Safe Haskell	Safe-Inferred
Language	Haskell2010

HSLuv

Description

Haskell port of the perceptually-uniform HSLuv colorspace model (http:/www.hsluv.org).

Synopsis

newtype RGBRed = RGBRed Double
newtype RGBGreen = RGBGreen Double
newtype RGBBlue = RGBBlue Double
data RGB = RGB RGBRed RGBGreen RGBBlue
newtype XYZX = XYZX Double
newtype XYZY = XYZY Double
newtype XYZZ = XYZZ Double
data XYZ = XYZ XYZX XYZY XYZZ
newtype LUVLightness = LUVLightness Double
newtype LUVU = LUVU Double
newtype LUVV = LUVV Double
data LUV = LUV LUVLightness LUVU LUVV
newtype LCHLightness = LCHLightness Double
newtype LCHChroma = LCHChroma Double
newtype LCHHue = LCHHue Double
data LCH = LCH LCHLightness LCHChroma LCHHue
newtype HSLuvHue = HSLuvHue Double
newtype HSLuvSaturation = HSLuvSaturation Double
newtype HSLuvLightness = HSLuvLightness Double
data HSLuv = HSLuv HSLuvHue HSLuvSaturation HSLuvLightness
newtype HPLuvHue = HPLuvHue Double
newtype HPLuvPastel = HPLuvPastel Double
newtype HPLuvLightness = HPLuvLightness Double
data HPLuv = HPLuv HPLuvHue HPLuvPastel HPLuvLightness
getBounds :: HSLuvLightness -> [Line]
maxSafeChromaForL :: HSLuvLightness -> LCHChroma
maxChromaForLH :: HSLuvLightness -> HSLuvHue -> LCHChroma
xyzToRgb :: XYZ -> RGB
rgbToXyz :: RGB -> XYZ
yToL :: XYZY -> LUVLightness
lToY :: LUVLightness -> XYZY
xyzToLuv :: XYZ -> LUV
luvToXyz :: LUV -> XYZ
luvToLch :: LUV -> LCH
lchToLuv :: LCH -> LUV
hsluvToLchWith :: (HSLuvLightness -> HSLuvHue -> LCHChroma) -> HSLuv -> LCH
lchToHsluvWith :: (HSLuvLightness -> HSLuvHue -> LCHChroma) -> LCH -> HSLuv
hsluvToLch :: HSLuv -> LCH
lchToHsluv :: LCH -> HSLuv
hpluvToLch :: HPLuv -> LCH
lchToHpluv :: LCH -> HPLuv
rgbToHex :: RGB -> String
hexToRgb :: String -> Maybe RGB
lchToRgb :: LCH -> RGB
rgbToLch :: RGB -> LCH
hsluvToRgb :: HSLuv -> RGB
rgbToHsluv :: RGB -> HSLuv
hpluvToRgb :: HPLuv -> RGB
rgbToHpluv :: RGB -> HPLuv
hsluvToHex :: HSLuv -> String
hpluvToHex :: HPLuv -> String
hexToHsluv :: String -> Maybe HSLuv
hexToHpluv :: String -> Maybe HPLuv
hsluvToColour :: HSLuv -> Colour Double
colourToHsluv :: Colour Double -> HSLuv
hpluvToColour :: HPLuv -> Colour Double
colourToHpluv :: Colour Double -> HPLuv

Documentation

newtype RGBRed Source #

Value in [0, 1].

Constructors

RGBRed Double

Instances

Instances details

Show RGBRed Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> RGBRed -> ShowS # show :: RGBRed -> String # showList :: [RGBRed] -> ShowS #
Eq RGBRed Source #
Instance details Defined in HSLuv Methods (==) :: RGBRed -> RGBRed -> Bool # (/=) :: RGBRed -> RGBRed -> Bool #

newtype RGBGreen Source #

Value in [0, 1].

