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annotate OrthancStone/Sources/Toolbox/Internals/OrientedIntegerLine2D.h @ 1874:08f2476e8f5e

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added classes OrientedIntegerLine2D and RectanglesIntegerProjection
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 11 Jan 2022 18:58:37 +0100
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children b1f510e601d2
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1874
08f2476e8f5e added classes OrientedIntegerLine2D and RectanglesIntegerProjection
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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 #pragma once
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25
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26 #include <vector>
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27 #include <list>
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28
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29
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30 namespace OrthancStone
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31 {
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32 namespace Internals
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33 {
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34 /**
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35 * This is an oriented 2D line with unsigned integer coordinates.
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36 **/
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37 class OrientedIntegerLine2D
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38 {
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39 private:
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40 size_t x1_;
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41 size_t y1_;
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42 size_t x2_;
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43 size_t y2_;
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44
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45 public:
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46 OrientedIntegerLine2D(size_t x1,
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47 size_t y1,
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48 size_t x2,
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49 size_t y2);
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50
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51 bool IsVertical() const
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52 {
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53 return (x1_ == x2_);
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54 }
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55
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56 bool IsHorizontal() const
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57 {
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58 return (y1_ == y2_);
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59 }
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60
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61 bool IsEmpty() const
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62 {
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63 return (x1_ == x2_ &&
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64 y1_ == y2_);
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65 }
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66
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67 size_t GetX1() const
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68 {
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69 return x1_;
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70 }
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71
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72 size_t GetY1() const
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73 {
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74 return y1_;
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75 }
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76
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77 size_t GetX2() const
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78 {
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79 return x2_;
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80 }
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81
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82 size_t GetY2() const
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83 {
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84 return y2_;
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85 }
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86
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87 bool IsDownward() const
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88 {
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89 return (y1_ < y2_);
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90 }
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91
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92 typedef std::list< std::pair<size_t, size_t> > Chain;
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93
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94 static void ExtractChains(std::list<Chain>& chains,
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95 const std::vector<OrientedIntegerLine2D>& edges);
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96 };
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97 }
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98 }