| Copyright | (c) Alexey Kuleshevich 2018 |
|---|---|
| License | BSD3 |
| Maintainer | Alexey Kuleshevich <lehins@yandex.ru> |
| Stability | experimental |
| Portability | non-portable |
| Safe Haskell | None |
| Language | Haskell2010 |
Graphics.ColorSpace
Contents
Description
- data family Pixel cs e :: *
- class (Eq cs, Enum cs, Show cs, Bounded cs, Typeable cs, Functor (Pixel cs), Applicative (Pixel cs), Foldable (Pixel cs), Eq (Pixel cs e), Unbox (Components cs e), Storable (Pixel cs e), Elevator e) => ColorSpace cs e where
- type Components cs e
- class (ColorSpace (Opaque cs) e, ColorSpace cs e) => AlphaSpace cs e where
- type Opaque cs
- toPixelY :: ToY cs e => Pixel cs e -> Pixel Y Double
- toPixelYA :: ToYA cs e => Pixel cs e -> Pixel YA Double
- toPixelRGB :: ToRGB cs e => Pixel cs e -> Pixel RGB Double
- toPixelRGBA :: ToRGBA cs e => Pixel cs e -> Pixel RGBA Double
- toPixelHSI :: ToHSI cs e => Pixel cs e -> Pixel HSI Double
- toPixelHSIA :: ToHSIA cs e => Pixel cs e -> Pixel HSIA Double
- toPixelCMYK :: ToCMYK cs e => Pixel cs e -> Pixel CMYK Double
- toPixelCMYKA :: ToCMYKA cs e => Pixel cs e -> Pixel CMYKA Double
- toPixelYCbCr :: ToYCbCr cs e => Pixel cs e -> Pixel YCbCr Double
- toPixelYCbCrA :: ToYCbCrA cs e => Pixel cs e -> Pixel YCbCrA Double
- toPixelBinary :: ColorSpace cs e => Pixel cs e -> Pixel X Bit
- fromPixelBinary :: Pixel X Bit -> Pixel Y Word8
- module Graphics.ColorSpace.Binary
- module Graphics.ColorSpace.Complex
- toPixelsX :: ColorSpace cs e => Pixel cs e -> [Pixel X e]
- fromPixelsX :: ColorSpace cs e => [(cs, Pixel X e)] -> Pixel cs e
- eqTolPx :: (ColorSpace cs e, Ord e) => e -> Pixel cs e -> Pixel cs e -> Bool
- data Y = LumaY
- data YA
- class ColorSpace cs e => ToY cs e where
- class ToY cs e => ToYA cs e where
- data RGB
- data RGBA
- class ColorSpace cs e => ToRGB cs e where
- class ToRGB cs e => ToRGBA cs e where
- data HSI
- data HSIA
- class ColorSpace cs e => ToHSI cs e where
- class ToHSI cs e => ToHSIA cs e where
- data CMYK
- data CMYKA
- class ColorSpace cs e => ToCMYK cs e where
- class ToCMYK cs e => ToCMYKA cs e where
- data YCbCr
- data YCbCrA
- class ColorSpace cs e => ToYCbCr cs e where
- class ToYCbCr cs e => ToYCbCrA cs e where
- data X = X
- class (Eq e, Num e, Typeable e, Unbox e, Storable e) => Elevator e where
- toWord8 :: (Functor (Pixel cs), Elevator e) => Pixel cs e -> Pixel cs Word8
- toWord16 :: (Functor (Pixel cs), Elevator e) => Pixel cs e -> Pixel cs Word16
- toWord32 :: (Functor (Pixel cs), Elevator e) => Pixel cs e -> Pixel cs Word32
- toWord64 :: (Functor (Pixel cs), Elevator e) => Pixel cs e -> Pixel cs Word64
- toFloat :: (Functor (Pixel cs), Elevator e) => Pixel cs e -> Pixel cs Float
- toDouble :: (Functor (Pixel cs), Elevator e) => Pixel cs e -> Pixel cs Double
- fromDouble :: (Functor (Pixel cs), Elevator e) => Pixel cs Double -> Pixel cs e
- data Word8 :: *
- data Word16 :: *
- data Word32 :: *
- data Word64 :: *
Pixels
Family of Pixels
Pixel is a type family for all available color spaces. Below is the listed of all class instances, that pixels are installed in, as well as all pixel constructors.
