annotate OrthancStone/Sources/Scene2D/OpenGLCompositor.h @ 1576:92fca2b3ba3d

sanitizing the handling of canvas size
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 24 Sep 2020 16:40:30 +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) 2017-2020 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 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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24 #include "ICompositor.h"
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25 #include "Internals/CompositorHelper.h"
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26 #include "Internals/OpenGLColorTextureProgram.h"
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27 #include "Internals/OpenGLFloatTextureProgram.h"
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28 #include "Internals/OpenGLLinesProgram.h"
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29 #include "Internals/OpenGLTextProgram.h"
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31 namespace OrthancStone
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32 {
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33 class OpenGLCompositor : public ICompositor, private Internals::CompositorHelper::IRendererFactory
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34 {
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35 private:
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36 class Font;
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38 typedef std::map<size_t, Font*> Fonts;
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39
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40 OpenGL::IOpenGLContext& context_;
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41 Fonts fonts_;
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42 std::unique_ptr<Internals::CompositorHelper> helper_;
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43 Internals::OpenGLColorTextureProgram colorTextureProgram_;
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44 Internals::OpenGLFloatTextureProgram floatTextureProgram_;
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45 Internals::OpenGLLinesProgram linesProgram_;
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46 Internals::OpenGLTextProgram textProgram_;
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47 unsigned int canvasWidth_;
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48 unsigned int canvasHeight_;
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49
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50 const Font* GetFont(size_t fontIndex) const;
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52 virtual Internals::CompositorHelper::ILayerRenderer* Create(const ISceneLayer& layer) ORTHANC_OVERRIDE;
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53
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54 public:
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55 explicit OpenGLCompositor(OpenGL::IOpenGLContext& context);
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57 virtual ~OpenGLCompositor();
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58
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59 virtual void Refresh(const Scene2D& scene) ORTHANC_OVERRIDE;
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60
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61 virtual void ResetScene() ORTHANC_OVERRIDE
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62 {
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63 helper_.reset(new Internals::CompositorHelper(*this));
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64 }
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66 void SetFont(size_t index, const GlyphBitmapAlphabet& dict);
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67
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68 #if ORTHANC_ENABLE_LOCALE == 1
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69 void SetFont(size_t index,
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70 const std::string& ttf,
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71 unsigned int fontSize,
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72 Orthanc::Encoding codepage) ORTHANC_OVERRIDE;
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73 #endif
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74
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75 virtual void SetCanvasSize(unsigned int canvasWidth,
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76 unsigned int canvasHeight) ORTHANC_OVERRIDE;
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78 virtual unsigned int GetCanvasWidth() const ORTHANC_OVERRIDE
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79 {
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80 return canvasWidth_;
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81 }
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82
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83 virtual unsigned int GetCanvasHeight() const ORTHANC_OVERRIDE
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84 {
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85 return canvasHeight_;
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86 }
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87 };
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88 }