{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE QuasiQuotes #-}
{-# LANGUAGE RecordWildCards #-}
module Text.Pandoc.Filter.Plot.Renderers.GGPlot2 (
ggplot2SupportedSaveFormats
, ggplot2Command
, ggplot2Capture
, ggplot2Available
) where
import qualified Data.Text as T
import Text.Pandoc.Filter.Plot.Renderers.Prelude
ggplot2SupportedSaveFormats :: [SaveFormat]
ggplot2SupportedSaveFormats = [PNG, PDF, SVG, JPG, EPS, TIF]
ggplot2Command :: OutputSpec -> Text -> Text
ggplot2Command OutputSpec{..} exe = [st|#{exe} "#{oScriptPath}"|]
ggplot2Available :: PlotM Bool
ggplot2Available = do
mexe <- executable GGPlot2
case mexe of
Nothing -> return False
Just (Executable dir exe) ->
commandSuccess dir [st|#{exe} -e 'if(!require("ggplot2")) {quit(status=1)}'|]
ggplot2Capture :: FigureSpec -> FilePath -> Script
ggplot2Capture fs fp =
T.unlines [ "pdf(NULL)"
, script fs
, ggplot2CaptureFragment fs fp
]
ggplot2CaptureFragment :: FigureSpec -> FilePath -> Script
ggplot2CaptureFragment FigureSpec{..} fname = [st|
library(ggplot2) # just in case
ggsave("#{toRPath fname}", plot = last_plot(), dpi = #{dpi})
|]