global

Class ColorOp

java.lang.Object

global.ColorOp

public class ColorOp
extends java.lang.Object

Contains some static methods to work with colors.

Constructor Summary

Constructors

Constructor and Description
ColorOp()

Method Summary

Modifier and Type	Method and Description
static java.awt.Color	gray(int brightness) Returns a gray color with red, green and blue set to the given value.
static java.awt.Color	modColor(float fac, java.awt.Color color) Returns the given Color modulated with the given brightness factor.
static java.awt.Color	modColor(float fac, java.awt.Color color, int useAlpha) Returns the given Color modulated with the given brightness factor.

Methods inherited from class java.lang.Object

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

Constructor Detail

ColorOp

public ColorOp()

Method Detail

modColor

public static java.awt.Color modColor(float fac,
                                      java.awt.Color color,
                                      int useAlpha)

Returns the given Color modulated with the given brightness factor.

Parameters:

fac - brightness factor. The range is from 0 (black) over 1 (original) to 2 (white)

color - the Color which used to be modulated

useAlpha - if smaller than zero, then the colors alpha is used. Otherwise the given alpha value is used.

Returns:

the resulting Color after modulation

modColor

public static java.awt.Color modColor(float fac,
                                      java.awt.Color color)

Returns the given Color modulated with the given brightness factor.

Parameters:

fac - brightness factor. The range is from 0 (black) over 1 (original) to 2 (white)

color - the Color which used to be modulated

Returns:

the resulting Color after modulation

gray

public static java.awt.Color gray(int brightness)

Returns a gray color with red, green and blue set to the given value.

Parameters:

brightness - the brightness of the gray value with 0=black and 255=white.

Returns:

new Color(brightness,brightness,brightness)