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.impl.grid.filter.convolution;

import java.util.ArrayList;

import java.util.List;

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

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

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

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

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

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

import org.gvsig.raster.impl.datastruct.Kernel;

import org.gvsig.raster.impl.grid.filter.RasterFilterListManagerImpl;

import org.gvsig.raster.impl.store.ParamImpl;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

/**

 * Gestion  de la lista de filtros

 */

public class ConvolutionListManager implements RasterFilterListManager {

        protected RasterFilterList filterList = null;

        /**

         * Registra ConvolutionListManager en los puntos de extension de RasterFilter

         */

        public static void register() {

                ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager();

                ExtensionPoint point = extensionPoints.get("RasterFilter");

                point.append("Convolucion", "", ConvolutionListManager.class);

        }

        public Class<?> getFilterClassByID(String id) {

                if( id.compareTo("media") == 0 ||

                        id.compareTo("pasobajo") == 0 ||

                        id.compareTo("sharpen") == 0 ||

                        id.compareTo("gauss") == 0 ||

                        id.compareTo("personalizado") == 0)

                        return ConvolutionFilter.class;

                return null;

        }

        /**

         * Default constructor. Sets the filter list.

         * @param filterList

         */

        public ConvolutionListManager(RasterFilterList filterList) {

                this.filterList = filterList;

        }

        public ConvolutionListManager(RasterFilterListManagerImpl filterListManager) {

                this.filterList = filterListManager.getFilterList();

        }

        /**

         * A?ade un filtro de convolucion  a la pila de filtros.

         * @param ladoVentana

         * @throws FilterTypeException

         */

        public void addConvolutionFilter(String Name,int ladoVentana, double agudeza, Kernel kernel) throws FilterTypeException {

                RasterFilter filter = new ConvolutionByteFilter();

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

                if (filter != null) {

                        filter.addParam("ladoVentana", Integer.valueOf(ladoVentana));

                        filter.addParam("Agudeza", Double.valueOf(agudeza));

                        filter.addParam("filterName", String.valueOf(Name));

                        filter.addParam("kernel", kernel);

                        filterList.add(filter);

                }

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.grid.RasterFilterListManager#getStringsFromFilterList(java.util.ArrayList, org.gvsig.fmap.dal.coverage.grid.RasterFilter)

         */

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

                if (rf instanceof ConvolutionFilter) {

                        filterList.add("filter.convolution.active=true");

                        ConvolutionFilter convolutionFilter = (ConvolutionFilter) rf;

                        switch (convolutionFilter.ladoVentana) {

                                case 0:

                                        filterList.add("filter.convolution.ladoVentana=3");

                                        break;

                                case 1:

                                        filterList.add("filter.convolution.ladoVentana=5");

                                        break;

                                case 2:

                                        filterList.add("filter.convolution.ladoVentana=7");

                                        break;

                        }

                        filterList.add("filter.convolution.filterName=" + convolutionFilter.getName());

                        if (convolutionFilter.getName().equals("personalizado")) {

                                double[][] listDouble = convolutionFilter.kernel.kernel;

                                String listString = "";

                                for (int i = 0; i < listDouble.length; i++)

                                        for (int j = 0; j < listDouble[0].length; j++)

                                                listString = listString + listDouble[i][j] + " ";

                                listString = listString.trim();

                                filterList.add("filter.convolution.kernel=" + listString);

                        }

                }

                return filterList;

        }

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

                if (ConvolutionFilter.class.isAssignableFrom(classFilter)) {

                        int ladoVentana = 0;

                        double agudeza = 0;

                        Kernel kernel = null;

                        String name = "";

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

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

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

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

                                        break;

                                }

                        }

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

                                if (((ParamImpl)params.getParam(i)).getId().equals("LadoVentana") &&

                                                ((ParamImpl)params.getParam(i)).getDefaultValue() instanceof Integer)

                                        ladoVentana = ((Integer) ((ParamImpl)params.getParam(i)).getDefaultValue()).intValue();

                                if (((ParamImpl)params.getParam(i)).getId().equals("FilterName")) {

                                        Object obj = ((ParamImpl)params.getParam(i)).getDefaultValue();

                                        if(obj != null)

                                                name = new String((String) ((ParamImpl)params.getParam(i)).getDefaultValue());

