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annotate OrthancStone/Sources/Scene2D/ScenePoint2D.h @ 1949:d3ae6858e77b

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more consistent handling of numberOfFrames
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 15 Jul 2022 16:19:18 +0200
parents b896f20d24ca
children 07964689cb0b
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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 "../Toolbox/AffineTransform2D.h"
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27
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28 namespace OrthancStone
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29 {
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30 class ScenePoint2D
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31 {
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32 private:
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33 double x_;
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34 double y_;
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35
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36 public:
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37 ScenePoint2D() :
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38 x_(0),
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39 y_(0)
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40 {
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41 }
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42
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43 ScenePoint2D(double x,
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44 double y) :
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45 x_(x),
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46 y_(y)
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47 {
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48 }
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49
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50 double GetX() const
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51 {
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52 return x_;
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53 }
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54
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55 double GetY() const
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56 {
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57 return y_;
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58 }
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59
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60 ScenePoint2D Apply(const AffineTransform2D& t) const;
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61
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62 const ScenePoint2D operator-(const ScenePoint2D& a) const;
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63
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64 const ScenePoint2D operator+(const ScenePoint2D& a) const;
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65
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66 const ScenePoint2D operator*(double a) const;
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67
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68 const ScenePoint2D operator/(double a) const;
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69
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70 static void MidPoint(ScenePoint2D& result,
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71 const ScenePoint2D& a,
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72 const ScenePoint2D& b);
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73
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74 static double Dot(const ScenePoint2D& a,
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75 const ScenePoint2D& b);
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76
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77 static double SquaredMagnitude(const ScenePoint2D& v);
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78
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79 static double Magnitude(const ScenePoint2D& v);
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80
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81 static double SquaredDistancePtPt(const ScenePoint2D& a,
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82 const ScenePoint2D& b);
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83
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84 static double DistancePtPt(const ScenePoint2D& a,
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85 const ScenePoint2D& b);
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86
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87 // Distance from point p to [a,b] segment
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88 static double SquaredDistancePtSegment(const ScenePoint2D& a,
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89 const ScenePoint2D& b,
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90 const ScenePoint2D& p);
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91
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92 bool IsEqual(const ScenePoint2D& other) const
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93 {
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94 return LinearAlgebra::IsCloseToZero(DistancePtPt(*this, other));
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95 }
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96 };
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97 }