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Re: Some comments on the Compositing module

From: Anthony Grasso <anthony.grasso@cisra.canon.com.au>
Date: Thu, 12 Mar 2009 11:17:02 +1100
Message-ID: <49B8547E.904@cisra.canon.com.au>
To: "public-svg-wg@w3.org" <public-svg-wg@w3.org>
Hi Erik,

Thank you for the valuable feedback!

I think these should go into tracker as I wont be able to act on them straight away.

Perhaps we could quickly discuss this at the next telcon?

Thanks,

Anthony

Erik Dahlström wrote:
> Just a few comments on the SVG Compositing draft[1].
> 
> == The 'enable-background' property ==
> 
> [[ An additional group background buffer is created to store the percentage of background in the group image canvas. ]]
> 
> "percentage of background"? Is that to mean "An additional group background buffer is created to store the alpha channel of the group image canvas."?
> 
> This "percentage of background" wording occurs frequently throughout the primer and language specs. Also "group image canvas" isn't really defined anywhere.
> 
> The 'accumulate' keyword should probably say there what the canvas is initialized as (from the primer I gather that it's opaque).
> 
> == Comments on the Primer[2] ==
> 
> - Why are the equations using "." as multiplication sign? Why not use MathML?
> - Would it be possible to get those equations complete with hyperlinks to the definitions (e.g for things like 'Dca')?
> 
> And as discussed at the Sydney 2009 F2F most of the primer should be moved back into the language spec, though the above points still apply.
> 
> Cheers
> /Erik
> 
> [1] http://dev.w3.org/SVG/modules/compositing/master/SVGCompositing.html
> [2] http://dev.w3.org/SVG/modules/compositing/master/SVGCompositingPrimer.html
> 
Received on Thursday, 12 March 2009 00:17:44 GMT

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