| /* |
| * Copyright (c) 1997, 2011, 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.geom; |
| |
| /** |
| * The {@code Dimension2D} class is to encapsulate a width |
| * and a height dimension. |
| * <p> |
| * This class is only the abstract superclass for all objects that |
| * store a 2D dimension. |
| * The actual storage representation of the sizes is left to |
| * the subclass. |
| * |
| * @author Jim Graham |
| * @since 1.2 |
| */ |
| public abstract class Dimension2D implements Cloneable { |
| |
| /** |
| * This is an abstract class that cannot be instantiated directly. |
| * Type-specific implementation subclasses are available for |
| * instantiation and provide a number of formats for storing |
| * the information necessary to satisfy the various accessor |
| * methods below. |
| * |
| * @see java.awt.Dimension |
| * @since 1.2 |
| */ |
| protected Dimension2D() { |
| } |
| |
| /** |
| * Returns the width of this {@code Dimension} in double |
| * precision. |
| * @return the width of this {@code Dimension}. |
| * @since 1.2 |
| */ |
| public abstract double getWidth(); |
| |
| /** |
| * Returns the height of this {@code Dimension} in double |
| * precision. |
| * @return the height of this {@code Dimension}. |
| * @since 1.2 |
| */ |
| public abstract double getHeight(); |
| |
| /** |
| * Sets the size of this {@code Dimension} object to the |
| * specified width and height. |
| * This method is included for completeness, to parallel the |
| * {@link java.awt.Component#getSize getSize} method of |
| * {@link java.awt.Component}. |
| * @param width the new width for the {@code Dimension} |
| * object |
| * @param height the new height for the {@code Dimension} |
| * object |
| * @since 1.2 |
| */ |
| public abstract void setSize(double width, double height); |
| |
| /** |
| * Sets the size of this {@code Dimension2D} object to |
| * match the specified size. |
| * This method is included for completeness, to parallel the |
| * {@code getSize} method of {@code Component}. |
| * @param d the new size for the {@code Dimension2D} |
| * object |
| * @since 1.2 |
| */ |
| public void setSize(Dimension2D d) { |
| setSize(d.getWidth(), d.getHeight()); |
| } |
| |
| /** |
| * Creates a new object of the same class as this object. |
| * |
| * @return a clone of this instance. |
| * @exception OutOfMemoryError if there is not enough memory. |
| * @see java.lang.Cloneable |
| * @since 1.2 |
| */ |
| public Object clone() { |
| try { |
| return super.clone(); |
| } catch (CloneNotSupportedException e) { |
| // this shouldn't happen, since we are Cloneable |
| throw new InternalError(e); |
| } |
| } |
| } |