LinearGeometryBuilder.h

/**********************************************************************
 *
 * 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: linearref/LinearGeometryBuilder.java rev. 1.1
 *
 **********************************************************************/
 
#ifndef GEOS_LINEARREF_LINEARGEOMETRYBUILDER_H
#define GEOS_LINEARREF_LINEARGEOMETRYBUILDER_H
 
#include <geos/geom/Coordinate.h>
#include <geos/geom/CoordinateList.h>
#include <geos/geom/Geometry.h>
#include <geos/geom/GeometryFactory.h>
#include <geos/linearref/LinearLocation.h>
 
#include <vector>
 
namespace geos
{
namespace linearref   // geos::linearref
{

class LinearGeometryBuilder
{
private:
        const geom::GeometryFactory* geomFact;
 
        typedef std::vector<geom::Geometry *> GeomPtrVect;
 
        // Geometry elements owned by this class
        GeomPtrVect lines;
 
        bool ignoreInvalidLines;
        bool fixInvalidLines;
        geom::CoordinateSequence* coordList;
 
        geom::Coordinate lastPt;
 
public:
        LinearGeometryBuilder(const geom::GeometryFactory* geomFact);
 
        ~LinearGeometryBuilder();

        void setIgnoreInvalidLines(bool ignoreInvalidLines);

        void setFixInvalidLines(bool fixInvalidLines);

        void add(const geom::Coordinate& pt);

        void add(const geom::Coordinate& pt, bool allowRepeatedPoints);

        geom::Coordinate getLastCoordinate() const;

        void endLine();
 
        geom::Geometry *getGeometry();
};
 
} // namespace geos.linearref
} // namespace geos
 
#endif