Application: gvSIG desktop » gvSIG raster

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 */

package org.gvsig.jpotrace;

/**

 * La clase <code>Potrace</code> contiene los metodos que comunican la libreria

 * nativa con Java

 *  

 * @version 31/07/2008

 * @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)

 */

public class Potrace extends JNIBase {

        private static native double[] vectorizeBufferRasterNat(int[] bufferIn, int width, int height, String[] params);

        /**

         * Vectoriza un buffer pasado por parametro y es devuelto en forma de array

         * de doubles. Hay que especificar el ancho y alto del buffer y el buffer ha

         * de ser pasado en el formato que soporta potrace, que es en forma de bits.

         * 

         * El parametro params es un array de Strings como se usaria en el tipico

         * main(char[]) para expresar los parametros de potrace, es una forma de poder

         * aprovechar todos los parametros del comando potrace desde Java. Algunos 

         * no funcionan, como especificar el fichero origen o destino

         * 

         * @param bufferIn

         * @param width

         * @param height

         * @param params

         * @return

         * @throws PotraceException

         */

        public static double[] vectorizeBufferRaster(int[] bufferIn, int width, int height, String[] params) throws PotraceException {

                if (bufferIn == null)

                        throw new PotraceException("El parametro Buffer no puede estar vacio");

                if (width <= 0)

                        throw new PotraceException("El ancho del buffer ha de ser mayor a 0");

                if (height <= 0)

                        throw new PotraceException("El alto del buffer ha de ser mayor a 0");

                return vectorizeBufferRasterNat(bufferIn, width, height, params);

        }

}