LineSegmentIndex.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2006 Refractions Research Inc.
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of the GNU Lesser General Licence as published
 * by the Free Software Foundation. 
 * See the COPYING file for more information.
 *
 **********************************************************************
 *
 * Last port: simplify/LineSegmentIndex.java rev. 1.1 (JTS-1.7.1)
 *
 **********************************************************************
 *
 * NOTES
 *
 **********************************************************************/
 
#ifndef GEOS_SIMPLIFY_LINESEGMENTINDEX_H
#define GEOS_SIMPLIFY_LINESEGMENTINDEX_H
 
#include <geos/export.h>
#include <vector>
#include <memory> // for auto_ptr
 
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
#endif
 
// Forward declarations
namespace geos {
        namespace geom {
                class Envelope;
                class LineSegment;
        }
        namespace simplify {
                class TaggedLineString;
        }
        namespace index {
                namespace quadtree {
                        class Quadtree;
                }
        }
}
 
namespace geos {
namespace simplify { // geos::simplify
 
class GEOS_DLL LineSegmentIndex {
 
public:
 
        LineSegmentIndex();
 
        ~LineSegmentIndex();
 
        void add(const TaggedLineString& line);
 
        void add(const geom::LineSegment* seg);
 
        void remove(const geom::LineSegment* seg);
 
        std::auto_ptr< std::vector<geom::LineSegment*> >
                        query(const geom::LineSegment* seg) const;
 
private:
 
        std::auto_ptr<index::quadtree::Quadtree> index;
 
        std::vector<geom::Envelope*> newEnvelopes;
        
        // Copying is turned off
        LineSegmentIndex(const LineSegmentIndex&);
        LineSegmentIndex& operator=(const LineSegmentIndex&);
};
 
} // namespace geos::simplify
} // namespace geos
 
#ifdef _MSC_VER
#pragma warning(pop)
#endif
 
#endif // GEOS_SIMPLIFY_LINESEGMENTINDEX_H