Constructors

RGBGreen Double

Instances

Instances details

Show RGBGreen Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> RGBGreen -> ShowS # show :: RGBGreen -> String # showList :: [RGBGreen] -> ShowS #
Eq RGBGreen Source #
Instance details Defined in HSLuv Methods (==) :: RGBGreen -> RGBGreen -> Bool # (/=) :: RGBGreen -> RGBGreen -> Bool #

newtype RGBBlue Source #

Value in [0, 1].

Constructors

RGBBlue Double

Instances

Instances details

Show RGBBlue Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> RGBBlue -> ShowS # show :: RGBBlue -> String # showList :: [RGBBlue] -> ShowS #
Eq RGBBlue Source #
Instance details Defined in HSLuv Methods (==) :: RGBBlue -> RGBBlue -> Bool # (/=) :: RGBBlue -> RGBBlue -> Bool #

data RGB Source #

Values in [0, 1].

Constructors

RGB RGBRed RGBGreen RGBBlue

Instances

Instances details

Show RGB Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> RGB -> ShowS # show :: RGB -> String # showList :: [RGB] -> ShowS #
Eq RGB Source #
Instance details Defined in HSLuv Methods (==) :: RGB -> RGB -> Bool # (/=) :: RGB -> RGB -> Bool #

newtype XYZX Source #

Value in [0, 1].

Constructors

XYZX Double

Instances

Instances details

Show XYZX Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> XYZX -> ShowS # show :: XYZX -> String # showList :: [XYZX] -> ShowS #
Eq XYZX Source #
Instance details Defined in HSLuv Methods (==) :: XYZX -> XYZX -> Bool # (/=) :: XYZX -> XYZX -> Bool #

newtype XYZY Source #

Value in [0, 1].

Constructors

XYZY Double

Instances

Instances details

Show XYZY Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> XYZY -> ShowS # show :: XYZY -> String # showList :: [XYZY] -> ShowS #
Eq XYZY Source #
Instance details Defined in HSLuv Methods (==) :: XYZY -> XYZY -> Bool # (/=) :: XYZY -> XYZY -> Bool #

newtype XYZZ Source #

Value in [0, 1].

Constructors

XYZZ Double

Instances

Instances details

Show XYZZ Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> XYZZ -> ShowS # show :: XYZZ -> String # showList :: [XYZZ] -> ShowS #
Eq XYZZ Source #
Instance details Defined in HSLuv Methods (==) :: XYZZ -> XYZZ -> Bool # (/=) :: XYZZ -> XYZZ -> Bool #

data XYZ Source #

Values in [0, 1].

Constructors

XYZ XYZX XYZY XYZZ

Instances

Instances details

Show XYZ Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> XYZ -> ShowS # show :: XYZ -> String # showList :: [XYZ] -> ShowS #
Eq XYZ Source #
Instance details Defined in HSLuv Methods (==) :: XYZ -> XYZ -> Bool # (/=) :: XYZ -> XYZ -> Bool #

newtype LUVLightness Source #

Constructors

LUVLightness Double

Instances

Instances details

Show LUVLightness Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> LUVLightness -> ShowS # show :: LUVLightness -> String # showList :: [LUVLightness] -> ShowS #
Eq LUVLightness Source #
Instance details Defined in HSLuv Methods (==) :: LUVLightness -> LUVLightness -> Bool # (/=) :: LUVLightness -> LUVLightness -> Bool #

newtype LUVU Source #

Constructors

LUVU Double

Instances

Instances details

Show LUVU Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> LUVU -> ShowS # show :: LUVU -> String # showList :: [LUVU] -> ShowS #
Eq LUVU Source #
Instance details Defined in HSLuv Methods (==) :: LUVU -> LUVU -> Bool # (/=) :: LUVU -> LUVU -> Bool #