>>>:t (PixelY 0) -- Black pixel in Luma(PixelY 0) :: Num e => Pixel Y e>>>PixelRGB 255 0 0 :: Pixel RGB Word8 -- Red pixel in RGB<RGB:(255|0|0)>>>>PixelRGB 1 0 0 :: Pixel RGB Double -- Same red pixel in RGB with Double precision.<RGB:(1.0|0.0|0.0)>>>>(PixelRGB 255 0 0 :: Pixel RGB Word8) == (toWord8 <$> (PixelRGB 1 0 0 :: Pixel RGB Double))True
A Pixel family with a color space and a precision of elements.
Instances
class (Eq cs, Enum cs, Show cs, Bounded cs, Typeable cs, Functor (Pixel cs), Applicative (Pixel cs), Foldable (Pixel cs), Eq (Pixel cs e), Unbox (Components cs e), Storable (Pixel cs e), Elevator e) => ColorSpace cs e where #
Minimal complete definition
toComponents, fromComponents, getPxC, setPxC, mapPxC, foldlPx2
Associated Types
type Components cs e #
Methods
toComponents :: Pixel cs e -> Components cs e #
Convert a Pixel to a representation suitable for storage as an unboxed element, usually a tuple of channels.
fromComponents :: Components cs e -> Pixel cs e #
Convert from an elemnt representation back to a Pixel.
Deprecated: Use pure from Applicative instead
Construt a Pixel by replicating the same value across all of the components.
getPxC :: Pixel cs e -> cs -> e #
Retrieve Pixel's component value
setPxC :: Pixel cs e -> cs -> e -> Pixel cs e #
Set Pixel's component value
mapPxC :: (cs -> e -> e) -> Pixel cs e -> Pixel cs e #
Map a channel aware function over all Pixel's components.
foldlPx2 :: (b -> e -> e -> b) -> b -> Pixel cs e -> Pixel cs e -> b #
Left fold on two pixels a the same time. If accumulator is nutrual to the folding funciton
then it's equivalent to foldlPx2 f acc px1 px2 == foldl' acc (liftA2 (f acc) px1 px2)
liftPx :: (e -> e) -> Pixel cs e -> Pixel cs e #
liftPx2 :: (e -> e -> e) -> Pixel cs e -> Pixel cs e -> Pixel cs e #
Deprecated: Use liftA2 from Applicative instead
Zip two Pixels with a function.
foldrPx :: (e -> b -> b) -> b -> Pixel cs e -> b #
Instances
| Elevator e => ColorSpace HSIA e # | |
| Elevator e => ColorSpace HSI e # | |
| Elevator e => ColorSpace CMYKA e # | |
| Elevator e => ColorSpace CMYK e # | |
| Elevator e => ColorSpace RGBA e # | |
| Elevator e => ColorSpace RGB e # | |
| Elevator e => ColorSpace X e # | |
| Elevator e => ColorSpace YA e # | |
| Elevator e => ColorSpace Y e # | |
| Elevator e => ColorSpace YCbCrA e # | |
| Elevator e => ColorSpace YCbCr e # | |
class (ColorSpace (Opaque cs) e, ColorSpace cs e) => AlphaSpace cs e where #
A color space that supports transparency.
Methods
Get an alpha channel of a transparant pixel.
addAlpha :: e -> Pixel (Opaque cs) e -> Pixel cs e #
Add an alpha channel to an opaque pixel.
addAlpha 0 (PixelHSI 1 2 3) == PixelHSIA 1 2 3 0
dropAlpha :: Pixel cs e -> Pixel (Opaque cs) e #
Convert a transparent pixel to an opaque one by dropping the alpha channel.
dropAlpha (PixelRGBA 1 2 3 4) == PixelRGB 1 2 3
Instances
| Elevator e => AlphaSpace HSIA e # | |
| Elevator e => AlphaSpace CMYKA e # | |
| Elevator e => AlphaSpace RGBA e # | |
| Elevator e => AlphaSpace YA e # | |
| Elevator e => AlphaSpace YCbCrA e # | |
Luma (gray scale)
Conversion to Luma from other color spaces.
RGB
Conversion to RGB from other color spaces.
HSI
Conversion to HSI from other color spaces.
CMYK
Conversion to CMYK from other color spaces.
YCbCr
Conversion to YCbCr from other color spaces.
Binary
This is a Binary colorspace, pixel's of which can be created using these constructors:
on- Represents value
1orTrue. It's a foreground pixel and is displayed in black. off- Represents value
0orFalse. It's a background pixel and is displayed in white.
Note, that values are inverted before writing to or reading from file, since
grayscale images represent black as a 0 value and white as 1 on a
[0,1] scale.
