SweepLineOverlapAction.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 #ifndef GEOS_INDEX_SWEEPLINE_SWEEPLINEOVERLAPACTION_H
00016 #define GEOS_INDEX_SWEEPLINE_SWEEPLINEOVERLAPACTION_H
00017 
00018 #include <geos/export.h>
00019 
00020 // Forward declarations
00021 namespace geos {
00022         namespace index { 
00023                 namespace sweepline {
00024                         class SweepLineInterval;
00025                 }
00026         }
00027 }
00028 
00029 namespace geos {
00030 namespace index { // geos.index
00031 namespace sweepline { // geos:index:sweepline
00032 
00033 class GEOS_DLL SweepLineOverlapAction {
00034 public:
00035         virtual void overlap(SweepLineInterval *s0,SweepLineInterval *s1)=0;
00036 
00037         virtual ~SweepLineOverlapAction() {}
00038 };
00039 
00040 
00041 } // namespace geos:index:sweepline
00042 } // namespace geos:index
00043 } // namespace geos
00044 
00045 #endif // GEOS_INDEX_SWEEPLINE_SWEEPLINEOVERLAPACTION_H

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