Re: Simplefonts

[Wolfgang Schuster <schuster.wolfgang@gmail.com>]

Am 12.10.2013 um 19:39 schrieb Wolfgang Schuster <schuster.wolfgang@gmail.com>:

> The module provides keys to apply a certain font and feature for each alternative (upright, italic etc.)
> of a font, a complete list with all keys is shown in the table below.
> 
> -------------------------------------------------------
> | Alternative | Font            | Feature             |
> |-----------------------------------------------------|
> | tf          | regularfont     | regularfeatures     |
> | it          | italicfont      | italicfeatures      |
> | sl          | slantedfont     | slantedfeatures     |
> | bf          | boldfont        | boldfeatures        |
> | bi          | bolditalicfont  | bolditalicfeatures  |
> | bs          | boldslantedfont | boldslantedfeatures |
> | sc          | smallcapsfont   | smallcapsfeatures   |
> -------------------------------------------------------
> 
> The feature-keys expect the name from the \definefontfeature command, when you don’t
> specify a feature to a certain alternative the value from the “features” key is used.
> 
> When you want to set a certain font for a alternative there are different ways, I’m going
> to show the different ways with a few examples where I change the font for italic.
> 
> 1. Use the filename of a font. With the “file:” prefix you can the tell the module
> to look for a file with the given name, when the file isn’t found the font from
> the tf-alternative is used. The file-method is also used when you omit the prefix.
> 
> \setupfontfamily [serif] [DejaVu Serif] [italicfont=file:dejavuserifbold]
> 
> \starttext
> Regular and \it Italic
> \stoptext
> 
> 2. Use a certain style. When you use the “style: ”prefix the module looks for a certain
> style of the requested font.
> 
> \setupfontfamily [serif] [DejaVu Serif] [italicfont=style:bolditalic]
> 
> \starttext
> Regular and \it Italic
> \stoptext
> 
> 3. Search for a font with a certain name. When you use the “name:” prefix the module
> looks for a font with the requested name. Names are internal values of a font which
> is sometimes the same as the filename.
> 
> \setupfontfamily [serif] [DejaVu Serif] [italicfont=name:dejavuserifbold]
> 
> \starttext
> Regular and \it Italic
> \stoptext
> 
> 4. Use the spec information. When you use the “spec:” prefix you can request a font
> with a certain “weight” (bold or normal), “style” (italic or normal) and variant (smallcaps or normal).
> 
> \setupfontfamily [serif] [DejaVu Serif] [italicfont=spec:bold-italic]
> 
> \starttext
> Regular and \it Italic
> \stoptext
> 
> 
> There is a possibility that I change the way to set font and features for alternatives
> in the feature to a way which is more compact and easier to parse in Lua.

I changed the way to set fonts and features for certain alternatives (the existing keys
mentioned above will remain for a while) in the last beta and you can now set both
values in a single setup.

Below is a example where I changed the font and features for italic:

\definefontfamily [mainface] [serif] [TeX Gyre Pagella] [it={style:bolditalic,features:smallcaps}]

\setupbodyfont[mainface]

\starttext
Upright \it Italic \bf Bold \bi BoldItalic
\stoptext


The name for the keys are “tf”, “it”, “sl”, “bf”, “bi”, “bs” and “sc”. The values for the keys
can be a font change with the methods mentioned above where the method and argument
are separated by a colon. When you want to apply a feature use the “features” method.

Wolfgang

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