import { toUTF8String, readUInt32BE } from './utils'

export const PSD = {
  validate: (input) => toUTF8String(input, 0, 4) === '8BPS',

  calculate: (input) => ({
    height: readUInt32BE(input, 14),
    width: readUInt32BE(input, 18)
  })
}
