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[Fwd: [Moderator Action] <filter> and padding space]

From: Chris Lilley <chris@w3.org>
Date: Sat, 14 Apr 2001 21:15:47 +0200
Message-ID: <3AD8A1E3.B2A87B3D@w3.org>
To: www-svg@w3.org
non-member submission

attached mail follows:


Hello.

It is said in the CR (15.5) that

<quote>
It is often necessary to provide padding space because the filter effect
might impact bits slightly outside the tight-fitting bounding box on a
given object. For these purposes, it is possible to provide negative
percentage values for x, y and percentages values greater than 100% for
width, height. For example, x="-10%" y="-10%" width="120%"
height="120%".
</quote>

However, imagine that the bounding box 'x' is much greater than the bbox
'width', say bbx=1000 and bbwidth=50.
Then the padding space on the x axis would be x=900 (-10% of 1000) and
width=60 (120% of 50).
So at the left of the bounding box you will have a padding space of 100
pixels where you'll have
a padding space of only 10 pixels on the right.

Isn't it a problem ? I mean, if you want a padding space, wouldn't it be
better to have a 'padding-space'
attribute which would be the width of the a band surrounding the bbox ?

regards,

--
stephane conversy
ecole des mines de nantes
Received on Saturday, 14 April 2001 15:16:43 GMT

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