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GraphComponent.h

00001 /**********************************************************************
00002  * $Id: GraphComponent.h 2557 2009-06-08 09:30:55Z strk $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2005-2006 Refractions Research Inc.
00008  * Copyright (C) 2001-2002 Vivid Solutions 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  * Last port: geomgraph/GraphComponent.java rev. 1.3 (JTS-1.10)
00018  *
00019  **********************************************************************/
00020 
00021 
00022 #ifndef GEOS_GEOMGRAPH_GRAPHCOMPONENT_H
00023 #define GEOS_GEOMGRAPH_GRAPHCOMPONENT_H
00024 
00025 #include <geos/export.h>
00026 #include <geos/inline.h>
00027 
00028 // Forward declarations
00029 namespace geos {
00030         namespace geom {
00031                 class IntersectionMatrix;
00032         }
00033         namespace geomgraph {
00034                 class Label;
00035         }
00036 }
00037 
00038 namespace geos {
00039 namespace geomgraph { // geos.geomgraph
00040 
00041 
00042 class GEOS_DLL GraphComponent {
00043 public:
00044         GraphComponent();
00045 
00046         /*
00047          * GraphComponent takes ownership of the given Label.
00048          * newLabel is deleted by destructor.
00049          */
00050         GraphComponent(Label* newLabel); 
00051         virtual ~GraphComponent();
00052         Label* getLabel();
00053         virtual void setLabel(Label* newLabel);
00054         virtual void setInResult(bool isInResult) { isInResultVar=isInResult; }
00055         virtual bool isInResult() const { return isInResultVar; }
00056         virtual void setCovered(bool isCovered);
00057         virtual bool isCovered() const { return isCoveredVar; }
00058         virtual bool isCoveredSet() const { return isCoveredSetVar; }
00059         virtual bool isVisited() const { return isVisitedVar; }
00060         virtual void setVisited(bool isVisited) { isVisitedVar = isVisited; }
00061         virtual bool isIsolated() const=0;
00062         virtual void updateIM(geom::IntersectionMatrix *im);
00063 protected:
00064         Label* label;
00065         virtual void computeIM(geom::IntersectionMatrix *im)=0;
00066 private:
00067         bool isInResultVar;
00068         bool isCoveredVar;
00069         bool isCoveredSetVar;
00070         bool isVisitedVar;
00071 };
00072 
00073 } // namespace geos.geomgraph
00074 } // namespace geos
00075 
00076 //#ifdef GEOS_INLINE
00077 //# include "geos/geomgraph/GraphComponent.inl"
00078 //#endif
00079 
00080 #endif // ifndef GEOS_GEOMGRAPH_GRAPHCOMPONENT_H
00081 
00082 /**********************************************************************
00083  * $Log$
00084  * Revision 1.2  2006/03/24 09:52:41  strk
00085  * USE_INLINE => GEOS_INLINE
00086  *
00087  * Revision 1.1  2006/03/09 16:46:49  strk
00088  * geos::geom namespace definition, first pass at headers split
00089  *
00090  **********************************************************************/
00091 

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