Application: gvSIG desktop » gvSIG raster

package org.gvsig.raster.impl.buffer;

import java.awt.Rectangle;

import org.gvsig.fmap.dal.DataQuery;

import org.gvsig.fmap.dal.coverage.dataset.Buffer;

import org.gvsig.fmap.dal.coverage.datastruct.BandList;

import org.gvsig.fmap.dal.coverage.datastruct.Extent;

import org.gvsig.fmap.dal.coverage.datastruct.NoData;

import org.gvsig.fmap.dal.coverage.exception.QueryException;

import org.gvsig.fmap.dal.coverage.store.RasterDataStore;

import org.gvsig.fmap.dal.coverage.store.RasterQuery;

import org.gvsig.raster.cache.tile.provider.CacheStruct;

import org.gvsig.raster.cache.tile.provider.TileListener;

import org.gvsig.timesupport.Time;

import org.gvsig.tools.task.TaskStatus;

/**

 * Raster query interface for providers. 

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

 */

public interface SpiRasterQuery extends DataQuery {

        public int getType();

        public int[] getDrawableBands();

        public boolean isSupersamplingOptionActive();

        public int getAlphaBandNumber();

        public NoData getNoDataValueToFill();

        public int getAdjustedX();

        public int getAdjustedY();

        public int getAdjustedWidth();

        public int getAdjustedHeight();

        /**

         * Gets the adjusted window of the request in pixel coordinates

         */

        public Rectangle getAdjustedRequestPxWindow();

        /**

         * Gets the window of the request in pixel coordinates

         */

         public Rectangle getRequestPxWindow();

        /**

          * Gets a bounding box of a request in world coordinates without adjust to the layer limits.

          */

         public Extent getRequestBoundingBox();

        /**

         * Gets a bounding box of a request in world coordinates adjusted to the bounding box of the source.

         */

        public Extent getAdjustedRequestBoundingBox();

        public int getBufWidth();

        public int getBufHeight();

        public int getAdjustedBufWidth();

        public int getAdjustedBufHeight();

        public TileListener getTileListener();

        public Time getTime();

        public int getTileRow();

        public int getTileCol();

        public int getResolutionLevel();

        /**

         * Gets the task status

         */

        public TaskStatus getTaskStatus();

        public boolean requestIsPixelCoordinates();

        public boolean requestIsInWorldCoordinates();

        public BandList getBandList();

        public void setBandList(BandList bandList);

        /**

         * Buffer loaded by the provider and created by the store

         * @return

         */

        public Buffer getBufferForProviders();

        /**

          * The buffer is always built by the <code>DataStore</code> but in some cases

          * it's necessary assign the result because the buffer has changed. In any case, It's 

          * advisable not to do it because the buffer for providers is replaced and next uses 

          * of this query would return an error.

          * @return

          */

        public void setBufferResult(Buffer buffer);

        public CacheStruct getCacheStruct();

        public void setCacheStruct(CacheStruct cacheStruct);

        public boolean requestIsTiled();

         /**

          * The buffer won't be built internally when all parameters will be calculated.

          * Uses this call carefully. The provider must know that <code>getBufferForProviders</code>

          * will return null.

          */

        public void dontBuildBuffer();

        public Buffer createBuffer(RasterDataStore store) throws QueryException;

        public RasterQuery clone();

}