{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE QuasiQuotes #-}
{-# LANGUAGE RecordWildCards #-}
module Text.Pandoc.Filter.Plot.Renderers.GNUPlot (
gnuplotSupportedSaveFormats
, gnuplotCommand
, gnuplotCapture
, gnuplotAvailable
) where
import Text.Pandoc.Filter.Plot.Renderers.Prelude
gnuplotSupportedSaveFormats :: [SaveFormat]
gnuplotSupportedSaveFormats :: [SaveFormat]
gnuplotSupportedSaveFormats = [SaveFormat
PNG, SaveFormat
SVG, SaveFormat
EPS, SaveFormat
GIF, SaveFormat
JPG, SaveFormat
PDF]
gnuplotCommand :: OutputSpec -> PlotM Text
gnuplotCommand :: OutputSpec -> PlotM Text
gnuplotCommand OutputSpec{..} = do
FilePath
exe <- Toolkit -> PlotM FilePath
executable Toolkit
GNUPlot
Text -> PlotM Text
forall (m :: * -> *) a. Monad m => a -> m a
return [st|#{exe} -c "#{oScriptPath}"|]
gnuplotAvailable :: PlotM Bool
gnuplotAvailable :: PlotM Bool
gnuplotAvailable = do
FilePath
exe <- Toolkit -> PlotM FilePath
executable Toolkit
GNUPlot
Text -> PlotM Bool
commandSuccess [st|#{exe} -h|]
gnuplotCapture :: FigureSpec -> FilePath -> Script
gnuplotCapture :: FigureSpec -> FilePath -> Text
gnuplotCapture FigureSpec{..} fname :: FilePath
fname = [st|
set terminal #{terminalString saveFormat}
set output '#{fname}'
|]
terminalString :: SaveFormat -> Text
terminalString :: SaveFormat -> Text
terminalString PNG = "pngcairo"
terminalString SVG = "svg"
terminalString EPS = "postscript eps"
terminalString GIF = "gif"
terminalString JPG = "jpeg"
terminalString PDF = "pdfcairo"
terminalString fmt :: SaveFormat
fmt = FilePath -> Text
forall a. HasCallStack => FilePath -> a
error (FilePath -> Text) -> FilePath -> Text
forall a b. (a -> b) -> a -> b
$ "gnuplot: unsupported save format" FilePath -> FilePath -> FilePath
forall a. Semigroup a => a -> a -> a
<> SaveFormat -> FilePath
forall a. Show a => a -> FilePath
show SaveFormat
fmt