fontconfig-pure-0.5.1.0: Queries your system (Linux/BSD/etc) font database.
Safe HaskellSafe-Inferred
LanguageHaskell2010

Graphics.Text.Font.Choose.Value

Description

A dynamic type system for patterns.

Synopsis

Documentation

data Value Source #

A dynamic type system for Patterns.

Constructors

ValueVoid 
ValueInt Int 
ValueDouble Double 
ValueString String 
ValueBool Bool 
ValueMatrix (M22 Double) 
ValueCharSet CharSet 
ValueLangSet LangSet 
ValueRange Range 

Instances

Instances details
Arbitrary Value Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

arbitrary :: Gen Value #

shrink :: Value -> [Value] #

Generic Value Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Associated Types

type Rep Value :: Type -> Type #

Methods

from :: Value -> Rep Value x #

to :: Rep Value x -> Value #

Read Value Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

readsPrec :: Int -> ReadS Value #

readList :: ReadS [Value] #

readPrec :: ReadPrec Value #

readListPrec :: ReadPrec [Value] #

Show Value Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

showsPrec :: Int -> Value -> ShowS #

show :: Value -> String #

showList :: [Value] -> ShowS #

ToValue Value Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

toValue :: Value -> Value Source #

fromValue :: Value -> Maybe Value Source #

fromValue' :: Value -> Value Source #

Eq Value Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

(==) :: Value -> Value -> Bool #

(/=) :: Value -> Value -> Bool #

Ord Value Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

compare :: Value -> Value -> Ordering #

(<) :: Value -> Value -> Bool #

(<=) :: Value -> Value -> Bool #

(>) :: Value -> Value -> Bool #

(>=) :: Value -> Value -> Bool #

max :: Value -> Value -> Value #

min :: Value -> Value -> Value #

Hashable Value Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

hashWithSalt :: Int -> Value -> Int #

hash :: Value -> Int #

MessagePack Value Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

toObject :: Value -> Object #

fromObject :: Object -> Maybe Value #

type Rep Value Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

type Rep Value = D1 ('MetaData "Value" "Graphics.Text.Font.Choose.Value" "fontconfig-pure-0.5.1.0-inplace" 'False) (((C1 ('MetaCons "ValueVoid" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "ValueInt" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Int))) :+: (C1 ('MetaCons "ValueDouble" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Double)) :+: C1 ('MetaCons "ValueString" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 String)))) :+: ((C1 ('MetaCons "ValueBool" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Bool)) :+: C1 ('MetaCons "ValueMatrix" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 (M22 Double)))) :+: (C1 ('MetaCons "ValueCharSet" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 CharSet)) :+: (C1 ('MetaCons "ValueLangSet" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 LangSet)) :+: C1 ('MetaCons "ValueRange" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Range))))))

validValue :: Value -> Bool Source #

Can the value be processed by FontConfig?

class ToValue x where Source #

Coerces compiletime types to or from runtime types.

Minimal complete definition

toValue, fromValue

Methods

toValue :: x -> Value Source #

fromValue :: Value -> Maybe x Source #

fromValue' :: Value -> x Source #

Instances

Instances details
ToValue CharSet' Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

toValue :: CharSet' -> Value Source #

fromValue :: Value -> Maybe CharSet' Source #

fromValue' :: Value -> CharSet' Source #

ToValue LangSet' Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

toValue :: LangSet' -> Value Source #

fromValue :: Value -> Maybe LangSet' Source #

fromValue' :: Value -> LangSet' Source #

ToValue Range Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

toValue :: Range -> Value Source #

fromValue :: Value -> Maybe Range Source #

fromValue' :: Value -> Range Source #

ToValue Value Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

toValue :: Value -> Value Source #

fromValue :: Value -> Maybe Value Source #

fromValue' :: Value -> Value Source #

ToValue String Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

toValue :: String -> Value Source #

fromValue :: Value -> Maybe String Source #

fromValue' :: Value -> String Source #

ToValue () Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

toValue :: () -> Value Source #

fromValue :: Value -> Maybe () Source #

fromValue' :: Value -> () Source #

ToValue Bool Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

toValue :: Bool -> Value Source #

fromValue :: Value -> Maybe Bool Source #

fromValue' :: Value -> Bool Source #

ToValue Double Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

toValue :: Double -> Value Source #

fromValue :: Value -> Maybe Double Source #

fromValue' :: Value -> Double Source #

ToValue Int Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

toValue :: Int -> Value Source #

fromValue :: Value -> Maybe Int Source #

fromValue' :: Value -> Int Source #

ToValue (M22 Double) Source # 
Instance details

Defined in Graphics.Text.Font.Choose.Value

Methods

toValue :: M22 Double -> Value Source #

fromValue :: Value -> Maybe (M22 Double) Source #

fromValue' :: Value -> M22 Double Source #