| /* Dimension2D.java -- abstraction of a dimension |
| Copyright (C) 1999, 2000, 2002 Free Software Foundation |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
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| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package java.awt.geom; |
| |
| /** |
| * This stores a dimension in 2-dimensional space - a width (along the x-axis) |
| * and height (along the y-axis). The storage is left to subclasses. |
| * |
| * @author Per Bothner (bothner@cygnus.com) |
| * @author Eric Blake (ebb9@email.byu.edu) |
| * @since 1.2 |
| * @status updated to 1.4 |
| */ |
| public abstract class Dimension2D implements Cloneable |
| { |
| /** |
| * The default constructor. |
| */ |
| protected Dimension2D() |
| { |
| } |
| |
| /** |
| * Get the width of this dimension. A negative result, while legal, is |
| * undefined in meaning. |
| * |
| * @return the width |
| */ |
| public abstract double getWidth(); |
| |
| /** |
| * Get the height of this dimension. A negative result, while legal, is |
| * undefined in meaning. |
| * |
| * @return the height |
| */ |
| public abstract double getHeight(); |
| |
| /** |
| * Set the size of this dimension to the requested values. Loss of precision |
| * may occur. |
| * |
| * @param w the new width |
| * @param h the new height |
| */ |
| public abstract void setSize(double w, double h); |
| |
| /** |
| * Set the size of this dimension to the requested value. Loss of precision |
| * may occur. |
| * |
| * @param d the dimension containing the new values |
| * |
| * @throws NullPointerException if d is null |
| */ |
| public void setSize(Dimension2D d) |
| { |
| setSize(d.getWidth(), d.getHeight()); |
| } |
| |
| /** |
| * Create a new dimension of the same run-time type with the same contents |
| * as this one. |
| * |
| * @return the clone |
| * |
| * @exception OutOfMemoryError If there is not enough memory available. |
| * |
| * @since 1.2 |
| */ |
| public Object clone() |
| { |
| try |
| { |
| return super.clone(); |
| } |
| catch (CloneNotSupportedException e) |
| { |
| throw (Error) new InternalError().initCause(e); // Impossible |
| } |
| } |
| } // class Dimension2D |