| Safe Haskell | None |
|---|
Graphics.Curves.Colour
Description
RGBA colour values.
- data Colour = Colour {}
- opacity :: Scalar -> Colour -> Colour
- opaque :: Colour -> Colour
- setAlpha :: Scalar -> Colour -> Colour
- isTransparent :: Colour -> Bool
- visible :: Colour -> Maybe Colour
- transparent :: Colour
- white :: Colour
- blue :: Colour
- green :: Colour
- red :: Colour
- black :: Colour
- blend :: Colour -> Colour -> Colour
Documentation
RGBA values in the range 0.0 to 1.0.
Constructors
| Colour | |
isTransparent :: Colour -> BoolSource
Check if a colour is completely transparent.
Completely transparent (and black) colour.