Application: gvSIG desktop » gvSIG raster

package org.gvsig.raster.cache.buffer.impl.memory;

import org.gvsig.raster.cache.buffer.Buffer;

/**

 * This class represent a byte band loaded in memory.

 * 

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

 */

public class ByteBand extends MemoryBand {

        public byte[][]         buf = null;

        public ByteBand(int width, int height, int nBand, boolean malloc) {

                super(width, height, nBand);

                this.setDataType(Buffer.TYPE_BYTE);

                if(malloc)

                        buf = new byte[height][width];

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.buffer.RasterBand#assign(byte)

         */

        public void assign(byte value) {

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

                        for (int j = 0; j < buf[i].length; j++) {

                                buf[i][j] = value;

                        }

                }                

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.buffer.RasterBand#getByteBlock(int)

         */

        public byte[][] getByteBlock(int block) {

                return buf;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.buffer.memory.RasterMemoryBand#setByteBlock(byte[][], int)

         */

        public void setByteBlock(byte[][] data, int block) {

                this.buf = data;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.buffer.RasterBand#getByteLine(int)

         */

        public byte[] getByteLine(int line) {

                return buf[line];

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.buffer.RasterBand#getElemByte(int, int)

         */

        public byte getElemByte(int line, int col) {

                return buf[line][col];

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.buffer.RasterBand#setByteLine(byte[], int)

         */

        public void setByteLine(byte[] data, int line) {

                buf[line] = data;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.raster.buffer.RasterBand#setElem(int, int, byte)

         */

        public void setElem(int line, int col, byte data) {

                buf[line][col] = data;

        }

        /*

         * (non-Javadoc)

         * @see org.fv.raster.buffer.memory.MemoryBand#free()

         */

        public void free() {

                buf = null;

        }

        /*

         * (non-Javadoc)

         * @see org.fv.raster.buffer.memory.MemoryBand#clone()

         */

        public MemoryBand clone() {

                if(buf == null)

                        return new ByteBand(getWidth(), getHeight(), getBandNumber(), false);

                ByteBand bb = new ByteBand(getWidth(), getHeight(), getBandNumber(), true);

                for(int row = 0; row < buf.length; row ++) {

                        for(int col = 0; col < buf[0].length; col ++) {

                                bb.setElem(row, col, buf[row][col]);

                        }

                }                

                return bb;

        }

}