XeTeX and precise font sizes

XeTeX and precise font sizes

[Neiaglov Dmitry]

Hello there!

I was googling around, but couldn't really figure out how to use  
OpenType fonts with ConTeXt and XeTeX with precise sizes in points. I  
am trying to create a subsection style with Gentium 24pt.

I am creating a typeface like it's recommended in the documentation:

\definetypeface			[Gentium][rm][Xserif][Gentium]

Then I create my own subsection style:

\setuphead				[subsection]
						[alternative=inmargin,
						numbercolor=orange,
						style=\Gentium]

So far so good, but it actually types the subsection out with some pre- 
determined font size.

What I'm trying to do is get my subsections at the size of, say,  
precisely 24 pt.

Stuff like

\definetypeface			[Gentium][rm][Xserif][Gentium]
\definefont				[Subs][Gentium at 24pt]

apparently invokes non-XeTeX font routines (pardon my ignorance):

kpathsea: Running mktextfm subsections
mktextfm: Running mf-nowin -progname=mf \mode:=ljfour; mag:=1;  
nonstopmode; input subsections
This is METAFONT, Version 2.71828 (Web2C 7.5.6)
kpathsea: Running mktexmf subsections
! I can't find file `subsections'.

The best I was able to get was adding rscale

\definetypeface			[Gentium][rm][Xserif][Gentium][rscale=1.4]

which is bad for two reasons: first, it's not logically correct, since  
I am planning to use my typeface for different sizes throughout the  
document, and second, I really want to control my sizes in points.

Thanks in advance,
Dima
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Re: XeTeX and precise font sizes

[Diego Depaoli]

2008/7/10 Neiaglov Dmitry <dima@getalime.ru>:
> Hello there!
>
> I was googling around,
you mis-googled :-)
http://www.google.com/cse?q=gentium&cx=016640200293943433883:w-6slqs1kjg&cof=FORID:0&sa=Special+Search

> OpenType fonts with ConTeXt and XeTeX with precise sizes in points. I
> am trying to create a subsection style with Gentium 24pt.

following code should be work.

\starttypescript[serif][gentium-basic]
\definefontsynonym[Serif]          [GentiumBasic]
\definefontsynonym[SerifItalic]    [GentiumBasicItalic]
\definefontsynonym[SerifBold]      [GentiumBasicBold]
\definefontsynonym[SerifBoldItalic][GentiumBasicBoldItalic]
\stoptypescript

\starttypescript[serif][gentium-basic]
\definefontsynonym[GentiumBasic]          [file:GenBasR] [features=default]
\definefontsynonym[GentiumBasicItalic]    [file:GenBasI] [features=default]
\definefontsynonym[GentiumBasicBold]      [file:GenBasB] [features=default]
\definefontsynonym[GentiumBasicBoldItalic][file:GenBasBI][features=default]
\stoptypescript

\starttypescript[gentium-basic]
\definetypeface[gentium][rm][serif][gentium-basic][default]
\stoptypescript
\usetypescript[gentium-basic]
\setupcolors[state=start]
\def\subsectfont{\setupbodyfont[gentium,24pt]}
\setuphead                              [subsection]
                                               [alternative=inmargin,
                                               numbercolor=orange,
                                               style=\subsectfont]

\starttext

\section {a section}
\subsection {a subsection}
\input knuth

\stoptext

Cheers

-- 
Diego Depaoli
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Re: XeTeX and precise font sizes

[Wolfgang Schuster]

On Thu, Jul 10, 2008 at 1:02 AM, Diego Depaoli <trebestie@gmail.com> wrote:
> 2008/7/10 Neiaglov Dmitry <dima@getalime.ru>:
>> Hello there!
>>
>> I was googling around,
> you mis-googled :-)
> http://www.google.com/cse?q=gentium&cx=016640200293943433883:w-6slqs1kjg&cof=FORID:0&sa=Special+Search
>
>> OpenType fonts with ConTeXt and XeTeX with precise sizes in points. I
>> am trying to create a subsection style with Gentium 24pt.
>
> following code should be work.
>
> \starttypescript[serif][gentium-basic]
> \definefontsynonym[Serif]          [GentiumBasic]
> \definefontsynonym[SerifItalic]    [GentiumBasicItalic]
> \definefontsynonym[SerifBold]      [GentiumBasicBold]
> \definefontsynonym[SerifBoldItalic][GentiumBasicBoldItalic]
> \stoptypescript
>
> \starttypescript[serif][gentium-basic]
> \definefontsynonym[GentiumBasic]          [file:GenBasR] [features=default]
> \definefontsynonym[GentiumBasicItalic]    [file:GenBasI] [features=default]
> \definefontsynonym[GentiumBasicBold]      [file:GenBasB] [features=default]
> \definefontsynonym[GentiumBasicBoldItalic][file:GenBasBI][features=default]
> \stoptypescript
>
> \starttypescript[gentium-basic]
> \definetypeface[gentium][rm][serif][gentium-basic][default]
> \stoptypescript
> \usetypescript[gentium-basic]

