Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Scene2D/Internals/CairoPolylineRenderer.cpp @ 2037:d81a7157a846 deep-learning
added OpenGLTexture::ConvertToOpenGLFormats()
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 28 Jan 2023 12:55:34 +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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22 |
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23 |
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24 #include "CairoPolylineRenderer.h" |
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25 |
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26 #include "../PolylineSceneLayer.h" |
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27 |
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28 namespace OrthancStone |
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29 { |
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30 namespace Internals |
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31 { |
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32 void CairoPolylineRenderer::Render(const AffineTransform2D& transform, |
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33 unsigned int canvasWidth, |
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34 unsigned int canvasHeight) |
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35 { |
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36 const PolylineSceneLayer& layer = GetLayer<PolylineSceneLayer>(); |
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37 |
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38 cairo_t* cr = GetCairoContext(); |
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39 |
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40 cairo_set_line_width(cr, layer.GetThickness()); |
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41 |
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42 for (size_t i = 0; i < layer.GetChainsCount(); i++) |
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43 { |
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44 const Color& color = layer.GetColor(i); |
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45 cairo_set_source_rgb(cr, color.GetRedAsFloat(), |
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46 color.GetGreenAsFloat(), |
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47 color.GetBlueAsFloat()); |
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48 |
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49 const PolylineSceneLayer::Chain& chain = layer.GetChain(i); |
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51 if (!chain.empty()) |
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52 { |
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53 for (size_t j = 0; j < chain.size(); j++) |
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54 { |
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55 ScenePoint2D p = chain[j].Apply(transform); |
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56 |
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57 if (j == 0) |
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58 { |
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59 cairo_move_to(cr, p.GetX(), p.GetY()); |
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60 } |
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61 else |
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62 { |
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63 cairo_line_to(cr, p.GetX(), p.GetY()); |
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64 } |
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65 } |
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67 if (layer.IsClosedChain(i)) |
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68 { |
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69 ScenePoint2D p = chain[0].Apply(transform); |
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70 cairo_line_to(cr, p.GetX(), p.GetY()); |
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71 } |
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72 } |
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73 |
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74 cairo_stroke(cr); |
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75 } |
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76 } |
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77 } |
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78 } |