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annotate OrthancStone/Sources/Scene2D/ICompositor.h @ 1881:a05529952510

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fix build of unit tests in SDL project
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 12 Jan 2022 10:01:25 +0100
parents 7053b8a0aaec
children 07964689cb0b
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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
1871
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5 * Copyright (C) 2017-2022 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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22
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23
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24 #pragma once
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25
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26 #include "Scene2D.h"
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27 #include "ScenePoint2D.h"
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28
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29 #if ORTHANC_ENABLE_LOCALE == 1
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30 # include "../Fonts/TextBoundingBox.h"
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31 #endif
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32
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33 namespace OrthancStone
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34 {
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35 class ICompositor : public boost::noncopyable
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36 {
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37 public:
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38 virtual ~ICompositor()
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39 {
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40 }
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41
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42 virtual void SetCanvasSize(unsigned int canvasWidth,
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43 unsigned int canvasHeight) = 0;
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44
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45 virtual unsigned int GetCanvasWidth() const = 0;
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46
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47 virtual unsigned int GetCanvasHeight() const = 0;
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48
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49 /**
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50 * WARNING: "Refresh()" must always be called with the same
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51 * scene. If the scene changes, a call to "ResetScene()" must be
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52 * done to reset the tracking of the revisions of the layers.
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53 **/
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54 virtual void Refresh(const Scene2D& scene) = 0;
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55
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56 virtual void ResetScene() = 0;
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57
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58 #if ORTHANC_ENABLE_LOCALE == 1
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59 virtual void SetFont(size_t index,
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60 const std::string& ttf,
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61 unsigned int fontSize,
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62 Orthanc::Encoding codepage) = 0;
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63 #endif
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64
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65 // Get the center of the given pixel, in canvas coordinates
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66 ScenePoint2D GetPixelCenterCoordinates(int x, int y) const
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67 {
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68 return ScenePoint2D(
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69 static_cast<double>(x) + 0.5 - static_cast<double>(GetCanvasWidth()) / 2.0,
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70 static_cast<double>(y) + 0.5 - static_cast<double>(GetCanvasHeight()) / 2.0);
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71 }
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72
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73 void FitContent(Scene2D& scene) const
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74 {
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75 scene.FitContent(GetCanvasWidth(), GetCanvasHeight());
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76 }
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77
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78 #if ORTHANC_ENABLE_LOCALE == 1
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79 virtual TextBoundingBox* ComputeTextBoundingBox(size_t fontIndex,
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80 const std::string& utf8) = 0;
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81 #endif
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82 };
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83 }