1 /* 2 * @(#)Stroke.java 1.22 03/12/19 3 * 4 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 5 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. 6 */ 7 8 package java.awt; 9 10 /** 11 * The <code>Stroke</code> interface allows a 12 * {@link Graphics2D} object to obtain a {@link Shape} that is the 13 * decorated outline, or stylistic representation of the outline, 14 * of the specified <code>Shape</code>. 15 * Stroking a <code>Shape</code> is like tracing its outline with a 16 * marking pen of the appropriate size and shape. 17 * The area where the pen would place ink is the area enclosed by the 18 * outline <code>Shape</code>. 19 * <p> 20 * The methods of the <code>Graphics2D</code> interface that use the 21 * outline <code>Shape</code> returned by a <code>Stroke</code> object 22 * include <code>draw</code> and any other methods that are 23 * implemented in terms of that method, such as 24 * <code>drawLine</code>, <code>drawRect</code>, 25 * <code>drawRoundRect</code>, <code>drawOval</code>, 26 * <code>drawArc</code>, <code>drawPolyline</code>, 27 * and <code>drawPolygon</code>. 28 * <p> 29 * The objects of the classes implementing <code>Stroke</code> 30 * must be read-only because <code>Graphics2D</code> does not 31 * clone these objects either when they are set as an attribute 32 * with the <code>setStroke</code> method or when the 33 * <code>Graphics2D</code> object is itself cloned. 34 * If a <code>Stroke</code> object is modified after it is set in 35 * the <code>Graphics2D</code> context then the behavior 36 * of subsequent rendering would be undefined. 37 * @see BasicStroke 38 * @see Graphics2D#setStroke 39 * @version 1.22, 12/19/03 40 */ 41 public interface Stroke { 42 /** 43 * Returns an outline <code>Shape</code> which encloses the area that 44 * should be painted when the <code>Shape</code> is stroked according 45 * to the rules defined by the 46 * object implementing the <code>Stroke</code> interface. 47 * @param p a <code>Shape</code> to be stroked 48 * @return the stroked outline <code>Shape</code>. 49 */ 50 Shape createStrokedShape (Shape p); 51 } 52 53 54 55 56