RSAGL.Color.Alpha

Documentation

data Alpha c

A color with an alpha channel.

Constructors

Alpha

Fields

alpha_alpha :: !RSdouble

alpha_color :: !c

Instances

Functor Alpha

NFData c => NFData (Alpha c)

AbstractZero c => AbstractZero (Alpha c)

AbstractScale c => AbstractScale (Alpha c)

AbstractVector c => AbstractVector (Alpha c)

ImportColorCoordinates c => ImportColorCoordinates (Alpha c)

ColorToOpenGL (Alpha RGB)

AbstractAdd c c => AbstractAdd (Alpha c) (Alpha c)

AbstractSubtract c c => AbstractSubtract (Alpha c) (Alpha c)

alpha :: RSdouble -> Alpha c -> Alpha c

Apply (more) transparency to a color.

alpha256 :: Integral i => i -> Alpha c -> Alpha c

In the range [0..255].