valid.just {grid} | R Documentation |
Utility functions for determining whether a justification specification is valid and for resolving a single justification value from a combination of character and numeric values.
valid.just(just) resolveHJust(just, hjust) resolveVJust(just, vjust)
just |
A justification either as a character value,
e.g., |
hjust |
A numeric horizontal justification |
vjust |
A numeric vertical justification |
These functions may be useful within a validDetails
method
when writing a new grob class.
A numeric representation of the justification (e.g.,
"left"
becomes 0, "right"
becomes 1, etc, ...).
An error is given if the justification is not valid.
Paul Murrell