Application: gvSIG desktop » gvSIG raster

package org.gvsig.raster.lib.buffer.impl;

import org.gvsig.raster.lib.buffer.api.Band;

import org.gvsig.raster.lib.buffer.api.BufferManager;

import org.gvsig.raster.lib.buffer.api.NoData;

import org.gvsig.raster.lib.buffer.api.Band.BandByte;

/**

 * @author fdiaz

 *

 */

public class DefaultBandByte extends AbstractBand implements BandByte{

    byte[] data;

    /**

     * @param rows

     * @param columns

     */

    public DefaultBandByte(int rows, int columns) {

        this(rows, columns, null);

    }

    /**

     * @param rows

     * @param columns

     * @param noData

     */

    public DefaultBandByte(int rows, int columns, NoData noData) {

        this.rows = rows;

        this.columns = columns;

        data = new byte[rows*columns];

        this.noData = noData;

    }

    @Override

    public int getDataType() {

        return BufferManager.TYPE_BYTE;

    }

    @Override

    public Object get(int row, int column) {

        return getValue(row, column);

    }

    @Override

    public void set(int row, int column, Object value) {

        setValue(row, column, (byte)value);

    }

    @Override

    public void fill(Object value) {

        byte aux = (byte) getNoData().getValue();

        if(value != null){

            aux = (byte)value;

        }

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

            data[i] = aux;

        }

    }

    byte[] getData(){

        return data;

    }

    @Override

    public void copyFrom(Band source) {

        if(this.getColumns()!=source.getColumns() || this.getRows()!=source.getRows() || !(source instanceof DefaultBandByte)){

            //FIXME:

            throw new RuntimeException();

        }

        System.arraycopy(((DefaultBandByte)source).getData(), 0, this.data, 0, this.getRows()*this.getColumns());

    }

    @Override

    public byte getValue(int row, int column) {

        return data[row+column*getColumns()];

    }

    @Override

    public void setValue(int row, int column, byte value) {

        data[row+column*getColumns()] = value;

    }

    @Override

    public byte[] createRowBuffer() {

        return new byte[getColumns()];

    }

    @Override

    public void fetchRow(int row, Object rowBuffer) {

        System.arraycopy(data, row*getColumns(), (byte[])rowBuffer, 0, getColumns());

    }

    @Override

    public void putRow(int row, Object rowBuffer) {

        System.arraycopy((byte[])rowBuffer, 0, data, row*getColumns(), getColumns());

    }

}