| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2006 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.grid.filter.enhancement;

import org.gvsig.raster.driver.IBuffer;

public class LinearEnhancementFloatFilter extends LinearEnhancementFilter {

        public void pre() {

        super.pre();

        }

        public void process(int col, int line) {

                for (int iBand = 0; iBand < nbands; iBand ++) {

                float p = raster.getElemFloat(line, col, iBand);

            if (p > maxBandValue[iBand])

                p = (float)maxBandValue[iBand];

            else if (p < minBandValue[iBand])

                p = (float)minBandValue[iBand];

            int value = (int)(((int) (( p * scale[iBand]) + offset[iBand])) & 0xff);

            rasterResult.setElem(line, col, iBand, (byte)value);

        }

        }

        /*

         *  (non-Javadoc)

         * @see org.gvsig.fmap.grid.filter.IRasterFilter#getInRasterDataType()

         */

        public int getInRasterDataType() {

                return IBuffer.TYPE_FLOAT;

        }

        /*

         *  (non-Javadoc)

         * @see org.gvsig.fmap.grid.filter.IRasterFilter#post()

         */

    public void post() {

        }

}