidth,
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94 unsigned int viewportHeight)
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95 {
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96 MouseAction action;
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97
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98 switch (event.GetMouseButton())
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99 {
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100 case MouseButton_Left:
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101 action = leftButtonAction_;
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102 break;
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103
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104 case MouseButton_Middle:
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105 action = middleButtonAction_;
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106 break;
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107
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108 case MouseButton_Right:
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109 action = rightButtonAction_;
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110 break;
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111
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112 default:
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113 return NULL;
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114 }
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115
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116 return CreateTrackerInternal(viewport, action, event, viewportWidth, viewportHeight);
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117 }
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118
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119
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120 void DefaultViewportInteractor::HandleMouseHover(IViewport& viewport,
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121 const PointerEvent& event)
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122 {
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123 // "HasMouseOver()" returns "false"
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124 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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125 }
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126 }