annotate OrthancStone/Sources/Scene2D/OpenGLCompositor.h @ 1853:cbb5c4a66160

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 29 Jun 2021 16:29:37 +0200
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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) 2017-2021 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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23 #pragma once
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24
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25 #include "ICompositor.h"
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26 #include "Internals/CompositorHelper.h"
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27 #include "Internals/OpenGLColorTextureProgram.h"
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28 #include "Internals/OpenGLFloatTextureProgram.h"
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29 #include "Internals/OpenGLLinesProgram.h"
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30 #include "Internals/OpenGLTextProgram.h"
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32 namespace OrthancStone
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33 {
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34 class OpenGLCompositor : public ICompositor, private Internals::CompositorHelper::IRendererFactory
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35 {
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36 private:
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37 class Font;
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39 typedef std::map<size_t, Font*> Fonts;
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40
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41 OpenGL::IOpenGLContext& context_;
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42 Fonts fonts_;
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43 std::unique_ptr<Internals::CompositorHelper> helper_;
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44 Internals::OpenGLColorTextureProgram colorTextureProgram_;
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45 Internals::OpenGLFloatTextureProgram floatTextureProgram_;
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46 Internals::OpenGLLinesProgram linesProgram_;
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47 Internals::OpenGLTextProgram textProgram_;
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48 unsigned int canvasWidth_;
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49 unsigned int canvasHeight_;
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50
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51 const Font* GetFont(size_t fontIndex) const;
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52
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53 virtual Internals::CompositorHelper::ILayerRenderer* Create(const ISceneLayer& layer) ORTHANC_OVERRIDE;
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54
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55 public:
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56 explicit OpenGLCompositor(OpenGL::IOpenGLContext& context);
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58 virtual ~OpenGLCompositor();
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59
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60 virtual void Refresh(const Scene2D& scene) ORTHANC_OVERRIDE;
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61
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62 virtual void ResetScene() ORTHANC_OVERRIDE
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63 {
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64 helper_.reset(new Internals::CompositorHelper(*this));
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65 }
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67 void SetFont(size_t index, const GlyphBitmapAlphabet& dict);
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68
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69 #if ORTHANC_ENABLE_LOCALE == 1
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70 void SetFont(size_t index,
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71 const std::string& ttf,
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72 unsigned int fontSize,
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73 Orthanc::Encoding codepage) ORTHANC_OVERRIDE;
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74 #endif
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75
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76 virtual void SetCanvasSize(unsigned int canvasWidth,
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77 unsigned int canvasHeight) ORTHANC_OVERRIDE;
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78
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79 virtual unsigned int GetCanvasWidth() const ORTHANC_OVERRIDE
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80 {
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81 return canvasWidth_;
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82 }
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83
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84 virtual unsigned int GetCanvasHeight() const ORTHANC_OVERRIDE
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85 {
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86 return canvasHeight_;
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87 }
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88
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89 #if ORTHANC_ENABLE_LOCALE == 1
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90 virtual TextBoundingBox* ComputeTextBoundingBox(size_t fontIndex,
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91 const std::string& utf8) ORTHANC_OVERRIDE;
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92 #endif
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93 };
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94 }