DYT/Tool/OpenSceneGraph-3.6.5/include/geos/geom/MultiLineString.h

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2024-12-24 23:49:36 +00:00
/**********************************************************************
*
* GEOS - Geometry Engine Open Source
* http://geos.osgeo.org
*
* Copyright (C) 2011 Sandro Santilli <strk@kbt.io>
* Copyright (C) 2001-2002 Vivid Solutions Inc.
* Copyright (C) 2005 2006 Refractions Research Inc.
*
* This is free software; you can redistribute and/or modify it under
* the terms of the GNU Lesser General Public Licence as published
* by the Free Software Foundation.
* See the COPYING file for more information.
*
**********************************************************************
*
* Last port: geom/MultiLineString.java r320 (JTS-1.12)
*
**********************************************************************/
#pragma once
#include <geos/export.h>
#include <geos/geom/GeometryCollection.h> // for inheritance
#include <geos/geom/Dimension.h>
#include <geos/geom/LineString.h>
#include <geos/geom/MultiPoint.h>
#include <string>
#include <vector>
// Forward declarations
namespace geos {
namespace geom { // geos::geom
class Coordinate;
}
}
namespace geos {
namespace geom { // geos::geom
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable:4250) // T1 inherits T2 via dominance
#endif
/// Models a collection of [LineStrings](@ref geom::LineString).
class GEOS_DLL MultiLineString: public GeometryCollection {
public:
friend class GeometryFactory;
~MultiLineString() override = default;
/// Returns line dimension (1)
Dimension::DimensionType getDimension() const override;
bool hasDimension(Dimension::DimensionType d) const override {
return d == Dimension::L;
}
bool isDimensionStrict(Dimension::DimensionType d) const override {
return d == Dimension::L;
}
/**
* \brief
* Returns Dimension::False if all [LineStrings](@ref geom::LineString) in the collection
* are closed, 0 otherwise.
*/
int getBoundaryDimension() const override;
/// Returns a (possibly empty) [MultiPoint](@ref geom::MultiPoint)
std::unique_ptr<Geometry> getBoundary() const override;
const LineString* getGeometryN(std::size_t n) const override;
std::string getGeometryType() const override;
GeometryTypeId getGeometryTypeId() const override;
bool isClosed() const;
std::unique_ptr<MultiLineString> clone() const
{
return std::unique_ptr<MultiLineString>(cloneImpl());
};
/**
* Creates a MultiLineString in the reverse
* order to this object.
* Both the order of the component LineStrings
* and the order of their coordinate sequences
* are reversed.
*
* @return a MultiLineString in the reverse order
*/
std::unique_ptr<MultiLineString> reverse() const { return std::unique_ptr<MultiLineString>(reverseImpl()); }
protected:
/**
* \brief Constructs a MultiLineString.
*
* @param newLines The [LineStrings](@ref geom::LineString) for this
* MultiLineString, or `null`
* or an empty array to create the empty geometry.
* Elements may be empty LineString,
* but not `null`s.
*
* @param newFactory The GeometryFactory used to create this geometry.
* Caller must keep the factory alive for the life-time
* of the constructed MultiLineString.
*
* @note Constructed object will take ownership of
* the vector and its elements.
*
*/
MultiLineString(std::vector<std::unique_ptr<LineString>> && newLines,
const GeometryFactory& newFactory);
MultiLineString(std::vector<std::unique_ptr<Geometry>> && newLines,
const GeometryFactory& newFactory);
MultiLineString(const MultiLineString& mp)
: GeometryCollection(mp)
{};
MultiLineString* cloneImpl() const override { return new MultiLineString(*this); }
MultiLineString* reverseImpl() const override;
int
getSortIndex() const override
{
return SORTINDEX_MULTILINESTRING;
};
bool hasCurvedComponents() const override
{
return false;
}
};
} // namespace geos::geom
} // namespace geos
#ifdef _MSC_VER
#pragma warning(pop)
#endif