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annotate OrthancStone/Sources/Scene2D/ScenePoint2D.h @ 1841:6f82cd776cf6

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 24 Jun 2021 13:53:33 +0200
parents 5a872e69c74f
children 3889ae96d2e9
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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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21
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22
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23 #pragma once
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24
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25 #include "../Toolbox/AffineTransform2D.h"
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26
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27 namespace OrthancStone
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28 {
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29 class ScenePoint2D
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30 {
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31 private:
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32 double x_;
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33 double y_;
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34
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35 public:
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36 ScenePoint2D() :
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37 x_(0),
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38 y_(0)
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39 {
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40 }
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41
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42 ScenePoint2D(double x,
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43 double y) :
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44 x_(x),
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45 y_(y)
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46 {
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47 }
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48
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49 double GetX() const
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50 {
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51 return x_;
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52 }
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53
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54 double GetY() const
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55 {
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56 return y_;
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57 }
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58
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59 ScenePoint2D Apply(const AffineTransform2D& t) const;
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60
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61 const ScenePoint2D operator-(const ScenePoint2D& a) const;
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62
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63 const ScenePoint2D operator+(const ScenePoint2D& a) const;
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64
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65 const ScenePoint2D operator*(double a) const;
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66
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67 const ScenePoint2D operator/(double a) const;
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68
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69 static void MidPoint(ScenePoint2D& result,
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70 const ScenePoint2D& a,
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71 const ScenePoint2D& b);
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72
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73 static double Dot(const ScenePoint2D& a,
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74 const ScenePoint2D& b);
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75
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76 static double SquaredMagnitude(const ScenePoint2D& v);
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77
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78 static double Magnitude(const ScenePoint2D& v);
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79
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80 static double SquaredDistancePtPt(const ScenePoint2D& a,
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81 const ScenePoint2D& b);
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82
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83 static double DistancePtPt(const ScenePoint2D& a,
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84 const ScenePoint2D& b);
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85
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86 // Distance from point p to [a,b] segment
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87 static double SquaredDistancePtSegment(const ScenePoint2D& a,
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88 const ScenePoint2D& b,
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89 const ScenePoint2D& p);
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90 };
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91 }