dd_xcx/node_modules/@antv/f2/lib/component/guide/arc.js

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));

var _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));

var _inheritsLoose2 = _interopRequireDefault(require("@babel/runtime/helpers/inheritsLoose"));

function _createSuper(Derived) { return function () { var Super = (0, _getPrototypeOf2["default"])(Derived), result; if (_isNativeReflectConstruct()) { var NewTarget = (0, _getPrototypeOf2["default"])(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return (0, _possibleConstructorReturn2["default"])(this, result); }; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }

var Util = require('../../util/common');

var GuideBase = require('./base');

var Arc = /*#__PURE__*/function (_GuideBase) {
  (0, _inheritsLoose2["default"])(Arc, _GuideBase);

  var _super = _createSuper(Arc);

  function Arc() {
    return _GuideBase.apply(this, arguments) || this;
  }

  var _proto = Arc.prototype;

  _proto._initDefaultCfg = function _initDefaultCfg() {
    this.type = 'arc';
    /**
     * start point
     * @type {Array | Function}
     */

    this.start = [];
    /**
     * end point
     * @type {Array | Function}
     */

    this.end = [];
    /**
     * style configuration
     * @type {Object}
     */

    this.style = {
      stroke: '#999',
      lineWidth: 1
    };
  };

  _proto.render = function render(coord, container) {
    var self = this;
    var start = self.parsePoint(coord, self.start);
    var end = self.parsePoint(coord, self.end);

    if (!start || !end) {
      return;
    }

    var coordCenter = coord.center;
    var radius = Math.sqrt((start.x - coordCenter.x) * (start.x - coordCenter.x) + (start.y - coordCenter.y) * (start.y - coordCenter.y));
    var startAngle = Math.atan2(start.y - coordCenter.y, start.x - coordCenter.x);
    var endAngle = Math.atan2(end.y - coordCenter.y, end.x - coordCenter.x);
    var shape = container.addShape('arc', {
      className: 'guide-arc',
      attrs: Util.mix({
        x: coordCenter.x,
        y: coordCenter.y,
        r: radius,
        startAngle: startAngle,
        endAngle: endAngle
      }, self.style)
    });
    self.element = shape;
    return shape;
  };

  return Arc;
}(GuideBase);

GuideBase.Arc = Arc;
module.exports = Arc;