dxf-parser
Version:
Parse dxf files into a readable, logical js object.
72 lines (71 loc) • 2.64 kB
JavaScript
import * as helpers from '../ParseHelpers';
export default class Spline {
constructor() {
this.ForEntityName = 'SPLINE';
}
parseEntity(scanner, curr) {
const entity = { type: curr.value };
curr = scanner.next();
while (!scanner.isEOF()) {
if (curr.code === 0)
break;
switch (curr.code) {
case 10:
if (!entity.controlPoints)
entity.controlPoints = [];
entity.controlPoints.push(helpers.parsePoint(scanner));
break;
case 11:
if (!entity.fitPoints)
entity.fitPoints = [];
entity.fitPoints.push(helpers.parsePoint(scanner));
break;
case 12:
entity.startTangent = helpers.parsePoint(scanner);
break;
case 13:
entity.endTangent = helpers.parsePoint(scanner);
break;
case 40:
if (!entity.knotValues)
entity.knotValues = [];
entity.knotValues.push(curr.value);
break;
case 70:
if ((curr.value & 1) != 0)
entity.closed = true;
if ((curr.value & 2) != 0)
entity.periodic = true;
if ((curr.value & 4) != 0)
entity.rational = true;
if ((curr.value & 8) != 0)
entity.planar = true;
if ((curr.value & 16) != 0) {
entity.planar = true;
entity.linear = true;
}
break;
case 71:
entity.degreeOfSplineCurve = curr.value;
break;
case 72:
entity.numberOfKnots = curr.value;
break;
case 73:
entity.numberOfControlPoints = curr.value;
break;
case 74:
entity.numberOfFitPoints = curr.value;
break;
case 210:
entity.normalVector = helpers.parsePoint(scanner);
break;
default:
helpers.checkCommonEntityProperties(entity, curr, scanner);
break;
}
curr = scanner.next();
}
return entity;
}
}