module Qth.Core.Base (
Qhxy(..), Qhwh(..)
,QhisNull(..), QhisEV(..)
,Qhitranslate(..), Qhtranslate(..), QhtranslateF(..), QhtranslateP(..)
,Qhdf(..)
)
where
class Qhxy t1 t2 | t1 -> t2 where
x :: t1 -> t2
y :: t1 -> t2
setX :: t1 -> t2 -> t1
setY :: t1 -> t2 -> t1
class Qhwh t1 t2 | t1 -> t2 where
width :: t1 -> t2
height :: t1 -> t2
setWidth :: t1 -> t2 -> t1
setHeight :: t1 -> t2 -> t1
class QhisNull t1 where
isNull :: t1 -> Bool
class QhisEV t1 where
isEmpty :: t1 -> Bool
isValid :: t1 -> Bool
class Qhitranslate a b where
itranslate :: a -> b -> b -> a
class Qhtranslate a where
translate :: a -> Int -> Int -> a
class QhtranslateF a where
translateF :: a -> Double -> Double -> a
class QhtranslateP a b | b -> a where
translateP :: a -> b -> a
class Qhdf a b where
(*~) :: a -> b -> a
(/~) :: a -> b -> a
(~*) :: b -> a -> a
(~/) :: b -> a -> a