Class ColorOps

java.lang.Object

ColorOps

public class ColorOps
extends java.lang.Object

A noninstantiable utility class to manipulate Color objects.

Author:

Tim Bahls

Field Summary

Fields

Modifier and Type	Field and Description
private static double	oneThirdRotation
private static double	twoThirdsRotation

Constructor Summary

Constructors

Constructor and Description
ColorOps()

Method Summary

Modifier and Type	Method and Description
static java.awt.Color	darken(java.awt.Color c) return a darker version of the given Color
static java.awt.Color	getBrightColor() Return a bright, saturated Color with a random hue
static java.awt.Color	getBrightColor(double d) Return a bright, saturated Color with a hue based on d
static java.awt.Color	interpolate(java.awt.Color c1, java.awt.Color c2, float n) Linearly interpolates between two colors based on n.
static java.awt.Color	lighten(java.awt.Color c) return a lighter version of the given Color

Methods inherited from class java.lang.Object

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

Field Detail

oneThirdRotation

private static final double oneThirdRotation

See Also:

Constant Field Values

twoThirdsRotation

private static final double twoThirdsRotation

See Also:

Constant Field Values

Constructor Detail

ColorOps

public ColorOps()

Method Detail

darken

public static java.awt.Color darken(java.awt.Color c)

return a darker version of the given Color

Parameters:

c - the Color to darken

Returns:

the darker Color

lighten

public static java.awt.Color lighten(java.awt.Color c)

return a lighter version of the given Color

Parameters:

c - the Color to lighten

Returns:

the lighter Color

interpolate

public static java.awt.Color interpolate(java.awt.Color c1,
                                         java.awt.Color c2,
                                         float n)

Linearly interpolates between two colors based on n. If n is 0, this returns a Color equal to c2. If n is 1, you get c1 instead. A c value of .5 will return the average, and so forth.

Parameters:

c1 - the first Color

c2 - the second Color

n - the ratio of c2 to use

Returns:

the interpolated color.

getBrightColor

public static java.awt.Color getBrightColor()

Return a bright, saturated Color with a random hue

Returns:

a bright, saturated Color

getBrightColor

public static java.awt.Color getBrightColor(double d)

Return a bright, saturated Color with a hue based on d

Parameters:

d - the location along the rainbow to choose

Returns:

the specified bright, saturated Color