import Point from '../geom/Point';
import AbstractAnchor from './AbstractAnchor';
import { getEllipseAnchorPoint } from '../utils/anchor-utils';

export default class CenterAnchor extends AbstractAnchor {
  getLocation(reference: Point): Point {
    const bounds = this.owner.getBounds();
    if (this.offset === 0) {
      return bounds.getCenter();
    }
    const offset2x = this.offset * 2;
    return getEllipseAnchorPoint(bounds.getCenter(), offset2x, offset2x, reference);
  }
}