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Re: [TTML2] tts:{width,height} rename

From: Pierre-Anthony Lemieux <pal@sandflow.com>
Date: Tue, 27 Jan 2015 07:58:48 -0800
Message-ID: <CAF_7JxDUn8fGXj4s0OP=JXd7SmM8hHPNnW4jGtZTTNdqQ1JweQ@mail.gmail.com>
To: David Singer <singer@apple.com>
Cc: Nigel Megitt <nigel.megitt@bbc.co.uk>, John Birch <John.Birch@screensystems.tv>, TTWG <public-tt@w3.org>
What does this parameter control?

Best,

-- Pierre

On Tue, Jan 27, 2015 at 7:36 AM, David Singer <singer@apple.com> wrote:
>
>> On Jan 27, 2015, at 16:30 , Nigel Megitt <nigel.megitt@bbc.co.uk> wrote:
>>
>> Maybe inlineLength and blockLength to avoid the width/height confusion?
>
> I was about to suggest inlineLength and stackingLength, like you to avoid terms like ‘height’…
>
>>
>> Nigel
>>
>>
>> On 27/01/2015 15:27, "John Birch" <John.Birch@screensystems.tv> wrote:
>>
>>> +1 on the yikes.... !
>>>
>>> I understand the intent to reduce confusion, but like David I'm not
>>> convinced this helps...
>>> ( **If** I was to make a proposal it would be more along the lines of
>>> inlineWidth and blockHeight ).
>>>
>>> Best,
>>> John
>>>
>>> John Birch | Strategic Partnerships Manager | Screen
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>>>
>>> P Before printing, think about the environment-----Original Message-----
>>> From: David Singer [mailto:singer@apple.com]
>>> Sent: 27 January 2015 14:37
>>> To: TTWG
>>> Subject: Re: [TTML2] tts:{width,height} rename
>>>
>>> yikes
>>>
>>> it’s nice if the terms are readable.  Linewidth and Lineheight have some
>>> … recognition, albeit mostly in writing systems that use horizontal lines
>>> assembled into vertical blocks.
>>>
>>> ipd and bpd are directions, not measurements, aren’t they? and they don’t
>>> exactly roll off the tongue or leap to mind in terms of recognizability
>>>
>>>> On Jan 26, 2015, at 1:01 , Glenn Adams <glenn@skynav.com> wrote:
>>>>
>>>> The use of width and height as writing mode relative properties is
>>>> confusing. Change their names to ipd and bpd, abbreviations for inline
>>>> progression dimension and block progression dimension, respectively, and
>>>> document convention that width and height (as well as horizontal and
>>>> vertical) are always absolute and not writing mode relative. The only
>>>> exception being that 'height' in lineHeight remains writing mode
>>>> relative, i.e., specifies the nominal bpd of a line area.
>>>>
>>>> Change image to use tts:extent instead of the former tts:{width,height}
>>>> in order to use absolute axes in expressing explicit image dimensions.
>>>>
>>>> Addressed above comments in [1].
>>>>
>>>> [1] https://dvcs.w3.org/hg/ttml/rev/69877acd9380
>>>
>>> David Singer
>>> Manager, Software Standards, Apple Inc.
>>>
>>>
>>>
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>>
>
> David Singer
> Manager, Software Standards, Apple Inc.
>
>
Received on Tuesday, 27 January 2015 15:59:39 UTC

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