Graphics.Color.Space.RGB.Luma

Luma

pattern Y' :: e -> Color Y' e

Constructor for Luma Y'. (Not to be confused with luminance Y)

Since: 0.1.0

pattern Y'A :: e -> e -> Color (Alpha Y') e

Constructor for Y' with alpha channel. (Not to be confused with luminance Y)

Since: 0.1.4

pattern Luma :: Color Y e -> Color Y' e

data Y'

Luma of a non-linear gamma corrected RGB color space. (Not to be confused with luminance Y)

Instances

Elevator e => ColorModel Y' e

Y' - as a color model

Defined in Graphics.Color.Space.RGB.Luma

Associated Types

type Components Y' e :: Type

Methods

toComponents :: Color Y' e -> Components Y' e

fromComponents :: Components Y' e -> Color Y' e

showsColorModelName :: Proxy (Color Y' e) -> ShowS

Functor (Color Y')

Y' - luma of a color space

Defined in Graphics.Color.Space.RGB.Luma

Methods

fmap :: (a -> b) -> Color Y' a -> Color Y' b

(<$) :: a -> Color Y' b -> Color Y' a

Applicative (Color Y')

Y' - luma of a color space

Defined in Graphics.Color.Space.RGB.Luma

Methods

pure :: a -> Color Y' a

(<*>) :: Color Y' (a -> b) -> Color Y' a -> Color Y' b

liftA2 :: (a -> b -> c) -> Color Y' a -> Color Y' b -> Color Y' c

(*>) :: Color Y' a -> Color Y' b -> Color Y' b

(<*) :: Color Y' a -> Color Y' b -> Color Y' a

Foldable (Color Y')

Y' - luma of a color space

Defined in Graphics.Color.Space.RGB.Luma

Methods

fold :: Monoid m => Color Y' m -> m

foldMap :: Monoid m => (a -> m) -> Color Y' a -> m

foldr :: (a -> b -> b) -> b -> Color Y' a -> b

foldr' :: (a -> b -> b) -> b -> Color Y' a -> b

foldl :: (b -> a -> b) -> b -> Color Y' a -> b

foldl' :: (b -> a -> b) -> b -> Color Y' a -> b

foldr1 :: (a -> a -> a) -> Color Y' a -> a

foldl1 :: (a -> a -> a) -> Color Y' a -> a

toList :: Color Y' a -> [a]

null :: Color Y' a -> Bool

length :: Color Y' a -> Int

elem :: Eq a => a -> Color Y' a -> Bool

maximum :: Ord a => Color Y' a -> a

minimum :: Ord a => Color Y' a -> a

sum :: Num a => Color Y' a -> a

product :: Num a => Color Y' a -> a

Traversable (Color Y')

Y' - luma of a color space

Defined in Graphics.Color.Space.RGB.Luma

Methods

traverse :: Applicative f => (a -> f b) -> Color Y' a -> f (Color Y' b)

sequenceA :: Applicative f => Color Y' (f a) -> f (Color Y' a)

mapM :: Monad m => (a -> m b) -> Color Y' a -> m (Color Y' b)

sequence :: Monad m => Color Y' (m a) -> m (Color Y' a)

Eq e => Eq (Color Y' e)

Y' - luma of a color space

Defined in Graphics.Color.Space.RGB.Luma

Methods

(==) :: Color Y' e -> Color Y' e -> Bool

(/=) :: Color Y' e -> Color Y' e -> Bool

Ord e => Ord (Color Y' e)

Y' - luma of a color space

Defined in Graphics.Color.Space.RGB.Luma

Methods

compare :: Color Y' e -> Color Y' e -> Ordering

(<) :: Color Y' e -> Color Y' e -> Bool

(<=) :: Color Y' e -> Color Y' e -> Bool

(>) :: Color Y' e -> Color Y' e -> Bool

(>=) :: Color Y' e -> Color Y' e -> Bool

max :: Color Y' e -> Color Y' e -> Color Y' e

min :: Color Y' e -> Color Y' e -> Color Y' e

Elevator e => Show (Color Y' e)

Y' - as a color model

Defined in Graphics.Color.Space.RGB.Luma

Methods

showsPrec :: Int -> Color Y' e -> ShowS

show :: Color Y' e -> String

showList :: [Color Y' e] -> ShowS

Storable e => Storable (Color Y' e)

