dxf-parser
Version:
Parse dxf files into a readable, logical js object.
39 lines (38 loc) • 1.42 kB
JavaScript
import * as helpers from '../ParseHelpers';
export default class Circle {
constructor() {
this.ForEntityName = 'CIRCLE';
}
parseEntity(scanner, curr) {
const entity = { type: curr.value };
curr = scanner.next();
while (!scanner.isEOF()) {
if (curr.code === 0)
break;
switch (curr.code) {
case 10: // X coordinate of point
entity.center = helpers.parsePoint(scanner);
break;
case 40: // radius
entity.radius = curr.value;
break;
case 50: // start angle
entity.startAngle = Math.PI / 180 * curr.value;
break;
case 51: // end angle
const endAngle = Math.PI / 180 * curr.value;
if (endAngle < entity.startAngle)
entity.angleLength = endAngle + 2 * Math.PI - entity.startAngle;
else
entity.angleLength = endAngle - entity.startAngle;
entity.endAngle = endAngle;
break;
default: // ignored attribute
helpers.checkCommonEntityProperties(entity, curr, scanner);
break;
}
curr = scanner.next();
}
return entity;
}
}