Re: fonts (in luatex) (again)

[Andrea Valle <valle@di.unito.it>]

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Thanks Charles

A praise from the heart to the devs.
Wouldn't be possibile to support font selection like in XeTeX?
This would make thing really a lot easier for sublunar users like me.

Really, the whole process it's damn' complicated: no one a part 2 or  
3 seems to know the details :)

Best

-a-


On 28 Jun 2008, at 19:55, Charles P. Schaum wrote:

> This first bit differentiates a "backend" that refers to your font  
> and a
> "frontend" that you normally work with. Why?
>
> Macros, macros, macros. Let's put it this way: You could have a myriad
> of styles. That's what many in the WYSIWYG world do. Then ... they  
> have
> to keep track of them all.
>
> But TeX, as a Turing-complete programming language that could
> theoretically be used for lots of things, has the design of local
> redefinition, so that "sans" within a group or a macro can be  
> redefined
> to something other than delicious without you needing to worry about
> keeping track of global style changes.
>
> In short, like the Unix "small is beautiful" philosophy (and good
> programming) you make parts of your document that work, you put the
> working parts together, and the whole thing should have a good shot at
> working. It will also be remarkably consistent and behave in a manner
> that is more regular than, for example, Word's typesetting engine.
>
> And if you are working on a source for different outputs or even
> different possibilities of publication, you can switch out a font
> without having to muck about through every font reference in your
> document, saving hours of labor.
>>
>> \starttypescript [sans] [delicious]
>> \setups[font:fallback:sans]
>> \definefontsynonym [Sans] [Delicious-Regular]
>> \definefontsynonym [SansItalic] [Delicious-Italic]
>> \definefontsynonym [SansBold] [Delicious-Bold]
>> \definefontsynonym [SansBoldItalic] [Delicious-BoldItalic]
>> \definefontsynonym [SansCaps] [Delicious-Caps]
>> \stoptypescript
>>
>
> As I understand, this next bit maps the "expectations" of the
> typesetting engine to the capabilities of the font. For example, when
> working with InDesign/InCopy and importing things from Word, there's a
> difference between character style mappings and local overrides.
>
> Word processors usually employ local overrides. That means usually the
> typesetting engine picks from the alternative of a font face for bold,
> italic, and so on, or it takes the default face and changes its
> rasterization to create a faux bold, italic, and so on. In good
> typesetting, however, you actually link character styles with actual
> fonts, just like you would when hand-compositing blocks of type in a
> typecase with lots of clamps and so on.
>
> This bit looks like what character styles do in InDesign. The more  
> I get
> into InDesign and work with my designers, the more I understand the
> basic typographical principles that make TeX and ConTeXt elegant.
>>
>> \starttypescript [sans] [delicious]
>> \definefontsynonym [Delicious-Regular] [name:Delicious-Roman]
>> [features=default]
>> \definefontsynonym [Delicious-Italic] [name:Delicious-Italic]
>> [features=default]
>> \definefontsynonym [Delicious-Bold] [name:Delicious-Bold]
>> [features=default]
>> \definefontsynonym [Delicious-BoldItalic]
>> [name:Delicious-BoldItalic] [features=default]
>> \definefontsynonym [Delicious-Caps] [name:Delicious-SmallCaps]
>> [features=default]
>> \stoptypescript
>>
>>
>
> The following is not in the Ubuntu-distributed manual, so I am not  
> sure
> about it.
>
>> \starttypescript [delicious]
>> \definetypeface [delicious] [ss] [sans] [delicious] [default]
>> \stoptypescript
>>
>
>
>
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--------------------------------------------------
Andrea Valle
--------------------------------------------------
CIRMA - DAMS
Università degli Studi di Torino
--> http://www.cirma.unito.it/andrea/
--> http://www.myspace.com/andreavalle
--> andrea.valle@unito.it
--------------------------------------------------


"
Think of it as seasoning
. noise [salt] is boring
. F(blah) [food without salt] can be boring
. F(noise, blah) can be really tasty
"
(Ken Perlin on noise)






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If your question is of interest to others as well, please add an entry to the Wiki!

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