Y' - luma of a color space

Defined in Graphics.Color.Space.RGB.Luma

Methods

sizeOf :: Color Y' e -> Int

alignment :: Color Y' e -> Int

peekElemOff :: Ptr (Color Y' e) -> Int -> IO (Color Y' e)

pokeElemOff :: Ptr (Color Y' e) -> Int -> Color Y' e -> IO ()

peekByteOff :: Ptr b -> Int -> IO (Color Y' e)

pokeByteOff :: Ptr b -> Int -> Color Y' e -> IO ()

peek :: Ptr (Color Y' e) -> IO (Color Y' e)

poke :: Ptr (Color Y' e) -> Color Y' e -> IO ()

newtype Color Y' e

Constructor for Luma.

Defined in Graphics.Color.Space.RGB.Luma

newtype Color Y' e = Luma (Color Y e)

type Components Y' e

Defined in Graphics.Color.Space.RGB.Luma

type Components Y' e = e

class Luma (cs :: Linearity -> Type) where

Minimal complete definition

rWeight, gWeight | rWeight, bWeight | gWeight, bWeight

Methods

rWeight :: RealFloat e => Weight cs e

gWeight :: RealFloat e => Weight cs e

bWeight :: RealFloat e => Weight cs e

Instances

Luma BT601_625

Defined in Graphics.Color.Space.RGB.ITU.Rec601

Methods

rWeight :: RealFloat e => Weight BT601_625 e

gWeight :: RealFloat e => Weight BT601_625 e

bWeight :: RealFloat e => Weight BT601_625 e

Luma BT601_525

Defined in Graphics.Color.Space.RGB.ITU.Rec601

Methods

rWeight :: RealFloat e => Weight BT601_525 e

gWeight :: RealFloat e => Weight BT601_525 e

bWeight :: RealFloat e => Weight BT601_525 e

Luma BT709

Defined in Graphics.Color.Space.RGB.ITU.Rec709

Methods

rWeight :: RealFloat e => Weight BT709 e

gWeight :: RealFloat e => Weight BT709 e

bWeight :: RealFloat e => Weight BT709 e

Luma SRGB

Defined in Graphics.Color.Space.RGB.SRGB

Methods

rWeight :: RealFloat e => Weight SRGB e

gWeight :: RealFloat e => Weight SRGB e

bWeight :: RealFloat e => Weight SRGB e

Luma (SRGB i)

Defined in Graphics.Color.Space.RGB.Derived.SRGB

Methods

rWeight :: RealFloat e => Weight (SRGB i) e

gWeight :: RealFloat e => Weight (SRGB i) e

bWeight :: RealFloat e => Weight (SRGB i) e

newtype Weight cs e

Constructors

Weight

Fields

• unWeight :: e

Instances

Functor (Weight cs)

Defined in Graphics.Color.Space.RGB.Luma

Methods

fmap :: (a -> b) -> Weight cs a -> Weight cs b

(<$) :: a -> Weight cs b -> Weight cs a

Eq e => Eq (Weight cs e)

Defined in Graphics.Color.Space.RGB.Luma

Methods

(==) :: Weight cs e -> Weight cs e -> Bool

(/=) :: Weight cs e -> Weight cs e -> Bool

Floating e => Floating (Weight cs e)

Defined in Graphics.Color.Space.RGB.Luma

Methods

pi :: Weight cs e

exp :: Weight cs e -> Weight cs e

log :: Weight cs e -> Weight cs e

sqrt :: Weight cs e -> Weight cs e

(**) :: Weight cs e -> Weight cs e -> Weight cs e

logBase :: Weight cs e -> Weight cs e -> Weight cs e

sin :: Weight cs e -> Weight cs e

cos :: Weight cs e -> Weight cs e

tan :: Weight cs e -> Weight cs e

asin :: Weight cs e -> Weight cs e

acos :: Weight cs e -> Weight cs e

atan :: Weight cs e -> Weight cs e

sinh :: Weight cs e -> Weight cs e

cosh :: Weight cs e -> Weight cs e

tanh :: Weight cs e -> Weight cs e

asinh :: Weight cs e -> Weight cs e

acosh :: Weight cs e -> Weight cs e

atanh :: Weight cs e -> Weight cs e

log1p :: Weight cs e -> Weight cs e

expm1 :: Weight cs e -> Weight cs e

log1pexp :: Weight cs e -> Weight cs e

log1mexp :: Weight cs e -> Weight cs e

Fractional e => Fractional (Weight cs e)

