71 lines
2.0 KiB
C
71 lines
2.0 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) 2006 Refractions Research 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: operation/relate/EdgeEndBuilder.java rev. 1.12 (JTS-1.10)
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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 <memory>
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#include <vector>
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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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class Coordinate;
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}
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namespace geomgraph {
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class Edge;
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class EdgeIntersection;
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class EdgeEnd;
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}
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}
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namespace geos {
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namespace operation { // geos::operation
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namespace relate { // geos::operation::relate
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/** \brief
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* Computes the geomgraph::EdgeEnd objects which arise
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* from a noded geomgraph::Edge.
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*/
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class GEOS_DLL EdgeEndBuilder {
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public:
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EdgeEndBuilder() {}
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std::vector<std::unique_ptr<geomgraph::EdgeEnd>> computeEdgeEnds(std::vector<geomgraph::Edge*>* edges);
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void computeEdgeEnds(geomgraph::Edge* edge, std::vector<std::unique_ptr<geomgraph::EdgeEnd>>& l);
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protected:
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void createEdgeEndForPrev(geomgraph::Edge* edge,
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std::vector<std::unique_ptr<geomgraph::EdgeEnd>>& l,
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const geomgraph::EdgeIntersection* eiCurr,
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const geomgraph::EdgeIntersection* eiPrev);
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void createEdgeEndForNext(geomgraph::Edge* edge,
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std::vector<std::unique_ptr<geomgraph::EdgeEnd>>& l,
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const geomgraph::EdgeIntersection* eiCurr,
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const geomgraph::EdgeIntersection* eiNext);
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};
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} // namespace geos:operation:relate
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} // namespace geos:operation
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} // namespace geos
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