- From: Pierre-Anthony Lemieux <pal@sandflow.com>
- Date: Thu, 7 Jul 2016 10:21:52 -0700
- To: Glenn Adams <glenn@skynav.com>
- Cc: "public-tt@w3.org" <public-tt@w3.org>
Thanks. -- Pierre On Thu, Jul 7, 2016 at 10:18 AM, Glenn Adams <glenn@skynav.com> wrote: > TTML1 defers to XSL-FO which defers to CSS2 the semantics of font mapping. > This is done implicitly in [1] via: > > The semantics of the style property represented by this attribute are based > upon that defined by [XSL 1.1], ยง 7.9.2. > > [1] https://www.w3.org/TR/ttaf1-dfxp/#style-attribute-fontFamily > > TTML2 has a placeholder to document this process more explicitly [2]. See > the second editorial note: Font Selection. > > [2] > http://w3c.github.io/ttml2/spec/ttml2.html#style-attribute-fontSelectionStrategy > > > > On Thu, Jul 7, 2016 at 11:11 AM, Pierre-Anthony Lemieux <pal@sandflow.com> > wrote: >> >> Hi Glenn, >> >> > order definitely matters >> >> Ok. Makes sense to me. I could not find a clear statement to that >> effect in TTML1. Do you see one? If not, perhaps add one in the next >> errata and updated TTML2 accordingly? >> >> Best, >> >> -- Pierre >> >> On Thu, Jul 7, 2016 at 10:08 AM, Glenn Adams <glenn@skynav.com> wrote: >> > >> > >> > On Thu, Jul 7, 2016 at 10:53 AM, Pierre-Anthony Lemieux >> > <pal@sandflow.com> >> > wrote: >> >> >> >> Hi all, >> >> >> >> (Hopefully) quick questions: (i) is the ordering of values in >> >> tts:fontFamily significant and (ii) does familyName take precedence >> >> over genericFamilyName? >> > >> > >> > order definitely matters >> > >> >> >> >> >> >> For instance, are the following two declarations equivalent? >> >> >> >> tts:fontFamily="proportionalSansSerif,Arial" >> >> tts:fontFamily="Arial,proportionalSansSerif" >> > >> > >> > it depends; if proportionalSansSerif maps to Arial (on some >> > implementation) >> > then they would be equivalent (on that implementation) >> > >> >> >> >> >> >> ... and what is the expected outcome of the following? >> >> >> >> tts:fontFamily="proportionalSansSerif,proportionalSerif" >> > >> > >> > if proportionalSansSerif maps to F1 and proportionalSerif maps to F2, >> > and if >> > the character maps (cmap tables) of both F1 and F2 define mappings for >> > the >> > same set of characters, then the above would be equivalent to: >> > >> > tts:fontFamily="proportionalSansSerif" or >> > tts:fontFamily="F1" >> > >> >> >> >> >> >> Thanks, >> >> >> >> -- Pierre >> >> >> > > >
Received on Thursday, 7 July 2016 17:22:40 UTC