export const fourNodes2xywh = function (data) {
  let lines = data.replace('\r', '').split('\n')
  let res = []
  lines.forEach(line => {
    const arr = line.split(' ')
    let tmp = []
    tmp.push(arr[0])
    tmp.push((parseFloat(arr[3]) + parseFloat(arr[5])) / 2)
    tmp.push((parseFloat(arr[2]) + parseFloat(arr[4])) / 2)
    tmp.push(Math.abs(arr[5] - arr[3]))
    tmp.push(Math.abs(arr[4] - arr[2]))
    res.push(tmp.join(' '))
  })
  // console.log(res)
  return res.join('\r\n')
}

export const xywh2fourNodes = function (data) {
  let lines = data.replace('\r', '').split('\n')
  let res = []
  lines.forEach(line => {
    const arr = line.split(' ')
    let tmp = []
    tmp.push(arr[0])
    tmp.push(parseFloat(arr[1]) + parseFloat(arr[3]) / 2)
    tmp.push(parseFloat(arr[2]) - parseFloat(arr[4]) / 2)

    tmp.push(parseFloat(arr[1]) + parseFloat(arr[3]) / 2)
    tmp.push(parseFloat(arr[2]) + parseFloat(arr[4]) / 2)

    tmp.push(parseFloat(arr[1]) - parseFloat(arr[3]) / 2)
    tmp.push(parseFloat(arr[2]) + parseFloat(arr[4]) / 2)

    tmp.push(parseFloat(arr[1]) - parseFloat(arr[3]) / 2)
    tmp.push(parseFloat(arr[2]) - parseFloat(arr[4]) / 2)

    res.push(tmp.join(' '))
  })
  // console.log(res)
  return res.join('\r\n')
}