This sounds like the same issue as
https://github.com/dcjones/Compose.jl/issues/133. Try using polygon instead of
rectangle for now.
On Wednesday, August 26, 2015 at 10:34:21 AM UTC-7, Mark wrote:
> Learning Compose.
>
> Trying the code below to rotate images.
>
> The rotate function seems to work on the line-drawn "V" but not on the
> colored checker box.
>
> How do I fix this so the rotate function works for drawings like the checker
> box?
>
> Some outputs attached.
>
> Thank you for your advice.
>
>
> ********
>
> using Compose
> using Color
>
> # draw a black box
> function blackbox()
> compose(context(), rectangle(), fill("black"))
> end
>
> # draw a blue box
> function bluebox()
> compose(context(), rectangle(), fill("lightblue"))
> end
>
> # join pic2 to pic1 horizontally
> function hsplice(pic1, pic2)
> compose(context(), compose(context(0.0, 0.0, 0.5, 1.0), pic1),
> compose(context(0.5, 0.0, 0.5, 1.0), pic2))
> end
>
> # join pic2 to pic1 vertically
> function vsplice(pic1, pic2)
> compose(context(), compose(context(0.0, 0.0, 1, 0.5), pic1),
> compose(context(0.0, 0.5, 1, 0.5), pic2))
> end
>
> # rotate pic counter-clockwise 90 degrees
> function rotate(pic)
> compose(context(rotation=Rotation(-pi/2)), pic)
> end
>
> # draw a checker pattern
> function checker(p1, p2)
> compose(vsplice(hsplice(p1, p2),
> hsplice(p2, p1)))
> end
>
>
> # cpic is a blue and black checker picture
> cpic = checker(bluebox(), blackbox())
>
> # cimg receives cpic
> cimg = SVG("cpic.svg", 8cm, 8cm)
>
> # draw cpic to cimg
> draw(cimg, cpic)
>
> #rotate checker:
> rpic = rotate(cpic)
> rimg = SVG("rpic.svg", 8cm, 8cm)
> draw(rimg, rpic)
>
> # check rotate function:
>
> # points to draw a "V"
> Vpoints = [ (0.2, 0),
> (0.5, 1),
> (0.8, 0) ]
>
>
> # draw a V:
> vpic = compose(context(), stroke("black"), line(Vpoints))
>
> # file for "V" drawing:
> vimg = SVG("vimg.svg", 8cm, 8cm)
>
> # draw vimg:
> draw(vimg, vpic)
>
> # rotate vpic:
> rvpic = rotate(vpic)
> rvimg = SVG("rvimg.svg", 8cm, 8cm)
> draw(rvimg, rvpic)
