/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 * 
 *    (C) 2008, Open Source Geospatial Foundation (OSGeo)
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation;
 *    version 2.1 of the License.
 *
 *    This library 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
 *    Lesser General Public License for more details.
 */
package org.geotools.utils;

import javax.media.jai.BorderExtender;
import javax.media.jai.Interpolation;
import javax.media.jai.JAI;

import org.geotools.coverage.processing.operation.FilteredSubsample;
import org.geotools.coverage.processing.operation.Scale;
import org.geotools.coverage.processing.operation.SubsampleAverage;

/**
 * 
 * @author Simone Giannecchini, GeoSolutions.
 * 
 *
 *
 *
 * @source $URL$
 */
public class CoverageToolsConstants {

	/**
	 * Default interpolation.
	 */
	public final static Interpolation DEFAULT_INTERPOLATION = Interpolation.getInstance(Interpolation.INTERP_NEAREST);
	/** Default filter for subsampling averaged. */
	public final static float[] DEFAULT_KERNEL_GAUSSIAN = new float[] { 0.5F,
			1.0F / 3.0F, 0.0F, -1.0F / 12.0F };
	/**
	 * Default border extender.
	 */
	public final static BorderExtender DEFAULT_BORDER_EXTENDER = BorderExtender
			.createInstance(BorderExtender.BORDER_COPY);
	public final static FilteredSubsample FILTERED_SUBSAMPLE_FACTORY = new FilteredSubsample();
	public static final SubsampleAverage SUBSAMPLE_AVERAGE_FACTORY = new SubsampleAverage();
	public static final Scale SCALE_FACTORY = new Scale();

	public static final int DEFAULT_INTERNAL_TILE_WIDTH = 512;
	public static final int DEFAULT_INTERNAL_TILE_HEIGHT = 512;
	
	public final static String DEFAULT_COMPRESSION_SCHEME="LZW";
	
	public final static float  DEFAULT_COMPRESSION_RATIO=0.75f;
	/**
	 * Default number of resolution steps.. 
	 */
	public static final int DEFAULT_RESOLUTION_STEPS = 5;
	
	       /** Tile width. */
	public static final int TILE_WIDTH = (int) JAI.getDefaultTileSize().getWidth();

        /** Tile height. */
	public static final  int TILE_HEIGHT = (int) JAI.getDefaultTileSize().getHeight();
        /**
         * Default tile cache size.
         */
        public static final long DEFAULT_TILE_CACHE_SIZE = 128 * 1024 * 1024;
        /**
         * Default imageio caching behaviour.
         */
        public final static boolean DEFAULT_IMAGEIO_CACHING_BEHAVIOUR = false;

}