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| 1 | /* | ||
| 2 | * Copyright (c) 1996, 1999, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package java.awt; | ||
| 27 | |||
| 28 | /** | ||
| 29 | * The <code>Stroke</code> interface allows a | ||
| 30 | * {@link Graphics2D} object to obtain a {@link Shape} that is the | ||
| 31 | * decorated outline, or stylistic representation of the outline, | ||
| 32 | * of the specified <code>Shape</code>. | ||
| 33 | * Stroking a <code>Shape</code> is like tracing its outline with a | ||
| 34 | * marking pen of the appropriate size and shape. | ||
| 35 | * The area where the pen would place ink is the area enclosed by the | ||
| 36 | * outline <code>Shape</code>. | ||
| 37 | * <p> | ||
| 38 | * The methods of the <code>Graphics2D</code> interface that use the | ||
| 39 | * outline <code>Shape</code> returned by a <code>Stroke</code> object | ||
| 40 | * include <code>draw</code> and any other methods that are | ||
| 41 | * implemented in terms of that method, such as | ||
| 42 | * <code>drawLine</code>, <code>drawRect</code>, | ||
| 43 | * <code>drawRoundRect</code>, <code>drawOval</code>, | ||
| 44 | * <code>drawArc</code>, <code>drawPolyline</code>, | ||
| 45 | * and <code>drawPolygon</code>. | ||
| 46 | * <p> | ||
| 47 | * The objects of the classes implementing <code>Stroke</code> | ||
| 48 | * must be read-only because <code>Graphics2D</code> does not | ||
| 49 | * clone these objects either when they are set as an attribute | ||
| 50 | * with the <code>setStroke</code> method or when the | ||
| 51 | * <code>Graphics2D</code> object is itself cloned. | ||
| 52 | * If a <code>Stroke</code> object is modified after it is set in | ||
| 53 | * the <code>Graphics2D</code> context then the behavior | ||
| 54 | * of subsequent rendering would be undefined. | ||
| 55 | * @see BasicStroke | ||
| 56 | * @see Graphics2D#setStroke | ||
| 57 | */ | ||
| 58 | public interface Stroke { | ||
| 59 | /** | ||
| 60 | * Returns an outline <code>Shape</code> which encloses the area that | ||
| 61 | * should be painted when the <code>Shape</code> is stroked according | ||
| 62 | * to the rules defined by the | ||
| 63 | * object implementing the <code>Stroke</code> interface. | ||
| 64 | * @param p a <code>Shape</code> to be stroked | ||
| 65 | * @return the stroked outline <code>Shape</code>. | ||
| 66 | */ | ||
| 67 | Shape createStrokedShape (Shape p); | ||
| 68 | } | ||