001: /* ========================================================================
002: * JCommon : a free general purpose class library for the Java(tm) platform
003: * ========================================================================
004: *
005: * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
006: *
007: * Project Info: http://www.jfree.org/jcommon/index.html
008: *
009: * This library is free software; you can redistribute it and/or modify it
010: * under the terms of the GNU Lesser General Public License as published by
011: * the Free Software Foundation; either version 2.1 of the License, or
012: * (at your option) any later version.
013: *
014: * This library is distributed in the hope that it will be useful, but
015: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017: * License for more details.
018: *
019: * You should have received a copy of the GNU Lesser General Public
020: * License along with this library; if not, write to the Free Software
021: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
022: * USA.
023: *
024: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025: * in the United States and other countries.]
026: *
027: * -----------
028: * Size2D.java
029: * -----------
030: * (C) Copyright 2000-2005, by Object Refinery Limited.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: Size2D.java,v 1.8 2005/11/16 15:58:41 taqua Exp $
036: *
037: * Changes (from 26-Oct-2001)
038: * --------------------------
039: * 26-Oct-2001 : Changed package to com.jrefinery.ui.*;
040: * 14-Oct-2002 : Fixed errors reported by Checkstyle (DG);
041: * 10-Nov-2004 : Added default constructor, added setWidth() and setHeight()
042: * methods, added equals() method, implemented Cloneable,
043: * PublicCloneable and Serializable (DG);
044: * 02-Feb-2005 : Added toString() method (DG);
045: *
046: */
047:
048: package org.jfree.ui;
049:
050: import java.io.Serializable;
051:
052: import org.jfree.util.PublicCloneable;
053:
054: /**
055: * A simple class for representing the dimensions of an object. It would be
056: * better to use <code>Dimension2D</code>, but this class is broken on various
057: * JDK releases (particularly JDK 1.3.1, refer to bugs 4189446 and 4976448 on
058: * the Java bug parade).
059: *
060: * @author David Gilbert
061: */
062: public class Size2D implements Cloneable, PublicCloneable, Serializable {
063:
064: /** For serialization. */
065: private static final long serialVersionUID = 2558191683786418168L;
066:
067: /** The width. */
068: public double width;
069:
070: /** The height. */
071: public double height;
072:
073: /**
074: * Creates a new instance with zero width and height.
075: */
076: public Size2D() {
077: this (0.0, 0.0);
078: }
079:
080: /**
081: * Creates a new instance with the specified width and height.
082: *
083: * @param width the width.
084: * @param height the height.
085: */
086: public Size2D(final double width, final double height) {
087: this .width = width;
088: this .height = height;
089: }
090:
091: /**
092: * Returns the width.
093: *
094: * @return The width.
095: */
096: public double getWidth() {
097: return this .width;
098: }
099:
100: /**
101: * Sets the width.
102: *
103: * @param width the width.
104: */
105: public void setWidth(final double width) {
106: this .width = width;
107: }
108:
109: /**
110: * Returns the height.
111: *
112: * @return The height.
113: */
114: public double getHeight() {
115: return this .height;
116: }
117:
118: /**
119: * Sets the height.
120: *
121: * @param height the height.
122: */
123: public void setHeight(final double height) {
124: this .height = height;
125: }
126:
127: /**
128: * Returns a string representation of this instance, mostly used for
129: * debugging purposes.
130: *
131: * @return A string.
132: */
133: public String toString() {
134: return "Size2D[width=" + this .width + ", height=" + this .height
135: + "]";
136: }
137:
138: /**
139: * Compares this instance for equality with an arbitrary object.
140: *
141: * @param obj the object (<code>null</code> permitted).
142: *
143: * @return A boolean.
144: */
145: public boolean equals(final Object obj) {
146: if (this == obj) {
147: return true;
148: }
149: if (!(obj instanceof Size2D)) {
150: return false;
151: }
152: final Size2D that = (Size2D) obj;
153: if (this .width != that.width) {
154: return false;
155: }
156: if (this .height != that.height) {
157: return false;
158: }
159: return true;
160: }
161:
162: /**
163: * Returns a clone of this object.
164: *
165: * @return A clone.
166: *
167: * @throws CloneNotSupportedException if the object cannot be cloned.
168: */
169: public Object clone() throws CloneNotSupportedException {
170: return super.clone();
171: }
172:
173: }
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