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Re: CLIP-RULE ATTRIBUTE SUGGESTION

From: Dean Jackson <dean@w3.org>
Date: Thu, 14 Nov 2002 01:07:38 +1100
To: "Harmon S. Nine" <hnine@netarx.com>
Cc: www-svg@w3.org
Message-ID: <20021113140738.GA31198@grorg.org>

On Fri, 20 Sep 2002, Harmon S. Nine wrote:

> 
> Could the SVG standard include a value of "negative"or "complement" for 
> the clip-rule attribute? Or perhaps allow something like this to be 
> specified when the clipPath is being constructed?
> 
> This "negative" or "complement" specification would take a clipPath and 
> perform a bitwise complement on it, thus, for instance, changing a 
> clipPath that consists of a filled-circle into a rectangle the size of 
> the viewport with a circular hole in it.
> 
> Currently, the only way to obtain such a clipPath is to use a 
> complicated path-element that consists of a rectangle the size of the 
> viewport with other shapes inside the rectangle as part of this same 
> path.  A clip-rule of "oddeven" will then give the desired result.  This 
> seems overly complicated.  The method described in the above paragraph 
> would be much easier.

Hi Harmon,

Apologies for the late reply.

The Working Group had a look at your request recently and agree
that it would be a useful feature. 

Expect to hear back from us sometime in the SVG 1.2 timeframe
(it's too late for SVG 1.1, and we aren't doing new features there
anyway).

Dean
Received on Wednesday, 13 November 2002 09:07:54 GMT

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