Maybe use the Julia wrapper for  "cairo_surface_flush"?

Am Montag, 3. November 2014 17:27:23 UTC+1 schrieb [email protected]:
>
> This is my "Hello world" for Cairo in Julia outputting to PNG:
>
> using Cairo
>
> imwidth = 200
> imheight = 200
>
> c = CairoRGBSurface(imwidth,imheight)
> cr = CairoContext(c)
>
> set_source_rgba(cr, 1, 0.7, 0.2, 0.9)
> set_line_width(cr, 1)
> circle(cr, 100, 100, 50)
> stroke(cr)
>
> select_font_face (cr, "Helvetica", Cairo.FONT_SLANT_NORMAL, 
> Cairo.FONT_WEIGHT_NORMAL)
> set_font_size (cr, 12)
> move_to(cr, 100,100)
> show_text(cr,"Hello world")
>
> write_to_png(c,"/tmp/helloworld.png")
> run(`open /tmp/helloworld.png`)
>
>
> But I prefer to output to PDF. I've got as far as finding this:
>
> c = CairoPDFSurface("/tmp/helloworld.pdf", imwidth, imheight)
>
>
> but there's isn't a write_to_pdf() function (obviously?). But I can't get 
> any output.
>
> Pkg.installed() gives:
>
>  "Cairo"             => v"0.2.20"
>
> and I'm on version 0.3.0.
>
>
>

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