Java tutorial
/* * Copyright (c) 1996, 1999, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package java.awt; /** * The {@code Stroke} interface allows a * {@link Graphics2D} object to obtain a {@link Shape} that is the * decorated outline, or stylistic representation of the outline, * of the specified {@code Shape}. * Stroking a {@code Shape} is like tracing its outline with a * marking pen of the appropriate size and shape. * The area where the pen would place ink is the area enclosed by the * outline {@code Shape}. * <p> * The methods of the {@code Graphics2D} interface that use the * outline {@code Shape} returned by a {@code Stroke} object * include {@code draw} and any other methods that are * implemented in terms of that method, such as * {@code drawLine}, {@code drawRect}, * {@code drawRoundRect}, {@code drawOval}, * {@code drawArc}, {@code drawPolyline}, * and {@code drawPolygon}. * <p> * The objects of the classes implementing {@code Stroke} * must be read-only because {@code Graphics2D} does not * clone these objects either when they are set as an attribute * with the {@code setStroke} method or when the * {@code Graphics2D} object is itself cloned. * If a {@code Stroke} object is modified after it is set in * the {@code Graphics2D} context then the behavior * of subsequent rendering would be undefined. * @see BasicStroke * @see Graphics2D#setStroke */ public interface Stroke { /** * Returns an outline {@code Shape} which encloses the area that * should be painted when the {@code Shape} is stroked according * to the rules defined by the * object implementing the {@code Stroke} interface. * @param p a {@code Shape} to be stroked * @return the stroked outline {@code Shape}. */ Shape createStrokedShape(Shape p); }