NN2022100801/addons/web/node_modules/@antv/f2/lib/graphic/shape/polygon.js

function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }

var Shape = require('../shape');

var bbox = require('../util/bbox');

var Polygon =
/*#__PURE__*/
function (_Shape) {
  _inheritsLoose(Polygon, _Shape);

  function Polygon() {
    return _Shape.apply(this, arguments) || this;
  }

  var _proto = Polygon.prototype;

  _proto._initProperties = function _initProperties() {
    _Shape.prototype._initProperties.call(this);

    this._attrs.canFill = true;
    this._attrs.canStroke = true;
    this._attrs.type = 'polygon';
  };

  _proto.getDefaultAttrs = function getDefaultAttrs() {
    return {
      points: null,
      lineWidth: 0
    };
  };

  _proto.createPath = function createPath(context) {
    var self = this;
    var attrs = self.get('attrs');
    var points = attrs.points;
    context.beginPath();

    for (var i = 0, len = points.length; i < len; i++) {
      var point = points[i];

      if (i === 0) {
        context.moveTo(point.x, point.y);
      } else {
        context.lineTo(point.x, point.y);
      }
    }

    context.closePath();
  };

  _proto.calculateBox = function calculateBox() {
    var attrs = this.get('attrs');
    var points = attrs.points;
    return bbox.getBBoxFromPoints(points);
  };

  return Polygon;
}(Shape);

Shape.Polygon = Polygon;
module.exports = Polygon;