Application: gvSIG desktop

/* 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.cresques.io.data;

import org.cresques.io.IDataWriter;

/**

 * Sirve los datos desde un RasterBuf para el driver de escritura de bloques de 

 * cach?. La altura servida ser? igual a la del bloque de cache.

 * 

 * @author Nacho Brodin (brodin_ign@gva.es)

 */

public class WriterBufferServer implements IDataWriter{

        private RasterBuf                 buffer = null;

        public WriterBufferServer(RasterBuf buffer){

                this.buffer = buffer;

        }

        public int[] readARGBData(int sizeX, int sizeY, int nBand) {

                return null;

        }

        public byte[][] readByteData(int sizeX, int sizeY) {

                int len = buffer.getWidth() * buffer.getHeight();

                byte[][] b = new byte[buffer.getBandCount()][len];

                for(int iBand = 0; iBand < buffer.getBandCount(); iBand ++)

                        for(int j = 0; j < buffer.getHeight(); j ++)

                                for(int i = 0; i < buffer.getWidth(); i ++)

                                        b[iBand][j * buffer.getWidth() + i] = buffer.getElemByte(j, i, iBand);

                return b;

        }

        public short[][] readShortData(int sizeX, int sizeY) {

                int len = buffer.getWidth() * buffer.getHeight();

                short[][] b = new short[buffer.getBandCount()][len];

                for(int iBand = 0; iBand < buffer.getBandCount(); iBand ++)

                        for(int j = 0; j < buffer.getHeight(); j ++)

                                for(int i = 0; i < buffer.getWidth(); i ++)

                                        b[iBand][j * buffer.getWidth() + i] = buffer.getElemShort(j, i, iBand);

                return b;

        }

        public int[][] readIntData(int sizeX, int sizeY) {

                int len = buffer.getWidth() * buffer.getHeight();

                int[][] b = new int[buffer.getBandCount()][len];

                for(int iBand = 0; iBand < buffer.getBandCount(); iBand ++)

                        for(int j = 0; j < buffer.getHeight(); j ++)

                                for(int i = 0; i < buffer.getWidth(); i ++)

                                        b[iBand][j * buffer.getWidth() + i] = buffer.getElemInt(j, i, iBand);

                return b;

        }

        public float[][] readFloatData(int sizeX, int sizeY) {

                int len = buffer.getWidth() * buffer.getHeight();

                float[][] b = new float[buffer.getBandCount()][len];

                for(int iBand = 0; iBand < buffer.getBandCount(); iBand ++)

                        for(int j = 0; j < buffer.getHeight(); j ++)

                                for(int i = 0; i < buffer.getWidth(); i ++)

                                        b[iBand][j * buffer.getWidth() + i] = buffer.getElemFloat(j, i, iBand);

                return b;

        }

        public double[][] readDoubleData(int sizeX, int sizeY) {

                int len = buffer.getWidth() * buffer.getHeight();

                double[][] b = new double[buffer.getBandCount()][len];

                for(int iBand = 0; iBand < buffer.getBandCount(); iBand ++)

                        for(int j = 0; j < buffer.getHeight(); j ++)

                                for(int i = 0; i < buffer.getWidth(); i ++)

                                        b[iBand][j * buffer.getWidth() + i] = buffer.getElemDouble(j, i, iBand);

                return b;

        }        

}