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582
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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
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22 #pragma once
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23
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24 #include "ISceneLayer.h"
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25 #include "../Toolbox/AffineTransform2D.h"
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26
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27 #include <map>
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28
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29 namespace OrthancStone
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30 {
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31 class Scene2D : public boost::noncopyable
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32 {
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33 public:
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34 class IVisitor : public boost::noncopyable
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35 {
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36 public:
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37 virtual ~IVisitor()
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38 {
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39 }
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40
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41 virtual void Visit(const ISceneLayer& layer,
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42 int depth) = 0;
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43 };
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44
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45 private:
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46 typedef std::map<int, ISceneLayer*> Content;
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47
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48 Content content_;
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49
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50 AffineTransform2D sceneToCanvas_;
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51 AffineTransform2D canvasToScene_;
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52
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53 Scene2D(const Scene2D& other);
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54
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55 public:
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56 Scene2D()
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57 {
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58 }
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59
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60 ~Scene2D();
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61
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62 Scene2D* Clone() const
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63 {
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64 return new Scene2D(*this);
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65 }
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66
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67 void SetLayer(int depth,
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68 ISceneLayer* layer); // Takes ownership
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69
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70 void DeleteLayer(int depth);
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71
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72 void Apply(IVisitor& visitor);
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73
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74 const AffineTransform2D& GetSceneToCanvasTransform() const
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75 {
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76 return sceneToCanvas_;
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77 }
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78
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79 const AffineTransform2D& GetCanvasToSceneTransform() const
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80 {
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81 return canvasToScene_;
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82 }
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83
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84 void SetSceneToCanvasTransform(const AffineTransform2D& transform);
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85
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86 void FitContent(unsigned int canvasWidth,
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87 unsigned int canvasHeight);
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88 };
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89 }
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