| gvSIG desktop 1

/* 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.raster.filter.mask;

import java.util.ArrayList;

import org.gvsig.raster.dataset.Params;

import org.gvsig.raster.grid.filter.FilterTypeException;

import org.gvsig.raster.grid.filter.IRasterFilterListManager;

import org.gvsig.raster.grid.filter.RasterFilter;

import org.gvsig.raster.grid.filter.RasterFilterList;

import org.gvsig.raster.grid.filter.RasterFilterListManager;

import org.gvsig.raster.grid.filter.RegistrableFilterListener;

import org.gvsig.raster.util.extensionPoints.ExtensionPoint;

/**

 * Gestor de los filtros de mascara. Los filtros de m?scara generan una

 * capa enmascarando con regiones de inter?s. Las zonas fuera del ROI se

 * pondr?n a NoData.

 *

 * 14/03/2008

 * @author Nacho Brodin nachobrodin@gmail.com

 */

public class MaskListManager implements IRasterFilterListManager {

        protected RasterFilterList        filterList = null;

        /**

         * Constructor. Asigna la lista de filtros y el manager.

         * @param filterListManager

         */

        public MaskListManager(RasterFilterListManager filterListManager) {

                this.filterList = filterListManager.getFilterList();

        }

        /**

         * Registrar los manager en los puntos de extension

         */

        public static void register() {

                ExtensionPoint extensionPoint = ExtensionPoint.getExtensionPoint("RasterFilter");

                extensionPoint.register("Mask", MaskListManager.class);

        }

        /**

         * A?ade un filtro de m?scara

         * @param rois Lista de ROIs

         * @param noData Valor a asignar fuera de las ROI

         * @param inverse Inversa

         * @throws FilterTypeException

         */

        public void addMaskFilter(ArrayList rois, Double noData, Boolean inverse, Boolean transp) throws FilterTypeException {

                RasterFilter filter = new MaskByteFilter();

                //Cuando el filtro esta creado, tomamos los valores y lo a?adimos a la pila

                if (filter != null) {

                        filter.addParam("rois", rois);

                        filter.addParam("nodata", noData);

                        filter.addParam("inverse", inverse);

                        filter.addParam("transparency", transp);

                        filterList.add(filter);

                }

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.grid.filter.IRasterFilterListManager#getRasterFilterList()

         */

        public ArrayList getRasterFilterList() {

                ArrayList filters = new ArrayList();

                filters.add(MaskFilter.class);

                return filters;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.grid.filter.IRasterFilterListManager#addFilter(java.lang.Class, org.gvsig.raster.dataset.Params)

         */

        public void addFilter(Class classFilter, Params params) throws FilterTypeException {

                if (classFilter.equals(MaskFilter.class)) {

                        ArrayList rois = new ArrayList();

                        Boolean inverse = new Boolean(false);

                        Boolean transp = new Boolean(false);

                        Double nodata = new Double(-99999);

                        Params paramsUI = null;

                        for (int i = 0; i < params.getNumParams(); i++) {

                                if (params.getParam(i).id.equals("Panel") &&

                                        params.getParam(i).defaultValue instanceof RegistrableFilterListener) {

                                        paramsUI = ((RegistrableFilterListener) params.getParam(i).defaultValue).getParams();

                                }

                        }

                        if (paramsUI != null) {

                                for (int i = 0; i < paramsUI.getNumParams(); i++) {

                                        if (paramsUI.getParam(i).id.equals("rois"))

                                                rois = (ArrayList) paramsUI.getParam(i).defaultValue;

                                        if (paramsUI.getParam(i).id.equals("inverse"))

                                                inverse = (Boolean) paramsUI.getParam(i).defaultValue;

                                        if (paramsUI.getParam(i).id.equals("nodata"))

                                                nodata = (Double) paramsUI.getParam(i).defaultValue;

                                        if (paramsUI.getParam(i).id.equals("transparency"))

                                                transp = (Boolean) paramsUI.getParam(i).defaultValue;

                                }

                        }

                        addMaskFilter(rois, nodata, inverse, transp);

                }

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.grid.filter.IRasterFilterListManager#createFilterListFromStrings(java.util.ArrayList, java.lang.String, int)

         */

        public int createFilterListFromStrings(ArrayList filters, String fil, int filteri) throws FilterTypeException {

                return filteri;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.grid.filter.IRasterFilterListManager#getStringsFromFilterList(java.util.ArrayList, org.gvsig.raster.grid.filter.RasterFilter)

         */

        public ArrayList getStringsFromFilterList(ArrayList filterList, RasterFilter rf) {

                return filterList;

        }

}