freesewing/packages/aaron/src/back.js

import { dimensions } from "./shared";

export default function(part) {
  let {
    store,
    sa,
    Point,
    points,
    Path,
    paths,
    options,
    complete,
    paperless,
    macro,
    utils,
    units
  } = part.shorthand();

  points.strapLeftCp2 = utils.beamsIntersect(
    points.strapLeft,
    points.strapCenter.rotate(90, points.strapLeft),
    points.cbNeck,
    points.cbNeck.shift(0, 10)
  );

  points.armholeCp2 = points.aaronArmhole.shiftFractionTowards(
    points.armholeCorner,
    options.backlineBend
  );
  points.strapRightCp1 = points.strapRight.shiftFractionTowards(
    points.armholeCorner,
    options.backlineBend
  );

  // Seamline
  paths.seam = new Path()
    .move(points.cbNeck)
    .line(points.cbHem)
    .line(points.hem)
    .line(points.waist)
    .join(paths.side)
    .curve(points.armholeCp2, points.strapRightCp1, points.strapRight)
    .line(points.strapLeft)
    .curve(points.strapLeftCp2, points.cbNeck, points.cbNeck)
    .close()
    .attr("class", "fabric");

  // Complete pattern?
  if (complete) {
    let neckOpeningLength =
      new Path()
        .move(points.strapLeft)
        .curve(points.strapLeftCp2, points.cbNeck, points.cbNeck)
        .length() + store.get("frontNeckOpeningLength");
    let armholeLength =
      new Path()
        .move(points.aaronArmhole)
        .curve(points.armholeCp2, points.strapRightCp1, points.strapRight)
        .length() + store.get("frontArmholeLength");
    points.bindinAnchor = new Point(
      points.aaronArmhole.x / 4,
      points.aaronArmhole.y
    )
      .attr("data-text", "cutTwoStripsToFinishTheArmholes")
      .attr("data-text", ":\n")
      .attr("data-text", "width")
      .attr("data-text", ":")
      .attr("data-text", units(sa * 6))
      .attr("data-text", "\n")
      .attr("data-text", "length")
      .attr("data-text", ":")
      .attr("data-text", units(armholeLength * 0.95 + 2 * sa))
      .attr("data-text", "\n \n")
      .attr("data-text", "cutOneStripToFinishTheNeckOpening")
      .attr("data-text", ":\n")
      .attr("data-text", "width")
      .attr("data-text", ":")
      .attr("data-text", units(sa * 6))
      .attr("data-text", "\n")
      .attr("data-text", "length")
      .attr("data-text", ":")
      .attr("data-text", units(neckOpeningLength * 0.95 + 2 * sa))
      .attr("data-text-lineheight", 6);

    macro("cutonfold", {
      from: points.cfNeck,
      to: points.cfHem,
      grainline: true
    });

    macro("title", { at: points.title, nr: 2, title: "back" });
    points.scaleboxAnchor = points.scalebox = points.title.shift(90, 100);
    macro("scalebox", { at: points.scalebox });
  }

  // Paperless?
  if (paperless) {
    dimensions(macro, points, sa);
    macro("vd", {
      from: points.cbHem,
      to: points.cbNeck,
      x: points.cbHem.x - sa - 15
    });
  }

  return part;
}