# API to access detailed text metric info # # Copyright (C) 1995-2012 The R Core Team # This first function does NOT return a "unit" object # It is just access to font metric info in the calling context # (similar to the convert*() functions, with corresponding caveats on use) grid.textMetric <- function(string) { } # It should be possible to define units like "strascent" and "strdescent"