Application: gvSIG desktop » gvSIG raster

/*

 * To change this license header, choose License Headers in Project Properties.

 * To change this template file, choose Tools | Templates

 * and open the template in the editor.

 */

package org.gvsig.mosaic;

import java.io.IOException;

import java.nio.Buffer;

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

import org.gvsig.mosaic.lib.api.MosaicFile;

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

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

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

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

/**

 *

 * @author osc

 */

public class MosaicPageManager implements BandTileManager {

    private final MosaicFile mosaic;

//    private final int rows;

//    private final int cols;

    private final int rowsPerTile;

    private final int columnsPerTile;

    private final int numBand;

    /**

     *

     * @param numBand

     * @param bandType

     * @param rows

     * @param cols

     */

    public MosaicPageManager(MosaicFile mosaic, int numBand, int bandType, int rowsPerTile, int columnsPerTile) {

        this.mosaic = mosaic;

        this.numBand = numBand;

        this.rowsPerTile = rowsPerTile;

        this.columnsPerTile = columnsPerTile;

    }

    /**

     *

     * @param row

     * @param col

     * @param dataType

     */

    @Override

    public Band load(int row, int col, int dataType) {

//        Envelope envelope = this.mosaic.getEnvelope(

//                col*columnsPerTile,

//                row*rowsPerTile,

//                columnsPerTile,

//                rowsPerTile

//        );

        Envelope envelope = this.mosaic.getEnvelope(

                col,

                row,

                columnsPerTile,

                rowsPerTile

        );

        Band band = this.mosaic.getBufferBand(envelope,this.numBand);

        return band;

        }

    @Override

    public void save(Buffer buffer, int row, int rows, int col, int cols, int dataType) throws IOException {

       // 

    }

    @Override

    public BandInfo getBandInfo() {

        return this.mosaic.getBandsInfo().get(this.numBand);

    }

    @Override

    public int getRowsPerTile() {

        return this.rowsPerTile;

    }

    @Override

    public int getColumnsPerTile() {

       return this.columnsPerTile;

    }

    @Override

    public TileStruct getTileStruct() {

        return null;

    }

    @Override

    public boolean isSupportedSave() {

        return false;

    }

    @Override

    public void dispose() {

        //throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.

    }

    private Envelope calculateEnvelopeForTile(int row, int col) {

        return null;

    }

}