
embedFonts Embed Fonts in PostScript and PDF Description Runs Ghostscript to process a PDF or PostScript file and embed all fonts in the file.  Usage 
embedFonts(file, format, outfile = file,
           fontpaths = character(), options = character())
 Arguments  
file  a character string giving the name of the original file. 
 
format  the format for the new file (with fonts embedded) given as the name of a ghostscript output device. If not specified, it is guessed from the suffix of file. 
 
outfile  the name of the new file (with fonts embedded). 
 
fontpaths  a character vector giving directories that Ghostscript will search for fonts. 
 
options  a character vector containing further options to Ghostscript. 
  Details This function is not necessary if you just use the standard default fonts for PostScript and PDF output.  If you use a special font, this function is useful for embedding that font in your PostScript or PDF document so that it can be shared with others without them having to install your special font (provided the font licence allows this).  If the special font is not installed for Ghostscript, you will need to tell Ghostscript where the font is, using something like options="-sFONTPATH=path/to/font".  You will need ghostscript: the full path to the executable can be set by the environment variable R_GSCMD. If this is unset, a GhostScript executable will be looked for by name on your path: on a Unix alike "gs" is used, and on Windows the setting of the environment variable GSC is used, otherwise commands "gswi64c.exe" then "gswin32c.exe" are tried.  The format is by default "ps2write", when the original file has a .ps or .eps suffix, or "pdfwrite" when the original file has a .pdf suffix. For versions of Ghostscript before 9.10, format = "pswrite" or format =
  "epswrite" can be used: as from 9.14 format = "eps2write" is also available. If an invalid device is given, the error message will list the available devices.  Note that Ghostscript may do font substitution, so the font embedded may differ from that specified in the original file.  Some other options which can be useful (see your Ghostscript documentation) are -dMaxSubsetPct=100, -dSubsetFonts=true and -dEmbedAllFonts=true.  Value The shell command used to invoke Ghostscript is returned invisibly. This may be useful for debugging purposes as you can run the command by hand in a shell to look for problems.  See Also postscriptFonts, Devices.  Paul Murrell and Brian Ripley (2006). “Non-standard fonts in PostScript and PDF graphics.” R News, 6(2), 41–47. https://www.r-project.org/doc/Rnews/Rnews_2006-2.pdf. 

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