Vis.GlossColor

Predefined and custom colors.

Color data type

data Color

An abstract color value. We keep the type abstract so we can be sure that the components are in the required range. To make a custom color use makeColor.

Instances

Num Color

Defined in Vis.GlossColor

Methods

(+) :: Color -> Color -> Color

(-) :: Color -> Color -> Color

(*) :: Color -> Color -> Color

negate :: Color -> Color

abs :: Color -> Color

signum :: Color -> Color

fromInteger :: Integer -> Color

Show Color

Defined in Vis.GlossColor

Methods

showsPrec :: Int -> Color -> ShowS

show :: Color -> String

showList :: [Color] -> ShowS

Binary Color

Defined in Vis.VisObject

Methods

put :: Color -> Put

get :: Get Color

putList :: [Color] -> Put

Eq Color

Defined in Vis.GlossColor

Methods

(==) :: Color -> Color -> Bool

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

makeColor

Arguments

:: Float

Red component.

-> Float

Green component.

-> Float

Blue component.

-> Float

Alpha component.

-> Color

Make a custom color. All components are clamped to the range [0..1].

makeColor' :: Float -> Float -> Float -> Float -> Color

Make a custom color. You promise that all components are clamped to the range [0..1]

makeColor8

Arguments

:: Int

Red component.

-> Int

Green component.

-> Int

Blue component.

-> Int

Alpha component.

-> Color

Make a custom color. All components are clamped to the range [0..255].

rawColor

Arguments

:: Float

Red component.

-> Float

Green component.

-> Float

Blue component.

-> Float

Alpha component.

-> Color

Make a custom color. Components should be in the range [0..1] but this is not checked.

rgbaOfColor :: Color -> (Float, Float, Float, Float)

Take the RGBA components of a color.

Color functions

mixColors

Arguments

:: Float

Ratio of first color.

-> Float

Ratio of second color.

-> Color

First color.

-> Color

Second color.

-> Color

Resulting color.

Mix two colors with the given ratios.

addColors :: Color -> Color -> Color

Add RGB components of a color component-wise, then normalise them to the highest resulting one. The alpha components are averaged.

dim :: Color -> Color

Make a dimmer version of a color, scaling towards black.

bright :: Color -> Color

Make a brighter version of a color, scaling towards white.

light :: Color -> Color

Lighten a color, adding white.

dark :: Color -> Color

Darken a color, adding black.

Pre-defined colors

greyN

Arguments

:: Float

Range is 0 = black, to 1 = white.

-> Color

A greyness of a given magnitude.

black :: Color

white :: Color

Primary

red :: Color

green :: Color

blue :: Color

Secondary

yellow :: Color

cyan :: Color

magenta :: Color

Tertiary

rose :: Color

violet :: Color

azure :: Color

aquamarine :: Color

chartreuse :: Color

orange :: Color