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annotate OrthancStone/Sources/Scene2D/MacroSceneLayer.cpp @ 1609:5f5c549499ff

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new class MacroSceneLayer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 29 Oct 2020 17:01:29 +0100
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children b7630b1a0253
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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
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23 #include "MacroSceneLayer.h"
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24
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25 #include <OrthancException.h>
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26
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27 namespace OrthancStone
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28 {
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29 void MacroSceneLayer::Clear()
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30 {
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31 for (size_t i = 0; i < layers_.size(); i++)
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32 {
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33 assert(layers_[i] != NULL);
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34 delete layers_[i];
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35 }
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36
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37 layers_.clear();
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38 BumpRevision();
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39 }
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40
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41
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42 void MacroSceneLayer::AddLayer(ISceneLayer* layer)
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43 {
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44 if (layer == NULL)
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45 {
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46 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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47 }
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48 else
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49 {
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50 layers_.push_back(layer);
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51 BumpRevision();
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52 }
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53 }
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55
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56 ISceneLayer* MacroSceneLayer::Clone() const
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57 {
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58 std::unique_ptr<MacroSceneLayer> copy(new MacroSceneLayer);
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59
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60 copy->Reserve(layers_.size());
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61
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62 for (size_t i = 0; i < layers_.size(); i++)
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63 {
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64 assert(layers_[i] != NULL);
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65 copy->layers_.push_back(layers_[i]->Clone());
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66 }
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67
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68 return copy.release();
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69 }
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71
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72 bool MacroSceneLayer::GetBoundingBox(Extent2D& target) const
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73 {
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74 target.Reset();
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75
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76 for (size_t i = 0; i < layers_.size(); i++)
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77 {
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78 assert(layers_[i] != NULL);
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79
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80 Extent2D subextent;
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81 if (layers_[i]->GetBoundingBox(subextent))
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82 {
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83 target.Union(subextent);
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84 }
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85 }
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86
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87 return true;
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88 }
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89 }