diva.canvas.interactor

Class QuadrantConstraint

java.lang.Object

diva.canvas.interactor.QuadrantConstraint

All Implemented Interfaces:

PointConstraint

public class QuadrantConstraint
extends java.lang.Object
implements PointConstraint

Keep a point within one of the four quadrants relative to some reference point.

Version:

$Id$

Author:

John Reekie

Constructor Summary

Constructors

Constructor and Description
QuadrantConstraint(java.awt.geom.Point2D origin, int quadrant) Create a new QuadrantConstraint with the given origin and quadrant.

Method Summary

Modifier and Type	Method and Description
void	constrain(java.awt.geom.Point2D point) Ask the bounds constraint to constrain this point.
java.awt.geom.Point2D	getOrigin() Get the origin
int	getQuadrant() Get the quadrant
void	setOrigin(java.awt.geom.Point2D origin) Set the origin
void	setQuadrant(int quadrant) Set the quadrant
boolean	snapped() Return false.

Methods inherited from class java.lang.Object

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

Constructor Detail

QuadrantConstraint

public QuadrantConstraint(java.awt.geom.Point2D origin,
                          int quadrant)

Create a new QuadrantConstraint with the given origin and quadrant.

Method Detail

constrain

public void constrain(java.awt.geom.Point2D point)

Ask the bounds constraint to constrain this point.

Specified by:

constrain in interface PointConstraint

getOrigin

public java.awt.geom.Point2D getOrigin()

Get the origin

getQuadrant

public int getQuadrant()

Get the quadrant

setOrigin

public void setOrigin(java.awt.geom.Point2D origin)

Set the origin

setQuadrant

public void setQuadrant(int quadrant)

Set the quadrant

snapped

public boolean snapped()

Return false. This constraint never snaps.

Specified by:

snapped in interface PointConstraint