두 박스간 스케일 비율 계산

this.percentageBetweenContainer=function( argContainer ) {
var  pntContainer=argContainer;


var floatXScale=1.0;
var floatYScale= 1.0;
var floatRet=1.0;


if(  pntContainer.w  > posBounds.w &&  pntContainer.h  > posBounds.h ){
return floatRet;
}


floatXScale=(pntContainer.w)/(posBounds.w);
floatYScale=(pntContainer.h)/(posBounds.h);

if(floatXScale<floatYScale){
floatRet=floatXScale;
}else{
floatRet=floatYScale;
}
return floatRet;
}