\setupbodyfont[gentium]

> \setupcolors[state=start]
> \def\subsectfont{\setupbodyfont[gentium,24pt]}
> \setuphead                              [subsection]
>                                               [alternative=inmargin,
>                                               numbercolor=orange,
>                                               style=\subsectfont]
>

\definefont[subsectfont][Serif at 24pt] % Gentium as bodyfont

or

\definefont[subsectfont][GentiumBasic at 24pt] % Gentium is not the bodyfont

and

\setuphead
  [subsection]
  [alternative=inmargin,
   numbercolor=orange,
   style=subsectfont]

> \starttext
>
> \section {a section}
> \subsection {a subsection}
> \input knuth
>
> \stoptext
>
> Cheers
>
> --
> Diego Depaoli

Wolfgang
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___________________________________________________________________________________

Re: XeTeX and precise font sizes

[Neiaglov Dmitry]

>> you mis-googled :-)
> http://www.google.com/cse?q=gentium&cx=016640200293943433883:w-6slqs1kjg&cof=FORID:0&sa=Special+Search

I really couldn't think that problem was font-dependent :)

> following code should be work.
>
> \starttypescript[serif][gentium-basic]
> \definefontsynonym[Serif]          [GentiumBasic]
> \definefontsynonym[SerifItalic]    [GentiumBasicItalic]
> \definefontsynonym[SerifBold]      [GentiumBasicBold]
> \definefontsynonym[SerifBoldItalic][GentiumBasicBoldItalic]
> \stoptypescript
>
> ...
>
> \stoptext


Yes, thanks, works fine, but does it really use XeTeX? The wiki says:  
"XeTeX offers some nice features in terms of automatically finding  
related fonts in a family" which would be really convenient to use. I  
really can't find docs on the difference between XeTeX and non-XeTeX  
font handling in ConTeXt.
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___________________________________________________________________________________

Re: XeTeX and precise font sizes

[Hans Hagen]

Neiaglov Dmitry wrote:
>>> you mis-googled :-)
>> http://www.google.com/cse?q=gentium&cx=016640200293943433883:w-6slqs1kjg&cof=FORID:0&sa=Special+Search
> 
> I really couldn't think that problem was font-dependent :)
> 
>> following code should be work.
>>
>> \starttypescript[serif][gentium-basic]
>> \definefontsynonym[Serif]          [GentiumBasic]
>> \definefontsynonym[SerifItalic]    [GentiumBasicItalic]
>> \definefontsynonym[SerifBold]      [GentiumBasicBold]
>> \definefontsynonym[SerifBoldItalic][GentiumBasicBoldItalic]
>> \stoptypescript
>>
>> ...
>>
>> \stoptext
> 
> 
> Yes, thanks, works fine, but does it really use XeTeX? The wiki says:  
> "XeTeX offers some nice features in terms of automatically finding  
> related fonts in a family" which would be really convenient to use. I  
> really can't find docs on the difference between XeTeX and non-XeTeX  
> font handling in ConTeXt.

there is (and will be) no support for 'related fonts'

Hans


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                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
      tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                              | www.pragma-pod.nl
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___________________________________________________________________________________

Re: XeTeX and precise font sizes

[Diego Depaoli]

2008/7/10 Neiaglov Dmitry <dima@getalime.ru>:
>>> you mis-googled :-)
>> http://www.google.com/cse?q=gentium&cx=016640200293943433883:w-6slqs1kjg&cof=FORID:0&sa=Special+Search
>
> I really couldn't think that problem was font-dependent :)
Indeed... I pointed you to the very helpful 'special search' box in
the wiki's homepage.

> Yes, thanks, works fine, but does it really use XeTeX? The wiki says:
> "XeTeX offers some nice features in terms of automatically finding
> related fonts in a family" which would be really convenient to use. I
> really can't find docs on the difference between XeTeX and non-XeTeX
> font handling in ConTeXt.
Sorry, I don't know the answer (I'm a very beginner), but the given
example works (for me) only in xetex.

-- 
Diego Depaoli
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___________________________________________________________________________________

Re: XeTeX and precise font sizes

[Mojca Miklavec]

On Thu, Jul 10, 2008 at 8:50 AM, Neiaglov Dmitry <dima@getalime.ru> wrote:
>>> you mis-googled :-)
>> http://www.google.com/cse?q=gentium&cx=016640200293943433883:w-6slqs1kjg&cof=FORID:0&sa=Special+Search
>
> I really couldn't think that problem was font-dependent :)
>
>> following code should be work.
>>
>> \starttypescript[serif][gentium-basic]
>> \definefontsynonym[Serif]          [GentiumBasic]
>> \definefontsynonym[SerifItalic]    [GentiumBasicItalic]
>> \definefontsynonym[SerifBold]      [GentiumBasicBold]
>> \definefontsynonym[SerifBoldItalic][GentiumBasicBoldItalic]
>> \stoptypescript
>>
>> ...
>>
>> \stoptext
>
>
> Yes, thanks, works fine, but does it really use XeTeX? The wiki says:
> "XeTeX offers some nice features in terms of automatically finding
> related fonts in a family" which would be really convenient to use. I
> really can't find docs on the difference between XeTeX and non-XeTeX
> font handling in ConTeXt.

