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# Edge.h

    00001 /**********************************************************************
    00002  * $Id: Edge.h 3255 2011-03-01 17:56:10Z mloskot $
    00003  *
    00004  * GEOS - Geometry Engine Open Source
    00005  * http://geos.refractions.net
    00006  *
    00007  * Copyright (C) 2001-2002 Vivid Solutions Inc.
    00008  * Copyright (C) 2005-2006 Refractions Research Inc.
    00009  *
    00010  * This is free software; you can redistribute and/or modify it under
    00011  * the terms of the GNU Lesser General Public Licence as published
    00012  * by the Free Software Foundation.
    00013  * See the COPYING file for more information.
    00014  *
    00015  **********************************************************************/
    00016
    00017 #ifndef GEOS_PLANARGRAPH_EDGE_H
    00018 #define GEOS_PLANARGRAPH_EDGE_H
    00019
    00020 #include <geos/export.h>
    00021
    00022 #include <geos/planargraph/GraphComponent.h> // for inheritance
    00023
    00024 #include <vector> // for typedefs
    00025 #include <set> // for typedefs
    00026 #include <iosfwd> // ostream
    00027
    00028 #ifdef _MSC_VER
    00029 #pragma warning(push)
    00030 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
    00031 #endif
    00032
    00033 // Forward declarations
    00034 namespace geos {
    00035         namespace planargraph {
    00036                 class DirectedEdgeStar;
    00037                 class DirectedEdge;
    00038                 class Edge;
    00039                 class Node;
    00040         }
    00041 }
    00042
    00043 namespace geos {
    00044 namespace planargraph { // geos.planargraph
    00045
    00055 class GEOS_DLL Edge: public GraphComponent {
    00056
    00057 public:
    00058
    00059         friend std::ostream& operator<< (std::ostream& os, const Node&);
    00060
    00062         typedef std::set<const Edge *> ConstSet;
    00063
    00065         typedef std::set<Edge *> NonConstSet;
    00066
    00068         typedef std::vector<Edge *> NonConstVect;
    00069
    00071         typedef std::vector<const Edge *> ConstVect;
    00072
    00073 protected:
    00074
    00076         std::vector<DirectedEdge*> dirEdge;
    00077
    00084 public:
    00085
    00093         Edge(): dirEdge() {}
    00094
    00101         Edge(DirectedEdge *de0, DirectedEdge *de1)
    00102                 :
    00103                 dirEdge()
    00104         {
    00105                 setDirectedEdges(de0, de1);
    00106         }
    00107
    00115         void setDirectedEdges(DirectedEdge *de0, DirectedEdge *de1);
    00116
    00121         DirectedEdge* getDirEdge(int i);
    00122
    00128         DirectedEdge* getDirEdge(Node *fromNode);
    00129
    00134         Node* getOppositeNode(Node *node);
    00135 };
    00136
    00138 std::ostream& operator<<(std::ostream& os, const Edge& n);
    00139
    00141 //typedef Edge planarEdge;
    00142
    00143 } // namespace geos::planargraph
    00144 } // namespace geos
    00145
    00146 #ifdef _MSC_VER
    00147 #pragma warning(pop)
    00148 #endif
    00149
    00150 #endif // GEOS_PLANARGRAPH_EDGE_H
    00151
    00152 /**********************************************************************
    00153  * $Log$
    00154  * Revision 1.1  2006/03/21 21:42:54  strk
    00155  * planargraph.h header split, planargraph:: classes renamed to match JTS symbols
    00156  *
    00157  **********************************************************************/
    00158