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annotate OrthancStone/Sources/Wrappers/CairoContext.h @ 1739:9ac2a65d4172

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 06 Jan 2021 17:50:00 +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) 2017-2021 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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25 #include "CairoSurface.h"
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26 #include "../StoneEnumerations.h"
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28 #include <Images/Font.h>
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30 namespace OrthancStone
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31 {
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32 // This is a RAII wrapper around the Cairo drawing context
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33 class CairoContext : public boost::noncopyable
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34 {
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35 private:
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36 class AlphaSurface;
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37
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38 cairo_t* context_;
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39 unsigned int width_;
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40 unsigned int height_;
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42 public:
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43 explicit CairoContext(CairoSurface& surface);
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45 ~CairoContext();
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47 cairo_t* GetObject()
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48 {
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49 return context_;
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50 }
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51
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52 unsigned int GetWidth() const
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53 {
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54 return width_;
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55 }
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56
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57 unsigned int GetHeight() const
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58 {
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59 return height_;
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60 }
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61
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62 void SetSourceColor(uint8_t red,
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63 uint8_t green,
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64 uint8_t blue);
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65
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66 void SetSourceColor(const uint8_t color[3])
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67 {
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68 SetSourceColor(color[0], color[1], color[2]);
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69 }
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71 void DrawText(const Orthanc::Font& font,
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72 const std::string& text,
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73 double x,
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74 double y,
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75 BitmapAnchor anchor);
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76 };
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77 }