MinimalEdgeRing.h

00001 /**********************************************************************
00002  *
00003  * GEOS - Geometry Engine Open Source
00004  * http://geos.osgeo.org
00005  *
00006  * Copyright (C) 2006 Refractions Research Inc.
00007  *
00008  * This is free software; you can redistribute and/or modify it under
00009  * the terms of the GNU Lesser General Public Licence as published
00010  * by the Free Software Foundation. 
00011  * See the COPYING file for more information.
00012  *
00013  **********************************************************************
00014  *
00015  * Last port: operation/overlay/MinimalEdgeRing.java rev. 1.13 (JTS-1.10)
00016  *
00017  **********************************************************************/
00018 
00019 #ifndef GEOS_OP_OVERLAY_MINIMALEDGERING_H
00020 #define GEOS_OP_OVERLAY_MINIMALEDGERING_H
00021 
00022 #include <geos/export.h>
00023 
00024 #include <geos/geomgraph/EdgeRing.h> // for inheritance
00025 #include <geos/geomgraph/DirectedEdge.h> // for inlines
00026 
00027 #include <vector>
00028 
00029 #include <geos/inline.h>
00030 
00031 // Forward declarations
00032 namespace geos {
00033         namespace geom {
00034                 class GeometryFactory;
00035         }
00036         namespace geomgraph {
00037                 class DirectedEdge;
00038                 class EdgeRing;
00039         }
00040 }
00041 
00042 namespace geos {
00043 namespace operation { // geos::operation
00044 namespace overlay { // geos::operation::overlay
00045 
00056 class GEOS_DLL MinimalEdgeRing: public geomgraph::EdgeRing {
00057 
00058 public:
00059 
00060         // CGAlgorithms argument obsoleted
00061         MinimalEdgeRing(geomgraph::DirectedEdge *start,
00062                 const geom::GeometryFactory *geometryFactory);
00063 
00064         virtual ~MinimalEdgeRing();
00065 
00066         geomgraph::DirectedEdge* getNext(geomgraph::DirectedEdge *de);
00067 
00068         void setEdgeRing(geomgraph::DirectedEdge *de,
00069                         geomgraph::EdgeRing *er);
00070 };
00071 
00072 
00073 } // namespace geos::operation::overlay
00074 } // namespace geos::operation
00075 } // namespace geos
00076 
00077 #ifdef GEOS_INLINE
00078 #include <geos/operation/overlay/MinimalEdgeRing.inl>
00079 #endif
00080 
00081 #endif // ndef GEOS_OP_OVERLAY_MINIMALEDGERING_H

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