- dev-luatex - NTG Mailing Lists

problem with loading Chinese Fonts.
by Sherry Zhang 22 Aug '07

22 Aug '07

Hi, I was just playing luatex with the script in http://luatex.bluwiki.com/go/Use_a_TrueType_font , and found some problem. On Windows XP English Edition or Debian GNU/Linux with luatex 0.10.1 I wrote the following script: ------------------------------------------------------------------file begins \pdfoutput1 \directlua0{ callback.register('define_font', function(name, size) filename=kpse.find_file(name,"truetype fonts") if (filename) then if (size < 0) then size = (- 655.36) * size end ttffont = fontforge.to_table(fontforge.open(filename)) if ttffont then f = { } f.name = ttffont.fontname f.fullname = ttffont.names[1].names.fullname f.parameters = { } f.designsize = size f.size = size direction = 0 f.parameters.slant = 0 f.parameters.space = size * 0.25 f.parameters.space_stretch = 0.3 * size f.parameters.space_shrink = 0.1 * size f.parameters.x_height = 0.4 * size f.parameters.quad = 1.0 * size f.parameters.extra_space = 0 f.characters = { } mag = size / 2048 names_of_char = { } for char, glyph in pairs(ttffont.map.map) do names_of_char[ttffont.glyphs[glyph].name] = ttffont.map.backmap[glyph] end names_of_glyph = { } for char, glyph in pairs(ttffont.map.map) do names_of_glyph[ttffont.glyphs[glyph].name] = glyph end for char, glyph in pairs(ttffont.map.map) do glyph_table = ttffont.glyphs[glyph] f.characters[char] = { index = glyph, width = glyph_table.width * mag, name = glyph_table.name, } if glyph_table.kerns then local kerns = { } for _, kern in pairs(glyph_table.kerns) do kerns[names_of_char[kern.char]] = kern.off * mag end f.characters[char].kerns = kerns end end f.filename = filename f.type = 'real' f.format = 'truetype' f.cidinfo = { registry = "Adobe", ordering = "Identity", supplement = 0, version = 1 } end else f = font.read_tfm(name, size) end return f end ) } %\font\times= times.ttf at 10pt \times Like oratory, music, dance, calligraphy -- like anything that lends its grace to language -- typography is an art that can be deliberately misused. It is a craft by which the meanings of a text (or its absence of meaning) can be clarified, honored and shared, or knowingly disguised. %\font\arial= arial.ttf at 10pt \arial In a world rife with unsolicited messages, typography must often draw attention to itself before it will be read. Yet in order to be read, it must relinquish the attention it has drawn. Typography with anything to say therefore aspires to a kind of statuesque transparency. Its other traditional role is durability: not immunity to change, but a clear superiority to fashion. Typography at its best is a visual form of language linking timelessness and time. %\font\simhei= simhei.ttf at 10pt \simhei %中文 \bye ------------------------------------------------------------------End of file Step 1 times.ttf for Times New Roman and arial.ttf for Arial is available in Microsoft Windows XP, and they looks pretty well. so this script works. Step 2 but then I load a Chinese font, simhei.ttf. It is also available in the English Edition of Windows XP. and now luatex reports: Warning: Glyph 257 is named middot which should mean it is mapped to Unicode U+00B7, but Glyph 194 already has that encoding. and then it crash: This went wrong:[string "luas[0]"]:1: attempt to perform arithemetic on field 'width' (a nil value). <to be read again> \simhei So it fails to compile. Step 3 Then I found a smaller Chinese font named simkai.ttf, you can find it in the Simplified Chinese version of Windows XP. it compiles successfully with the Warning message but without the error message. it generate the pdf file, but the two chinese characters are so close (see the a.pdf I enclosed here) that they are almost in the same place. if I change mag = size / 2048 to mag = size / 256 then the space looks right. Step 4 I tried more Chinese ttf fonts and found that only a few can pass the test, and among those few, the character box width seems all wrong. So how can I make things right? or it is just a bug in luatex? Yue Wang

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dofile, require and kpathsea
by Jonathan Sauer 22 Aug '07

22 Aug '07

Hello, during the weekend, I wrote a little bit of code using external Lua files (since \directlua requires matching braces in the Lua code). I loaded this code using dofile or require. This worked perfectly when the .lua file was in the same directory as the .tex file, otherwise it was not found (even though kpsewhich could find it). I know that Lua's require uses its own search path, and I assume from my results that LuaTeX does not change this behaviour to use kpathsea. I now wonder if there are plans to change that. IMO this should be done, since LuaTeX embeds Lua in a very specific environment which searches for files using kpathsea, not a simple path set as an environment variable. What do you think? Jonathan

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LuaTeX to be in MikTeX 2.8
by Martin Schröder 21 Aug '07

21 Aug '07

http://docs.miktex.org/roadmap/#id471904 http://dojo.miktex.org/blogs/christian_schenk/archive/2007/08/21/1632.aspx Best Martin

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Cron <luatex@server> /home/luatex/luatex-svn
by root＠aanhet.net 20 Aug '07

20 Aug '07

U luatex/trunk/src/texk/web2c/luatexdir/luatex.web U luatex/trunk/manual/luatexref-t.tex U luatex/trunk/manual/luatexref-t.pdf Checked out revision 679.

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Cron <luatex@server> /home/luatex/luatex-svn
by root＠aanhet.net 19 Aug '07

19 Aug '07

U luatex/trunk/src/texk/web2c/luatexdir/font/writecff.c Checked out revision 678.

