Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.raster.tools.app.basic.tool.filter.mask;

import java.util.ArrayList;

import java.util.List;

import org.gvsig.fmap.dal.coverage.RasterLocator;

import org.gvsig.fmap.dal.coverage.datastruct.NoData;

import org.gvsig.fmap.dal.coverage.datastruct.Params;

import org.gvsig.fmap.dal.coverage.exception.FilterTypeException;

import org.gvsig.fmap.dal.coverage.grid.AbstractRasterFilterManager;

import org.gvsig.fmap.dal.coverage.grid.RasterFilter;

import org.gvsig.fmap.dal.coverage.grid.RasterFilterList;

import org.gvsig.fmap.dal.coverage.grid.RegistrableFilterListener;

import org.gvsig.raster.roi.ROI;

/**

 * 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.

 *

 * @author Nacho Brodin nachobrodin@gmail.com

 */

public class MaskListManager extends AbstractRasterFilterManager {

        private static String   ID = "Mask";

        /**

         * Default constructor. Sets the filter list.

         * @param filterList

         */

        public MaskListManager(RasterFilterList filterList) {

                super(filterList);

        }

        public String getManagerID() {

                return ID;

        }

        public static void register() {

                AbstractRasterFilterManager.register(ID, MaskListManager.class);

        }

        public boolean isDataTypeSupported(int dataType) {

                return true;

        }

        public Class<?> getFilterClassByID(String id) {

                if( id.compareTo("mask") == 0)

                        return MaskFilter.class;

                return null;

        }

        /**

         * 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(List<ROI> rois, NoData 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);

                        getFilterList().add(filter);

                }

        }

        public List<Class<?>> getRasterFilterList() {

                List<Class<?>> filters = new ArrayList<Class<?>>();

                filters.add(MaskFilter.class);

                return filters;

        }

        @SuppressWarnings("unchecked")

        public RasterFilter createFilter(Params params) {

                ArrayList<ROI> rois = ((ArrayList<ROI>) params.getParamById("rois").getDefaultValue());

                NoData nodata = ((NoData) params.getParamById("nodata").getDefaultValue());

                Boolean inverse = ((Boolean) params.getParamById("inverse").getDefaultValue());

                Boolean transparency = ((Boolean) params.getParamById("transparency").getDefaultValue());

                RasterFilter filter = new MaskByteFilter();

                filter.addParam("rois", rois);

                filter.addParam("inverse", inverse);

                filter.addParam("transparency", transparency);

                filter.addParam("nodata", nodata);

                return filter;

        }

        public void addFilter(Params params) throws FilterTypeException {

                addFilter(MaskFilter.class, params);

        }

        @SuppressWarnings("unchecked")

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

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

                        ArrayList<ROI> rois = new ArrayList<ROI>();

                        Boolean inverse = new Boolean(false);

                        Boolean transp = new Boolean(false);

                        NoData nodata = RasterLocator.getManager().getDataStructFactory().createNoData(null, null, null, 1);

                        Params paramsUI = null;

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

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

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

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

                                }

                        }

                        if (paramsUI != null) {

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

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

                                                rois = (ArrayList<ROI>) paramsUI.getParam(i).getDefaultValue();

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

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

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

                                                nodata = (NoData) paramsUI.getParam(i).getDefaultValue();

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

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

                                }

                        }

                        addMaskFilter(rois, nodata, inverse, transp);

                }

        }

        public int createFilterListFromStrings(List<String> filters, String fil, int filteri) throws FilterTypeException {

                return filteri;

        }

        public List<String> getStringsFromFilterList(List<String> filterList, RasterFilter rf) {

                return filterList;

        }

}