Binary pixels also behave as binary numbers with a size of 1-bit, for instance:
>>>on + on -- equivalent to: 1 .|. 1<Binary:(1)>>>>(on + on) * off -- equivalent to: (1 .|. 1) .&. 0<Binary:(0)>>>>(on + on) - on<Binary:(0)>
toPixelBinary :: ColorSpace cs e => Pixel cs e -> Pixel X Bit #
Convert to a Binary pixel.
module Graphics.ColorSpace.Binary
Complex
module Graphics.ColorSpace.Complex
X
toPixelsX :: ColorSpace cs e => Pixel cs e -> [Pixel X e] #
Separate a Pixel into a list of components with X pixels containing every
component from the pixel.
>>>toPixelsX (PixelRGB 4 5 6)[<X:(4)>,<X:(5)>,<X:(6)>]
fromPixelsX :: ColorSpace cs e => [(cs, Pixel X e)] -> Pixel cs e #
Combine a list of X pixels into a Pixel with a specified channel
order. Not the most efficient way to construct a pixel, but might prove
useful to someone.
>>>fromPixelsX [(RedRGB, 3), (BlueRGB, 5), (GreenRGB, 4)]<RGB:(3.0|4.0|5.0)>>>>fromPixelsX $ zip (enumFrom RedRGB) (toPixelsX $ PixelRGB 4 5 6)<RGB:(4.0|5.0|6.0)>
ColorSpace
Operations on Pixels
Luma
Luma or brightness, which is usually denoted as Y'.
Constructors
| LumaY |
Instances
| Bounded Y # | |
| Enum Y # | |
| Eq Y # | |
| Show Y # | |
| Elevator e => ColorSpace Y e # | |
| ToYCbCr Y e => ToYCbCrA Y e # | |
| Elevator e => ToYCbCr Y e # | |
| ToCMYK Y e => ToCMYKA Y e # | |
| Elevator e => ToCMYK Y e # | |
| ToHSI Y e => ToHSIA Y e # | |
| Elevator e => ToHSI Y e # | |
| ToRGB Y e => ToRGBA Y e # | |
| Elevator e => ToRGB Y e # | |
| ToY Y e => ToYA Y e # | |
| Elevator e => ToY Y e # | |
| Monad (Pixel Y) # | |
| Functor (Pixel Y) # | |
| Applicative (Pixel Y) # | |
| Foldable (Pixel Y) # | |
| Eq e => Eq (Pixel Y e) # | |
| Ord e => Ord (Pixel Y e) # | |
| Show e => Show (Pixel Y e) # | |
| Storable e => Storable (Pixel Y e) # | |
| data Pixel Y # | |
| type Components Y e # | |
Luma with Alpha channel.
Instances
| Bounded YA # | |
| Enum YA # | |
| Eq YA # | |
| Show YA # | |
| Elevator e => AlphaSpace YA e # | |
| Elevator e => ColorSpace YA e # | |
| Elevator e => ToYCbCrA YA e # | |
| Elevator e => ToYCbCr YA e # | |
| Elevator e => ToCMYKA YA e # | |
| Elevator e => ToCMYK YA e # | |
| Elevator e => ToHSIA YA e # | |
| Elevator e => ToHSI YA e # | |
| Elevator e => ToRGBA YA e # | |
| Elevator e => ToRGB YA e # | |
| Elevator e => ToYA YA e # | |
| Elevator e => ToY YA e # | |
| Functor (Pixel YA) # | |
| Applicative (Pixel YA) # | |
| Foldable (Pixel YA) # | |
| Eq e => Eq (Pixel YA e) # | |
| Ord e => Ord (Pixel YA e) # | |
| Show e => Show (Pixel YA e) # | |
| Storable e => Storable (Pixel YA e) # | |
| type Opaque YA # | |
| data Pixel YA # | |
| type Components YA e # | |
class ColorSpace cs e => ToY cs e where #
Conversion to Luma color space.
Minimal complete definition
Instances
| Elevator e => ToY HSIA e # | |
| Elevator e => ToY HSI e # | |
| Elevator e => ToY CMYKA e # | |
| Elevator e => ToY CMYK e # | |
| Elevator e => ToY RGBA e # | |
| Elevator e => ToY RGB e # | Computes Luma: |
| Elevator e => ToY X e # | |
| Elevator e => ToY YA e # | |
| Elevator e => ToY Y e # | |
| Elevator e => ToY YCbCrA e # | |
| Elevator e => ToY YCbCr e # | |
RGB
Red, Green and Blue color space.
