grDevices::pdf() draws the glyphs of geom_point_glyph() by referring to
the shapes font without embedding it, so the file shows the shapes only on a
system where the font is installed. embed_shapes_font() embeds the shapes
it uses, with Ghostscript through grDevices::embedGlyphs().
Arguments
- file
Path to a PDF file written by
grDevices::pdf().- outfile
Path to write the PDF with the font embedded. The default overwrites
file.
Value
outfile, invisibly. It is file unless outfile is given, so the
result is always the path of the PDF with the font embedded.
Details
Requires R 4.3 or later and Ghostscript (see tools::find_gs_cmd()). Only
files written by pdf() need it: ragg and the other raster devices
draw the glyphs into the image.
See also
register_shapes_font() for the font itself.
Other shapes:
cleveland_shape_pal(),
geom_point_glyph(),
register_shapes_font(),
scale_shape_cleveland(),
scale_shape_tremmel(),
tremmel_shape_pal()
Examples
library("ggplot2")
p <- ggplot(mtcars, aes(wt, mpg, shape = factor(gear))) +
geom_point_glyph(size = 3) +
scale_shape_cleveland(unicode = TRUE)
path <- tempfile(fileext = ".pdf")
ggsave(path, p, device = pdf, width = 5, height = 4)
embed_shapes_font(path)