Package de.larsgrefer.sass.embedded.util

Class CssColorSpecUtil

java.lang.Object

de.larsgrefer.sass.embedded.util.CssColorSpecUtil

public final class CssColorSpecUtil
extends Object

This class contains the color-conversion algorithms found in the CSS Color Specification.

See Also:

• CSS Color Module Level 4

Method Summary

Modifier and Type	Method	Description
static double[]	hslToRgb(double hue, double sat, double light)	Converts the given HSL color to RGB.
static double[]	hwbToRgb(double hue, double white, double black)	Converts the given HWB color to RGB.
static double[]	rgbToHsl(double red, double green, double blue)	Converts the given RGB color to HSL.
static double[]	rgbToHwb(double red, double green, double blue)	Converts the given HWB color to RGB.

Methods inherited from class java.lang.Object

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

Method Details

hslToRgb

public static double[] hslToRgb(double hue,
 double sat,
 double light)

Converts the given HSL color to RGB.

Parameters:

hue - Hue as degrees: 0..360

sat - Saturation as percentage: 0..100

light - Lightness as percentage: 0..100

Returns:

Array of RGB values: 0..1

See Also:

• 8.1. Converting HSL Colors to sRGB

rgbToHsl

public static double[] rgbToHsl(double red,
 double green,
 double blue)

Converts the given RGB color to HSL.

Parameters:

red - Red component of the color, normalized to 0..1.

green - Green component of the color, normalized to 0..1.

blue - Blue component of the color, normalized to 0..1.

Returns:

Array of HSL values. Hue as degrees (0..360), Saturation and Lightness as percentages (0..100)

See Also:

• 8.2. Converting sRGB Colors to HSL

hwbToRgb

public static double[] hwbToRgb(double hue,
 double white,
 double black)

Converts the given HWB color to RGB.

Parameters:

hue - Hue as degrees: 0..360

white - Whiteness as percentage: 0..100

black - Blackness as percentage: 0..100

Returns:

Array of RGB values: 0..1

See Also:

• 9.1. Converting HWB Colors to sRGB

rgbToHwb

public static double[] rgbToHwb(double red,
 double green,
 double blue)

Converts the given HWB color to RGB.

Parameters:

red - Red component of the color, normalized to 0..1.

green - Green component of the color, normalized to 0..1.

blue - Blue component of the color, normalized to 0..1.

Returns:

Array of HWB values. Hue as degrees 0..360, Whiteness and Blackness as percentages (0..100).

See Also:

• 9.2. Converting sRGB Colors to HWB