fake-igstory.js

import { Canvas, loadImage, FontLibrary } from 'skia-canvas'
import fs from 'fs'

async function ensureFile(url, path) {
  if (!fs.existsSync(path)) {
    const res = await fetch(url)
    const buf = Buffer.from(await res.arrayBuffer())
    fs.writeFileSync(path, buf)
  }
}

async function generate(pp, name, text) {
  if (!fs.existsSync('./font')) fs.mkdirSync('./font')

  await ensureFile('https://raw.githubusercontent.com/uploader762/dat2/main/uploads/957068-1777109622178.ttf', './font/Nuninto-SemiBold.ttf')
  await ensureFile('https://raw.githubusercontent.com/uploader762/dat1/main/uploads/5206ca-1777112931358.otf', './font/Cooper-black.ttf')
  await ensureFile('https://raw.githubusercontent.com/uploader762/dat4/main/uploads/036484-1777108103055.jpg', './bg-fakeigstory.jpg')

  FontLibrary.use('Nuninto-SemiBold', ['./font/Nuninto-SemiBold.ttf'])
  FontLibrary.use('Cooper-Black', ['./font/Cooper-black.ttf'])

  let p = {
    t: { x: 126, y: 239 },
    b: { x: 144, y: 359 },
    l: { x: 72, y: 299 },
    r: { x: 191, y: 293 }
  }

  let left = 120, right = 1196, topY = 428, bottomY = 1549
  let boxX = (left + right) / 2
  let boxY = (topY + bottomY) / 2

  let bg = await loadImage('./bg-fakeigstory.jpg')
  let avatar = await loadImage(pp)

  let canvas = new Canvas(bg.width, bg.height)
  let ctx = canvas.getContext('2d')

  ctx.imageSmoothingEnabled = true
  ctx.imageSmoothingQuality = 'high'

  ctx.drawImage(bg, 0, 0)

  let cx = (p.l.x + p.r.x) / 2 + 2
  let cy = (p.t.y + p.b.y) / 2
  let r = (p.r.x - p.l.x) / 2

  let s = Math.min(avatar.width, avatar.height)
  let sx = (avatar.width - s) / 2
  let sy = (avatar.height - s) / 2

  ctx.save()
  ctx.beginPath()
  ctx.arc(cx, cy, r, 0, Math.PI * 2)
  ctx.closePath()
  ctx.clip()
  ctx.drawImage(avatar, sx, sy, s, s, cx - r, cy - r, r * 2, r * 2)
  ctx.restore()

  ctx.font = 'bold 48px "Nuninto-SemiBold"'
  ctx.fillStyle = '#ffffff'
  ctx.textBaseline = 'middle'
  ctx.textAlign = 'left'
  ctx.fillText(name, cx + r + 19, cy)

  function wrap(ctx, text, maxW) {
    let w = text.split(' '), line = '', lines = []
    for (let i = 0; i < w.length; i++) {
      let t = line + w[i] + ' '
      if (ctx.measureText(t).width > maxW && i > 0) {
        lines.push(line)
        line = w[i] + ' '
      } else line = t
    }
    lines.push(line)
    return lines
  }

  function autoText(ctx, text) {
    let maxW = right - left
    let maxH = bottomY - topY
    let fsz = 74, lines, lh, th
    do {
      ctx.font = `bold ${fsz}px "Cooper-Black"`
      lines = wrap(ctx, text, maxW)
      lh = fsz * 1.1
      th = lines.length * lh
      fsz -= 2
    } while ((th > maxH || Math.max(...lines.map(l => ctx.measureText(l).width)) > maxW) && fsz > 20)

    ctx.font = `bold ${fsz}px "Cooper-Black"`
    ctx.fillStyle = '#ffffff'
    ctx.textAlign = 'center'
    ctx.textBaseline = 'middle'

    let startY = boxY - (lines.length * lh / 2) + (lh / 2)
    lines.forEach((l, i) => ctx.fillText(l, boxX, startY + (i * lh)))
  }

  autoText(ctx, text)

  return await canvas.toBuffer('png')
}

let handler = async (m, { conn, args, command }) => {
  try {
    if (!args[0]) return m.reply(`Example : .${command} Halo Dunia`)
    m.reply(global.wait)
    let pp = await conn.profilePictureUrl(m.sender, 'image').catch(_ => 'https://raw.githubusercontent.com/uploader762/dat4/main/uploads/e0f993-1777126212302.jpg')
    let res = await generate(pp, m.pushName || 'User', args.join(' '))
    await conn.sendMessage(m.chat, { image: res }, { quoted: m })
  } catch (e) {
    m.reply(e.message)
  }
}

handler.help = ['igstory <text>']
handler.command = ['igstory']
handler.tags = ['maker']

export default handler