[NTG-context] Problems creating tfms for an Unicode font

Richard Gabriel rgabriel at kerio.com
Thu Dec 15 10:58:32 CET 2005

Hello ConTeXters,

in consequence to the Hans' prompt, I've tried to create enc and tfm files for some Japanese fonts. Namely, I've tried the Mona (http://monafont.sourceforge.net/index-e.html) and MS Mincho (distributed with Windows XP).

I've done these steps:

1) Created a TTX representation of the font with the ttx utility (http://sourceforge.net/projects/fonttools/)
ttx -t cmap -t name msmincho.ttf

2) Created the enc files using the Adam Lindsay's XSL stylesheet (http://www.ntg.nl/maps/pdf/30_10.pdf)
I've googled out that Japanse "Katakana" and "Hiragana" characters are located at Unicode offsets 0x30, 0x32, 0x33 and 0xff. So I've created four enc files the following way
java -jar saxon8.jar msmincho.ttx ttx2enc.xsl "vector=30" >msmincho30.enc

The files are created without errors, but I cannot judge if they are correct...

3) Tried to create the appropriate tfm files with the ttf2tfm utility. 
ttf2tfm msmincho.ttf -T msmincho30.enc msmincho30.tfm

I got a lot of warnings of style:
--- cut ---
ttf2tfm: WARNING: Cannot find character `uni3064'
         specified in input encoding.
ttf2tfm: WARNING: Cannot find character `uni3065'
         specified in input encoding.
--- cut ---

and finally this error:

--- cut ---
Using msmincho30.enc as input encoding.
ttf2tfm: ERROR: No TTF characters.
--- cut ---

No tfm file was created.

Could somebody advise/help me? I really haven't any experience with font conversion and cannot realize what's goings wrong...
If somebody is willing to help, I'll send him the appropriate files (I can't post them here - it's over 5MB zipped...).

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