Re: Embedded fonts + generic font families

+1

On Sun, Jan 27, 2019 at 9:26 AM Pierre-Anthony Lemieux <pal@sandflow.com>
wrote:

> Hi all,
>
> Unless someone can identify, by the end of the week, a use case not
> covered by (a) and requiring (b), I suggest clarifying that (b) is not
> supported.
>
> Best,
>
> -- Pierre
>
> On Fri, Jan 25, 2019 at 10:37 AM Glenn Adams <glenn@skynav.com> wrote:
>
>> Correct.
>>
>> On Fri, Jan 25, 2019 at 3:23 AM Pierre-Anthony Lemieux <pal@sandflow.com>
>> wrote:
>>
>>> > But I'm willing to consider use cases for allowing it. I just can
>>> think of a good one. If you are going to provide a font resource you can
>>> give
>>> > it any family name, so what is the need to override a generic family
>>> name?
>>>
>>> Say the author wishes to both specify a generic font family
>>> (proportionalSansSerif) and include the actual font file used at authoring
>>> (Arial).
>>>
>>> (a) the author can specify tts:fontFamily="Arial,default" and embed Arial
>>> (b) the author can specify tts:fontFamily="default" and embed Arial such
>>> that it aliases to 'default'
>>>
>>> (a) is supported today, and (b) is ambiguous today and the the proposal
>>> is to forbid it. Did I get this right?
>>>
>>> Best,
>>>
>>> -- Pierre
>>>
>>> On Thu, Jan 24, 2019 at 6:51 AM Glenn Adams <glenn@skynav.com> wrote:
>>>
>>>> Correct. That is my assumption. But I'm willing to consider use cases
>>>> for allowing it. I just can think of a good one. If you are going to
>>>> provide a font resource you can give it any family name, so what is the
>>>> need to override a generic family name?
>>>>
>>>> On Thu, Jan 24, 2019 at 7:31 AM Pierre-Anthony Lemieux <
>>>> pal@sandflow.com> wrote:
>>>>
>>>>> Hi Glenn,
>>>>>
>>>>> Your conclusion is that tts:fontFamily="proportionalSerif" is always
>>>>> implementation-dependent and cannot be overridden by the author?
>>>>>
>>>>> Best,
>>>>>
>>>>> -- Pierre
>>>>>
>>>>> On Thu, Jan 24, 2019 at 2:27 PM Glenn Adams <glenn@skynav.com> wrote:
>>>>>
>>>>>> I have (since around October) had the following note on my TODO list
>>>>>> for filing issues against TTML2:
>>>>>>
>>>>>> + [SUBSTANTIVE] do not allow @family on font element to be
>>>>>>
>>>>>>  a <generic-family-name> (either unquoted or quoted);
>>>>>>
>>>>>> On Thu, Jan 24, 2019 at 2:08 AM Pierre-Anthony Lemieux <
>>>>>> pal@sandflow.com> wrote:
>>>>>>
>>>>>>> Good morning/evening,
>>>>>>>
>>>>>>> Say the following is present in a TTML2 document:
>>>>>>>
>>>>>>>   <resources>
>>>>>>>     <font family="default" range="u+20-7f,u+90-9f">
>>>>>>>       <source src="http://example.com/fonts/default.otf"
>>>>>>> type="font/otf"/>
>>>>>>>     </font>
>>>>>>>   </resources>
>>>>>>>
>>>>>>> In the following snippet, is a presentation processor expected to
>>>>>>> use the embedded font, or is the font selection sill left to the
>>>>>>> implementation?
>>>>>>>
>>>>>>> <p tts:fontFamily="default">font above or application-selected?</p>
>>>>>>>
>>>>>>> Best,
>>>>>>>
>>>>>>> -- Pierre
>>>>>>>
>>>>>>