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Re: Proposed wording for 'how object transforms affect gradient rendering output'

From: Ken Stacey <ken@svgmaker.com>
Date: Tue, 09 Feb 2010 16:40:42 +1000
Message-ID: <4B71036A.1080107@svgmaker.com>
To: www-svg@w3.org
Hi Anthony,

On 4/02/2010 2:58 PM, Anthony Grasso wrote:
> The wording in the last sentence of the second last paragraph for 
> gradientUnits attribute [4] should be reworded to:
> [[
> When the object's bounding box is not square, the gradient normal which 
> is initially perpendicular to the gradient vector within object bounding 
> box space shall render non-perpendicular relative to the gradient vector 
> in user space. This transformation is due to application of the 
> non-uniform scaling transformation from bounding box space to user space.
> ]]

"shall render non-perpendicular" is not always true.  If the gradient 
vector is parallel to one of the axes of the bounding box, the gradient 
normal will remain perpendicular.

Ken Stacey
Received on Tuesday, 9 February 2010 06:41:13 UTC

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