org.oscim.utils

Class ColorUtil

java.lang.Object

org.oscim.utils.ColorUtil

public class ColorUtil
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
ColorUtil()

Method Summary

Modifier and Type	Method and Description
static int	desaturate(int color)
static int	hslToRgb(double h, double s, double l)
static int	hslToRgb(double h, double s, double l, Vec3 out) Converts an HSL color value to RGB.
static int	hsvToRgb(double h, double s, double v)
static int	hsvToRgb(double h, double s, double v, Vec3 out) Converts an HSV color value to RGB.
static int	modHsv(int color, double hue, double saturation, double value, boolean relative)
static Vec3	rgbToHsl(double r, double g, double b)
static Vec3	rgbToHsl(double r, double g, double b, Vec3 out) Converts an RGB color value to HSL.
static Vec3	rgbToHsv(double r, double g, double b)
static Vec3	rgbToHsv(double r, double g, double b, Vec3 out) Converts an RGB color value to HSV.
static int	saturate(int color, double saturation)
static int	saturate(int color, double saturation, boolean relative)
static int	setHue(int color, double hue)
static int	shiftHue(int color, double hue)

Methods inherited from class java.lang.Object

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

Constructor Detail

ColorUtil

public ColorUtil()

Method Detail

desaturate

public static int desaturate(int color)

saturate

public static int saturate(int color,
                           double saturation)

setHue

public static int setHue(int color,
                         double hue)

shiftHue

public static int shiftHue(int color,
                           double hue)

saturate

public static int saturate(int color,
                           double saturation,
                           boolean relative)

modHsv

public static int modHsv(int color,
                         double hue,
                         double saturation,
                         double value,
                         boolean relative)

rgbToHsl

public static Vec3 rgbToHsl(double r,
                            double g,
                            double b,
                            Vec3 out)

Converts an RGB color value to HSL. Conversion formula adapted from http://en.wikipedia.org/wiki/HSL_color_space. Assumes r, g, and b are contained in the set [0, 255] and returns h, s, and l in the set [0, 1].

Parameters:

Number - r The red color value

Number - g The green color value

Number - b The blue color value

Returns:

Array The HSL representation

rgbToHsl

public static Vec3 rgbToHsl(double r,
                            double g,
                            double b)

hslToRgb

public static int hslToRgb(double h,
                           double s,
                           double l,
                           Vec3 out)

Converts an HSL color value to RGB. Conversion formula adapted from http://en.wikipedia.org/wiki/HSL_color_space. Assumes h, s, and l are contained in the set [0, 1] and returns r, g, and b in the set [0, 255].

Parameters:

Number - h The hue

Number - s The saturation

Number - l The lightness

Returns:

Array The RGB representation

rgbToHsv

public static Vec3 rgbToHsv(double r,
                            double g,
                            double b,
                            Vec3 out)

Converts an RGB color value to HSV. Conversion formula adapted from http://en.wikipedia.org/wiki/HSV_color_space. Assumes r, g, and b are contained in the set [0, 255] and returns h, s, and v in the set [0, 1].

Parameters:

Number - r The red color value

Number - g The green color value

Number - b The blue color value

Returns:

Array The HSV representation

rgbToHsv

public static Vec3 rgbToHsv(double r,
                            double g,
                            double b)

hsvToRgb

public static int hsvToRgb(double h,
                           double s,
                           double v,
                           Vec3 out)

Converts an HSV color value to RGB. Conversion formula adapted from http://en.wikipedia.org/wiki/HSV_color_space. Assumes h, s, and v are contained in the set [0, 1] and returns r, g, and b in the set [0, 255].

Parameters:

h - The hue

s - The saturation

v - The value

out - result rgb, may be ommited

Returns:

Array The RGB representation

hsvToRgb

public static int hsvToRgb(double h,
                           double s,
                           double v)

hslToRgb

public static int hslToRgb(double h,
                           double s,
                           double l)