* Returns the extent property.
* @param fobj The FObj to which the property belongs.
* @return The extent property.
*/
public int getExtent(final FObj fobj) {
final PdExtent property = (PdExtent) getProperty(FoProperty.EXTENT);
if (property != null) {
return property.getValue(fobj);
}
return PdExtent.getValueNoInstance();
}