Font tutorial is missing.

Here you have some examples, but they are outdated:
     http://wiki.contextgarden.net/Fonts_in_XeTeX

One feature that only works with XeTeX is this one (copied from wiki):

\definetypeface[Serapion][rm][Xserif][Serapion Pro]
\setupbodyfont[Serapion, 12pt]

this could also be:

% no idea about proper name of that font; try to run "fc-list Gentium"
\definetypeface[gentium-basic][rm][Xserif][Gentium Basic]
\setupbodyfont[gentium-basic, 12pt]

This will automatically assign bold, italic & bold italic. This
doesn't work with LuaTeX (not because it cannot work, but because it
has not been implemented).

The procedure that works with both LuaTeX & XeTeX & basically does
(almost) the same:

\starttypescript[serif][gentium-basic]
\definefontsynonym[Serif]          [GentiumBasic]
\definefontsynonym[SerifItalic]    [GentiumBasicItalic]
\definefontsynonym[SerifBold]      [GentiumBasicBold]
\definefontsynonym[SerifBoldItalic][GentiumBasicBoldItalic]
\stoptypescript

\starttypescript[serif][gentium-basic]
\definefontsynonym[GentiumBasic]          [file:GenBasR] [features=default]
\definefontsynonym[GentiumBasicItalic]    [file:GenBasI] [features=default]
\definefontsynonym[GentiumBasicBold]      [file:GenBasB] [features=default]
\definefontsynonym[GentiumBasicBoldItalic][file:GenBasBI][features=default]
\stoptypescript

\starttypescript[gentium-basic]
\definetypeface[gentium][rm][serif][gentium-basic][default]
\stoptypescript

The only difference is that Xsans uses the installed font (needs to be
available to other applications as well; alternative is to call
"name:" in all the definitions above), while "file:" will use the font
file from somewhere in texmf tree (kpathsea needs to see it).

Mojca
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Re: XeTeX and precise font sizes

[Neiaglov Dmitry]

>
>
> \starttypescript[serif][gentium-basic]
> \definefontsynonym[Serif]          [GentiumBasic]
> \definefontsynonym[SerifItalic]    [GentiumBasicItalic]
> \definefontsynonym[SerifBold]      [GentiumBasicBold]
> \definefontsynonym[SerifBoldItalic][GentiumBasicBoldItalic]
> \stoptypescript


Cool, that clarifies a lot for me, thanks :) So \startypescript uses  
xetex after all!

The most compact construction I got working was the following:

\definetypeface			[LiberationSans][ss][Xsans][Liberation Sans][default] 
[encoding=uc]
...
\def\subsect{\setupbodyfont[LiberationSans, 18pt]}
...
\setuphead				[subsection]
						...
						style=\subsect]

Unfortunately, ConTeXt tends to compile this document three times  
before giving me the PDF. (Makes you wonder!)

And anyway, what is the difference between typescripts and typefaces  
in ConTeXt terms? The only thing I found in docs was that \definefont  
works in the context of the current construction.

Best regards,
Dima
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Re: XeTeX and precise font sizes

[Hans Hagen]

Neiaglov Dmitry wrote:
>>
>> \starttypescript[serif][gentium-basic]
>> \definefontsynonym[Serif]          [GentiumBasic]
>> \definefontsynonym[SerifItalic]    [GentiumBasicItalic]
>> \definefontsynonym[SerifBold]      [GentiumBasicBold]
>> \definefontsynonym[SerifBoldItalic][GentiumBasicBoldItalic]
>> \stoptypescript
> 
> 
> Cool, that clarifies a lot for me, thanks :) So \startypescript uses  
> xetex after all!

it's more the reverse ... typescripts are the interface and deep down it 
is translated to the right commands for pdftex, zetex or luatex

> Unfortunately, ConTeXt tends to compile this document three times  
> before giving me the PDF. (Makes you wonder!)

normally there ar etwo runs (depends on how many changes in the 
documents); any macro package that uses multi pass data will do several 
runs to be sure that the cross refs and lists are ok (also, some pdf 
constructs use forward references that need to be resolved)

> And anyway, what is the difference between typescripts and typefaces  
> in ConTeXt terms? The only thing I found in docs was that \definefont  
> works in the context of the current construction.

typescripts are just definitions and invoking a one of them (which 
itself may invoke another) will define a typeface which itself 
eventually results in a bunch of font definitions

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                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
      tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                              | www.pragma-pod.nl
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