ej.widget.color

Class ColorHelper

java.lang.Object

ej.widget.color.ColorHelper

public class ColorHelper
extends Object

Color utilities.

Method Summary

Modifier and Type	Method and Description
static int	getBlue(int color) Gets a color blue component.
static int	getColor(int red, int green, int blue) Gets the color from red, green and blue components.
static int	getGreen(int color) Gets a color green component.
static int	getRed(int color) Gets a color red component.
static int	updateComponent(int component, int increment) Update a color component by incrementing it.

Methods inherited from class java.lang.Object

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

Method Detail

getBlue

public static int getBlue(int color)

Gets a color blue component.

Parameters:

color - the color.

Returns:

the blue component.

getColor

public static int getColor(int red,
                           int green,
                           int blue)

Gets the color from red, green and blue components.

Parameters:

red - the red component.

green - the green component.

blue - the blue component.

Returns:

the color.

getGreen

public static int getGreen(int color)

Gets a color green component.

Parameters:

color - the color.

Returns:

the green component.

getRed

public static int getRed(int color)

Gets a color red component.

Parameters:

color - the color.

Returns:

the red component.

updateComponent

public static int updateComponent(int component,
                                  int increment)

Update a color component by incrementing it.

The resulting value is bounded to a component limits.

Parameters:

component - the initial component value.

increment - the increment to apply.

Returns:

the incremented component.