Application: gvSIG desktop

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2017 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.raster.lib.buffer.impl;

import org.gvsig.fmap.geom.primitive.Envelope;

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

/**

 * @author fdiaz

 *

 */

public class DefaultBufferDimensions implements BufferDimensions {

    protected int rows;

    protected int columns;

    protected Envelope envelope;

    private Double pixelSizeX = null;

    private Double pixelSizeY = null;

    /**

     * @param rows

     * @param columns

     * @param envelope

     */

    public DefaultBufferDimensions(int rows, int columns, Envelope envelope) {

        this.rows = rows;

        this.columns = columns;

        this.envelope = envelope;

    }

    /* (non-Javadoc)

     * @see org.gvsig.raster.lib.buffer.api.BufferDimensions#getRows()

     */

    @Override

    public int getRows() {

        return this.rows;

    }

    /* (non-Javadoc)

     * @see org.gvsig.raster.lib.buffer.api.BufferDimensions#getColumns()

     */

    @Override

    public int getColumns() {

        return this.columns;

    }

    /* (non-Javadoc)

     * @see org.gvsig.raster.lib.buffer.api.BufferDimensions#getPixelSizeX()

     */

    @Override

    public double getPixelSizeX(){

        if(pixelSizeX == null){

            pixelSizeX = this.getEnvelope().getLength(0)/this.getColumns();

        }

        return pixelSizeX.doubleValue();

    }

    /* (non-Javadoc)

     * @see org.gvsig.raster.lib.buffer.api.BufferDimensions#getPixelSizeY()

     */

    @Override

    public double getPixelSizeY(){

        if(pixelSizeY == null){

            pixelSizeY = this.getEnvelope().getLength(1)/this.getRows();

        }

        return pixelSizeY.doubleValue();

    }

    /* (non-Javadoc)

     * @see org.gvsig.raster.lib.buffer.api.BufferDimensions#getEnvelope()

     */

    @Override

    public Envelope getEnvelope() {

        return this.envelope;

    }

    /* (non-Javadoc)

     * @see org.gvsig.raster.lib.buffer.api.BufferDimensions#setRows(int)

     */

    @Override

    public void setRows(int rows) {

        this.rows = rows;

    }

    /* (non-Javadoc)

     * @see org.gvsig.raster.lib.buffer.api.BufferDimensions#setColumns(int)

     */

    @Override

    public void setColumns(int columns) {

        this.columns = columns;

    }

    /* (non-Javadoc)

     * @see org.gvsig.raster.lib.buffer.api.BufferDimensions#setEnvelope(org.gvsig.fmap.geom.primitive.Envelope)

     */

    @Override

    public void setEnvelope(Envelope envelope) {

        this.envelope = envelope;

    }

}