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Re: ISSUE-189: do regions scroll their flowed content? [DFXP 1.0]

From: Glenn Adams <glenn@skynav.com>
Date: Thu, 11 Oct 2012 09:12:06 +0800
Message-ID: <CACQ=j+e+_AKzDLiU66AC8NBu36Lz2EGxpVeNXOyf+HMQwYymGg@mail.gmail.com>
To: Michael Dolan <mdolan@newtbt.com>
Cc: Timed Text Working Group <public-tt@w3.org>
inline

On Thu, Oct 11, 2012 at 2:26 AM, Michael Dolan <mdolan@newtbt.com> wrote:

> Picking this back up to address Action 109:****
>
> http://www.w3.org/AudioVideo/TT/tracker/actions/109 ****
>
> ** **
>
> How does this look for a complete example?****
>
> ** **
>
> <?xml version="1.0" encoding="UTF-8"?>****
>
> <tt xml:lang="en" ****
>
>                 xmlns="http://www.w3.org/ns/ttml" ****
>
>                 xmlns:tts="http://www.w3.org/ns/ttml#styling" ****
>
>                 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ****
>
>                 xsi:schemaLocation=" http://www.w3.org/ns/ttmlttaf1-dfxp.xsd">
> ****
>
>                 <head>****
>
>                                 <layout>****
>
>                                                 <region xml:id="rollup"
> tts:extent="20c 2c" tts:displayAlign="after"/>****
>
>                                 </layout>****
>
>                 </head>****
>
>                 <body>****
>
>                                 <div region="rollup" tts:color="white" >**
> **
>
>                                                 <p begin="1s"
> dur="2s">first line</p>****
>
>                                                 <p begin="2s"
> dur="2s">second line</p>****
>
>                                                 <p begin="3s"
> dur="2s">third line</p>****
>
>                                 </div>****
>
>                 </body>****
>
> </tt>****
>
> ** **
>
> I think the above will result in the following displays of white text on a
> black background region in the upper left of the root container:****
>
> ** **
>
> 0-1 sec****
>
> <blank>****
>
> <blank>****
>
> 1-2 sec****
>
>                 first line****
>
>                 <blank>
>

due to the displayAlign="after", the above will really be

<blank>
first line


> ****
>
> 2-3 sec****
>
>                 first line****
>
>                 second line****
>
> 3-4 sec****
>
>                 second line****
>
>                 third line****
>
> 4-5 sec****
>
>                 third line****
>
>                 <blank>
>

ditto the above comment, so this should be

<blank>
third line


> ****
>
> 5… sec****
>
>                 <blank>****
>
>                 <blank>****
>
> ** **
>
> Comments?****
>
> ** **
>
> Regards,****
>
> ** **
>
>                 Mike****
>
> ** **
>
> *From:* Sean Hayes [mailto:Sean.Hayes@microsoft.com]
> *Sent:* Saturday, September 29, 2012 2:13 AM
> *To:* Glenn Adams; Michael A Dolan
>
> *Cc:* Timed Text Working Group
> *Subject:* RE: ISSUE-189: do regions scroll their flowed content? [DFXP
> 1.0]****
>
> ** **
>
> You would want to set the region to tts:displayAlign=’after’ so that the
> later added lines have the effect of pushing the earlier lines out of the
> top. The br****
>
> S are un-necessary here as we have an implied line break because of the p.
> One could do the same thing with spans and br.****
>
> ** **
>
> Then to do a multiple scrolled region:****
>
> <.div region=’afterformattedregion’>****
>
> <p begin=”1s” dur=”3s”>first line</p>****
>
> <p begin=”2s” dur=”3s”>second line</p>****
>
> <p begin=”3s” dur=”3s”>third line</p>****
>
> <./div>****
>
>  ****
>
> ** **
>
> ** **
>
> *From:* Glenn Adams [mailto:glenn@skynav.com]
> *Sent:* 29 September 2012 01:17
> *To:* Michael A Dolan
> *Cc:* Timed Text Working Group
> *Subject:* Re: ISSUE-189: do regions scroll their flowed content? [DFXP
> 1.0]****
>
> ** **
>
> ** **
>
> On Fri, Sep 28, 2012 at 11:42 PM, Michael A Dolan <mdolan@newtbt.com>
> wrote:****
>
> By way of example so we’re clear on the timed flow, the following TTML
> into a 2-line-height region:****
>
>  ****
>
> <p begin=”1s” end=”3s”>first line</p>****
>
> <p begin=”2s” end=”4s”><br>second line</p>****
>
> <p begin=”3s”><br>third line</p>****
>
>  ****
>
> Would result in the following text over the time periods shown:****
>
>  ****
>
> 1s-2s:****
>
> first line****
>
> <blank line>****
>
>  ****
>
> 2s-3s:****
>
> first line****
>
> second line****
>
> ** **
>
> no; the <br/> would result in the second <p> would produce****
>
> ** **
>
> first line****
>
> blank line (from <br/>)****
>
> second line****
>
> ** **
>
> so visually you would have****
>
> ** **
>
> first line****
>
> blank line****
>
> ** **
>
>  ****
>
> 3s-4s:****
>
> second line****
>
> third line****
>
> ** **
>
> no, the <br/> would produce a blank line before second line, so visually
> you would have****
>
> ** **
>
> blank line****
>
> second line****
>
> [not visible blank line]****
>
> [not visible third line]****
>
> ** **
>
> etc****
>
> ** **
>
> why you are inserting <br/>?****
>
> ** **
>
> ** **
>
Received on Thursday, 11 October 2012 01:12:54 UTC

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