GEOS 3.14.0dev
GeometryMapper.h
1/**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2021 Paul Ramsey <pramsey@cleverelephant.ca>
7 *
8 * This is free software; you can redistribute and/or modify it under
9 * the terms of the GNU Lesser General Public Licence as published
10 * by the Free Software Foundation.
11 * See the COPYING file for more information.
12 *
13 **********************************************************************
14 *
15 * Last port: geom/util/GeometryMapper.java
16 *
17 **********************************************************************/
18
19#pragma once
20
21#include <memory>
22#include <vector>
23#include <functional>
24
25#include <geos/export.h>
26
27// Forward declarations
28namespace geos {
29namespace geom {
30class Geometry;
31class GeometryCollection;
32class GeometryFactory;
33}
34}
35
36namespace geos {
37namespace geom { // geos.geom
38namespace util { // geos.geom.util
39
40
49class GEOS_DLL GeometryMapper {
50
51public:
52
58 typedef std::function<std::unique_ptr<Geometry>(const Geometry&)> mapOp;
59
72 static std::unique_ptr<Geometry> map(
73 const Geometry& geom,
74 mapOp op);
75
90 static std::unique_ptr<Geometry> flatMap(
91 const Geometry& geom,
92 int emptyDim,
93 mapOp op);
94
95
96
97private:
98
99 static void flatMap(
100 const Geometry& geom,
101 mapOp op,
102 std::vector<std::unique_ptr<Geometry>>& mapped);
103
104 static void addFlat(
105 std::unique_ptr<Geometry>& geom,
106 std::vector<std::unique_ptr<Geometry>>& geomList);
107
108
109
110};
111
112} // namespace geos.geom.util
113} // namespace geos.geom
114} // namespace geos
115
Basic implementation of Geometry, constructed and destructed by GeometryFactory.
Definition Geometry.h:197
Definition GeometryMapper.h:49
static std::unique_ptr< Geometry > flatMap(const Geometry &geom, int emptyDim, mapOp op)
static std::unique_ptr< Geometry > map(const Geometry &geom, mapOp op)
std::function< std::unique_ptr< Geometry >(const Geometry &)> mapOp
Definition GeometryMapper.h:58
Basic namespace for all GEOS functionalities.
Definition geos.h:39