{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE QuasiQuotes #-}
{-# LANGUAGE RecordWildCards #-}
module Text.Pandoc.Filter.Plot.Renderers.Graphviz (
graphvizSupportedSaveFormats
, graphvizCommand
, graphvizCapture
, graphvizAvailable
) where
import Data.Char
import Text.Pandoc.Filter.Plot.Renderers.Prelude
graphvizSupportedSaveFormats :: [SaveFormat]
graphvizSupportedSaveFormats = [PNG, PDF, SVG, JPG, EPS, WEBP, GIF]
graphvizCommand :: OutputSpec -> PlotM Text
graphvizCommand OutputSpec{..} = do
exe <- executable Graphviz
let fmt = fmap toLower . show . saveFormat $ oFigureSpec
return [st|#{exe} -T#{fmt} -o "#{oFigurePath}" "#{oScriptPath}"|]
graphvizAvailable :: PlotM Bool
graphvizAvailable = do
exe <- executable Graphviz
commandSuccess [st|#{exe} -?|]
graphvizCapture :: FigureSpec -> FilePath -> Script
graphvizCapture _ _ = mempty