Package org.openhab.core.util

Class ColorUtil.Point

java.lang.Object

org.openhab.core.util.ColorUtil.Point

Enclosing class:

ColorUtil

public static class ColorUtil.Point
extends Object

Class for points in the CIE xy color space

Field Summary

Fields

Modifier and Type	Field	Description
final double	x
final double	y

Constructor Summary

Constructors

Constructor	Description
Point()	a default point with x/y = 0.0
Point(double x, double y)	a point with the given values

Method Summary

Modifier and Type	Method	Description
ColorUtil.Point	closest(ColorUtil.Point a, ColorUtil.Point b)	return point closest to this point on a line between a and b
double	crossProduct(ColorUtil.Point other)	return the cross product of this tuple and the other tuple
double	distance(ColorUtil.Point other)	distance between this point and another point

Methods inherited from class java.lang.Object

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

Field Details

x

public final double x

y

public final double y

Constructor Details

Point

public Point()

a default point with x/y = 0.0

Point

public Point(double x,
 double y)

a point with the given values

Parameters:

x - the x-value (between 0.0 and 1.0)

y - the y-value (between 0.0 and 1.0)

Method Details

distance

public double distance(ColorUtil.Point other)

distance between this point and another point

Parameters:

other - the other point

Returns:

distance as double

crossProduct

public double crossProduct(ColorUtil.Point other)

return the cross product of this tuple and the other tuple

Parameters:

other - the other point

Returns:

the cross product as double

closest

public ColorUtil.Point closest(ColorUtil.Point a,
 ColorUtil.Point b)

return point closest to this point on a line between a and b

Parameters:

a - point a

b - point b

Returns:

the point closest to this point on a-b