Package diva.canvas

Class FigureWrapper

java.lang.Object

diva.canvas.AbstractFigure

diva.canvas.FigureWrapper

All Implemented Interfaces:

CanvasComponent, Figure, VisibleComponent, UserObjectContainer

public abstract class FigureWrapper
extends AbstractFigure

A FigureWrapper is a figure container that contains a single child figure. The purpose of a FigureWrapper is to provide an abstract superclass for application-specific figures, that need to implement certain behaviour but don't particularly care about their appearance.

Version:

$Id$

Author:

John Reekie

Pt.AcceptedRating:

Yellow

Constructor Summary

Constructors

Constructor	Description
FigureWrapper(Figure f)	Construct a new figure with the given child figure.

Method Summary

Modifier and Type	Method	Description
java.awt.geom.Rectangle2D	getBounds()	Get the bounds of the child figure.
Figure	getChild()	Get the child figure, or null if there isn't one.
java.awt.Shape	getShape()	Get the outline shape of the child figure.
void	paint(java.awt.Graphics2D g)	Paint the child if this figure is visible.
void	setChild(Figure f)	Set the child figure.
void	transform(java.awt.geom.AffineTransform at)	Transform the child figure with the supplied transform.

Methods inherited from class diva.canvas.AbstractFigure

contains, getInteractor, getLayer, getOrigin, getParent, getToolTipText, getTransformContext, getUserObject, hit, intersects, isVisible, paint, repaint, repaint, setInteractor, setParent, setToolTipText, setUserObject, setVisible, translate

Methods inherited from class java.lang.Object

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

Constructor Detail

FigureWrapper

public FigureWrapper(Figure f)

Construct a new figure with the given child figure.

Parameters:

f - The figure

Method Detail

getBounds

public java.awt.geom.Rectangle2D getBounds()

Get the bounds of the child figure.

Specified by:

getBounds in interface Figure

Overrides:

getBounds in class AbstractFigure

Returns:

The bounds

getChild

public Figure getChild()

Get the child figure, or null if there isn't one.

Returns:

the child figure

See Also:

setChild(Figure)

getShape

public java.awt.Shape getShape()

Get the outline shape of the child figure.

Specified by:

getShape in interface Figure

Specified by:

getShape in class AbstractFigure

Returns:

The shape.

paint

public void paint(java.awt.Graphics2D g)

Paint the child if this figure is visible.

Specified by:

paint in interface VisibleComponent

Specified by:

paint in class AbstractFigure

Parameters:

g - The graphics context

setChild

public void setChild(Figure f)

Set the child figure. If there is already a child figure, remove it from this container.

Parameters:

f - The child figure

See Also:

getChild()

transform

public void transform(java.awt.geom.AffineTransform at)

Transform the child figure with the supplied transform.

Specified by:

transform in interface Figure

Specified by:

transform in class AbstractFigure

Parameters:

at - The transform