GEOS 3.2.1
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00001 /********************************************************************** 00002 * $Id: EdgeString.h 2562 2009-06-08 15:28:27Z strk $ 00003 * 00004 * GEOS - Geometry Engine Open Source 00005 * http://geos.refractions.net 00006 * 00007 * Copyright (C) 2006 Refractions Research Inc. 00008 * 00009 * This is free software; you can redistribute and/or modify it under 00010 * the terms of the GNU Lesser General Public Licence as published 00011 * by the Free Software Foundation. 00012 * See the COPYING file for more information. 00013 * 00014 ********************************************************************** 00015 * 00016 * Last port: operation/linemerge/EdgeString.java rev. 1.5 (JTS-1.10) 00017 * 00018 **********************************************************************/ 00019 00020 #ifndef GEOS_OP_LINEMERGE_EDGESTRING_H 00021 #define GEOS_OP_LINEMERGE_EDGESTRING_H 00022 00023 #include <geos/export.h> 00024 #include <vector> 00025 00026 // Forward declarations 00027 namespace geos { 00028 namespace geom { 00029 class GeometryFactory; 00030 class CoordinateSequence; 00031 class LineString; 00032 } 00033 namespace operation { 00034 namespace linemerge { 00035 class LineMergeDirectedEdge; 00036 } 00037 } 00038 } 00039 00040 00041 namespace geos { 00042 namespace operation { // geos::operation 00043 namespace linemerge { // geos::operation::linemerge 00044 00050 class GEOS_DLL EdgeString { 00051 private: 00052 const geom::GeometryFactory *factory; 00053 std::vector<LineMergeDirectedEdge*> *directedEdges; 00054 geom::CoordinateSequence *coordinates; 00055 geom::CoordinateSequence* getCoordinates(); 00056 public: 00057 /* 00058 * \brief 00059 * Constructs an EdgeString with the given factory used to 00060 * convert this EdgeString to a LineString 00061 */ 00062 EdgeString(const geom::GeometryFactory *newFactory); 00063 00064 ~EdgeString(); 00065 00069 void add(LineMergeDirectedEdge *directedEdge); 00070 00071 /* 00072 * Converts this EdgeString into a LineString. 00073 */ 00074 geom::LineString* toLineString(); 00075 }; 00076 00077 } // namespace geos::operation::linemerge 00078 } // namespace geos::operation 00079 } // namespace geos 00080 00081 #endif // GEOS_OP_LINEMERGE_EDGESTRING_H 00082 00083 /********************************************************************** 00084 * $Log$ 00085 * Revision 1.1 2006/03/22 10:13:53 strk 00086 * opLinemerge.h split 00087 * 00088 **********************************************************************/