/******************************************************************************** *                          浏览器访问设备出现白条 * 说明： *     使用Chrome访问设备的Web Server，右、下方都出现白条，查找一下webvisu.js中 * 的原因。 * *                                                        2017-5-3 台湾 中和区 *******************************************************************************/var Oa;Oa = function(a, b, c, d) {    this.a = a;    a = this.zf(b);    c = this.zf(c); (a.width !== c.width || a.height !== c.height) && h(Error("Expected two canvasses of the same size"));    z.Nh(a, c);    if (d) a.width = c.width = window.innerWidth - 20,          // 减了20    a.height = c.height = window.innerHeight - 20;              // 减了20    this.ra = this.Af(a);    this.z = this.Af(c);    this.yd = new Ta;    this.xf = new Ua(this.z);    this.Ve = new Ua(this.ra);    this.nc = p;    this.Ff = new Va;    this.Dd = new Wa(this.a);    this.Pd = new Xa(this);    this.nd = p};