Defined in Graphics.Color.Space.RGB.Luma

Methods

(/) :: Weight cs e -> Weight cs e -> Weight cs e

recip :: Weight cs e -> Weight cs e

fromRational :: Rational -> Weight cs e

Num e => Num (Weight cs e)

Defined in Graphics.Color.Space.RGB.Luma

Methods

(+) :: Weight cs e -> Weight cs e -> Weight cs e

(-) :: Weight cs e -> Weight cs e -> Weight cs e

(*) :: Weight cs e -> Weight cs e -> Weight cs e

negate :: Weight cs e -> Weight cs e

abs :: Weight cs e -> Weight cs e

signum :: Weight cs e -> Weight cs e

fromInteger :: Integer -> Weight cs e

Show e => Show (Weight cs e)

Defined in Graphics.Color.Space.RGB.Luma

Methods

showsPrec :: Int -> Weight cs e -> ShowS

show :: Weight cs e -> String

showList :: [Weight cs e] -> ShowS

newtype Weights e

Constructors

Weights

Fields

• unWeights :: V3 e

Instances

Functor Weights

Defined in Graphics.Color.Model.Y

Methods

fmap :: (a -> b) -> Weights a -> Weights b

(<$) :: a -> Weights b -> Weights a

Eq e => Eq (Weights e)

Defined in Graphics.Color.Model.Y

Methods

(==) :: Weights e -> Weights e -> Bool

(/=) :: Weights e -> Weights e -> Bool

Floating e => Floating (Weights e)

Defined in Graphics.Color.Model.Y

Methods

pi :: Weights e

exp :: Weights e -> Weights e

log :: Weights e -> Weights e

sqrt :: Weights e -> Weights e

(**) :: Weights e -> Weights e -> Weights e

logBase :: Weights e -> Weights e -> Weights e

sin :: Weights e -> Weights e

cos :: Weights e -> Weights e

tan :: Weights e -> Weights e

asin :: Weights e -> Weights e

acos :: Weights e -> Weights e

atan :: Weights e -> Weights e

sinh :: Weights e -> Weights e

cosh :: Weights e -> Weights e

tanh :: Weights e -> Weights e

asinh :: Weights e -> Weights e

acosh :: Weights e -> Weights e

atanh :: Weights e -> Weights e

log1p :: Weights e -> Weights e

expm1 :: Weights e -> Weights e

log1pexp :: Weights e -> Weights e

log1mexp :: Weights e -> Weights e

Fractional e => Fractional (Weights e)

Defined in Graphics.Color.Model.Y

Methods

(/) :: Weights e -> Weights e -> Weights e

recip :: Weights e -> Weights e

fromRational :: Rational -> Weights e

Num e => Num (Weights e)

Defined in Graphics.Color.Model.Y

Methods

(+) :: Weights e -> Weights e -> Weights e

(-) :: Weights e -> Weights e -> Weights e

(*) :: Weights e -> Weights e -> Weights e

negate :: Weights e -> Weights e

abs :: Weights e -> Weights e

signum :: Weights e -> Weights e

fromInteger :: Integer -> Weights e

Elevator e => Show (Weights e)

Defined in Graphics.Color.Model.Y

Methods

showsPrec :: Int -> Weights e -> ShowS

show :: Weights e -> String

showList :: [Weights e] -> ShowS

rgbLuma :: forall cs i e' e. (Luma cs, RedGreenBlue cs i, Elevator e', Elevator e, RealFloat e) => Color (cs NonLinear) e' -> Color Y' e

Convert a non-linear RGB pixel to a luma pixel

Since: 0.1.0

rgbLumaWeights :: forall cs e' e. (Luma cs, RealFloat e) => Color (cs NonLinear) e' -> Weights e

Get the weights of a non-linear RGB color space that can be used for converting to Luma

Since: 0.1.4