Thank you for your detailed information. 2011/10/25 Hans Hagen <pra...@wxs.nl>: > On 25-10-2011 14:09, Lutz Haseloff wrote: >> >> Hi all, >> >> some months ago I printed the name of the current font with following >> code: >> >> \starttext >> The current font is: >> \ctxlua{tex.print(font.getfont(font.current()).fullname)}. >> \stoptext >> >> Now I get an error message: >> >> ! LuaTeX error<main ctx instance>:1: no string to print >> stack traceback: >> [C]: in function 'print' >> <main ctx instance>:1: in main chunk. >> l.2 ...int(font.getfont(font.current()).fullname)} >> . >> ? >> >> What is the right way now? >> (didn't find any news in functionref.pdf or luatexref-t.pdf) > > In order of efficiency (most efficient on top): > > \starttext > > \ctxlua{tex.print(fonts.hashes.properties[font.current()].fullname)} > > \ctxlua{tex.print(fonts.hashes.identifiers[font.current()].properties.fullname)} > > \ctxlua{tex.print(font.getfont(font.current()).properties.fullname)} > > \stoptext > > the font.getfont returns the table that tex gets passed and in context that > table gets normalized, in the sense that variables are collected in > 'properties' and 'parameters' > > in general, don't use font.getfont() in context as in the worst case it will > rebuild a lua table at the tex > > in the current beta you can run s-fnt-35.mkiv to see how this works > > (this file will be renamed in a next beta) > > Hans > > > > ----------------------------------------------------------------- > Hans Hagen | PRAGMA ADE > Ridderstraat 27 | 8061 GH Hasselt | The Netherlands > tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com > | www.pragma-pod.nl > ----------------------------------------------------------------- > ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki!
maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________