CoordinateSequenceFilter.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2009  Sandro Santilli <strk@keybit.net>
 *
 * 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