/* * @(#)Locator.java * * Copyright (c) 1996-2010 The authors and contributors of JHotDraw. * You may not use, copy or modify this file, except in compliance with the * accompanying license terms. */ package org.jhotdraw.draw.locator; import org.jhotdraw.draw.*; import java.awt.geom.*; /** * A <em>locator</em> encapsulates a strategy for locating a point on a * {@link Figure}. * * <hr> * <b>Design Patterns</b> * * <p><em>Strategy</em><br> * {@code Locator} encapsulates a strategy for locating a point on a * {@code Figure}.<br> * Strategy: {@link Locator}; Context: {@link Figure}. * <hr> * * @author Werner Randelshofer * @version $Id$ */ public interface Locator { /** * Locates a position on the provided figure. * @return a point on the figure. */ public Point2D.Double locate(Figure owner); /** * Locates a position on the provided figure relative to the dependent * figure. * @return a point on the figure. */ public Point2D.Double locate(Figure owner, Figure dependent); }