freesewing/packages/jaeger/src/chestpocketwelt.js

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

  let width = store.get("chestPocketWidth");
  let height = store.get("chestPocketWeltHeight");
  let angle = options.chestPocketAngle;

  points.anchor = new Point(0, 0);
  points.top = points.anchor.shift(90 - angle, height/2);
  points.bottom = points.anchor.shift(-90 - angle, height/2);
  points.topLeft = points.top.shift(180, width/2);
  points.topRight = points.topLeft.rotate(180, points.top);
  points.bottomLeft = points.bottom.shift(180, width/2);
  points.bottomRight = points.bottomLeft.rotate(180, points.bottom);
  points.foldLeft = points.bottomLeft.flipY(points.topLeft);
  points.foldRight = points.bottomRight.flipY(points.topLeft);

  // Paths
  paths.seam = new Path()
    .move(points.foldLeft)
    .line(points.topLeft)
    .line(points.bottomLeft)
    .line(points.bottomRight)
    .line(points.topRight)
    .line(points.foldRight)
    .line(points.foldLeft)
    .close()
    .attr("class", "fabric");

  paths.fold = new Path()
    .move(points.topLeft)
    .line(points.topRight)
    .attr("class", "stroke-sm dashed");

  if (complete) {
    // Title
    macro("title", {
      at: points.top,
      nr: 11,
      title: "chestPocketWelt"
    });

    // Grainline
    macro("grainline", {
      from: points.bottomLeft.shift(0, 10),
      to: points.bottomLeft.shiftFractionTowards(points.topLeft, 2).shift(0, 10)
    });

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

    if (paperless) {
      macro("hd", {
        from: points.foldLeft,
        to: points.foldRight,
        y: points.foldLeft.y - sa - 15
      });
      macro("vd", {
        from: points.bottomRight,
        to: points.foldRight,
        x: points.bottomRight.x + sa + 15
      });
    }

  }

  return part;
}