On 11/23/2013 8:25 PM, Renaud Aubin wrote:
Le 23/11/2013 19:08, Wolfgang Schuster a écrit :
Am 23.11.2013 um 18:51 schrieb Renaud Aubin <r...@renaud.io>:

Hi folks,

I'm working on a Roboto typescript and starting from the work done by
Zen Lima back in last July, I would like to push things further.
Since I work on some Android projects and use Google Keep mostly on a
daily basis, I was surprised to not find italics for the RobotoSlab
(either on the web or by extracting the assets of the Keep package).

Why am I surprised: Keep do have serif title placeholders for the new
note EditText and I see it everyday!

$ mtxrun --script font --list --all --pattern=robotoslab

robotoslab          robotoslabbold      RobotoSlab-Bold.ttf
robotoslabbold      robotoslabbold      RobotoSlab-Bold.ttf
robotoslablight     robotoslablight     RobotoSlab-Light.ttf
robotoslabregular   robotoslabregular   RobotoSlab-Regular.ttf
robotoslabthin      robotoslabthin      RobotoSlab-Thin.ttf

OK, RobotoSlab fonts are accessible and I have a working typescript to
use RobotoSlab with ConTeXt MkIV (I'll made the git repo public soon).
At first, my thoughts are: nevermind the Slab italics but now, I'm
curious since Inkscape, LibreOffice, … propose the italic and bolditalic
features of the RobotoSlab (check out the attached font-manager screenshot).
I've worked with different kind of fonts'family (more or less complete)
and used and modified many typescripts in my ConTeXter's life but there
I should be missing something obvious. Where are the RobotoSlab
Italics??? My experience is that italic and bolditalic should correspond
to files… First guess: no files so the RobotoSlab Italic and BoldItalic
features are just faked ones composed by my GNU/Linux Debian system. No,
I must be wrong here too…

Any thoughts on "The Quest of the Hidden Italics of the RobotoSlab fonts!“?

The font has no italic but inkscape slants the regular and bold styles to get 
them,
you can do the same in context with the slant key from \definefontfeature.

\definefontfeature[slanted][default][mode=base,slant=.25]

\definefontfamily[roboto][rm][Roboto 
Slab][it=features:slanted,bi=features:slanted]

\setupbodyfont[roboto]

\starttext
Regular {\it Italic} {\bf Bold} {\bi BoldItalic}
\stoptext

Wolfgang
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Thank you Wolfgang,

I've made a repo: https://github.com/nibua-r/roboto-context
Reviews are always welcome!

Any chance that this typescript could find a way to the main ConTeXt distro?

normally typescripts like that end up in tex/context/third (maybe at some point we can collect extra typescripts in one package)

a few suggestions:

\definefontfeature[slanted][default][mode=base,slant=.25]

best define "roboto-slanted" as you don't want to overload other definitions of slanted and this is rather font specific .. and are you sure you want base mode here?

\definefontfeature[roboto-slanted][slant=.25]

\definefontsynonym [\s!SerifItalic] [\s!Serif] [\s!features={default,roboto-slanted}]

should also work and delays default

also, name type typescript type-imp-roboto.tex (or .mkiv)

Hans

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