[luatex] Problem with drawing pdf

[Paul Isambert]

Arno Trautmann <Arno.Trautmann at gmx.de> a écrit:
> 
> Hi all,
> 
> I'm having some trouble using curves in pdf. Inspired by the article by 
> Paul Isambert in the TUGboat, I am using the code shown below to draw 
> circles. (I'd like to use this to encircle special positions in a text.)
> This works fine on my screen. However, the circles are just missing when 
> the document is printed. I guess it's just some minor(?) pdf syntax 
> error that is ignored by the viewer but leads to problems with printers. 
> Unfortunately, I don't have a printer here, so I cannot test things 
> easily … does anyone have a hint what's wrong?

The PDF syntax is ok as far as I can tell, and anyway the circle is
properly printed with my printer. So I'd say perhaps the printer you
used just doesn't understand PDF graphics, but since I'm totally
incompetent here it's a wild guess (I don't know if such a printer
exists).

Best,
Paul