/usr/include/geos/geomgraph/index/SweepLineEvent.h is in libgeos-dev 3.2.2-3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* $Id: SweepLineEvent.h 2556 2009-06-06 22:22:28Z strk $
*
* GEOS - Geometry Engine Open Source
* http://geos.refractions.net
*
* Copyright (C) 2005-2006 Refractions Research Inc.
* Copyright (C) 2001-2002 Vivid Solutions Inc.
*
* This is free software; you can redistribute and/or modify it under
* the terms of the GNU Lesser General Public Licence as published
* by the Free Software Foundation.
* See the COPYING file for more information.
*
**********************************************************************/
#ifndef GEOS_GEOMGRAPH_INDEX_SWEEPLINEEVENT_H
#define GEOS_GEOMGRAPH_INDEX_SWEEPLINEEVENT_H
#include <geos/export.h>
#include <string>
// Forward declarations
namespace geos {
namespace geomgraph {
namespace index {
class SweepLineEventOBJ;
}
}
}
namespace geos {
namespace geomgraph { // geos::geomgraph
namespace index { // geos::geomgraph::index
//class SweepLineEventLessThen; // needed ??
class GEOS_DLL SweepLineEvent{
friend class SweepLineEventLessThen;
public:
enum {
INSERT_EVENT = 1,
DELETE_EVENT
};
SweepLineEvent(void* newEdgeSet, double x,
SweepLineEvent *newInsertEvent,
SweepLineEventOBJ *newObj);
virtual ~SweepLineEvent();
bool isInsert() { return insertEvent==NULL; }
bool isDelete() { return insertEvent!=NULL; }
SweepLineEvent* getInsertEvent() { return insertEvent; }
int getDeleteEventIndex() { return deleteEventIndex; }
void setDeleteEventIndex(int newDeleteEventIndex) {
deleteEventIndex=newDeleteEventIndex;
}
SweepLineEventOBJ* getObject() const { return obj; }
int compareTo(SweepLineEvent *sle);
std::string print();
void* edgeSet; // used for red-blue intersection detection
protected:
SweepLineEventOBJ* obj;
private:
double xValue;
int eventType;
SweepLineEvent *insertEvent; // null if this is an INSERT_EVENT event
int deleteEventIndex;
};
class GEOS_DLL SweepLineEventLessThen {
public:
bool operator()(const SweepLineEvent *f, const SweepLineEvent *s) const
{
if (f->xValue<s->xValue) return true;
if (f->xValue>s->xValue) return false;
if (f->eventType<s->eventType) return true;
return false;
}
};
} // namespace geos.geomgraph.index
} // namespace geos.geomgraph
} // namespace geos
#endif
/**********************************************************************
* $Log$
* Revision 1.2 2006/03/15 17:17:42 strk
* Added missing forward declarations
*
* Revision 1.1 2006/03/14 12:55:56 strk
* Headers split: geomgraphindex.h, nodingSnapround.h
*
**********************************************************************/
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