Instances
| Bounded RGB # | |
| Enum RGB # | |
| Eq RGB # | |
| Show RGB # | |
| Elevator e => ColorSpace RGB e # | |
| ToYCbCr RGB e => ToYCbCrA RGB e # | |
| Elevator e => ToYCbCr RGB e # | |
| ToCMYK RGB e => ToCMYKA RGB e # | |
| Elevator e => ToCMYK RGB e # | |
| ToHSI RGB e => ToHSIA RGB e # | |
| Elevator e => ToHSI RGB e # | |
| ToRGB RGB e => ToRGBA RGB e # | |
| Elevator e => ToRGB RGB e # | |
| ToY RGB e => ToYA RGB e # | |
| Elevator e => ToY RGB e # | Computes Luma: |
| Functor (Pixel RGB) # | |
| Applicative (Pixel RGB) # | |
| Foldable (Pixel RGB) # | |
| Eq e => Eq (Pixel RGB e) # | |
| Ord e => Ord (Pixel RGB e) # | |
| Show e => Show (Pixel RGB e) # | |
| Storable e => Storable (Pixel RGB e) # | |
| data Pixel RGB # | |
| type Components RGB e # | |
Red, Green and Blue color space with Alpha channel.
Instances
| Bounded RGBA # | |
| Enum RGBA # | |
| Eq RGBA # | |
| Show RGBA # | |
| Elevator e => AlphaSpace RGBA e # | |
| Elevator e => ColorSpace RGBA e # | |
| Elevator e => ToYCbCrA RGBA e # | |
| Elevator e => ToYCbCr RGBA e # | |
| Elevator e => ToCMYKA RGBA e # | |
| Elevator e => ToCMYK RGBA e # | |
| Elevator e => ToHSIA RGBA e # | |
| Elevator e => ToHSI RGBA e # | |
| Elevator e => ToRGBA RGBA e # | |
| Elevator e => ToRGB RGBA e # | |
| Elevator e => ToYA RGBA e # | |
| Elevator e => ToY RGBA e # | |
| Functor (Pixel RGBA) # | |
| Applicative (Pixel RGBA) # | |
| Foldable (Pixel RGBA) # | |
| Eq e => Eq (Pixel RGBA e) # | |
| Ord e => Ord (Pixel RGBA e) # | |
| Show e => Show (Pixel RGBA e) # | |
| Storable e => Storable (Pixel RGBA e) # | |
| type Opaque RGBA # | |
| data Pixel RGBA # | |
| type Components RGBA e # | |
class ColorSpace cs e => ToRGB cs e where #
Conversion to RGB color space.
Minimal complete definition
Instances
| Elevator e => ToRGB HSIA e # | |
| Elevator e => ToRGB HSI e # | |
| Elevator e => ToRGB CMYKA e # | |
| Elevator e => ToRGB CMYK e # | |
| Elevator e => ToRGB RGBA e # | |
| Elevator e => ToRGB RGB e # | |
| ToRGB X Bit # | |
| Elevator e => ToRGB YA e # | |
| Elevator e => ToRGB Y e # | |
| Elevator e => ToRGB YCbCrA e # | |
| Elevator e => ToRGB YCbCr e # | |
class ToRGB cs e => ToRGBA cs e where #
Conversion to RGBA from another color space with Alpha channel.
Instances
| Elevator e => ToRGBA HSIA e # | |
| ToRGB HSI e => ToRGBA HSI e # | |
| Elevator e => ToRGBA CMYKA e # | |
| ToRGB CMYK e => ToRGBA CMYK e # | |
| Elevator e => ToRGBA RGBA e # | |
| ToRGB RGB e => ToRGBA RGB e # | |
| ToRGBA X Bit # | |
| Elevator e => ToRGBA YA e # | |
| ToRGB Y e => ToRGBA Y e # | |
| Elevator e => ToRGBA YCbCrA e # | |
| ToRGB YCbCr e => ToRGBA YCbCr e # | |
HSI
Hue, Saturation and Intensity color space.
Instances
| Bounded HSI # | |
| Enum HSI # | |
| Eq HSI # | |
| Show HSI # | |
| Elevator e => ColorSpace HSI e # | |
| ToYCbCr HSI e => ToYCbCrA HSI e # | |
| Elevator e => ToYCbCr HSI e # | |
| ToCMYK HSI e => ToCMYKA HSI e # | |
| Elevator e => ToCMYK HSI e # | |
| ToHSI HSI e => ToHSIA HSI e # | |
| Elevator e => ToHSI HSI e # | |
| ToRGB HSI e => ToRGBA HSI e # | |
| Elevator e => ToRGB HSI e # | |
| ToY HSI e => ToYA HSI e # | |
| Elevator e => ToY HSI e # | |
| Functor (Pixel HSI) # | |
| Applicative (Pixel HSI) # | |
| Foldable (Pixel HSI) # | |
| Eq e => Eq (Pixel HSI e) # | |
| Ord e => Ord (Pixel HSI e) # | |
| Show e => Show (Pixel HSI e) # | |
| Storable e => Storable (Pixel HSI e) # | |
| data Pixel HSI # | |
| type Components HSI e # | |
Hue, Saturation and Intensity color space with Alpha channel.
