118 lines
2.3 KiB
C
118 lines
2.3 KiB
C
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/**********************************************************************
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*
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* GEOS - Geometry Engine Open Source
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* http://geos.osgeo.org
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*
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* Copyright (C) 2011 Sandro Santilli <strk@kbt.io>
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* Copyright (C) 2005-2006 Refractions Research Inc.
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* Copyright (C) 2001-2002 Vivid Solutions Inc.
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*
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* This is free software; you can redistribute and/or modify it under
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* the terms of the GNU Lesser General Public Licence as published
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* by the Free Software Foundation.
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* See the COPYING file for more information.
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*
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**********************************************************************
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*
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* Last port: geomgraph/GraphComponent.java r428 (JTS-1.12+)
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*
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**********************************************************************/
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#pragma once
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#include <geos/export.h>
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#include <geos/geomgraph/Label.h>
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// Forward declarations
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namespace geos {
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namespace geom {
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class IntersectionMatrix;
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}
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}
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namespace geos {
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namespace geomgraph { // geos.geomgraph
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/** \brief
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* A GraphComponent is the parent class for the objects'
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* that form a graph.
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*
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* Each GraphComponent can carry a Label.
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*/
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class GEOS_DLL GraphComponent /* non-final */ {
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public:
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GraphComponent();
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/*
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* GraphComponent copies the given Label.
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*/
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GraphComponent(const Label& newLabel);
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virtual ~GraphComponent() = default;
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Label&
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getLabel()
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{
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return label;
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}
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const Label&
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getLabel() const
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{
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return label;
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}
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void
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setLabel(const Label& newLabel)
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{
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label = newLabel;
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}
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void
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setInResult(bool p_isInResult)
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{
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isInResultVar = p_isInResult;
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}
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bool
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isInResult() const
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{
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return isInResultVar;
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}
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void setCovered(bool isCovered);
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bool
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isCovered() const
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{
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return isCoveredVar;
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}
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bool
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isCoveredSet() const
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{
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return isCoveredSetVar;
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}
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bool
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isVisited() const
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{
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return isVisitedVar;
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}
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void
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setVisited(bool p_isVisited)
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{
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isVisitedVar = p_isVisited;
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}
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virtual bool isIsolated() const = 0;
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void updateIM(geom::IntersectionMatrix& im);
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protected:
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Label label;
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virtual void computeIM(geom::IntersectionMatrix& im) = 0;
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private:
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bool isInResultVar;
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bool isCoveredVar;
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bool isCoveredSetVar;
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bool isVisitedVar;
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};
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} // namespace geos.geomgraph
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} // namespace geos
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