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Re: 1.2T feature for consideration {WAS: RE: ISSUE-37 - html-svg-mathml - suggest closing on 2009-08-20}

From: Erik Dahlstrom <ed@opera.com>
Date: Tue, 01 Sep 2009 22:59:36 +0200
To: "Paul Williams" <pwilliams@infotrustgroup.com>, "www-svg@w3.org" <www-svg@w3.org>
Message-ID: <op.uzli9m1bgeuyw5@hit-nxdomain.opendns.com>
Just trying to clear up some of the confusion here:

1. 'vector-effect' is defined as a styling property[2], and like all the  
other styling properties in SVG is meant to be supported in CSS  
stylesheets (however SVGT12 doesn't require support for CSS stylesheets).  
FWIW the 'vector-effect' styling property is supported in Opera 10, both  
in stylesheets and as an attribute.
2. 'vector-effect' applies to all graphics elements[3], including <path>,  
<circle> etc.


[2] http://www.w3.org/TR/SVGTiny12/styling.html#SVGStylingProperties
[3] http://www.w3.org/TR/SVGTiny12/intro.html#TermGraphicsElement

On Tue, 01 Sep 2009 19:12:21 +0200, Paul Williams  
<pwilliams@infotrustgroup.com> wrote:

> I’ve got a vote for what 1.2T feature should be promoted (and quickly).   
> 1.2T has a specification for “vector-effect” of “non-scaling-stroke” [1]  
> which would be very useful for those of us trying to promote the use of  
> SVG in technical drawings.  In 1.2T, it’s an attribute of the “line”  
> element; I would say that in SVG it would be an attribute of the path  
> element.  An analogous CSS property would be helpful too.
> As I mentioned, this feature will be important for technical writers who  
> have engineering or wiring diagrams that need to zoom without affecting  
> the path widths (at least on selected paths).  The common option  
> currently is CGM which is unevenly supported by expensive plugins.  As  
> far as I can tell, the community would benefit from this small addition  
> to a rapidly maturing and well supported spec such as SVG.
> [1] http://www.w3.org/TR/SVGTiny12/painting.html#NonScalingStroke
> Best,
>  ~ Paul
> From: www-svg-request@w3.org [mailto:www-svg-request@w3.org] On Behalf  
> Of Robert O'Callahan
> Sent: Monday, August 31, 2009 9:55 PM
> To: Maciej Stachowiak
> Cc: HTMLWG WG; Adrian Bateman; Henri Sivonen; www-svg@w3.org
> Subject: Re: ISSUE-37 - html-svg-mathml - suggest closing on 2009-08-20
> On Mon, Aug 31, 2009 at 2:07 PM, Maciej Stachowiak  
> <mjs@apple.com<mailto:mjs@apple.com>> wrote:
> For WebKit we're not interested in full 1.2T support, and we're quite  
> definitely not interested in XML Events, textArea, or the uDOM  
> (especially Traits). Likely not xml:id either.
> Agree.
> From time to time, some of the other extensions have been proposed, but  
> I do not recall the details.
> I could imagine svg:video and svg:audio being reasonable additions. I  
> don't think they are as useful as the HTML versions, but most of the  
> below-the-DOM implementation can be shared, so the cost is low. I don't  
> feel strongly about this though.
> Yeah, I think we could go either way too.
> I agree it would make sense to coordinate on 1.2T features to add. And  
> since the SVG WG has changed in membership and focus since 1.2T was  
> published, we should help future revisions of SVG to be better aligned  
> with the rest of the Web platform.
> Perhaps the best way to proceed is for people to propose 1.2T features  
> that they think *should* be on the Web.
> Rob
> --
> "He was pierced for our transgressions, he was crushed for our  
> iniquities; the punishment that brought us peace was upon him, and by  
> his wounds we are healed. We all, like sheep, have gone astray, each of  
> us has turned to his own way; and the LORD has laid on him the iniquity  
> of us all." [Isaiah 53:5-6]

Erik Dahlstrom, Core Technology Developer, Opera Software
Co-Chair, W3C SVG Working Group
Personal blog: http://my.opera.com/macdev_ed
Received on Tuesday, 1 September 2009 21:00:23 UTC

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