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annotate OrthancStone/Sources/Scene2D/ICompositor.h @ 1792:373d7f7e796e

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ICompositor::ComputeTextBoundingBox()
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 17 May 2021 16:59:03 +0200
parents 9ac2a65d4172
children 3889ae96d2e9
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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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21
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22
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23 #pragma once
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24
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25 #include "Scene2D.h"
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26 #include "ScenePoint2D.h"
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27
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28 #if ORTHANC_ENABLE_LOCALE == 1
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29 # include "../Fonts/TextBoundingBox.h"
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30 #endif
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31
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32 namespace OrthancStone
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33 {
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34 class ICompositor : public boost::noncopyable
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35 {
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36 public:
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37 virtual ~ICompositor()
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38 {
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39 }
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40
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41 virtual void SetCanvasSize(unsigned int canvasWidth,
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42 unsigned int canvasHeight) = 0;
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43
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44 virtual unsigned int GetCanvasWidth() const = 0;
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45
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46 virtual unsigned int GetCanvasHeight() const = 0;
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47
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48 /**
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49 * WARNING: "Refresh()" must always be called with the same
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50 * scene. If the scene changes, a call to "ResetScene()" must be
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51 * done to reset the tracking of the revisions of the layers.
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52 **/
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53 virtual void Refresh(const Scene2D& scene) = 0;
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54
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55 virtual void ResetScene() = 0;
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56
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57 #if ORTHANC_ENABLE_LOCALE == 1
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58 virtual void SetFont(size_t index,
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59 const std::string& ttf,
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60 unsigned int fontSize,
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61 Orthanc::Encoding codepage) = 0;
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62 #endif
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63
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64 // Get the center of the given pixel, in canvas coordinates
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65 ScenePoint2D GetPixelCenterCoordinates(int x, int y) const
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66 {
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67 return ScenePoint2D(
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68 static_cast<double>(x) + 0.5 - static_cast<double>(GetCanvasWidth()) / 2.0,
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69 static_cast<double>(y) + 0.5 - static_cast<double>(GetCanvasHeight()) / 2.0);
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70 }
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72 void FitContent(Scene2D& scene) const
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73 {
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74 scene.FitContent(GetCanvasWidth(), GetCanvasHeight());
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75 }
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76
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77 #if ORTHANC_ENABLE_LOCALE == 1
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78 virtual TextBoundingBox* ComputeTextBoundingBox(size_t fontIndex,
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79 const std::string& utf8) = 0;
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80 #endif
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81 };
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82 }