content: // ===============================================================================
  // Authors: AFRL/RQQD
  // Organization: Air Force Research Laboratory, Aerospace Systems Directorate, Power and Control Division
  // 
  // Copyright (c) 2017 Government of the United State of America, as represented by
  // the Secretary of the Air Force.  No copyright is claimed in the United States under
  // Title 17, U.S. Code.  All Other Rights Reserved.
  // ===============================================================================
  
  /*
   * GRAL: GRAphing Library for Java(R)
   *
   * (C) Copyright 2009-2013 Erich Seifert <dev[at]erichseifert.de>,
   * Michael Seifert <mseifert[at]error-reports.org>
   *
   * This file is part of GRAL.
   *
   * GRAL 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
   * (at your option) any later version.
   *
   * GRAL 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.
   *
   * You should have received a copy of the GNU Lesser General Public License
   * along with GRAL.  If not, see <http://www.gnu.org/licenses/>.
   */
  package de.erichseifert.gral.graphics;
  
  import java.awt.geom.Dimension2D;
  import java.io.Serializable;
  
  /**
   * Interface that provides basic functions for arranging a layout.
   * Functionality includes the arrangement of components and returning the
   * preferred size of a specified container using this layout.
   */
  public interface Layout extends Serializable {
  
  	/**
  	 * Arranges the components of the specified container according to this
  	 * layout.
  	 * @param container Container to be laid out.
  	 */
  	void layout(Container container);
  
  	/**
  	 * Returns the preferred size of the specified container using this layout.
  	 * @param container Container whose preferred size is to be returned.
  	 * @return Preferred extent of the specified container.
  	 */
  	Dimension2D getPreferredSize(Container container);
  }
  