R Under development (unstable) (2025-07-22 r88445 ucrt) -- "Unsuffered Consequences"
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> library(grid)
> library(gridSVG)

Attaching package: 'gridSVG'

The following objects are masked from 'package:grid':

    linearGradient, pattern, radialGradient

The following object is masked from 'package:grDevices':

    dev.off

> 
> x <- roundrectGrob(width=.8, height=.8, name="x", gp=gpar(lwd=5))
> 
> grid.newpage()
> grid.draw(x)
> grid.gradientFill("x", linearGradient(c("green", "yellow")))
> grid.export("force-gradient.svg")
> 
> grid.newpage()
> grid.draw(x)
> grid.animate("x", "stroke-opacity"=1:0)
> grid.export("force-animate.svg")
> 
> grid.newpage()
> grid.draw(x)
> grid.hyperlink("x", href="http://www.stat.auckland.ac.nz/")
> grid.export("force-hyper.svg")
> 
> grid.newpage()
> grid.draw(x)
> grid.filter("x", filterEffect(feGaussianBlur(sd=5)))
> grid.export("force-filter.svg")
> 
> grid.newpage()
> grid.draw(x)
> grid.patternFill("x", pattern(circleGrob()))
> grid.export("force-pattern.svg")
> 
> grid.newpage()
> grid.draw(x)
> grid.garnish("x", title="tooltip")
> grid.export("force-garnish.svg")
Warning message:
In checkAttrs(attrs, eltName) : Removing non-SVG attribute name(s): title
> 
> proc.time()
   user  system elapsed 
   0.79    0.10    0.90