GraphComponent.h

00001 /**********************************************************************
00002  * $Id: GraphComponent.h 1820 2006-09-06 16:54:23Z mloskot $
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 
00018 #ifndef GEOS_GEOMGRAPH_GRAPHCOMPONENT_H
00019 #define GEOS_GEOMGRAPH_GRAPHCOMPONENT_H
00020 
00021 #include <geos/inline.h>
00022 
00023 // Forward declarations
00024 namespace geos {
00025         namespace geom {
00026                 class IntersectionMatrix;
00027         }
00028         namespace geomgraph {
00029                 class Label;
00030         }
00031 }
00032 
00033 namespace geos {
00034 namespace geomgraph { // geos.geomgraph
00035 
00036 
00037 class GraphComponent {
00038 public:
00039         GraphComponent();
00040 
00041         /*
00042          * GraphComponent takes ownership of the given Label.
00043          * newLabel is deleted by destructor.
00044          */
00045         GraphComponent(Label* newLabel); 
00046         virtual ~GraphComponent();
00047         Label* getLabel();
00048         virtual void setLabel(Label* newLabel);
00049         virtual void setInResult(bool isInResult) { isInResultVar=isInResult; }
00050         virtual bool isInResult() const { return isInResultVar; }
00051         virtual void setCovered(bool isCovered);
00052         virtual bool isCovered() const { return isCoveredVar; }
00053         virtual bool isCoveredSet() const { return isCoveredSetVar; }
00054         virtual bool isVisited() const { return isVisitedVar; }
00055         virtual void setVisited(bool isVisited) { isVisitedVar = isVisited; }
00056         virtual bool isIsolated() const=0;
00057         virtual void updateIM(geom::IntersectionMatrix *im);
00058 protected:
00059         Label* label;
00060         virtual void computeIM(geom::IntersectionMatrix *im)=0;
00061 private:
00062         bool isInResultVar;
00063         bool isCoveredVar;
00064         bool isCoveredSetVar;
00065         bool isVisitedVar;
00066 };
00067 
00068 } // namespace geos.geomgraph
00069 } // namespace geos
00070 
00071 //#ifdef GEOS_INLINE
00072 //# include "geos/geomgraph/GraphComponent.inl"
00073 //#endif
00074 
00075 #endif // ifndef GEOS_GEOMGRAPH_GRAPHCOMPONENT_H
00076 
00077 /**********************************************************************
00078  * $Log$
00079  * Revision 1.2  2006/03/24 09:52:41  strk
00080  * USE_INLINE => GEOS_INLINE
00081  *
00082  * Revision 1.1  2006/03/09 16:46:49  strk
00083  * geos::geom namespace definition, first pass at headers split
00084  *
00085  **********************************************************************/
00086 

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