/**********************************************************************

 *

 * 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: precision/SimpleGeometryPrecisionReducer.cpp rev. 1.10 (JTS-1.7)

 *

 **********************************************************************/

#include <geos/geom/Coordinate.h>

#include <geos/geom/CoordinateSequence.h>

#include <geos/geom/GeometryFactory.h>

#include <geos/geom/LineString.h>

#include <geos/geom/LinearRing.h>

#include <geos/geom/PrecisionModel.h>

#include <geos/precision/PointwisePrecisionReducerTransformer.h>

#include <geos/util.h>

using namespace geos::geom;

using namespace geos::geom::util;

namespace geos {

namespace precision { // geos.precision

/* public static */

std::unique_ptr<Geometry>

PointwisePrecisionReducerTransformer::reduce(const Geometry& geom, const PrecisionModel& targetPM)

{

    PointwisePrecisionReducerTransformer trans(targetPM);

    return trans.transform(&geom);

}

/* protected */

std::unique_ptr<CoordinateSequence>

PointwisePrecisionReducerTransformer::transformCoordinates(const CoordinateSequence* coords, const Geometry* parent)

{

    (void)(parent); // ignore unused variable

    if (coords->isEmpty()) {

        return detail::make_unique<CoordinateSequence>(0u, coords->getDimension());

    }

    return reducePointwise(coords);

}

/* private */

std::unique_ptr<CoordinateSequence>

PointwisePrecisionReducerTransformer::reducePointwise(const CoordinateSequence* coordinates)

{

    auto coordReduce = detail::make_unique<CoordinateSequence>();

    coordReduce->reserve(coordinates->size());

    // copy coordinates and reduce

    coordinates->forEach<Coordinate>([&coordReduce, this](Coordinate coord) {

        targetPM.makePrecise(coord);

        coordReduce->add(coord);

    });

    return coordReduce;

}

} // namespace geos.precision

} // namespace geos