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comparison 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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1874:08f2476e8f5e 1875:b896f20d24ca
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2022 Osimis S.A., Belgium
6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
7 *
8 * This program is free software: you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public License
10 * as published by the Free Software Foundation, either version 3 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
21 **/
22
23
24 #pragma once
25
26 #include "Extent2D.h"
27 #include "../Scene2D/ScenePoint2D.h"
28
29 #include <list>
30
31
32 namespace OrthancStone
33 {
34 /**
35 * This implementation closely follows "Finding the Contour of a
36 * Union of Iso-Oriented Rectangles" by Lipski and Preparata (1980),
37 * as well as Section 8.5 (pages 340-348) of "Computational Geometry
38 * - An Introduction" by Preparata and Ian Shamos (1985).
39 **/
40 class UnionOfRectangles : public boost::noncopyable
41 {
42 private:
43 enum Operation
44 {
45 Operation_Insert,
46 Operation_Delete
47 };
48
49 enum Status
50 {
51 Status_Full,
52 Status_Partial,
53 Status_Empty
54 };
55
56 class Payload;
57 class Factory;
58 class Visitor;
59
60 class VerticalSide;
61 class HorizontalJunction;
62
63 UnionOfRectangles(); // Pure static class
64
65 public:
66 static void Apply(std::list< std::vector<ScenePoint2D> >& contours,
67 const std::list<Extent2D>& rectangles);
68 };
69 }