001 /*
002 * Copyright 1996-2006 Sun Microsystems, Inc. All Rights Reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation. Sun designates this
008 * particular file as subject to the "Classpath" exception as provided
009 * by Sun in the LICENSE file that accompanied this code.
010 *
011 * This code is distributed in the hope that it will be useful, but WITHOUT
012 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
013 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
014 * version 2 for more details (a copy is included in the LICENSE file that
015 * accompanied this code).
016 *
017 * You should have received a copy of the GNU General Public License version
018 * 2 along with this work; if not, write to the Free Software Foundation,
019 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
020 *
021 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
022 * CA 95054 USA or visit www.sun.com if you need additional information or
023 * have any questions.
024 */
025
026 package java.awt.geom;
027
028 import java.awt.Shape;
029
030 /**
031 * The {@code GeneralPath} class represents a geometric path
032 * constructed from straight lines, and quadratic and cubic
033 * (Bézier) curves. It can contain multiple subpaths.
034 * <p>
035 * {@code GeneralPath} is a legacy final class which exactly
036 * implements the behavior of its superclass {@link Path2D.Float}.
037 * Together with {@link Path2D.Double}, the {@link Path2D} classes
038 * provide full implementations of a general geometric path that
039 * support all of the functionality of the {@link Shape} and
040 * {@link PathIterator} interfaces with the ability to explicitly
041 * select different levels of internal coordinate precision.
042 * <p>
043 * Use {@code Path2D.Float} (or this legacy {@code GeneralPath}
044 * subclass) when dealing with data that can be represented
045 * and used with floating point precision. Use {@code Path2D.Double}
046 * for data that requires the accuracy or range of double precision.
047 *
048 * @version 1.70, 05/05/07
049 * @author Jim Graham
050 * @since 1.2
051 */
052 public final class GeneralPath extends Path2D.Float {
053 /**
054 * Constructs a new empty single precision {@code GeneralPath} object
055 * with a default winding rule of {@link #WIND_NON_ZERO}.
056 *
057 * @since 1.2
058 */
059 public GeneralPath() {
060 super (WIND_NON_ZERO, INIT_SIZE);
061 }
062
063 /**
064 * Constructs a new <code>GeneralPath</code> object with the specified
065 * winding rule to control operations that require the interior of the
066 * path to be defined.
067 *
068 * @param rule the winding rule
069 * @see #WIND_EVEN_ODD
070 * @see #WIND_NON_ZERO
071 * @since 1.2
072 */
073 public GeneralPath(int rule) {
074 super (rule, INIT_SIZE);
075 }
076
077 /**
078 * Constructs a new <code>GeneralPath</code> object with the specified
079 * winding rule and the specified initial capacity to store path
080 * coordinates.
081 * This number is an initial guess as to how many path segments
082 * will be added to the path, but the storage is expanded as
083 * needed to store whatever path segments are added.
084 *
085 * @param rule the winding rule
086 * @param initialCapacity the estimate for the number of path segments
087 * in the path
088 * @see #WIND_EVEN_ODD
089 * @see #WIND_NON_ZERO
090 * @since 1.2
091 */
092 public GeneralPath(int rule, int initialCapacity) {
093 super (rule, initialCapacity);
094 }
095
096 /**
097 * Constructs a new <code>GeneralPath</code> object from an arbitrary
098 * {@link Shape} object.
099 * All of the initial geometry and the winding rule for this path are
100 * taken from the specified <code>Shape</code> object.
101 *
102 * @param s the specified <code>Shape</code> object
103 * @since 1.2
104 */
105 public GeneralPath(Shape s) {
106 super (s, null);
107 }
108
109 GeneralPath(int windingRule, byte[] pointTypes, int numTypes,
110 float[] pointCoords, int numCoords) {
111 // used to construct from native
112
113 this .windingRule = windingRule;
114 this .pointTypes = pointTypes;
115 this .numTypes = numTypes;
116 this .floatCoords = pointCoords;
117 this .numCoords = numCoords;
118 }
119
120 /*
121 * JDK 1.6 serialVersionUID
122 */
123 private static final long serialVersionUID = -8327096662768731142L;
124 }
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