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Dimension2D (Java 2 Platform SE v1.4.1) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档

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java.awt.geom
Class Dimension2D

java.lang.Object
  |
  +--java.awt.geom.Dimension2D

All Implemented Interfaces:

Cloneable

Direct Known Subclasses:

Dimension

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public abstract class Dimension2D

extends Object

implements Cloneable

The Dimension2D class is to encapsulate a width and a height dimension.

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.

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Constructor Summary
protected	Dimension2D()           This is an abstract class that cannot be instantiated directly.

 

Method Summary
Object	clone()           Creates a new object of the same class as this object.
abstract  double	getHeight()           Returns the height of this Dimension in double precision.
abstract  double	getWidth()           Returns the width of this Dimension in double precision.
void	setSize(Dimension2D d)           Sets the size of this Dimension2D object to match the specified size.
abstract  void	setSize(double width, double height)           Sets the size of this Dimension object to the specified width and height.

 

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

Dimension2D

protected Dimension2D()

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 Also:

Dimension

Method Detail

getWidth

public abstract double getWidth()

Returns the width of this Dimension in double precision.

Returns:

the width of this Dimension.

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getHeight

public abstract double getHeight()

Returns the height of this Dimension in double precision.

Returns:

the height of this Dimension.

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setSize

public abstract void setSize(double width,
                             double height)

Sets the size of this Dimension object to the specified width and height. This method is included for completeness, to parallel the getSize method of Component.

Parameters:

width - the new width for the Dimension object

height - the new height for the Dimension object

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setSize

public void setSize(Dimension2D d)

Sets the size of this Dimension2D object to match the specified size. This method is included for completeness, to parallel the getSize method of Component.

Parameters:

d - the new size for the Dimension2D object

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clone

public Object clone()

Creates a new object of the same class as this object.

Overrides:

clone in class Object

Returns:

a clone of this instance.

Throws:

OutOfMemoryError - if there is not enough memory.

Since:

1.2

See Also:

Cloneable

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.