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annotate OrthancStone/Sources/Wrappers/CairoContext.h @ 1871:7053b8a0aaec

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 11 Jan 2022 11:18:48 +0100
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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) 2017-2022 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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24 #pragma once
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26 #include "CairoSurface.h"
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27 #include "../StoneEnumerations.h"
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29 #include <Images/Font.h>
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31 namespace OrthancStone
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32 {
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33 // This is a RAII wrapper around the Cairo drawing context
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34 class CairoContext : public boost::noncopyable
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35 {
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36 private:
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37 class AlphaSurface;
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38
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39 cairo_t* context_;
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40 unsigned int width_;
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41 unsigned int height_;
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43 public:
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44 explicit CairoContext(CairoSurface& surface);
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46 ~CairoContext();
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48 cairo_t* GetObject()
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49 {
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50 return context_;
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51 }
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52
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53 unsigned int GetWidth() const
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54 {
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55 return width_;
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56 }
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57
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58 unsigned int GetHeight() const
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59 {
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60 return height_;
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61 }
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62
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63 void SetSourceColor(uint8_t red,
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64 uint8_t green,
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65 uint8_t blue);
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66
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67 void SetSourceColor(const uint8_t color[3])
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68 {
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69 SetSourceColor(color[0], color[1], color[2]);
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70 }
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72 void DrawText(const Orthanc::Font& font,
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73 const std::string& text,
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74 double x,
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75 double y,
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76 BitmapAnchor anchor);
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77 };
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78 }