Wumpus.Core.PtSize

Numeric type representing Point size (1/72 inch) which is PostScript and Wumpus-Core's internal unit size.

Other unit types (e.g. centimeter) should define an appropriate instance of FromPtSize.

Point size type

data PtSize

Wumpus-Core

Instances

Eq PtSize

Floating PtSize

Fractional PtSize

Num PtSize

Ord PtSize

Show PtSize

Extract (unscaled) PtSize as a Double

ptSize :: PtSize -> Double

Conversion class

class FromPtSize u where

Convert the value of PtSize scaling accordingly.

Note - the Double instance perfoms no scaling, this is because internally Wumpus-Core works in points.

Methods

fromPtSize :: PtSize -> u

Instances

FromPtSize Double