(character(1)) font family to use during
string width and lines-per-page calculations. You can specify
"Times New Roman" as "Times" or "serif", regardless of OS.
Beyond that, see family entry in graphics::par()
for details.
font_size
(numeric(1)) font size to use during string width
calculations and lines-per-page calculations.
lineheight
(numeric(1)) line height to use during
lines-per-page calculations.
Details
Passing the output of this constructor
to the rendering or pagination machinery defines
a font for use when calculating word wrapping and pagination.