Instances
| Bounded HSIA # | |
| Enum HSIA # | |
| Eq HSIA # | |
| Show HSIA # | |
| Elevator e => AlphaSpace HSIA e # | |
| Elevator e => ColorSpace HSIA e # | |
| Elevator e => ToYCbCrA HSIA e # | |
| Elevator e => ToYCbCr HSIA e # | |
| Elevator e => ToCMYKA HSIA e # | |
| Elevator e => ToCMYK HSIA e # | |
| Elevator e => ToHSIA HSIA e # | |
| Elevator e => ToHSI HSIA e # | |
| Elevator e => ToRGBA HSIA e # | |
| Elevator e => ToRGB HSIA e # | |
| Elevator e => ToYA HSIA e # | |
| Elevator e => ToY HSIA e # | |
| Functor (Pixel HSIA) # | |
| Applicative (Pixel HSIA) # | |
| Foldable (Pixel HSIA) # | |
| Eq e => Eq (Pixel HSIA e) # | |
| Ord e => Ord (Pixel HSIA e) # | |
| Show e => Show (Pixel HSIA e) # | |
| Storable e => Storable (Pixel HSIA e) # | |
| type Opaque HSIA # | |
| data Pixel HSIA # | |
| type Components HSIA e # | |
class ColorSpace cs e => ToHSI cs e where #
Conversion to HSI color space.
Minimal complete definition
class ToHSI cs e => ToHSIA cs e where #
Conversion to HSIA from another color space with Alpha channel.
Instances
| Elevator e => ToHSIA HSIA e # | |
| ToHSI HSI e => ToHSIA HSI e # | |
| Elevator e => ToHSIA CMYKA e # | |
| ToHSI CMYK e => ToHSIA CMYK e # | |
| Elevator e => ToHSIA RGBA e # | |
| ToHSI RGB e => ToHSIA RGB e # | |
| Elevator e => ToHSIA YA e # | |
| ToHSI Y e => ToHSIA Y e # | |
| Elevator e => ToHSIA YCbCrA e # | |
| ToHSI YCbCr e => ToHSIA YCbCr e # | |
CMYK
Cyan, Magenta, Yellow and Black color space.
Instances
| Bounded CMYK # | |
| Enum CMYK # | |
| Eq CMYK # | |
| Show CMYK # | |
| Elevator e => ColorSpace CMYK e # | |
| ToYCbCr CMYK e => ToYCbCrA CMYK e # | |
| Elevator e => ToYCbCr CMYK e # | |
| ToCMYK CMYK e => ToCMYKA CMYK e # | |
| Elevator e => ToCMYK CMYK e # | |
| ToHSI CMYK e => ToHSIA CMYK e # | |
| Elevator e => ToHSI CMYK e # | |
| ToRGB CMYK e => ToRGBA CMYK e # | |
| Elevator e => ToRGB CMYK e # | |
| ToY CMYK e => ToYA CMYK e # | |
| Elevator e => ToY CMYK e # | |
| Functor (Pixel CMYK) # | |
| Applicative (Pixel CMYK) # | |
| Foldable (Pixel CMYK) # | |
| Eq e => Eq (Pixel CMYK e) # | |
| Ord e => Ord (Pixel CMYK e) # | |
| Show e => Show (Pixel CMYK e) # | |
| Storable e => Storable (Pixel CMYK e) # | |
| data Pixel CMYK # | |
| type Components CMYK e # | |
Cyan, Magenta, Yellow and Black color space with Alpha channel.
Constructors
| CyanCMYKA | Cyan |
| MagCMYKA | Magenta |
| YelCMYKA | Yellow |
| KeyCMYKA | Key (Black) |
| AlphaCMYKA | Alpha |
Instances
| Bounded CMYKA # | |
| Enum CMYKA # | |
| Eq CMYKA # | |
| Show CMYKA # | |
| Elevator e => AlphaSpace CMYKA e # | |
| Elevator e => ColorSpace CMYKA e # | |
| Elevator e => ToYCbCrA CMYKA e # | |
| Elevator e => ToYCbCr CMYKA e # | |
| Elevator e => ToCMYKA CMYKA e # | |
| Elevator e => ToCMYK CMYKA e # | |
| Elevator e => ToHSIA CMYKA e # | |
| Elevator e => ToHSI CMYKA e # | |
| Elevator e => ToRGBA CMYKA e # | |
| Elevator e => ToRGB CMYKA e # | |
| Elevator e => ToYA CMYKA e # | |
| Elevator e => ToY CMYKA e # | |
| Functor (Pixel CMYKA) # | |
| Applicative (Pixel CMYKA) # | |
| Foldable (Pixel CMYKA) # | |
| Eq e => Eq (Pixel CMYKA e) # | |
| Ord e => Ord (Pixel CMYKA e) # | |
| Show e => Show (Pixel CMYKA e) # | |
| Storable e => Storable (Pixel CMYKA e) # | |
| type Opaque CMYKA # | |
| data Pixel CMYKA # | |
| type Components CMYKA e # | |
class ColorSpace cs e => ToCMYK cs e where #
Conversion to CMYK color space.
