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List:       kde-devel
Subject:    Re: Font embedding -- TrueType
From:       James Richard Tyrer <tyrerj () acm ! org>
Date:       2003-08-21 8:36:36
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Lars Knoll wrote:

> No. Think about a system with a remote font server. The font server can 
> deliver bitmaps for xlfd fonts it exports, but we have no way at all to get 
> access to the font file.
> 
I don't have a network, so I must admit that I have no idea how a font 
server works with FontConfig.  But, I would guess that you need to tell 
FontConfig the network directories for the fonts -- using NFS or something. 
   Read only access is/should be OK as long as FontConfig is running on the 
server as well.  If you don't do this, you are only going to have 
bit-mapped fonts and NO FreeType2 and NO AA. :-(
> 
>>It was my understanding that if you have FontConfig and FreeType2 that you
>>can get the font file location from FontConfig and then a FreeType2 call
>>can get the PS font name -- at least on a desktop system.  If not with a
>>font server, then improvements need to be made there so the job would be
>>simple.
> 
> 
> You are right when talking about Xft fonts. For font servers I don't see a 
> solution, since I doubt you'll get anyone to make changes to the font server 
> protocol to support querying of raw font data.

Although it is my understanding that FontConfig provides the full path font 
name, there is a FreeType library call so if you have the font open in 
FreeType2, raw access shouldn't actually be needed (if that matters).

In any case, I have a patch for Qt-3.1.2 that works on my single user 
system -- produces the correct PostScript font names when you don't embed 
the fonts.  See attached.  But, I found an additional bug.  The PS files 
produced by Qt contain a list of fonts for backup (is this necessary?).  It 
appears that the wrong PS name is part of the list:

% Fonts and encodings used
/TimesNewRomanPSMTList [
[ /TimesNewRomanPSMT 1.0 0.0 ]
   [ /TimesNewRomanPs 1.0 0.0 ]
   [ /Helvetica 0.987 0.0 ]
] d

Clearly, "TimesNewRomanPs" is wrong.  And, why is the backup Helvetica 
rather than: "Times-Roman"?  Is it the "Ps"?  if so, simple fix.

--
JRT

 
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