On 2013-03-30 at 10:46:41 +0100, Paul Isambert wrote: > > circle into an ellipse by modifying the transformation matrix, but > > it's useless because the shape of the pen is distorted too. > > Transformations were dealt with in Lua (modifying paths), not with the > transformation matrix, so I did not encounter that problem. > > On the other hand, my pen had no shape anyway, because pen shapes were > way beyond my programming skills. That's one of the reasons why I > dropped the project (there were just too many things I couldn't do; I > even tried to tackle 3D, and that definitely killed me).
I'm not talking about the pen shapes you know from Metapost. Simply create a path describing a square. Apply "1 0 0 5 0 0 cm" and you'll see that vertical lines are thicker than horizontal lines. > Since everything boils down to Lua code itself producing PDF code, I > don't see why an interface in Lua couldn't be achieved, all the more > as it would integrate nicely with the rest of LuaTeX. Note that I've > never really done anything in PS, so to me it's just yet another weird > language I'd gladly trade for our nice little Lua. I don't insist on PostScript syntax. But if you want a fully fledged graphics interface, you need at least PostScript's functionality. Regards, Reinhard -- ---------------------------------------------------------------------------- Reinhard Kotucha Phone: +49-511-3373112 Marschnerstr. 25 D-30167 Hannover mailto:[email protected] ---------------------------------------------------------------------------- Microsoft isn't the answer. Microsoft is the question, and the answer is NO. ----------------------------------------------------------------------------
