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annotate OrthancStone/Sources/Toolbox/UnionOfRectangles.h @ 1875:b896f20d24ca

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added UnionOfRectangles algorithm
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 11 Jan 2022 19:59:40 +0100
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children 07964689cb0b
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1875
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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 "Extent2D.h"
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27 #include "../Scene2D/ScenePoint2D.h"
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28
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29 #include <list>
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30
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31
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32 namespace OrthancStone
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33 {
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34 /**
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35 * This implementation closely follows "Finding the Contour of a
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36 * Union of Iso-Oriented Rectangles" by Lipski and Preparata (1980),
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37 * as well as Section 8.5 (pages 340-348) of "Computational Geometry
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38 * - An Introduction" by Preparata and Ian Shamos (1985).
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39 **/
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40 class UnionOfRectangles : public boost::noncopyable
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41 {
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42 private:
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43 enum Operation
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44 {
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45 Operation_Insert,
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46 Operation_Delete
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47 };
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48
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49 enum Status
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50 {
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51 Status_Full,
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52 Status_Partial,
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53 Status_Empty
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54 };
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55
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56 class Payload;
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57 class Factory;
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58 class Visitor;
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59
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60 class VerticalSide;
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61 class HorizontalJunction;
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62
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63 UnionOfRectangles(); // Pure static class
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64
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65 public:
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66 static void Apply(std::list< std::vector<ScenePoint2D> >& contours,
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67 const std::list<Extent2D>& rectangles);
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68 };
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69 }