GEOS  3.13.0dev
LineSegmentIndex.h
1 /**********************************************************************
2  *
3  * GEOS - Geometry Engine Open Source
4  * http://geos.osgeo.org
5  *
6  * Copyright (C) 2006 Refractions Research Inc.
7  *
8  * This is free software; you can redistribute and/or modify it under
9  * the terms of the GNU Lesser General Licence as published
10  * by the Free Software Foundation.
11  * See the COPYING file for more information.
12  *
13  **********************************************************************
14  *
15  * Last port: simplify/LineSegmentIndex.java rev. 1.1 (JTS-1.7.1)
16  *
17  **********************************************************************
18  *
19  * NOTES
20  *
21  **********************************************************************/
22 
23 #pragma once
24 
25 #include <geos/export.h>
26 #include <geos/geom/Envelope.h>
27 #include <geos/index/quadtree/Quadtree.h>
28 #include <vector>
29 #include <memory> // for unique_ptr
30 
31 #ifdef _MSC_VER
32 #pragma warning(push)
33 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
34 #endif
35 
36 // Forward declarations
37 namespace geos {
38 namespace geom {
39 class LineSegment;
40 }
41 namespace simplify {
42 class TaggedLineString;
43 }
44 }
45 
46 namespace geos {
47 namespace simplify { // geos::simplify
48 
49 class GEOS_DLL LineSegmentIndex {
50 
51 public:
52 
53  LineSegmentIndex() = default;
54 
55  ~LineSegmentIndex() = default;
56 
57  void add(const TaggedLineString& line);
58 
59  void add(const geom::LineSegment* seg);
60 
61  void remove(const geom::LineSegment* seg);
62 
63  std::unique_ptr< std::vector<geom::LineSegment*> >
64  query(const geom::LineSegment* seg);
65 
66 
67 private:
68 
69  index::quadtree::Quadtree index;
70 
71  std::vector<std::unique_ptr<geom::Envelope>> newEnvelopes;
72 
77  LineSegmentIndex(const LineSegmentIndex&) = delete;
78  LineSegmentIndex& operator=(const LineSegmentIndex&) = delete;
79 };
80 
81 } // namespace geos::simplify
82 } // namespace geos
83 
84 #ifdef _MSC_VER
85 #pragma warning(pop)
86 #endif
87 
Basic namespace for all GEOS functionalities.
Definition: Angle.h:25