Minimal complete definition
Instances
class ToCMYK cs e => ToCMYKA cs e where #
Conversion to CMYKA.
Instances
| Elevator e => ToCMYKA HSIA e # | |
| ToCMYK HSI e => ToCMYKA HSI e # | |
| Elevator e => ToCMYKA CMYKA e # | |
| ToCMYK CMYK e => ToCMYKA CMYK e # | |
| Elevator e => ToCMYKA RGBA e # | |
| ToCMYK RGB e => ToCMYKA RGB e # | |
| Elevator e => ToCMYKA YA e # | |
| ToCMYK Y e => ToCMYKA Y e # | |
| Elevator e => ToCMYKA YCbCrA e # | |
| ToCMYK YCbCr e => ToCMYKA YCbCr e # | |
YCbCr
Color space is used to encode RGB information and is used in JPEG compression.
Constructors
| LumaYCbCr | Luma component (commonly denoted as Y') |
| CBlueYCbCr | Blue difference chroma component |
| CRedYCbCr | Red difference chroma component |
Instances
| Bounded YCbCr # | |
| Enum YCbCr # | |
| Eq YCbCr # | |
| Show YCbCr # | |
| Elevator e => ColorSpace YCbCr e # | |
| ToYCbCr YCbCr e => ToYCbCrA YCbCr e # | |
| Elevator e => ToYCbCr YCbCr e # | |
| ToCMYK YCbCr e => ToCMYKA YCbCr e # | |
| Elevator e => ToCMYK YCbCr e # | |
| ToHSI YCbCr e => ToHSIA YCbCr e # | |
| Elevator e => ToHSI YCbCr e # | |
| ToRGB YCbCr e => ToRGBA YCbCr e # | |
| Elevator e => ToRGB YCbCr e # | |
| ToY YCbCr e => ToYA YCbCr e # | |
| Elevator e => ToY YCbCr e # | |
| Functor (Pixel YCbCr) # | |
| Applicative (Pixel YCbCr) # | |
| Foldable (Pixel YCbCr) # | |
| Eq e => Eq (Pixel YCbCr e) # | |
| Ord e => Ord (Pixel YCbCr e) # | |
| Show e => Show (Pixel YCbCr e) # | |
| Storable e => Storable (Pixel YCbCr e) # | |
| data Pixel YCbCr # | |
| type Components YCbCr e # | |
YCbCr color space with Alpha channel.
Constructors
| LumaYCbCrA | Luma component (commonly denoted as Y') |
| CBlueYCbCrA | Blue difference chroma component |
| CRedYCbCrA | Red difference chroma component |
| AlphaYCbCrA | Alpha component. |
Instances
| Bounded YCbCrA # | |
| Enum YCbCrA # | |
| Eq YCbCrA # | |
| Show YCbCrA # | |
| Elevator e => AlphaSpace YCbCrA e # | |
| Elevator e => ColorSpace YCbCrA e # | |
| Elevator e => ToYCbCrA YCbCrA e # | |
| Elevator e => ToYCbCr YCbCrA e # | |
| Elevator e => ToCMYKA YCbCrA e # | |
| Elevator e => ToCMYK YCbCrA e # | |
| Elevator e => ToHSIA YCbCrA e # | |
| Elevator e => ToHSI YCbCrA e # | |
| Elevator e => ToRGBA YCbCrA e # | |
| Elevator e => ToRGB YCbCrA e # | |
| Elevator e => ToYA YCbCrA e # | |
| Elevator e => ToY YCbCrA e # | |
| Functor (Pixel YCbCrA) # | |
| Applicative (Pixel YCbCrA) # | |
| Foldable (Pixel YCbCrA) # | |
| Eq e => Eq (Pixel YCbCrA e) # | |
| Ord e => Ord (Pixel YCbCrA e) # | |
| Show e => Show (Pixel YCbCrA e) # | |
| Storable e => Storable (Pixel YCbCrA e) # | |
| type Opaque YCbCrA # | |
| data Pixel YCbCrA # | |
| type Components YCbCrA e # | |
class ColorSpace cs e => ToYCbCr cs e where #
Conversion to YCbCr color space.
