dxf/lib/handlers/entity/spline.js

DXF parser for node/browser

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.process = exports["default"] = exports.TYPE = void 0;
var _common = _interopRequireDefault(require("./common"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
var TYPE = exports.TYPE = 'SPLINE';
var process = exports.process = function process(tuples) {
  var controlPoint;
  return tuples.reduce(function (entity, tuple) {
    var type = tuple[0];
    var value = tuple[1];
    switch (type) {
      case 10:
        controlPoint = {
          x: value,
          y: 0
        };
        entity.controlPoints.push(controlPoint);
        break;
      case 20:
        controlPoint.y = value;
        break;
      case 30:
        controlPoint.z = value;
        break;
      case 40:
        entity.knots.push(value);
        break;
      case 41:
        // Only create weights if needed
        if (!entity.weights) entity.weights = [];
        entity.weights.push(value);
        break;
      case 42:
        entity.knotTolerance = value;
        break;
      case 43:
        entity.controlPointTolerance = value;
        break;
      case 44:
        entity.fitTolerance = value;
        break;
      case 70:
        // Spline flag (bit coded):
        // 1 = Closed spline
        // 2 = Periodic spline
        // 4 = Rational spline
        // 8 = Planar
        // 16 = Linear (planar bit is also set)
        entity.flag = value;
        entity.closed = (value & 1) === 1;
        break;
      case 71:
        entity.degree = value;
        break;
      case 72:
        entity.numberOfKnots = value;
        break;
      case 73:
        entity.numberOfControlPoints = value;
        break;
      case 74:
        entity.numberOfFitPoints = value;
        break;
      default:
        Object.assign(entity, (0, _common["default"])(type, value));
        break;
    }
    return entity;
  }, {
    type: TYPE,
    controlPoints: [],
    knots: []
  });
};
var _default = exports["default"] = {
  TYPE: TYPE,
  process: process
};