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{-# OPTIONS_HADDOCK hide #-}
{- |
Module : Data.GraphViz.Attributes.ColorScheme
Description : Specification of color schemes.
Copyright : (c) Ivan Lazar Miljenovic
License : 3-Clause BSD-style
Maintainer : Ivan.Miljenovic@gmail.com
This is an internal module designed so that the state can record
the current color scheme.
-}
module Data.GraphViz.Attributes.ColorScheme where
import Data.Word(Word8)
-- -----------------------------------------------------------------------------
-- | This represents the color schemes that Graphviz accepts.
data ColorScheme = X11
| SVG
| Brewer BrewerScheme
deriving (Eq, Ord, Show, Read)
-- | Specify which colour palette and how many colours it has. Note
-- the allowed values for the different 'BrewerName's.
data BrewerScheme = BScheme BrewerName Word8
deriving (Eq, Ord, Show, Read)
-- | All of these have a minimum level value of @3@, with a maximum
-- of @9@ unless otherwise specified.
data BrewerName = Accent -- ^ Maximum of @8@.
| Blues
| Brbg -- ^ Maximum of @11@.
| Bugn
| Bupu
| Dark2 -- ^ Maximum of @8@.
| Gnbu
| Greens
| Greys
| Oranges
| Orrd
| Paired -- ^ Maximum of @12@.
| Pastel1
| Pastel2 -- ^ Maximum of @8@.
| Piyg -- ^ Maximum of @11@.
| Prgn -- ^ Maximum of @11@.
| Pubu
| Pubugn
| Puor -- ^ Maximum of @11@; note that the last two are listed
-- after the @'Purd'@ values in the
-- documentation.
| Purd
| Purples
| Rdbu -- ^ Maximum of @11@; note that the last two are listed
-- first.
| Rdgy -- ^ Maximum of @11@; note that the last two are listed
-- after the @'Rdpu'@ values in the
-- documentation.
| Rdpu
| Rdylbu -- ^ Maximum of @11@.
| Rdylgn -- ^ Maximum of @11@.
| Reds
| Set1
| Set2 -- ^ Maximum of @8@.
| Set3 -- ^ Maximum of @12@.
| Spectral -- ^ Maximum of @11@.
| Ylgn
| Ylgnbu
| Ylorbr
| Ylorrd
deriving (Eq, Ord, Bounded, Enum, Show, Read)
|
