BishBosh.Attribute.PhysicalColour

AUTHOR

Dr. Alistair Ward

DESCRIPTION

• Defines the data-type which represents the physical (rather than logical) colour of the board & of pieces.
• The number of physical colours used to represent the board & pieces can be greater than the two logical colours required, but is limited in practice, since the terminal (optionally) used to render the image, typically can't cope with with a large number.

Types

Type-synonyms

Data-types

data PhysicalColour

Defines the physical colours which can typically be rendered by a terminal.

Constructors

Black

Red

Green

Yellow

Blue

Magenta

Cyan

White

Instances

Bounded PhysicalColour

Methods

minBound :: PhysicalColour

maxBound :: PhysicalColour

Enum PhysicalColour

Methods

succ :: PhysicalColour -> PhysicalColour

pred :: PhysicalColour -> PhysicalColour

toEnum :: Int -> PhysicalColour

fromEnum :: PhysicalColour -> Int

enumFrom :: PhysicalColour -> [PhysicalColour]

enumFromThen :: PhysicalColour -> PhysicalColour -> [PhysicalColour]

enumFromTo :: PhysicalColour -> PhysicalColour -> [PhysicalColour]

enumFromThenTo :: PhysicalColour -> PhysicalColour -> PhysicalColour -> [PhysicalColour]

Eq PhysicalColour

Methods

(==) :: PhysicalColour -> PhysicalColour -> Bool

(/=) :: PhysicalColour -> PhysicalColour -> Bool

Read PhysicalColour

Methods

readsPrec :: Int -> ReadS PhysicalColour

readList :: ReadS [PhysicalColour]

readPrec :: ReadPrec PhysicalColour

readListPrec :: ReadPrec [PhysicalColour]

Show PhysicalColour

Methods

showsPrec :: Int -> PhysicalColour -> ShowS

show :: PhysicalColour -> String

showList :: [PhysicalColour] -> ShowS

NFData PhysicalColour

Methods

rnf :: PhysicalColour -> ()

XmlPickler PhysicalColour

Methods

xpickle :: PU PhysicalColour

Constants

black :: PhysicalColour

Constant.

red :: PhysicalColour

Constant.

green :: PhysicalColour

Constant.

yellow :: PhysicalColour

Constant.

blue :: PhysicalColour

Constant.

magenta :: PhysicalColour

Constant.

cyan :: PhysicalColour

Constant.

white :: PhysicalColour

Constant.

range :: [PhysicalColour]

The constant complete range of values.

Functions

mkFgColourCode :: PhysicalColour -> ANSIColourCode

Offset the specified colour-code, so that it applies to the foreground.

mkBgColourCode :: PhysicalColour -> ANSIColourCode

Offset the specified colour-code, so that it applies to the background.

selectGraphicsRendition :: Bool -> ANSIColourCode -> String

Generate the escape-sequence required to change a terminal to the specified physical colour.

bracket :: String -> String -> ShowS

Render the specified string according to instructions, then revert to default.