tracer says to #ysitd
d};k.math.Rect.prototype.difference=function(a){return k.math.Rect.difference(this,a)};k.math.Rect.prototype.boundingRect=function(a){var c=Math.max(this.left+this.width,a.left+a.width),d=Math.max(this.top+this.height,a.top+a.height);this.left=Math.min(this.left,a.left);this.top=Math.min(this.top,a.top);this.width=c-this.left;this.height=d-this.top};k.math.Rect.boundingRect=function(a,c){if(!a||!c)return null;var d=a.clone();d.boundingRect(c);return