CoordinateSequenceFilter.h

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/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2009  Sandro Santilli <strk@kbt.io>
 *
 * 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: geom/CoordinateSequenceFilter.java rev. 1.3 (JTS-1.9)
 *
 **********************************************************************/

#ifndef GEOS_GEOM_COORDINATESEQUENCEFILTER_H
#define GEOS_GEOM_COORDINATESEQUENCEFILTER_H

#include <geos/export.h>
#include <geos/inline.h>

#include <cassert>

// Forward declarations
namespace geos {
namespace geom {
class CoordinateSequence;
}
}

namespace geos {
namespace geom { // geos::geom

class GEOS_DLL CoordinateSequenceFilter {

public:

    virtual
    ~CoordinateSequenceFilter() {}

    virtual void
    filter_rw(CoordinateSequence& /*seq*/, std::size_t /*i*/)
    {
        assert(0);
    }

    virtual void
    filter_ro(const CoordinateSequence& /*seq*/, std::size_t /*i*/)
    {
        assert(0);
    }

    virtual bool isDone() const = 0;


    virtual bool isGeometryChanged() const = 0;

};

} // namespace geos::geom
} // namespace geos


#endif // ndef GEOS_GEOM_COORDINATESEQUENCEFILTER_H