Mercurial > hg > orthanc-stone

annotate Framework/Scene2D/Internals/CompositorHelper.h @ 879:12b591d5d63c am-dev

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some Qt integration (wip)
author Alain Mazy <alain@mazy.be>
date Fri, 05 Jul 2019 14:52:43 +0200
parents 266e2b0b9abc
children 80829436ce0c 6e888cf6a48b
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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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22 #pragma once
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24 #include "../Scene2D.h"
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26 #include <boost/noncopyable.hpp>
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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 namespace Internals
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33 {
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34 class CompositorHelper : protected Scene2D::IVisitor
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35 {
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36 public:
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37 class ILayerRenderer : public boost::noncopyable
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38 {
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39 public:
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40 virtual ~ILayerRenderer()
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41 {
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42 }
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44 virtual void Render(const AffineTransform2D& transform) = 0;
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45
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46 // "Update()" is only called if the type of the layer has not changed
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47 virtual void Update(const ISceneLayer& layer) = 0;
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48 };
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49
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50 class IRendererFactory : public boost::noncopyable
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51 {
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52 public:
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53 virtual ~IRendererFactory()
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54 {
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55 }
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56
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57 virtual ILayerRenderer* Create(const ISceneLayer& layer) = 0;
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58 };
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60 private:
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61 class Item;
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63 typedef std::map<int, Item*> Content;
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64
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65 const Scene2D& scene_;
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66 IRendererFactory& factory_;
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67 Content content_;
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68 AffineTransform2D sceneTransform_;
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70 protected:
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71 virtual void Visit(const ISceneLayer& layer,
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72 uint64_t layerIdentifier,
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73 int depth);
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74
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75 public:
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76 CompositorHelper(const Scene2D& scene,
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77 IRendererFactory& factory) :
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78 scene_(scene),
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79 factory_(factory)
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80 {
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81 }
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82
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83 ~CompositorHelper();
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84
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85 void Refresh(unsigned int canvasWidth,
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86 unsigned int canvasHeight);
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87 };
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88 }
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89 }