Subject: Re: unix font handling and printing under utf-8 locale
From: Leonard Rosenthol (leonardr@lazerware.com)
Date: Tue Jan 30 2001 - 19:36:17 CST
At 11:49 PM +0400 1/30/01, Vlad Harchev wrote:
> As I understand, CJK guys use only TTFs for scalable fonts (they don't use
>Type1 fonts since they are ~10Mb each due to their format).
Actually, there are some really good quality Type 1/CID CJK
fonts that are used in professional publishing. However, I suspect
that you won't find those on most Unix boxes.
> So presumably
>there exist patches for Xfree and/or vairous font servers to support ttfs with
>more than 256 glyphs.
I am pretty sure that the new XFree will handle Unicode
TTF's, since it uses FreeType to do all the heavy lifting.
> Also, CJK people use only TTF fonts when printing to PS,
Why wouldn't they use them elsewhere? I'm confused here...
>but no fonts/afms are emitted into .ps in CJK mode since TTF fonts are already
>registered in ghostscript.
I don't believe that CJK TTFs are registered by GS, but I am
willing to be proven wrong on this one.
> Having ability to print using TTFs would be handy though.
Yup!
> You first should be able to register your fonts in GS. Just see Fontmap file
>that comes with it and add more entries of the same form. It should just work.
That's only useful if you are printing through GS. If you
are going direct to a PS printer then it won't help.
> Then we should code for AW not to include afms and pfms of fonts into .ps for
>some subset of fonts.
Or we should only include them once - not for each page!
>For TTFs - I think we could query Xserver for all this
>information (even using gdk), but for very big font size (say 200 pixels) to
>make rounding errors smaller.
Or linking against FreeType.
>Well, that's it. Currently in CJK mode
>information about glyphs dimensions is specified via special syntax of
>fonts.dir (ascent, descent are encoded in XLFD in CJK mode - see
>XAP_UnixFontManager::_allocateCJKFont()).
In which case FT would handle it automatically for us - and
not have to special case.
Leonard
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