~alcinnz/harfbuzz-pure

ref: 5cd811b35c2efba244620af2db4de77283fbca78 harfbuzz-pure/Main.hs -rw-r--r-- 856 bytes
5cd811b3 — Adrian Cochrane Fix segfault upon too much HarfBuzz concurrency. 2 years ago 
                                                                                
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{-# LANGUAGE PackageImports #-}
{-# LANGUAGE OverloadedStrings #-}
module Main where

import "harfbuzz-pure" Data.Text.Glyphize
import "harfbuzz-pure" Data.Text.Glyphize.Buffer
import "harfbuzz-pure" Data.Text.Glyphize.Font

import Control.Parallel.Strategies (parMap, rpar)

import System.Environment
import Data.ByteString.Lazy as LBS
import Data.ByteString as BS
import Data.ByteString.Char8 as UTF8

shapeStr font word = shape font $ defaultBuffer {
    text = Right $ LBS.fromStrict $ UTF8.pack word
  }

main :: IO ()
main = do
    print versionString
    words <- getArgs
    if Prelude.null words
    then print $ guessSegmentProperties $ defaultBuffer { text = Right "Testing, testing"}
    else do
      blob <- BS.readFile "assets/Lora-Regular.ttf"
      let font = createFont $ createFace blob 0
      print $ parMap rpar (shapeStr font) words