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Cron <luatex@server> /home/luatex/luatex-svn
by root＠aanhet.net 19 Aug '07

19 Aug '07

U luatex/trunk/src/libs/luafontforge/src/luafflib.c U luatex/trunk/src/libs/luafontforge/fontforge/fontforge/parsettf.c U luatex/trunk/src/texk/web2c/luatexdir/lua/lnodelib.c U luatex/trunk/src/texk/web2c/luatexdir/font/writecff.c U luatex/trunk/src/texk/web2c/luatexdir/font/writetype0.c U luatex/trunk/src/texk/web2c/luatexdir/font/writecff.h Checked out revision 677.

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Cron <luatex@server> /home/luatex/luatex-svn
by root＠aanhet.net 17 Aug '07

17 Aug '07

U luatex/trunk/src/libs/luafontforge/src/ffdummies.c U luatex/trunk/src/libs/luafontforge/src/luafflib.c A luatex/trunk/src/libs/luafontforge/fontforge/fontforge/splinesave.c A luatex/trunk/src/libs/luafontforge/fontforge/fontforge/tottfgpos.c U luatex/trunk/src/libs/luafontforge/fontforge/fontforge/Makefile A luatex/trunk/src/libs/luafontforge/fontforge/fontforge/tottf.c A luatex/trunk/src/libs/luafontforge/fontforge/fontforge/tottfvar.c U luatex/trunk/src/texk/web2c/luatexdir/font/writecff.c U luatex/trunk/src/texk/web2c/luatexdir/font/writefont.c Checked out revision 673.

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Letterspacing in LuaTeX: Wants to create <font>+<spacing>ls
by Jonathan Sauer 17 Aug '07

17 Aug '07

Hello, when typesetting a document of mine using LuaTeX, I noticed that letterspacing seems not to work: LuaTeX runs mktexpk to create the letterspaced font and fails. pdfTeX simply extends the spacing of the base font. I created a small Plain-based example file which demonstrates the behaviour: ------------------------------- CUT --------------------------------- \pdfoutput1 \letterspacefont\ltenrm\tenrm10 \ltenrm This is a test. \tenrm This is a test. \bye ------------------------------- CUT --------------------------------- The log: ------------------------------- CUT --------------------------------- This is luaTeX, Version 3.141592-beta-0.10.2-2007081018 (Web2C 7.5.6) (LetterspaceFont.tex [1{/usr/local/teTeX/share/texmf.local/fonts/map/pdftex/upd map/pdftex.map}]kpathsea: Running mktexpk --mfmode / --bdpi 72 --mag 1+0/72 --dpi 72 cmr10+10ls mktexpk: don't know how to create bitmap font for cmr10+10ls. kpathsea: Appending font creation commands to missfont.log. ) luaTeX warning (file cmr10+10ls): Font cmr10+10ls at 72 not found </usr/local/teTeX/share/texmf.tetex/fonts/type1/bluesky/cm/cmr10.pfb> Output written on LetterspaceFont.pdf (1 page, 5404 bytes). Transcript written on LetterspaceFont.log. ------------------------------- CUT --------------------------------- I have attached the resulting PDF; Acrobat 7 Mac displays a warning that some fonts were not found; Acrobat 8 Win simply uses Helvetica instead of the missing letterspaced font. It seems LuaTeX handles letterspacing like early versions of pdfTeX handle font expansion: By requiring an adjusted font file. Is this a bug? A feature? A reminder not to use letterspacing? ;-) Jonathan

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test versions of context
by Norbert Preining 16 Aug '07

16 Aug '07

Hi all, (cc-ing the usual suspects) I have created test versions of ConTeXt 2007.08.09, if you can give it a try: context deb http://people.debian.org/~preining/TeX/ context/ deb-src http://people.debian.org/~preining/TeX/ context/ On sid this should be no problem, for etch you need texlive and tex-common deb http://people.debian.org/~preining/TeX/ tl2007/ deb-src http://people.debian.org/~preining/TeX/ tl2007/ lmodern deb http://people.debian.org/~preining/TeX/ lmodern/ deb-src http://people.debian.org/~preining/TeX/ lmodern/ If you want to test the new context/luatex functionality you should also get the latest luatex package: luatex deb http://people.debian.org/~preining/TeX/ luatex/ deb-src http://people.debian.org/~preining/TeX/ luatex/ (which is 0.10.2-2). It has already been uploaded to Debian but has to go through the NEW queue (which usually takes some time). Sorry NO etch version for now for luatex, I have to adapt the poppler patch first. I run several documents with the new context and it worked. Please report your success/failure to me, thanks a lot. Especially one with a bit of experience could test luatex/context combination, that would be great. Best wishes Norbert ------------------------------------------------------------------------------- Dr. Norbert Preining <preining(a)logic.at> Vienna University of Technology Debian Developer <preining(a)debian.org> Debian TeX Group gpg DSA: 0x09C5B094 fp: 14DF 2E6C 0307 BE6D AD76 A9C0 D2BF 4AA3 09C5 B094 ------------------------------------------------------------------------------- SPROSTON GREEN (n.) The violent colour of one of Nigel Rees's jackets, worn when he thinks he's being elegant. --- Douglas Adams, The Meaning of Liff

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Cron <luatex@server> /home/luatex/luatex-svn
by root＠aanhet.net 16 Aug '07

16 Aug '07

U luatex/trunk/src/libs/lua51/ldebug.c U luatex/trunk/src/texk/web2c/luatexdir/font/vfovf.c Checked out revision 672.

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