/src/geos/include/geos/geom/MultiLineString.h
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1 | | /********************************************************************** |
2 | | * |
3 | | * GEOS - Geometry Engine Open Source |
4 | | * http://geos.osgeo.org |
5 | | * |
6 | | * Copyright (C) 2011 Sandro Santilli <strk@kbt.io> |
7 | | * Copyright (C) 2001-2002 Vivid Solutions Inc. |
8 | | * Copyright (C) 2005 2006 Refractions Research Inc. |
9 | | * |
10 | | * This is free software; you can redistribute and/or modify it under |
11 | | * the terms of the GNU Lesser General Public Licence as published |
12 | | * by the Free Software Foundation. |
13 | | * See the COPYING file for more information. |
14 | | * |
15 | | ********************************************************************** |
16 | | * |
17 | | * Last port: geom/MultiLineString.java r320 (JTS-1.12) |
18 | | * |
19 | | **********************************************************************/ |
20 | | |
21 | | #pragma once |
22 | | |
23 | | #include <geos/export.h> |
24 | | #include <geos/geom/GeometryCollection.h> // for inheritance |
25 | | #include <geos/geom/Dimension.h> |
26 | | #include <geos/geom/LineString.h> |
27 | | #include <geos/geom/MultiPoint.h> |
28 | | |
29 | | #include <string> |
30 | | #include <vector> |
31 | | |
32 | | |
33 | | // Forward declarations |
34 | | namespace geos { |
35 | | namespace geom { // geos::geom |
36 | | class Coordinate; |
37 | | } |
38 | | } |
39 | | |
40 | | namespace geos { |
41 | | namespace geom { // geos::geom |
42 | | |
43 | | #ifdef _MSC_VER |
44 | | #pragma warning(push) |
45 | | #pragma warning(disable:4250) // T1 inherits T2 via dominance |
46 | | #endif |
47 | | |
48 | | /// Models a collection of [LineStrings](@ref geom::LineString). |
49 | | class GEOS_DLL MultiLineString: public GeometryCollection { |
50 | | |
51 | | public: |
52 | | |
53 | | friend class GeometryFactory; |
54 | | |
55 | | ~MultiLineString() override = default; |
56 | | |
57 | | /// Returns line dimension (1) |
58 | | Dimension::DimensionType getDimension() const override; |
59 | | |
60 | 0 | bool hasDimension(Dimension::DimensionType d) const override { |
61 | 0 | return d == Dimension::L; |
62 | 0 | } |
63 | | |
64 | 0 | bool isDimensionStrict(Dimension::DimensionType d) const override { |
65 | 0 | return d == Dimension::L; |
66 | 0 | } |
67 | | |
68 | | /** |
69 | | * \brief |
70 | | * Returns Dimension::False if all [LineStrings](@ref geom::LineString) in the collection |
71 | | * are closed, 0 otherwise. |
72 | | */ |
73 | | int getBoundaryDimension() const override; |
74 | | |
75 | | /// Returns a (possibly empty) [MultiPoint](@ref geom::MultiPoint) |
76 | | std::unique_ptr<Geometry> getBoundary() const override; |
77 | | |
78 | | const LineString* getGeometryN(std::size_t n) const override; |
79 | | |
80 | | std::string getGeometryType() const override; |
81 | | |
82 | | GeometryTypeId getGeometryTypeId() const override; |
83 | | |
84 | 0 | std::unique_ptr<MultiLineString> getLinearized(const algorithm::CurveToLineParams&) const { |
85 | 0 | return clone(); |
86 | 0 | } |
87 | | |
88 | | bool isClosed() const; |
89 | | |
90 | | std::unique_ptr<MultiLineString> clone() const |
91 | 0 | { |
92 | 0 | return std::unique_ptr<MultiLineString>(cloneImpl()); |
93 | 0 | }; |
94 | | |
95 | | /** |
96 | | * Creates a MultiLineString in the reverse |
97 | | * order to this object. |
98 | | * Both the order of the component LineStrings |
99 | | * and the order of their coordinate sequences |
100 | | * are reversed. |
101 | | * |
102 | | * @return a MultiLineString in the reverse order |
103 | | */ |
104 | 0 | std::unique_ptr<MultiLineString> reverse() const { return std::unique_ptr<MultiLineString>(reverseImpl()); } |
105 | | |
106 | | protected: |
107 | | |
108 | | /** |
109 | | * \brief Constructs a MultiLineString. |
110 | | * |
111 | | * @param newLines The [LineStrings](@ref geom::LineString) for this |
112 | | * MultiLineString, or `null` |
113 | | * or an empty array to create the empty geometry. |
114 | | * Elements may be empty LineString, |
115 | | * but not `null`s. |
116 | | * |
117 | | * @param newFactory The GeometryFactory used to create this geometry. |
118 | | * Caller must keep the factory alive for the life-time |
119 | | * of the constructed MultiLineString. |
120 | | * |
121 | | * @note Constructed object will take ownership of |
122 | | * the vector and its elements. |
123 | | * |
124 | | */ |
125 | | MultiLineString(std::vector<std::unique_ptr<LineString>> && newLines, |
126 | | const GeometryFactory& newFactory); |
127 | | |
128 | | MultiLineString(std::vector<std::unique_ptr<Geometry>> && newLines, |
129 | | const GeometryFactory& newFactory); |
130 | | |
131 | | MultiLineString(std::vector<std::unique_ptr<Curve>> && newLines, |
132 | | const GeometryFactory& newFactory); |
133 | | |
134 | | MultiLineString(const MultiLineString& mp) |
135 | 0 | : GeometryCollection(mp) |
136 | 0 | {}; |
137 | | |
138 | 0 | MultiLineString* cloneImpl() const override { return new MultiLineString(*this); } |
139 | | |
140 | | MultiLineString* reverseImpl() const override; |
141 | | |
142 | | GeometryCollection* getCurvedImpl(const algorithm::LineToCurveParams&) const override; |
143 | | |
144 | | MultiLineString* getLinearizedImpl(const algorithm::CurveToLineParams&) const override; |
145 | | |
146 | | int |
147 | | getSortIndex() const override |
148 | 0 | { |
149 | 0 | return SORTINDEX_MULTILINESTRING; |
150 | 0 | }; |
151 | | |
152 | | bool hasCurvedComponents() const override |
153 | 0 | { |
154 | 0 | return false; |
155 | 0 | } |
156 | | |
157 | | }; |
158 | | |
159 | | |
160 | | } // namespace geos::geom |
161 | | } // namespace geos |
162 | | |
163 | | |
164 | | #ifdef _MSC_VER |
165 | | #pragma warning(pop) |
166 | | #endif |
167 | | |
168 | | |
169 | | |
170 | | |
171 | | |