[Fontinst] Problem generating OT2 Minion Cyrillic

[Ulrich Dirr]

Thank you very much for the explanations. The confusion in my fontinst 
files had just reflected my own confusion ;-)

Best regards,
Ulrich Dirr

Lars Hellström wrote:
> At 16.54 +0200 2003-08-30, Ulrich Dirr wrote:
> 
>>Hi,
>>
>>I'm obviously too stupid to understand the correct procedure
>>generating a valid OT2 encoded Minion-Cyrillic font with fontinst.
>>
>>I tried something like
>>
>>\input fontinst.sty
>>% the next two files and cyrillic.mtx are from the t2 package
>>\input fnstcorr
>>\input cyralias
>>\installfonts
>>\resetint{minimumkern}{4}
>>\transformfont{pmnr7r} {\reencodefont{OT2}{\fromafm{pmnr7k}}}
>>\installfont{pmnr7k}{pmnr7r,cyrillic}{OT2}{OT2}{pmnx}{m}{n}{}
> 
> 
> This looks wrong. If the \transformfont is generating the font with the
> target encoding OT2 then you should probably use \installrawfont rather
> than \installfont. But why does the source AFM has the same name (pmnr7k)
> as the generated font? And why does the in-between font has suffix 7r? I
> believe the cyrillic equivalent of 8r (TeXBase1) is 6r.
> 
> 
>>\endinstallfonts
>>\bye
>>
>>First there must be something wrong with definitions
>>\setint{xheight}{\height{cyrh}}
>>\setint{capheight}{\height{CYRA}}
>>\setint{ascender}{\height{cyrb}}
>>\setint{descender}{\depth{cyrr}}
>>in cyrillic.mtx because I always got error messages like
>>
>>(./cyrillic.mtx
>>! Missing number, treated as zero.
>><to be read again>
>>                  \bgroup
>>\sub #1#2->#1\bgroup \a_count =\result \eval_expr
>>                                                 {#2}\advance
>>\a_count -\re...
>>
>>\eval_expr #1->\global \result =#1
>>                                 \x_relax
>>\max ...1\bgroup \a_count =\result \eval_expr {#2}
>>                                                 \ifnum \a_count
>>
>>>\result \...
>>
>>\eval_expr #1->\global \result =#1
>>                                 \x_relax
>>\moveup #1->\eval_expr {#1}
>>                          \ifnum \result =0\else \advance
>>\glyph_voffset by...
>>
>>\topaccent ...sub {\height {#1}}{\int {xheight}}}}
>>                                                  \movert {\add {\sub
>>{\sca...
>>l.184 \setglyph{CYRYI}\topaccent{I}{dieresis}{500}
>>                                                 \endsetglyph
> 
> 
> The problem is the \topaccent command; I suspect some glyph it tries to
> build something from is missing.
> 
> Generally, the naming of cyrillic glyphs seems to be a mess (different
> fonts use different names, to a much greater degree than with latin fonts).
> The cyralias stuff---as I recall it---seeks to deal with this already at
> the AFM->MTX level, although it doesn't seem your code above makes any use
> of it.
> 
> Still speaking generally, and probably quite unrelated to the particular
> problem mentioned above, there is also a potential problem when glyphs are
> renamed and the font is subsequently reencoded, since the glyphs are only
> renamed in fontinst MTX files and not in the font program your printer will
> use. This is probably only a problem if you are using the map file fragment
> writer, but then it can make things messy indeed. The \alias command (added
> in fontinst v1.915) was added as a work-around for this, but I don't know
> if the cyralias stuff has been updated to take advantage of this.
> 
> 
>>Ok, a char table looks ok. But when typing typical russian sentences
>>-- and looking into the vpl -- it becomes obvious that all ligatures
>>are missing (like 'obp2ekt', 'tsarp1' etc.).
>>
>>Please could someone explain me (1) the general correct procedures and
>>(2) my concrete misunderstandings?
>>
>>Best regards,
>>Ulrich Dirr
>>
>>P.S. pmn.map:
>>pmnr7k MinionCyr-Regular "OT2AdobeEncoding" <ot2.enc <pmnr7k.pfb
> 
> 
> With a map file entry like that, you'll definitely want to use
> \installrawfont. I would furthermore use the native encoding (whichever it
> is) of MinionCyr-Regular rather than 7k in the font names of the PFB and
> the AFM, to avoid confusion.
> 
> Lars Hellström
> 
> 
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-- 

Best regards,
Ulrich Dirr