newtype LUVV Source #

Constructors

LUVV Double

Instances

Instances details

Show LUVV Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> LUVV -> ShowS # show :: LUVV -> String # showList :: [LUVV] -> ShowS #
Eq LUVV Source #
Instance details Defined in HSLuv Methods (==) :: LUVV -> LUVV -> Bool # (/=) :: LUVV -> LUVV -> Bool #

data LUV Source #

Constructors

LUV LUVLightness LUVU LUVV

Instances

Instances details

Show LUV Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> LUV -> ShowS # show :: LUV -> String # showList :: [LUV] -> ShowS #
Eq LUV Source #
Instance details Defined in HSLuv Methods (==) :: LUV -> LUV -> Bool # (/=) :: LUV -> LUV -> Bool #

newtype LCHLightness Source #

Constructors

LCHLightness Double

Instances

Instances details

Show LCHLightness Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> LCHLightness -> ShowS # show :: LCHLightness -> String # showList :: [LCHLightness] -> ShowS #
Eq LCHLightness Source #
Instance details Defined in HSLuv Methods (==) :: LCHLightness -> LCHLightness -> Bool # (/=) :: LCHLightness -> LCHLightness -> Bool #

newtype LCHChroma Source #

Constructors

LCHChroma Double

Instances

Instances details

Show LCHChroma Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> LCHChroma -> ShowS # show :: LCHChroma -> String # showList :: [LCHChroma] -> ShowS #
Eq LCHChroma Source #
Instance details Defined in HSLuv Methods (==) :: LCHChroma -> LCHChroma -> Bool # (/=) :: LCHChroma -> LCHChroma -> Bool #

newtype LCHHue Source #

Constructors

LCHHue Double

Instances

Instances details

Show LCHHue Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> LCHHue -> ShowS # show :: LCHHue -> String # showList :: [LCHHue] -> ShowS #
Eq LCHHue Source #
Instance details Defined in HSLuv Methods (==) :: LCHHue -> LCHHue -> Bool # (/=) :: LCHHue -> LCHHue -> Bool #

data LCH Source #

Constructors

LCH LCHLightness LCHChroma LCHHue

Instances

Instances details

Show LCH Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> LCH -> ShowS # show :: LCH -> String # showList :: [LCH] -> ShowS #
Eq LCH Source #
Instance details Defined in HSLuv Methods (==) :: LCH -> LCH -> Bool # (/=) :: LCH -> LCH -> Bool #

newtype HSLuvHue Source #

Value in [0, 360].

Constructors

HSLuvHue Double

Instances

Instances details

Show HSLuvHue Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> HSLuvHue -> ShowS # show :: HSLuvHue -> String # showList :: [HSLuvHue] -> ShowS #
Eq HSLuvHue Source #
Instance details Defined in HSLuv Methods (==) :: HSLuvHue -> HSLuvHue -> Bool # (/=) :: HSLuvHue -> HSLuvHue -> Bool #

newtype HSLuvSaturation Source #

Value in [0, 100].

Constructors

HSLuvSaturation Double

Instances

Instances details

Show HSLuvSaturation Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> HSLuvSaturation -> ShowS # show :: HSLuvSaturation -> String # showList :: [HSLuvSaturation] -> ShowS #
Eq HSLuvSaturation Source #
Instance details Defined in HSLuv Methods (==) :: HSLuvSaturation -> HSLuvSaturation -> Bool # (/=) :: HSLuvSaturation -> HSLuvSaturation -> Bool #

newtype HSLuvLightness Source #

Value in [0, 100].

Constructors

HSLuvLightness Double

Instances

Instances details

Show HSLuvLightness Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> HSLuvLightness -> ShowS # show :: HSLuvLightness -> String # showList :: [HSLuvLightness] -> ShowS #
Eq HSLuvLightness Source #
Instance details Defined in HSLuv Methods (==) :: HSLuvLightness -> HSLuvLightness -> Bool # (/=) :: HSLuvLightness -> HSLuvLightness -> Bool #

data HSLuv Source #

Values in [0, 360]; [0, 100]; [0, 100].