Minimal complete definition
Instances
| Elevator e => ToYCbCr HSIA e # | |
| Elevator e => ToYCbCr HSI e # | |
| Elevator e => ToYCbCr CMYKA e # | |
| Elevator e => ToYCbCr CMYK e # | |
| Elevator e => ToYCbCr RGBA e # | |
| Elevator e => ToYCbCr RGB e # | |
| Elevator e => ToYCbCr YA e # | |
| Elevator e => ToYCbCr Y e # | |
| Elevator e => ToYCbCr YCbCrA e # | |
| Elevator e => ToYCbCr YCbCr e # | |
class ToYCbCr cs e => ToYCbCrA cs e where #
Conversion to YCbCrA from another color space with Alpha channel.
Instances
| Elevator e => ToYCbCrA HSIA e # | |
| ToYCbCr HSI e => ToYCbCrA HSI e # | |
| Elevator e => ToYCbCrA CMYKA e # | |
| ToYCbCr CMYK e => ToYCbCrA CMYK e # | |
| Elevator e => ToYCbCrA RGBA e # | |
| ToYCbCr RGB e => ToYCbCrA RGB e # | |
| Elevator e => ToYCbCrA YA e # | |
| ToYCbCr Y e => ToYCbCrA Y e # | |
| Elevator e => ToYCbCrA YCbCrA e # | |
| ToYCbCr YCbCr e => ToYCbCrA YCbCr e # | |
X
This is a single channel colorspace, that is designed to separate Gray
level values from other types of colorspace, hence it is not convertible to
or from, but rather is here to allow operation on arbirtary single channel
images. If you are looking for a true grayscale colorspace
Y should be used instead.
Constructors
| X |
Instances
| Bounded X # | |
| Enum X # | |
| Eq X # | |
| Show X # | |
| Elevator e => ColorSpace X e # | |
| ToRGBA X Bit # | |
| ToRGB X Bit # | |
| ToYA X Bit # | |
| Elevator e => ToY X e # | |
| Monad (Pixel X) # | |
| Functor (Pixel X) # | |
| Applicative (Pixel X) # | |
| Foldable (Pixel X) # | |
| Eq e => Eq (Pixel X e) # | |
| Ord e => Ord (Pixel X e) # | |
| Show e => Show (Pixel X e) # | |
| Storable e => Storable (Pixel X e) # | |
| Bits (Pixel X Bit) # | |
| data Pixel X # | |
| type Components X e # | |
Precision
Pixel
class (Eq e, Num e, Typeable e, Unbox e, Storable e) => Elevator e where #
A class with a set of convenient functions that allow for changing precision of channels within pixels, while scaling the values to keep them in an appropriate range.
>>>let rgb = PixelRGB 0.0 0.5 1.0 :: Pixel RGB Double>>>eToWord8 <$> rgb<RGB:(0|128|255)>>>>eToWord16 <$> rgb<RGB:(0|32768|65535)>
Minimal complete definition
eToWord8, eToWord16, eToWord32, eToWord64, eToFloat, eToDouble, eFromDouble
Methods
Values are scaled to [0, 255] range.
Values are scaled to [0, 65535] range.
Values are scaled to [0, 4294967295] range.
Values are scaled to [0, 18446744073709551615] range.
Values are scaled to [0.0, 1.0] range.
Values are scaled to [0.0, 1.0] range.
eFromDouble :: Double -> e #
Values are scaled from [0.0, 1.0] range.
Instances
| Elevator Double # | Values between |
| Elevator Float # | Values between |
| Elevator Int # | Values between |
| Elevator Int8 # | Values between |
| Elevator Int16 # | Values between |
| Elevator Int32 # | Values between |
| Elevator Int64 # | Values between |
| Elevator Word # | Values between |
| Elevator Word8 # | Values between |
| Elevator Word16 # | Values between |
| Elevator Word32 # | Values between |
| Elevator Word64 # | Values between |
| Elevator Bit # | Values: |
| (Num e, Elevator e, RealFloat e) => Elevator (Complex e) # | Discards imaginary part and changes precision of real part. |
toWord8 :: (Functor (Pixel cs), Elevator e) => Pixel cs e -> Pixel cs Word8 #
Change pixel precision to Word8.
toWord16 :: (Functor (Pixel cs), Elevator e) => Pixel cs e -> Pixel cs Word16 #
Change pixel precision to Word16.
toWord32 :: (Functor (Pixel cs), Elevator e) => Pixel cs e -> Pixel cs Word32 #
Change pixel precision to Word32.
toWord64 :: (Functor (Pixel cs), Elevator e) => Pixel cs e -> Pixel cs Word64 #
Change pixel precision to Word64.
toFloat :: (Functor (Pixel cs), Elevator e) => Pixel cs e -> Pixel cs Float #
Change pixel precision to Float.
toDouble :: (Functor (Pixel cs), Elevator e) => Pixel cs e -> Pixel cs Double #
Change pixel precision to Double.
fromDouble :: (Functor (Pixel cs), Elevator e) => Pixel cs Double -> Pixel cs e #
Change pixel precision from Double.
