gvsig-raster / libjni-potrace / trunk / libjni-potrace / src / main / java / org / gvsig / jpotrace / Potrace.java @ 1780
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1 | 1780 | nbrodin | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | */
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19 | package org.gvsig.jpotrace; |
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20 | /**
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21 | * La clase <code>Potrace</code> contiene los metodos que comunican la libreria
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22 | * nativa con Java
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23 | *
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24 | * @version 31/07/2008
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25 | * @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)
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26 | */
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27 | public class Potrace extends JNIBase { |
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28 | private static native double[] vectorizeBufferRasterNat(int[] bufferIn, int width, int height, String[] params); |
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29 | |||
30 | /**
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31 | * Vectoriza un buffer pasado por parametro y es devuelto en forma de array
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32 | * de doubles. Hay que especificar el ancho y alto del buffer y el buffer ha
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33 | * de ser pasado en el formato que soporta potrace, que es en forma de bits.
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34 | *
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35 | * El parametro params es un array de Strings como se usaria en el tipico
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36 | * main(char[]) para expresar los parametros de potrace, es una forma de poder
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37 | * aprovechar todos los parametros del comando potrace desde Java. Algunos
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38 | * no funcionan, como especificar el fichero origen o destino
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39 | *
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40 | * @param bufferIn
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41 | * @param width
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42 | * @param height
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43 | * @param params
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44 | * @return
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45 | * @throws PotraceException
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46 | */
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47 | public static double[] vectorizeBufferRaster(int[] bufferIn, int width, int height, String[] params) throws PotraceException { |
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48 | if (bufferIn == null) |
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49 | throw new PotraceException("El parametro Buffer no puede estar vacio"); |
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50 | |||
51 | if (width <= 0) |
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52 | throw new PotraceException("El ancho del buffer ha de ser mayor a 0"); |
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53 | |||
54 | if (height <= 0) |
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55 | throw new PotraceException("El alto del buffer ha de ser mayor a 0"); |
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56 | |||
57 | return vectorizeBufferRasterNat(bufferIn, width, height, params);
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58 | } |
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59 | } |