R Under development (unstable) (2024-08-21 r87038 ucrt) -- "Unsuffered Consequences"
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> #polyoffset tests
> library(gridGeometry)
Loading required package: grid
> 
> #Prepare the input in different type: grob, list
> grobPolygon <- polygonGrob(x = c(.5, .8, .8, .5, .6),
+                            y = c(.3, .3, .8, .8, .55),
+                            name = "Polygon 1")
> grobCircle <- circleGrob(0.25, r = 0.25, name = "Circle 1")
> grobPathPolygon <- gPath("Polygon 1")
> grobListPolygon <- gList(grobPolygon, grobCircle)
> xyListPolygon <- xyListFromGrob(grobPolygon, closed = T)
> 
> 
> 
> ## Test polyoffsetGrob
> #Test PolyoffsetGrob.Grob
> grid.newpage()
> offset <- polyoffsetGrob(grobPolygon, delta = unit(0.5, "cm"),
+                          jointype="square")
> grid.draw(offset)
> 
> #Test PolyoffsetGrob.list
> grid.newpage()
> offset <- polyoffsetGrob(xyListPolygon, delta = unit(0.5, "cm"),
+                          jointype="square")
> grid.draw(offset)
> 
> #Test PolyoffsetGrob.character
> grid.newpage()
> grid.draw(grobPolygon)
> offset <- polyoffsetGrob("Polygon 1", delta = unit(0.5, "cm"),
+                          jointype="square")
> grid.draw(offset)
> 
> #Test polyoffsetGrob.gPath
> grid.newpage()
> grid.draw(grobPolygon)
> offset <- polyoffsetGrob(grobPathPolygon, delta = unit(0.5, "cm"),
+                          jointype="square")
> grid.draw(offset)
> 
> #Test polyoffsetGrob.gList
> grid.newpage()
> offset <- polyoffsetGrob(grobListPolygon, delta = unit(0.5, "cm"),
+                          reduce = "union", jointype="square")
> grid.draw(offset)
> 
> 
> 
> ##Test polyoffset method
> #Test Polyoffset.Grob
> grid.newpage()
> offset <- polyoffset(grobPolygon, delta = unit(0.5, "cm"), jointype="square")
> grid.draw(xyListPolygon(offset))
> 
> #Test Polyoffset.list
> grid.newpage()
> offset <- polyoffset(xyListPolygon, delta = unit(0.5, "cm"), jointype="square")
> grid.draw(xyListPolygon(offset))
> 
> #Test Polyoffset.character
> grid.newpage()
> grid.draw(grobPolygon)
> offset <- polyoffset("Polygon 1", delta = unit(0.5, "cm"), jointype="square")
> grid.draw(xyListPolygon(offset))
> 
> #Test Polyoffset.gPath
> grid.newpage()
> grid.draw(grobPolygon)
> offset <- polyoffset(grobPathPolygon, delta = unit(0.5, "cm"),
+                      jointype="square")
> grid.draw(xyListPolygon(offset))
> 
> #Test Polyoffset.gList
> grid.newpage()
> offset <- polyoffset(grobListPolygon, delta = unit(0.5, "cm"),
+                      reduce = "union", jointype="square")
> grid.draw(xyListPolygon(offset))
> 
> 
> 
> ##Test grid.polyoffset
> #Test grid.polyoffset.grob
> grid.newpage()
> grid.polyoffset(grobPolygon, delta = unit(0.5, "cm"), jointype="square")
> 
> #Test grid.polyoffset.list (should be error)
> #grid.newpage()
> #grid.polyoffset(xyListPolygon, delta = unit(0.5, "cm"), jointype="square")
> 
> #Test grid.polyoffset.character
> grid.newpage()
> grid.draw(grobPolygon)
> grid.polyoffset("Polygon 1", delta = unit(0.5, "cm"), jointype="square")
> 
> #Test grid.polyoffset.gPath
> grid.newpage()
> grid.draw(grobPolygon)
> grid.polyoffset(grobPathPolygon, delta = unit(0.5, "cm"), jointype="square")
> 
> #Test grid.polyoffset.gList
> grid.newpage()
> grid.polyoffset(grobListPolygon, delta = unit(0.5, "cm"),
+                 reduce = "union", jointype="square")
> 
> 
> proc.time()
   user  system elapsed 
   0.29    0.09    0.37