org.dishevelled.piccolo.venn

Class Centers

java.lang.Object

org.dishevelled.piccolo.venn.Centers

final class Centers
extends Object

Utility methods for finding the center of areas.

Version:

$Revision$ $Date$

Author:

Michael Heuer

Method Summary

Methods

Modifier and Type	Method and Description
(package private) static Point2D	centerOf(Area area) Find and return the center of the specified area using its bounds rectangle.
(package private) static Point2D	centerOf(Area area, Point2D center) Find and return the specified center of the specified area using its bounds rectangle.
(package private) static Point2D	centerOf(Rectangle2D rectangle) Find and return the center of the specified rectangle.
(package private) static Point2D	centerOf(Rectangle2D rectangle, Point2D center) Find and return the specified center of the specified rectangle.
(package private) static Point2D	centerOf(Shape shape) Find and return the center of the specified shape using its bounds rectangle.
(package private) static Point2D	centerOf(Shape shape, Point2D center) Find and return the specified center of the specified shape using its bounds rectangle.
(package private) static Point2D	centroidOf(Area area) Find and return an approximate centroid of the specified area using an evolutionary algorithm.
(package private) static Point2D	centroidOf(Area area, Point2D centroid) Find and return the specified approximate centroid of the specified area using an evolutionary algorithm.
(package private) static Point2D	centroidOf(Area area, Point2D centroid, Random random) Find and return the specified approximate centroid of the specified area using an evolutionary algorithm.

Methods inherited from class java.lang.Object

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

Method Detail

centerOf

static Point2D centerOf(Shape shape)

Find and return the center of the specified shape using its bounds rectangle.

Parameters:

shape - shape, must not be null

Returns:

the center of the specified shape using its bounds rectangle

centerOf

static Point2D centerOf(Shape shape,
               Point2D center)

Find and return the specified center of the specified shape using its bounds rectangle.

Parameters:

shape - shape, must not be null

center - center, must not be null

Returns:

the specified center of the specified shape using its bounds rectangle

centerOf

static Point2D centerOf(Rectangle2D rectangle)

Find and return the center of the specified rectangle.

Parameters:

rectangle - rectangle, must not be null

Returns:

the center of the specified rectangle

centerOf

static Point2D centerOf(Rectangle2D rectangle,
               Point2D center)

Find and return the specified center of the specified rectangle.

Parameters:

rectangle - rectangle, must not be null

center - center, must not be null

Returns:

the specified center of the specified rectangle

centerOf

static Point2D centerOf(Area area)

Find and return the center of the specified area using its bounds rectangle.

Parameters:

area - area, must not be null

Returns:

the center of the specified area using its bounds rectangle

centerOf

static Point2D centerOf(Area area,
               Point2D center)

Find and return the specified center of the specified area using its bounds rectangle.

Parameters:

area - area, must not be null

center - center, must not be null

Returns:

the specified center of the specified area using its bounds rectangle

centroidOf

static Point2D centroidOf(Area area)

Find and return an approximate centroid of the specified area using an evolutionary algorithm.

Parameters:

area - area, must not be null

Returns:

an approximate centroid of the specified area using an evolutionary algorithm

centroidOf

static Point2D centroidOf(Area area,
                 Point2D centroid)

Find and return the specified approximate centroid of the specified area using an evolutionary algorithm.

Parameters:

area - area, must not be null

centroid - centroid, must not be null

Returns:

the specified approximate centroid of the specified area using an evolutionary algorithm

centroidOf

static Point2D centroidOf(Area area,
                 Point2D centroid,
                 Random random)

Find and return the specified approximate centroid of the specified area using an evolutionary algorithm.

Parameters:

area - area, must not be null

centroid - centroid, must not be null

random - source of randomness

Returns:

the specified approximate centroid of the specified area using an evolutionary algorithm