R/zzz.R

In Cairo: R Graphics Device using Cairo Graphics Library for Creating High-Quality Bitmap (PNG, JPEG, TIFF), Vector (PDF, SVG, PostScript) and Display (X11 and Win32) Output

.onLoad <- function(libname, pkgname) {
    ## add our libs to the PATH
    if (.Platform$OS.type=="windows") {
        lp<-gsub("/","\\\\",paste(libname,pkgname,"libs",sep="/"))
        cp<-strsplit(Sys.getenv("PATH"),";")
        if (! lp %in% cp) Sys.setenv(PATH=paste(lp,Sys.getenv("PATH"),sep=";"))
    }
    library.dynam("Cairo", pkgname, libname)
    .Call("Rcairo_initialize", PACKAGE="Cairo")
}