org.geotools.geometry.jts.AbstractLiteIterator Maven / Gradle / Ivy

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/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation;
 *    version 2.1 of the License.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 */
package org.geotools.geometry.jts;

import java.awt.geom.PathIterator;

/**
 * Subclass that provides a convenient efficient currentSegment(float[] coords) implementation that
 * reuses always the same double array. This class and the associated subclasses are not thread
 * safe.
 *
 * @author Andrea Aime
 */
public abstract class AbstractLiteIterator implements PathIterator {

    protected double[] dcoords = new double[2];

    /** @see java.awt.geom.PathIterator#currentSegment(float[]) */
    public int currentSegment(float[] coords) {
        int result = currentSegment(dcoords);
        coords[0] = (float) dcoords[0];
        coords[1] = (float) dcoords[1];

        return result;
    }
}