This does depend on the unstated device. But on most devices the string
width is either exactly or approximately proportional to cex. Some
devices cannot scale fonts so there is a small set of available sizes:
in which case you can use uniroot() to find the cex corresponding to the
closest f
Hello,
I need to add some text to a plot and I would like this text to be of a
given width in user coordinates.
I know I can get the width of a string for a given cex using strwidth. But
how can I do the other way around? How can I get the cex value that will
make my string of a given width (at l
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