/**
* Returns the StdVW value from the font file.
* @return The StdVW value, or null if it does not exist.
*/
public BigDecimal getStdVW() {
final PsObject object = getWrappedDictionary().getItem(PsCharStringsDictionary.STD_VW_KEY);
if (object == null || ! (object instanceof PsArray)) {
return null;
}
final PsArray psArray = (PsArray) object;
final Object item = psArray.get(0);