Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/LayerHolder.h @ 761:07adcffba38c

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truncation warning fixes + CRLF -> LF + random measuring tool creation (keyb shortcut: 'm')
author Benjamin Golinvaux <bgo@osimis.io>
date Thu, 23 May 2019 10:25:48 +0200
parents 712ff6ff3c19
children e42b491f1fb2
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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 #include "boost/noncopyable.hpp"
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26 namespace OrthancStone
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27 {
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28 class PolylineSceneLayer;
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29 class TextSceneLayer;
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30
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31 /**
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32 This class holds the indices of a set a layer and supplies
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33 getters to the concrete layer objects. Sounds very ad hoc, and it is.
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34 */
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35 class LayerHolder : public boost::noncopyable
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36 {
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37 public:
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38 /**
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39 This ctor merely stores the scene and layer counts. No layer creation
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40 performed at this time
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41 */
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42 LayerHolder(
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43 ViewportControllerWPtr controllerW,
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44 int polylineLayerCount, int textLayerCount);
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45
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46 /**
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47 This actually creates the layers
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48 */
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49 void CreateLayers();
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50
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51 /**
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52 This creates the layers if they are not created yet. Can be useful in
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53 some scenarios
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54 */
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55 void CreateLayersIfNeeded();
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56
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57 /**
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58 Whether the various text and polylines layers have all been created or
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59 none at all
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60 */
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61 bool AreLayersCreated() const;
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62
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63 /**
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64 This removes the layers from the scene
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65 */
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66 void DeleteLayers();
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67
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68 /**
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69 Please note that the returned pointer belongs to the scene.Don't you dare
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70 storing or deleting it, you fool!
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71
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72 This throws if the index is not valid or if the layers are not created or
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73 have been deleted
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74 */
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75 PolylineSceneLayer* GetPolylineLayer(int index = 0);
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76
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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 TextSceneLayer* GetTextLayer(int index = 0);
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85
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86 private:
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87 int GetPolylineLayerIndex(int index = 0);
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88 int GetTextLayerIndex(int index = 0);
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89 Scene2DPtr GetScene();
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90
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91 int textLayerCount_;
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92 int polylineLayerCount_;
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93 ViewportControllerWPtr controllerW_;
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94 int baseLayerIndex_;
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95 };
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96
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97 typedef boost::shared_ptr<LayerHolder> LayerHolderPtr;
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98 }
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99