                                }

                                if (((ParamImpl)params.getParam(i)).getId().equals("Kernel") &&

                                                ((ParamImpl)params.getParam(i)).getDefaultValue() instanceof Kernel)

                                        kernel = (Kernel) ((ParamImpl)params.getParam(i)).getDefaultValue();

                                if (((ParamImpl)params.getParam(i)).getId().equals("Agudeza") &&

                                                ((ParamImpl)params.getParam(i)).getDefaultValue() instanceof Double)

                                        agudeza = ((Double) ((ParamImpl)params.getParam(i)).getDefaultValue()).doubleValue();

                        }

                        addConvolutionFilter(name, ladoVentana, agudeza, kernel);

                }

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.grid.RasterFilterListManager#addFilter(org.gvsig.fmap.dal.coverage.datastruct.Params)

         */

        public void addFilter(Params params) throws FilterTypeException {

                addFilter(ConvolutionFilter.class, params);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.grid.RasterFilterListManager#createFilter(org.gvsig.fmap.dal.coverage.datastruct.Params)

         */

        public RasterFilter createFilter(Params params) {

                Integer ladoVentana = ((Integer) params.getParamById("LadoVentana").getDefaultValue());

                String name = ((String) params.getParamById("FilterName").getDefaultValue());

                Kernel kernel = ((Kernel) params.getParamById("Kernel").getDefaultValue());

                Double agudeza = ((Double) params.getParamById("Agudeza").getDefaultValue());

                RasterFilter filter = new ConvolutionByteFilter();

                filter.addParam("LadoVentana", ladoVentana);

                filter.addParam("Agudeza", agudeza);

                filter.addParam("filterName", name);

                filter.addParam("kernel", kernel);

                return filter;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.grid.RasterFilterListManager#createFilterListFromStrings(java.util.ArrayList, java.lang.String, int)

         */

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

                if ((fil.startsWith("filter.convolution.active")) && (RasterFilterListManagerImpl.getValue(fil).equals("true"))) {

                        int ladoVentana = 0;

                        double agudeza = 0;

                        String name = "";

                        Kernel kernel = null;

                        filters.remove(0);

                        for (int prop = 0; prop < filters.size(); prop++) {

                                String elem = (String) filters.get(prop);

                                if (elem.startsWith("filter.convolution.ladoVentana")) {

                                        ladoVentana = Integer.parseInt(RasterFilterListManagerImpl.getValue(elem));

                                        ladoVentana = (ladoVentana == 7) ? 2 : (ladoVentana == 5) ? 1 : 0;

                                        filters.remove(prop);

                                        prop--;

                                }

                                if (elem.startsWith("filter.convolution.filterName")) {

                                        name = RasterFilterListManagerImpl.getValue(elem);

                                        filters.remove(prop);

                                        prop--;

                                }

                                if (elem.startsWith("filter.convolution.kernel")) {

                                        String k = RasterFilterListManagerImpl.getValue(elem);

                                        String[] listString = k.split(" ");

                                        if (listString != null) {

                                                int lado = (ladoVentana == 0) ? 3 : (ladoVentana == 1) ? 5 : 7;

                                                double[][] listDouble = new double[lado][lado];

                                                int cont = 0;

                                                for (int i = 0; i < lado; i++) {

                                                        for (int j = 0; j < lado; j++) {

                                                                try {

                                                                        listDouble[i][j] = Double.parseDouble(listString[cont]);

                                                                        cont++;

                                                                } catch (NumberFormatException e) {

                                                                }

                                                        }

                                                }

                                                kernel = new Kernel(listDouble);

                                        }

                                        filters.remove(prop);

                                        prop--;

                                }

                                if (elem.startsWith("filter.convolution.agudeza")) {

                                        agudeza = Double.parseDouble(RasterFilterListManagerImpl.getValue(elem));

                                        filters.remove(prop);

                                        prop--;

                                }

                        }

                        addConvolutionFilter(name, ladoVentana, agudeza, kernel);

                }

                return filteri;

        }

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

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

                filters.add(ConvolutionFilter.class);

                return filters;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.grid.RasterFilterListManager#getFilterList()

         */

        public RasterFilterList getFilterList() {

                return filterList;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.dal.coverage.grid.RasterFilterListManager#setFilterList(org.gvsig.fmap.dal.coverage.grid.RasterFilterList)

         */

        public void setFilterList(RasterFilterList filterList) {

                this.filterList = filterList;

        }

}