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annotate Framework/Scene2D/Internals/CompositorHelper.h @ 848:80829436ce0c am-mainline

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starting to re-implement radiography editor with latest framework
author Alain Mazy <alain@mazy.be>
date Thu, 13 Jun 2019 16:47:02 +0200
parents 266e2b0b9abc
children 6176917ef890
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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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22 #pragma once
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23
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24 #include "../Scene2D.h"
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25 #include "../ScenePoint2D.h"
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26 #include <boost/noncopyable.hpp>
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27
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28 #include <map>
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29
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30 namespace OrthancStone
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31 {
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32 class ICompositor
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33 {
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34 public:
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35 virtual unsigned int GetWidth() const = 0;
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36 virtual unsigned int GetHeight() const = 0;
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37 virtual void Refresh() = 0;
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38
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39 ScenePoint2D GetPixelCenterCoordinates(int x, int y) const
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40 {
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41 return ScenePoint2D(
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42 static_cast<double>(x) + 0.5 - static_cast<double>(GetWidth()) / 2.0,
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43 static_cast<double>(y) + 0.5 - static_cast<double>(GetHeight()) / 2.0);
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44 }
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45
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46 };
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47
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48 namespace Internals
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49 {
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50 class CompositorHelper : protected Scene2D::IVisitor
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51 {
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52 public:
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53 class ILayerRenderer : public boost::noncopyable
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54 {
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55 public:
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56 virtual ~ILayerRenderer()
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57 {
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58 }
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59
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60 virtual void Render(const AffineTransform2D& transform) = 0;
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61
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62 // "Update()" is only called if the type of the layer has not changed
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63 virtual void Update(const ISceneLayer& layer) = 0;
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64 };
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65
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66 class IRendererFactory : public boost::noncopyable
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67 {
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68 public:
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69 virtual ~IRendererFactory()
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70 {
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71 }
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72
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73 virtual ILayerRenderer* Create(const ISceneLayer& layer) = 0;
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74 };
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76 private:
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77 class Item;
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78
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79 typedef std::map<int, Item*> Content;
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80
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81 const Scene2D& scene_;
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82 IRendererFactory& factory_;
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83 Content content_;
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84 AffineTransform2D sceneTransform_;
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85
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86 protected:
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87 virtual void Visit(const ISceneLayer& layer,
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88 uint64_t layerIdentifier,
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89 int depth);
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90
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91 public:
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92 CompositorHelper(const Scene2D& scene,
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93 IRendererFactory& factory) :
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94 scene_(scene),
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95 factory_(factory)
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96 {
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97 }
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98
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99 ~CompositorHelper();
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100
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101 void Refresh(unsigned int canvasWidth,
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102 unsigned int canvasHeight);
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103 };
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104 }
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105 }