- From: Pierre-Anthony Lemieux <pal@sandflow.com>
- Date: Wed, 4 Sep 2019 08:27:34 -0700
- To: TTWG <public-tt@w3.org>
FYI. As a data point, D-Cinema has the following constraints: one font resource that is no larger than 10 MB. Best, -- Pierre On Sun, Sep 1, 2019 at 1:30 PM Pierre-Anthony Lemieux <pal@sandflow.com> wrote: > > Good morning/evening, > > Issue #472 [1] suggests adding support for font resource to IMSC. > > IMSC implicitly specifies size limits for image resources through its HRM [2]. > > The primary question in my mind is: are there any reason not to > specify similar limits on font resources? > > If not, then some follow-up questions: > > - what are reasonable limits? > - Should the limits be expressed in bytes and/or number of glyphs? > - does a font/otf resource need to be processed/downloaded in its > entirety if only a subset of glyps are used? > > I recommend reaching out to other groups for their input, either now > or explicitly after FPWD. > > Looking forward to your feedback. > > Best, > > [1] https://www.w3.org/TR/ttml-imsc1.1/#hypothetical-render-model > [2] https://github.com/w3c/imsc/issues/472
Received on Wednesday, 4 September 2019 15:28:13 UTC