Constructors

HSLuv HSLuvHue HSLuvSaturation HSLuvLightness

Instances

Instances details

Show HSLuv Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> HSLuv -> ShowS # show :: HSLuv -> String # showList :: [HSLuv] -> ShowS #
Eq HSLuv Source #
Instance details Defined in HSLuv Methods (==) :: HSLuv -> HSLuv -> Bool # (/=) :: HSLuv -> HSLuv -> Bool #

newtype HPLuvHue Source #

Value in [0, 360].

Constructors

HPLuvHue Double

Instances

Instances details

Show HPLuvHue Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> HPLuvHue -> ShowS # show :: HPLuvHue -> String # showList :: [HPLuvHue] -> ShowS #
Eq HPLuvHue Source #
Instance details Defined in HSLuv Methods (==) :: HPLuvHue -> HPLuvHue -> Bool # (/=) :: HPLuvHue -> HPLuvHue -> Bool #

newtype HPLuvPastel Source #

Value in [0, 100].

Constructors

HPLuvPastel Double

Instances

Instances details

Show HPLuvPastel Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> HPLuvPastel -> ShowS # show :: HPLuvPastel -> String # showList :: [HPLuvPastel] -> ShowS #
Eq HPLuvPastel Source #
Instance details Defined in HSLuv Methods (==) :: HPLuvPastel -> HPLuvPastel -> Bool # (/=) :: HPLuvPastel -> HPLuvPastel -> Bool #

newtype HPLuvLightness Source #

Value in [0, 100].

Constructors

HPLuvLightness Double

Instances

Instances details

Show HPLuvLightness Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> HPLuvLightness -> ShowS # show :: HPLuvLightness -> String # showList :: [HPLuvLightness] -> ShowS #
Eq HPLuvLightness Source #
Instance details Defined in HSLuv Methods (==) :: HPLuvLightness -> HPLuvLightness -> Bool # (/=) :: HPLuvLightness -> HPLuvLightness -> Bool #

data HPLuv Source #

Values in [0, 360]; [0, 100]; [0, 100].

Constructors

HPLuv HPLuvHue HPLuvPastel HPLuvLightness

Instances

Instances details

Show HPLuv Source #
Instance details Defined in HSLuv Methods showsPrec :: Int -> HPLuv -> ShowS # show :: HPLuv -> String # showList :: [HPLuv] -> ShowS #
Eq HPLuv Source #
Instance details Defined in HSLuv Methods (==) :: HPLuv -> HPLuv -> Bool # (/=) :: HPLuv -> HPLuv -> Bool #

getBounds :: HSLuvLightness -> [Line] Source #

For a given lightness, return a list of 6 lines in slope-intercept form that represent the bounds in CIELUV, stepping over which will push a value out of the RGB gamut.

maxSafeChromaForL :: HSLuvLightness -> LCHChroma Source #

For given lightness, returns the maximum chroma. Keeping the chroma value below this number will ensure that for any hue, the color is within the RGB gamut.

maxChromaForLH :: HSLuvLightness -> HSLuvHue -> LCHChroma Source #

xyzToRgb :: XYZ -> RGB Source #

rgbToXyz :: RGB -> XYZ Source #

yToL :: XYZY -> LUVLightness Source #

lToY :: LUVLightness -> XYZY Source #

xyzToLuv :: XYZ -> LUV Source #

luvToXyz :: LUV -> XYZ Source #

luvToLch :: LUV -> LCH Source #

lchToLuv :: LCH -> LUV Source #

hsluvToLchWith :: (HSLuvLightness -> HSLuvHue -> LCHChroma) -> HSLuv -> LCH Source #

lchToHsluvWith :: (HSLuvLightness -> HSLuvHue -> LCHChroma) -> LCH -> HSLuv Source #

hsluvToLch :: HSLuv -> LCH Source #