zh/builder/src/zrender/graphic/LinearGradient.js

import * as zrUtil from '../core/util';
import Gradient from './Gradient';
/**
 * x, y, x2, y2 are all percent from 0 to 1
 * @param {number} [x=0]
 * @param {number} [y=0]
 * @param {number} [x2=1]
 * @param {number} [y2=0]
 * @param {Array.<Object>} colorStops
 * @param {boolean} [globalCoord=false]
 */

var LinearGradient = function (x, y, x2, y2, colorStops, globalCoord) {
  // Should do nothing more in this constructor. Because gradient can be
  // declard by `color: {type: 'linear', colorStops: ...}`, where
  // this constructor will not be called.
  this.x = x == null ? 0 : x;
  this.y = y == null ? 0 : y;
  this.x2 = x2 == null ? 1 : x2;
  this.y2 = y2 == null ? 0 : y2; // Can be cloned

  this.type = 'linear'; // If use global coord

  this.global = globalCoord || false;
  Gradient.call(this, colorStops);
};

LinearGradient.prototype = {
  constructor: LinearGradient
};
zrUtil.inherits(LinearGradient, Gradient);
export default LinearGradient;