/**
 * Copyright 2010-2013 Jingjing Li.
 *
 * This file is part of jplot2d.
 *
 * jplot2d 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, either version 3 of the
 * License, or any later version.
 *
 * jplot2d 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 Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with jplot2d. If not, see .
 */
package org.jplot2d.image;

import java.awt.Dimension;

import org.jplot2d.data.ImageDataBuffer;

/**
 * The limits calculator to produce the upper and lower limits according to the given ImageDataBuffer.
 * 
 * @author Jingjing Li
 * 
 */
public interface LimitsCalculator {

	/**
	 * Calculate cutting limits for the given ImageDataBuffers. If the given ImageDataBuffers contains no valid data,
	 * null is returned.
	 * 
	 * @param dbufArray
	 *            ImageDataBuffers for calculation
	 * @param sizeArray
	 *            the dimension of the given ImageDataBuffers
	 * @return low limit and high limit in a double array
	 */
	public double[] calcLimits(ImageDataBuffer[] dbufArray, Dimension[] sizeArray);

}