R Under development (unstable) (2024-08-21 r87038 ucrt) -- "Unsuffered Consequences"
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> #polylineoffset tests
> library(gridGeometry)
Loading required package: grid
> 
> #Prepare the input in different type: grob, list
> grobLine = linesGrob(x = c(.4, .8, .8, .2, .6), y = c(.3, .3, .8, .8, .6), name = "Line 1")
> grobLine2 = linesGrob(x = c(.6, 0.4), y = c(.6, 0.6), name = "Line 2")
> grobPathLine = gPath("Line 1")
> grobListLine = gList(grobLine, grobLine2)
> xyListLine <- xyListFromGrob(grobLine, closed = F)
> 
> 
> 
> ## Test polylineoffsetGrob
> #Test PolylineoffsetGrob.Grob
> grid.newpage()
> offset <- polylineoffsetGrob(grobLine, delta = unit(0.1, "cm"), jointype="square", endtype = "opensquare")
> grid.draw(offset)
> 
> #Test PolylineoffsetGrob.list
> grid.newpage()
> offset <- polylineoffsetGrob(xyListLine, delta = unit(0.1, "cm"), jointype="square", endtype = "opensquare")
> grid.draw(offset)
> 
> #Test polylineoffsetGrob.character
> grid.newpage()
> grid.draw(grobLine)
> offset <- polylineoffsetGrob("Line 1", delta = unit(0.1, "cm"), jointype="square", endtype = "opensquare")
> #grid.draw(xyListPolygon(offset))
> grid.draw(offset)
> 
> #Test PolylineoffsetGrob.gPath
> grid.newpage()
> grid.draw(grobLine)
> offset <- polylineoffsetGrob(grobPathLine, delta = unit(0.1, "cm"), jointype="square", endtype = "opensquare")
> grid.draw(offset)
> 
> #Test PolylineoffsetGrob.gList
> grid.newpage()
> grid.draw(grobLine)
> grid.draw(grobLine2)
> offset <- polylineoffsetGrob(grobListLine, delta = unit(0.1, "cm"), jointype="square", endtype = "opensquare")
> grid.draw(offset)
> 
> 
> 
> ##Test polylineoffset method
> #Test Polylineoffset.Grob
> grid.newpage()
> offset <- polylineoffset(grobLine, delta = unit(0.1, "cm"), jointype="square", endtype = "opensquare")
> grid.draw(xyListPolygon(offset))
> 
> #Test PolylineoffsetGrob.list
> grid.newpage()
> offset <- polylineoffset(xyListLine, delta = unit(0.1, "cm"), jointype="square", endtype = "opensquare")
> grid.draw(xyListPolygon(offset))
> 
> #Test polylineoffsetGrob.character
> grid.newpage()
> grid.draw(grobLine)
> offset <- polylineoffset("Line 1", delta = unit(0.1, "cm"), jointype="square", endtype = "opensquare")
> grid.draw(xyListPolygon(offset))
> 
> #Test PolylineoffsetGrob.gPath
> grid.newpage()
> grid.draw(grobLine)
> offset <- polylineoffset(grobPathLine, delta = unit(0.1, "cm"), jointype="square", endtype = "opensquare")
> grid.draw(xyListPolygon(offset))
> 
> #Test PolylineoffsetGrob.gList
> grid.newpage()
> grid.draw(grobLine)
> grid.draw(grobLine2)
> offset <- polylineoffset(grobListLine, delta = unit(0.1, "cm"), jointype="square", endtype = "opensquare")
> grid.draw(xyListPolygon(offset))
> 
> 
> 
> ##Test grid.polylineoffset
> #Test grid.polylineoffset.grob
> grid.newpage()
> grid.polylineoffset(grobLine, delta = unit(0.1, "cm"), jointype="square", endtype = "opensquare")
> 
> #Test grid.polylineoffset.list (Should be an error)
> #grid.newpage()
> #grid.polylineoffset(xyListLine, delta = unit(0.1, "cm"), jointype="square", endtype = "opensquare")
> 
> #Test grid.polylineoffset.character
> grid.newpage()
> grid.draw(grobLine)
> grid.polylineoffset("Line 1", delta = unit(0.1, "cm"), jointype="square", endtype = "opensquare")
> 
> #Test grid.polylineoffset.gPath
> grid.newpage()
> grid.draw(grobLine)
> grid.polylineoffset(grobPathLine, delta = unit(0.1, "cm"), jointype="square", endtype = "opensquare")
> 
> #Test grid.polylineoffset.gList
> grid.newpage()
> grid.polylineoffset(grobListLine, delta = unit(0.1, "cm"), jointype="square", endtype = "opensquare")
> 
> proc.time()
   user  system elapsed 
   0.32    0.03    0.34