var classUtil = require("../../core/utils/class_util");

var Gradient = require("./Gradient");

/**
 * @class qrenderer.graphic.gradient.RadialGradient 
 * @docauthor 大漠穷秋 <damoqiongqiu@126.com>
 */

/**
 * @method constructor RadialGradient
 * @param {Number} [x=0.5]
 * @param {Number} [y=0.5]
 * @param {Number} [r=0.5]
 * @param {Array<Object>} [colorStops]
 * @param {boolean} [globalCoord=false]
 */
var RadialGradient = function RadialGradient(x, y, r, colorStops, globalCoord) {
  // Should do nothing more in this constructor. Because gradient can be
  // declard by `color: {type: 'radial', colorStops: ...}`, where
  // this constructor will not be called.
  this.x = x == null ? 0.5 : x;
  this.y = y == null ? 0.5 : y;
  this.r = r == null ? 0.5 : r; // Can be cloned

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

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

RadialGradient.prototype = {
  constructor: RadialGradient
};
classUtil.inherits(RadialGradient, Gradient);
var _default = RadialGradient;
module.exports = _default;