Safe Haskell	None
Language	Haskell2010

Vision.Image.Conversion

Contents

Orphan instances

Synopsis

class Convertible a b where
convert :: Convertible a b => a -> b

Documentation

class Convertible a b where #

A typeclass that represents something that can be converted. A Convertible a b instance represents an a that can be converted to a b.

Minimal complete definition

safeConvert

Methods

safeConvert :: a -> ConvertResult b #

Convert a to b, returning Right on success and Left on error. For a simpler interface, see convert.

Instances

Convertible RGBAPixel RGBAPixel #
Instance details Defined in Vision.Image.Conversion Methods safeConvert :: RGBAPixel -> ConvertResult RGBAPixel #
Convertible RGBAPixel RGBPixel #
Instance details Defined in Vision.Image.Conversion Methods safeConvert :: RGBAPixel -> ConvertResult RGBPixel #
Convertible RGBAPixel HSVPixel #
Instance details Defined in Vision.Image.Conversion Methods safeConvert :: RGBAPixel -> ConvertResult HSVPixel #
Convertible RGBAPixel GreyPixel #
Instance details Defined in Vision.Image.Conversion Methods safeConvert :: RGBAPixel -> ConvertResult GreyPixel #
Convertible RGBPixel RGBAPixel #
Instance details Defined in Vision.Image.Conversion Methods safeConvert :: RGBPixel -> ConvertResult RGBAPixel #
Convertible RGBPixel RGBPixel #
Instance details Defined in Vision.Image.Conversion Methods safeConvert :: RGBPixel -> ConvertResult RGBPixel #
Convertible RGBPixel HSVPixel #
Instance details Defined in Vision.Image.Conversion Methods safeConvert :: RGBPixel -> ConvertResult HSVPixel #
Convertible RGBPixel GreyPixel #
Instance details Defined in Vision.Image.Conversion Methods safeConvert :: RGBPixel -> ConvertResult GreyPixel #
Convertible HSVPixel RGBAPixel #
Instance details Defined in Vision.Image.Conversion Methods safeConvert :: HSVPixel -> ConvertResult RGBAPixel #
Convertible HSVPixel RGBPixel #
Instance details Defined in Vision.Image.Conversion Methods safeConvert :: HSVPixel -> ConvertResult RGBPixel #
Convertible HSVPixel HSVPixel #
Instance details Defined in Vision.Image.Conversion Methods safeConvert :: HSVPixel -> ConvertResult HSVPixel #
Convertible HSVPixel GreyPixel #
Instance details Defined in Vision.Image.Conversion Methods safeConvert :: HSVPixel -> ConvertResult GreyPixel #
Convertible GreyPixel RGBAPixel #
Instance details Defined in Vision.Image.Conversion Methods safeConvert :: GreyPixel -> ConvertResult RGBAPixel #
Convertible GreyPixel RGBPixel #
Instance details Defined in Vision.Image.Conversion Methods safeConvert :: GreyPixel -> ConvertResult RGBPixel #
Convertible GreyPixel HSVPixel #
Instance details Defined in Vision.Image.Conversion Methods safeConvert :: GreyPixel -> ConvertResult HSVPixel #
Convertible GreyPixel GreyPixel #
Instance details Defined in Vision.Image.Conversion Methods safeConvert :: GreyPixel -> ConvertResult GreyPixel #
(Storable p1, Storable p2, Convertible p1 p2) => Convertible (Delayed p1) (Manifest p2) #
Instance details Defined in Vision.Image.Type Methods safeConvert :: Delayed p1 -> ConvertResult (Manifest p2) #
(Storable p1, Storable p2, Convertible p1 p2) => Convertible (Delayed p1) (Delayed p2) #
Instance details Defined in Vision.Image.Type Methods safeConvert :: Delayed p1 -> ConvertResult (Delayed p2) #
(Storable p1, Storable p2, Convertible p1 p2) => Convertible (Manifest p1) (Delayed p2) #
Instance details Defined in Vision.Image.Type Methods safeConvert :: Manifest p1 -> ConvertResult (Delayed p2) #
(Storable p1, Storable p2, Convertible p1 p2) => Convertible (Manifest p1) (Manifest p2) #
Instance details Defined in Vision.Image.Type Methods safeConvert :: Manifest p1 -> ConvertResult (Manifest p2) #

convert :: Convertible a b => a -> b #

Convert from one type of data to another. Raises an exception if there is an error with the conversion. For a function that does not raise an exception in that case, see safeConvert.

Orphan instances

Convertible RGBAPixel RGBAPixel #
Instance details Methods safeConvert :: RGBAPixel -> ConvertResult RGBAPixel #
Convertible RGBAPixel RGBPixel #
Instance details Methods safeConvert :: RGBAPixel -> ConvertResult RGBPixel #
Convertible RGBAPixel HSVPixel #
Instance details Methods safeConvert :: RGBAPixel -> ConvertResult HSVPixel #
Convertible RGBAPixel GreyPixel #
Instance details Methods safeConvert :: RGBAPixel -> ConvertResult GreyPixel #
Convertible RGBPixel RGBAPixel #
Instance details Methods safeConvert :: RGBPixel -> ConvertResult RGBAPixel #
Convertible RGBPixel RGBPixel #
Instance details Methods safeConvert :: RGBPixel -> ConvertResult RGBPixel #
Convertible RGBPixel HSVPixel #
Instance details Methods safeConvert :: RGBPixel -> ConvertResult HSVPixel #
Convertible RGBPixel GreyPixel #
Instance details Methods safeConvert :: RGBPixel -> ConvertResult GreyPixel #
Convertible HSVPixel RGBAPixel #
Instance details Methods safeConvert :: HSVPixel -> ConvertResult RGBAPixel #
Convertible HSVPixel RGBPixel #
Instance details Methods safeConvert :: HSVPixel -> ConvertResult RGBPixel #
Convertible HSVPixel HSVPixel #
Instance details Methods safeConvert :: HSVPixel -> ConvertResult HSVPixel #
Convertible HSVPixel GreyPixel #
Instance details Methods safeConvert :: HSVPixel -> ConvertResult GreyPixel #
Convertible GreyPixel RGBAPixel #
Instance details Methods safeConvert :: GreyPixel -> ConvertResult RGBAPixel #
Convertible GreyPixel RGBPixel #
Instance details Methods safeConvert :: GreyPixel -> ConvertResult RGBPixel #
Convertible GreyPixel HSVPixel #
Instance details Methods safeConvert :: GreyPixel -> ConvertResult HSVPixel #
Convertible GreyPixel GreyPixel #
Instance details Methods safeConvert :: GreyPixel -> ConvertResult GreyPixel #