AS3滤镜模糊效果

import flash.filters.BitmapFilterQuality;
import flash.filters.BitmapFilterType;
import flash.filters.GradientGlowFilter;
import flash.filters.BlurFilter;
var blurX:Number=5;
var blurY:Number=15;
var bf:BlurFilter=new BlurFilter(blurX,blurY,BitmapFilterQuality.HIGH);
var fArr:Array=new Array(bf);
displayObject.filters=fArr;