Componenet
8-bit unsigned integer type
Instances
16-bit unsigned integer type
Instances
| Bounded Word16 | Since: 2.1 |
| Enum Word16 | Since: 2.1 |
| Eq Word16 | Since: 2.1 |
| Integral Word16 | Since: 2.1 |
| Num Word16 | Since: 2.1 |
| Ord Word16 | Since: 2.1 |
| Read Word16 | Since: 2.1 |
| Real Word16 | Since: 2.1 |
| Show Word16 | Since: 2.1 |
| Ix Word16 | Since: 2.1 |
| Lift Word16 | |
| Unpackable Word16 | |
| TiffSaveable Pixel16 | |
| PngSavable Pixel16 | |
| Pixel Pixel16 | |
| LumaPlaneExtractable Pixel16 | |
| PackeablePixel Pixel16 | |
| Storable Word16 | Since: 2.1 |
| Bits Word16 | Since: 2.1 |
| FiniteBits Word16 | Since: 4.6.0.0 |
| Default Word16 | |
| NFData Word16 | |
| Unbox Word16 | |
| Prim Word16 | |
| Elevator Word16 # | Values between |
| Decimable Pixel16 Pixel8 | |
| TransparentPixel PixelYA16 Pixel16 | |
| ColorConvertible Pixel8 Pixel16 | |
| ColorConvertible Pixel16 PixelYA16 | |
| ColorConvertible Pixel16 PixelRGB16 | |
| ColorConvertible Pixel16 PixelRGBA16 | |
| Vector Vector Word16 | |
| MVector MVector Word16 | |
| type StorageType Word16 | |
| type PixelBaseComponent Pixel16 | |
| type PackedRepresentation Pixel16 | |
| data Vector Word16 | |
| data MVector s Word16 | |
32-bit unsigned integer type
Instances
| Bounded Word32 | Since: 2.1 |
| Enum Word32 | Since: 2.1 |
| Eq Word32 | Since: 2.1 |
| Integral Word32 | Since: 2.1 |
| Num Word32 | Since: 2.1 |
| Ord Word32 | Since: 2.1 |
| Read Word32 | Since: 2.1 |
| Real Word32 | Since: 2.1 |
| Show Word32 | Since: 2.1 |
| Ix Word32 | Since: 2.1 |
| Lift Word32 | |
| Unpackable Word32 | |
| Pixel Pixel32 | |
| LumaPlaneExtractable Pixel32 | |
| PackeablePixel Pixel32 | |
| Storable Word32 | Since: 2.1 |
| Bits Word32 | Since: 2.1 |
| FiniteBits Word32 | Since: 4.6.0.0 |
| Default Word32 | |
| NFData Word32 | |
| Unbox Word32 | |
| Prim Word32 | |
| Elevator Word32 # | Values between |
| Vector Vector Word32 | |
| MVector MVector Word32 | |
| type StorageType Word32 | |
| type PixelBaseComponent Pixel32 | |
| type PackedRepresentation Pixel32 | |
| data Vector Word32 | |
| data MVector s Word32 | |
64-bit unsigned integer type
Instances
| Bounded Word64 | Since: 2.1 |
| Enum Word64 | Since: 2.1 |
| Eq Word64 | Since: 2.1 |
| Integral Word64 | Since: 2.1 |
| Num Word64 | Since: 2.1 |
| Ord Word64 | Since: 2.1 |
| Read Word64 | Since: 2.1 |
| Real Word64 | Since: 2.1 |
| Show Word64 | Since: 2.1 |
| Ix Word64 | Since: 2.1 |
| Lift Word64 | |
| Storable Word64 | Since: 2.1 |
| Bits Word64 | Since: 2.1 |
| FiniteBits Word64 | Since: 4.6.0.0 |
| Default Word64 | |
| NFData Word64 | |
| Unbox Word64 | |
| Prim Word64 | |
| Elevator Word64 # | Values between |
| Vector Vector Word64 | |
| MVector MVector Word64 | |
| data Vector Word64 | |
| data MVector s Word64 | |