Application: gvSIG desktop » gvSIG raster

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2016 gvSIG Association

 *

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.wms.provider.legend;

import java.awt.Color;

import java.util.ArrayList;

import java.util.List;

import org.slf4j.LoggerFactory;

import org.gvsig.fmap.dal.raster.api.RasterStore;

import org.gvsig.raster.lib.legend.api.RasterLegendLocator;

import org.gvsig.raster.lib.legend.api.RasterLegendManager;

import org.gvsig.raster.lib.legend.api.colorinterpretation.ColorInterpretation;

import org.gvsig.raster.lib.legend.api.colortable.ColorTable;

import org.gvsig.raster.lib.legend.api.colortable.colortableclass.ColorTableClass;

import org.gvsig.wms.provider.WMSRasterProvider;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynClass;

import org.gvsig.tools.dynobject.DynMethod;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.dynobject.exception.DynMethodException;

import org.gvsig.tools.dynobject.exception.DynMethodNotSupportedException;

/**

 * Dynamic method to add a get Color Table funcionality

 * @author dmartinezizquierdo

 *

 */

public class WMSRasterGetColorTable implements DynMethod {

    final static private org.slf4j.Logger logger = LoggerFactory.getLogger(WMSRasterGetColorInterpretation.class);

    private static Integer code = null;

    static void register(DynClass storeClass) {

        if (code != null) {

            return;

        }

        code = ToolsLocator.getDynObjectManager()

                .registerDynMethod(storeClass, new WMSRasterGetColorTable());

    }

    @Override

    public int getCode() throws DynMethodNotSupportedException {

        return code;

    }

    @Override

    public String getDescription() {

        return "GoogleMaps Color Table";

    }

    @Override

    public String getName() {

        return RasterStore.DYNMETHOD_GETCOLORTABLE_NAME;

    }

    @Override

    public Object invoke(DynObject self, Object[] args)

        throws DynMethodException {

        RasterLegendManager rasterLegendManager = RasterLegendLocator.getRasterLegendManager();

        WMSRasterProvider provider = (WMSRasterProvider)self;

        ColorInterpretation colorInterpretation =(ColorInterpretation)provider.

            invokeDynMethod(RasterStore.DYNMETHOD_GETCOLORINTERPRETATION_NAME, null);

        if ( !( colorInterpretation.isBGR() || colorInterpretation.isRGB() || colorInterpretation.isRGBA() ) ){

            ColorTable colorTable;

            List<ColorTableClass> colorTableClasses=new ArrayList<ColorTableClass>();

            double[] minMax={0d,255d};

            Double increment=1.0;

            for (int i=0;i<=255;i++){

                String className=i+"";

                double value=((minMax[0]+(i*increment)));

                double interpolation=50.0;

                int intARGB = ((i & 0xFF) << 24) | // alpha

                    ((i & 0xFF) << 16) | // red

                    ((i & 0xFF) << 8) | // green

                    ((i & 0xFF) << 0); // blue

                Color color=new Color(intARGB);

                ColorTableClass colorTableClass = rasterLegendManager.createColorTableClass(className, value, interpolation, color);

                colorTableClasses.add(colorTableClass);

            }

            colorTable = rasterLegendManager.createColorTable(WMSRasterProvider.NAME+"_color_table",

                colorTableClasses, true);

            return colorTable;

        }

        return null;

    }

    @Override

    public Object clone() throws CloneNotSupportedException {

        return super.clone();

    }

}