/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * 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.
 *
 **********************************************************************
 *
 * Last port: geomgraph/index/MonotoneChain.java rev. 1.3 (JTS-1.7)
 *
 **********************************************************************/

#ifndef GEOS_GEOMGRAPH_INDEX_MONOTONECHAIN_H
#define GEOS_GEOMGRAPH_INDEX_MONOTONECHAIN_H


#include <geos/export.h>
#include <geos/geomgraph/index/SweepLineEventObj.h> // for inheritance
#include <geos/geomgraph/index/MonotoneChainEdge.h> // for inline

// Forward declarations
namespace geos {
	namespace geomgraph {
		namespace index {
			class SegmentIntersector;
		}
	}
}

namespace geos {
namespace geomgraph { // geos::geomgraph
namespace index { // geos::geomgraph::index

/**
 * A chain in a MonotoneChainEdge
 */
class GEOS_DLL MonotoneChain: public SweepLineEventOBJ {
private:
	MonotoneChainEdge *mce;
	int chainIndex;

public:

	MonotoneChain(MonotoneChainEdge *newMce, int newChainIndex):
		mce(newMce),
		chainIndex(newChainIndex)
	{}

	~MonotoneChain() {}

	void computeIntersections(MonotoneChain *mc,SegmentIntersector *si) {
		mce->computeIntersectsForChain(chainIndex,*(mc->mce),mc->chainIndex,*si);
	}
};




} // namespace geos.geomgraph.index
} // namespace geos.geomgraph
} // namespace geos

#endif