com.github.gwtd3.api

Class Colors

java.lang.Object

com.github.gwtd3.api.Colors

public class Colors
extends Object

Provides factory methods to create colors.

Author:

Anthony Schiochet

Constructor Summary

Constructors

Constructor and Description
Colors()

Method Summary

Methods

Modifier and Type	Method and Description
static HSLColor	hsl(int h, double s, double l) Constructs a new HSL color with the specified hue h, saturation s and lightness l.
static HSLColor	hsl(RGBColor color) Constructs a new HSL color from an existing color object.
static HSLColor	hsl(String color) Constructs a new HSL color by parsing the specified color string.
static RGBColor	rgb(Color color) Construct a new RGB color from the existing color object.
static RGBColor	rgb(int r, int g, int b) Constructs a new RGB color with the specified r, g and b channel values.
static RGBColor	rgb(String color) Constructs a new RGB color by parsing the specified color string.

Methods inherited from class java.lang.Object

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

Constructor Detail

Colors

public Colors()

Method Detail

rgb

public static final RGBColor rgb(int r,
           int g,
           int b)

Constructs a new RGB color with the specified r, g and b channel values. Each channel must be specified as an integer in the range [0,255]. The channels are available as the r, g and b attributes of the returned object.

Parameters:

r - the red channel

g - the green channel

b - the blue channel

Returns:

the new color instance

rgb

public static final RGBColor rgb(String color)

Constructs a new RGB color by parsing the specified color string. The color string may be in a variety of formats:

• rgb decimal - "rgb(255,255,255)"
• hsl decimal - "hsl(120,50%,20%)"
• rgb hexadecimal - "#ffeeaa"
• rgb shorthand hexadecimal - "#fea"
• named - "red", "white", "blue"

Parameters:

color - the color string representation

Returns:

the new color

rgb

public static final RGBColor rgb(Color color)

Construct a new RGB color from the existing color object.

Parameters:

color - the existing color object

Returns:

the new color

hsl

public static final HSLColor hsl(int h,
           double s,
           double l)

Constructs a new HSL color with the specified hue h, saturation s and lightness l. The hue must be a number in the range [0,360]. The saturation and lightness must be in the range 0,1. These values are available as the h, s and l attributes of the returned object.

Parameters:

h - the hue channel [0;360]

s - the saturation channel [0;1]

l - the light channel [0;1]

Returns:

the new color instance

hsl

public static final HSLColor hsl(String color)

Constructs a new HSL color by parsing the specified color string. The color string may be in a variety of formats:

• rgb decimal - "rgb(255,255,255)"
• hsl decimal - "hsl(120,50%,20%)"
• rgb hexadecimal - "#ffeeaa"
• rgb shorthand hexadecimal - "#fea"
• named - "red", "white", "blue"

Parameters:

color - the color string representation

Returns:

the new color

hsl

public static final HSLColor hsl(RGBColor color)

Constructs a new HSL color from an existing color object.

Parameters:

color - the existing color object

Returns:

the new color