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