/********************************************************************** * * GEOS - Geometry Engine Open Source * http://geos.osgeo.org * * Copyright (C) 2024 ISciences, LLC * * 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. * **********************************************************************/ #pragma once #include namespace geos { namespace geom { class SimpleCurve; class GEOS_DLL Curve : public Geometry { public: using Geometry::apply_ro; using Geometry::apply_rw; void apply_ro(GeometryComponentFilter* filter) const override; void apply_ro(GeometryFilter* filter) const override; void apply_rw(GeometryComponentFilter* filter) override; void apply_rw(GeometryFilter* filter) override; /** * \brief * Returns Dimension::False for a closed Curve, * 0 otherwise (Curve boundary is a MultiPoint) */ int getBoundaryDimension() const override { return isClosed() ? Dimension::False : 0; } /// Returns line dimension (1) Dimension::DimensionType getDimension() const override { return Dimension::L; // line } /// Returns true if the first and last coordinate in the Curve are the same virtual bool isClosed() const = 0; /// Returns true if the curve is closed and simple bool isRing() const; virtual std::size_t getNumCurves() const = 0; virtual const SimpleCurve* getCurveN(std::size_t) const = 0; protected: Curve(const GeometryFactory& factory) : Geometry(&factory) {} }; } }