Skip to content

Instantly share code, notes, and snippets.

@2sh
Created September 8, 2023 22:55
Show Gist options
  • Save 2sh/b4ff55db0932a73092f9328193cbcc45 to your computer and use it in GitHub Desktop.
Save 2sh/b4ff55db0932a73092f9328193cbcc45 to your computer and use it in GitHub Desktop.
#!/usr/bin/env node
// pdf2svg Logography\ for\ Kokanu.pdf input/kokanu_%d.svg all
// node kokanu.mjs pre
// node kokanu.mjs post
import fs from 'fs/promises'
import fsx from 'fs'
import readline from 'readline'
import { spawn } from 'child_process'
const inputDirectory = 'input'
const cleanedDirectory = 'cleaned'
const rasterDirectory = 'raster'
async function removeFluff(inFileName, outFileName)
{
const fileStream = fsx.createReadStream(`${inputDirectory}/${inFileName}.svg`)
const lineReader = readline.createInterface(
{
input: fileStream,
crlfDelay: Infinity
})
const lines = []
for await (const line of lineReader)
{
lines.push(line)
}
const cleaned = lines
.filter(line =>
line.startsWith("<?xml")
|| line.startsWith("<svg")
|| line.startsWith("</svg>")
|| (line.startsWith("<path")
&& line.includes("stroke-width")))
.join("\n")
await fs.writeFile(`${cleanedDirectory}/${outFileName}.svg`, cleaned)
}
async function finalize(fileName)
{
const mogrifySVG = spawn('mogrify', ['-trim', `${cleanedDirectory}/${fileName}.svg`])
await new Promise((resolve, reject) => {
mogrifySVG.on('close', resolve);
});
const convertToPNG = spawn('convert', ['-background', 'none', '-format', 'png', `${cleanedDirectory}/${fileName}.svg`, `${rasterDirectory}/${fileName}.png`])
await new Promise((resolve, reject) => {
convertToPNG.on('close', resolve);
});
}
let end = false
async function main()
{
var args = process.argv.slice(2);
const fileStream = fsx.createReadStream(`words.txt`)
const lineReader = readline.createInterface(
{
input: fileStream,
crlfDelay: Infinity
})
const words = []
for await (const line of lineReader)
{
words.push(line)
}
await words.forEach(async (word, i) =>
{
if (args[0] == 'pre')
{
await removeFluff(`kokanu_${i+3}`, word)
}
else if (args[0] == 'post')
{
await finalize(word)
}
})
end = true
}
main()
function wait()
{
if (!end) setTimeout(wait, 1000)
}
wait()
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment