bibliothek.util
Class Colors

java.lang.Object
  bibliothek.util.Colors

public final class Colors
extends java.lang.Object

Some fields and methods that make life easier when dealing with Colors.

Author:

Benjamin Sigg

Method Summary

static java.awt.Color	between(java.awt.Color a, java.awt.Color b, double value) Creates a color which "lies between" the colors a and b
static java.awt.Color	brighter(java.awt.Color color) Helper methods calling Color.brighter().
static java.awt.Color	brighter(java.awt.Color c, double value) Increases the brightness of a color.
static java.awt.Color	darker(java.awt.Color color) Helper methods calling Color.darker().
static java.awt.Color	darker(java.awt.Color c, double value) Decreases the brightness of a color.
static java.awt.Color	deltaBrightness(java.awt.Color c, double delta) Converts c into HSB and adds delta to the brightness.
static java.awt.Color	diffMirror(java.awt.Color color, double factor)
static java.awt.Color	fuller(java.awt.Color color, double factor)
static java.awt.Color	middle(java.awt.Color a, java.awt.Color b)
static java.awt.Color	undiffMirror(java.awt.Color color, double factor)

Methods inherited from class java.lang.Object

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

Method Detail

darker

public static java.awt.Color darker(java.awt.Color c,
                                    double value)

Decreases the brightness of a color.

Parameters:

c - the color which will be made darker

value - how much darker the color should be, 1 means black, 0 means c is returned

Returns:

a color which is darker than c

brighter

public static java.awt.Color brighter(java.awt.Color c,
                                      double value)

Increases the brightness of a color.

Parameters:

c - the color which will be made brighter

value - how much brighter the color should be, 1 means white, 0 means c is returned

Returns:

a color which is brighter than c

deltaBrightness

public static java.awt.Color deltaBrightness(java.awt.Color c,
                                             double delta)

Converts c into HSB and adds delta to the brightness.

Parameters:

c - the color to convert

delta - the delta in brightness

Returns:

the new color

between

public static java.awt.Color between(java.awt.Color a,
                                     java.awt.Color b,
                                     double value)

Creates a color which "lies between" the colors a and b

Parameters:

a - the first color

b - the second color

value - a value between 0 and 1, 0 means a is returned, 1 means b is returned

Returns:

a color whose rgb-values are between the rgb-values of a and b

middle

public static java.awt.Color middle(java.awt.Color a,
                                    java.awt.Color b)

fuller

public static java.awt.Color fuller(java.awt.Color color,
                                    double factor)

undiffMirror

public static java.awt.Color undiffMirror(java.awt.Color color,
                                          double factor)

diffMirror

public static java.awt.Color diffMirror(java.awt.Color color,
                                        double factor)

darker

public static java.awt.Color darker(java.awt.Color color)

Helper methods calling Color.darker().

Parameters:

color - some color to modify, can be null

Returns:

the darker color or null

brighter

public static java.awt.Color brighter(java.awt.Color color)

Helper methods calling Color.brighter().

Parameters:

color - some color to modify, can be null

Returns:

the brighter color or null