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

> 
> # A very simple test
> dev.new(width=6, height=6)
dev.new(): using pdf(file="Rplots1.pdf")
> # Test script chunk
> grid.script(file="test.script")
> # Some default settings
> pushViewport(viewport(gp=gpar(col="black", fill=NA)))
> grid.circle(r=0.1, gp=gpar(fill="red"), name="circgrob")
> # Test setting SVG attribute
> grid.garnish("circgrob", onclick="circle_click(evt)")
> popViewport()
> 
> grid.export()
> dev.off()
null device 
          1 
> 
> 
> # Single attribute value on single grob
> grid.newpage()
> grid.circle(r=.1, gp=gpar(fill="black"), name="c")
> grid.garnish("c", onmousedown="alert('ouch')")
> grid.export("testattrcircle.svg")
> 
> # Multiple attribute values on single grob
> grid.newpage()
> pushViewport(viewport())
> grid.points(1:3/4, 1:3/4, pch=c(1, 10, 16), name="p")
> grid.garnish("p", 
+              onmousedown=c("alert('pch=1')",
+                "alert('pch=10')",
+                "alert('pch=16')"),
+              group=FALSE)
> grid.export("testattrpoints.svg")
> 
> # Multiple garnishes (one with single value, one with multiple values)
> grid.newpage()
> grid.circle(x=1:3/4, r=.1, gp=gpar(fill="black"), name="c")
> grid.garnish("c",
+              onmouseover=c("alert('c1')", "alert('c2')", "alert('c3')"),
+              group=FALSE)
> grid.garnish("c",
+              onmousedown="alert('click me!')")
> grid.export("testmultattr.svg")
>              
> # Sneak an SVG attribute through via gpar()
> grid.newpage()
> grid.text("test",
+           gp=gpar("text-decoration"="line-through"),
+           name="tt")
> grid.export("testsvgattr.svg")
> 
> proc.time()
   user  system elapsed 
   0.54    0.10    0.65