freesewing/packages/jaeger/src/collar.js

/*
 * This collar would benefit from a redesign
 * but I find collar design to be rather tricky business and
 * would love the input from someone with more pattern design
 * experience, or more tailoring exprience.
 */

export default function(part) {
  let { paperless, sa, snippets, complete, points, options, macro, paths, Path } = part.shorthand()

  // Add extra fabric for collar roll
  points.collarCbTopRoll = points.collarCbTop.shift(-90, options.collarRoll)
  points.collarCbTopCpRoll = points.collarCbTopCp.shift(-90, options.collarRoll)
  points.notchTipRoll = points.notch.shiftOutwards(points.notchTip, options.collarRoll)

  // Mirror to create left half
  let mirror = [
    'collarstandCbTopCp',
    'collarstandTip',
    'notch',
    'notchTip',
    'collarCbTopCp',
    'notchTipRoll',
    'collarCbTopCpRoll'
  ]
  for (let i of mirror) points[i + 'Left'] = points[i].flipX(points.collarCbTop)

  // Clean up
  for (let i of Object.keys(paths)) delete paths[i]
  for (let i of Object.keys(snippets)) delete snippets[i]

  // Paths
  paths.seam = new Path()
    .move(points.collarstandCbTop)
    .curve_(points.collarstandCbTopCpLeft, points.collarstandTipLeft)
    .line(points.notchLeft)
    .line(points.notchTipRollLeft)
    ._curve(points.collarCbTopCpRollLeft, points.collarCbTopRoll)
    .curve_(points.collarCbTopCpRoll, points.notchTipRoll)
    .line(points.notch)
    .line(points.collarstandTip)
    ._curve(points.collarstandCbTopCp, points.collarstandCbTop)
    .close()
    .attr('class', 'fabric')

  paths.roll = new Path()
    .move(points.notchTip)
    ._curve(points.collarCbTopCp, points.collarCbTop)
    .curve_(points.collarCbTopCpLeft, points.notchTipLeft)
    .attr('class', 'stroke-sm dashed')

  if (complete) {
    // Notches
    macro('sprinkle', {
      snippet: 'notch',
      on: ['collarstandCbTop', 'notchTip', 'notchTipLeft']
    })
    // Title
    points.title = points.collarstandCbTopCp.shiftFractionTowards(points.collarCbTopCpRoll, 0.5)
    macro('title', {
      at: points.title,
      nr: 7,
      title: 'collar'
    })

    // Grainline
    macro('grainline', {
      from: points.collarCbTopRoll,
      to: points.collarstandCbTop
    })

    if (sa) paths.sa = paths.seam.offset(sa).attr('class', 'fabric sa')

    if (paperless) {
      macro('hd', {
        from: points.collarstandTipLeft,
        to: points.collarstandTip,
        y: points.collarstandCbTop.y - sa - 15
      })
      macro('hd', {
        from: points.notchLeft,
        to: points.notch,
        y: points.collarstandCbTop.y - sa - 30
      })
      macro('hd', {
        from: points.notchTipRollLeft,
        to: points.notchTipRoll,
        y: points.notchTipRoll.y + sa + 15
      })
      macro('hd', {
        from: points.notchTipLeft,
        to: points.notchTip,
        y: points.notchTipRoll.y + sa + 30
      })
      macro('vd', {
        from: points.collarCbTopRoll,
        to: points.collarstandCbTop,
        x: points.collarCbTopRoll.x + 15
      })
      macro('ld', {
        from: points.collarstandTip,
        to: points.notch,
        d: sa + 15
      })
      macro('ld', {
        from: points.notchTip,
        to: points.notch,
        d: -15 - sa
      })
      macro('ld', {
        from: points.notchTipRoll,
        to: points.notch,
        d: -30 - sa
      })
      macro('vd', {
        from: points.notchTipRoll,
        to: points.collarstandCbTop,
        x: points.notch.x + sa + 40
      })
    }
  }

  return part
}