Duplication in HBox/VBox

[Michael Strauß]

> - Make it clear which values are snapped, raw or near-snapped by using
> prefixes "raw", "snapped" and "near" in variables and method names.
> Much of the code incorrectly assumes that adding, subtracting or
> multiplying two snapped values results in a snapped value.  This is not
> true, it is only a nearly snapped value; it must be resnapped if
> returned.  By meticulously tracking what is snapped, almost snapped and
> raw it is easier to call snap functions only when needed.  This is
> mostly renaming of variables.  There are numerous small problems in
> these classes (and probably other classes) where values are not
> resnapped after floating point calculations.

It is incredible easy to get this wrong. I'd appreciate a "how to snap
correctly" tutorial/documentation somewhere in JavaFX.