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.band;

import org.gvsig.fmap.dal.coverage.dataset.Buffer;

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

import org.gvsig.fmap.dal.coverage.grid.filter.BaseRasterFilter;

import org.gvsig.raster.impl.DefaultRasterManager;

import org.gvsig.raster.impl.buffer.RasterBuffer;

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

import org.gvsig.raster.util.DefaultColorConversion;

/**

 * <P>

 * Clase base para el filtro de Tono, Saturaci?n y Brillo

 * </P>

 *

 * @version 04/12/2007

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class ToLumSaFilter extends BaseRasterFilter {

        protected Buffer          rasterAlpha      = null;

        public static String[]     names            = new String[] { "tolumsa" };

        protected DefaultColorConversion  colorConversion  = null;

        protected int              out              = Buffer.TYPE_BYTE;

        protected double           hue              = 0;

        protected double           luminosity       = 0;

        protected double           saturation       = 0;

        protected int[]            renderBands      = null;

        /**

         * Constructor

         */

        public ToLumSaFilter() {

                super();

                setName(names[0]);

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.grid.filter.RasterFilter#pre()

         */

        public void pre() {

                exec = true;

                raster = (RasterBuffer) params.get("raster");

                int[] rb = (int[]) params.get("renderBands");

                switch (raster.getBandCount()) {

                case 1:renderBands = new int[]{0, 0, 0}; break;

                case 2:renderBands = rb; break;

                case 3:renderBands = new int[]{0, 1, 2}; break;

                }

                //Mantenemos los valores de -1 ya que esas bandas no se procesan

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

                        if(rb[i] == -1)

                                renderBands[i] = -1;

                if(raster.getDataType() != Buffer.TYPE_BYTE) {

                        exec = false;

                        raster = rasterResult;

                        return;

                }

                if(params.get("hue") != null)

                        hue = ((Double) params.get("hue")).doubleValue();

                if(params.get("luminosity") != null)

                        luminosity = ((Double) params.get("luminosity")).doubleValue();

                if(params.get("saturation") != null)

                        saturation = ((Double) params.get("saturation")).doubleValue();

                if(raster != null) {

                        height = raster.getHeight();

                        width = raster.getWidth();

                        rasterResult = DefaultRasterManager.getInstance().createBuffer(Buffer.TYPE_BYTE, raster.getWidth(), raster.getHeight(), 3, true);

                }

                if(colorConversion == null)

                        colorConversion = new DefaultColorConversion();

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.grid.filter.RasterFilter#getGroup()

         */

        public String getGroup() {

                return "colores";

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.grid.filter.RasterFilter#getNames()

         */

        public String[] getNames() {

                return names;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.grid.filter.RasterFilter#getResult(java.lang.String)

         */

        public Object getResult(String name) {

                if (name.equals("raster"))

                        return (Object) this.rasterResult;

                return null;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.grid.filter.RasterFilter#getUIParams(java.lang.String)

         */

        public Params getUIParams(String nameFilter) {

                Params params = new ParamsImpl();

                params.setParam("hue",

                                new Double(hue),

                                Params.SLIDER,

                                new String[]{ "-180", "180", "0", "10", "50"}); //min, max, valor defecto, intervalo peque?o, intervalo grande;

                params.setParam("luminosity",

                                new Double(luminosity),

                                Params.SLIDER,

                                new String[]{ "-100", "100", "0", "10", "50"}); //min, max, valor defecto, intervalo peque?o, intervalo grande;

                params.setParam("saturation",

                                new Double(saturation),

                                Params.SLIDER,

                                new String[]{ "-100", "100", "0", "10", "50"}); //min, max, valor defecto, intervalo peque?o, intervalo grande;

                return params;

        }

        public void post() {

        }

        public void process(int x, int y) {

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.grid.filter.RasterFilter#getOutRasterDataType()

         */

        public int getOutRasterDataType() {

                return Buffer.TYPE_BYTE;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.grid.filter.RasterFilter#isVisible()

         */

        public boolean isVisible() {

                //IRasterDataSource datasource = (IRasterDataSource)getEnv().get("MultiRasterDataset");

                //return (datasource != null && datasource.getBandCount() >= 3);

                return true;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.grid.filter.RasterFilter#getInRasterDataType()

         */

        public int getInRasterDataType() {

                return Buffer.TYPE_BYTE;

        }

}