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annotate OrthancStone/Sources/Scene2DViewport/LayerHolder.h @ 1599:73cd85d7da6a

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SortedFrames::LookupSopInstanceUid()
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 28 Oct 2020 10:55:45 +0100
parents 8563ea5d8ae4
children 874e178f34e9
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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 "PredeclaredTypes.h"
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25
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26 #include <boost/noncopyable.hpp>
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27 #include <boost/weak_ptr.hpp>
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28 #include <boost/shared_ptr.hpp>
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29
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30 namespace OrthancStone
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31 {
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32 class PolylineSceneLayer;
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33 class TextSceneLayer;
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34
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35 /**
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36 This class holds the indices of a set a layer and supplies
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37 getters to the concrete layer objects. Sounds very ad hoc, and it is.
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38 */
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39 class LayerHolder : public boost::noncopyable
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40 {
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41 public:
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42 /**
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43 This ctor merely stores the scene and layer counts. No layer creation
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44 performed at this time
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45 */
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46 LayerHolder(
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47 boost::shared_ptr<IViewport> viewport,
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48 int polylineLayerCount, int textLayerCount, int infoTextCount = 0);
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50 /**
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51 This actually creates the layers
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52 */
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53 void CreateLayers();
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54
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55 /**
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56 This creates the layers if they are not created yet. Can be useful in
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57 some scenarios
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58 */
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59 void CreateLayersIfNeeded();
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60
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61 /**
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62 Whether the various text and polylines layers have all been created or
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63 none at all
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64 */
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65 bool AreLayersCreated() const;
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66
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67 /**
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68 This removes the layers from the scene
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69 */
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70 void DeleteLayers();
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71
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72 /**
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73 This removes the layers from the scene if they are already created
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74 */
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75 void DeleteLayersIfNeeded();
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77 /**
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78 Please note that the returned pointer belongs to the scene.Don't you dare
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79 storing or deleting it, you fool!
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80
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81 This throws if the index is not valid or if the layers are not created or
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82 have been deleted
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83 */
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84 PolylineSceneLayer* GetPolylineLayer(int index = 0);
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85
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86 /**
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87 Please note that the returned pointer belongs to the scene. Don't you dare
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88 storing or deleting it, you fool!
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89
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90 This throws if the index is not valid or if the layers are not created or
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91 have been deleted
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92 */
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93 TextSceneLayer* GetTextLayer(int index = 0);
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94
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95 //TextSceneLayer* GetTextLayer(int index = 0);
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96
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97 private:
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98 int GetPolylineLayerIndex(int index = 0);
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99 int GetTextLayerIndex(int index = 0);
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100 int GetInfoTextLayerIndex(int index = 0);
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101
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102 int textLayerCount_;
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103 int polylineLayerCount_;
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104 int infoTextCount_;
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105 boost::shared_ptr<IViewport> viewport_;
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106 int baseLayerIndex_;
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107 };
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108 }
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109