Inkscape

Apply filter to only stroke or fill

Asked by fabb

In Illustrator, I can apply a filter (like Gaussian Blur) to either a whole object, or just to its stroke or fill.

Is there a way to do that in Inkscape without duplicating an object?

(I skimmed through the SVG 1.1. specification, but there was no obvious way to me on how to do it)

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Launchpad Janitor (janitor) said : 		#1

This question was expired because it remained in the 'Open' state without activity for the last 15 days.

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fabb (milkservice) said : 		#2

I still have this question.

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su_v (suv-lp) said : 		#3

As far as I understand there is no way in the current filter implementation (based on SVG 1.1) to apply a filter just to the stroke or fill of an object.

The common input sources 'FillPaint' and 'FillStroke' for filter effects are not implemented in Inkscape, but to me it is unclear from the definition in the spec if they would actually help to implement your requested feature. From testing with Squiggle (Batik 1.7) they seem to take the fill or stroke color (paint) as input, but not limit the effects region to the filled or stroked area (the filter effects region appears to just get filled with the paint like with feFlood).

See also <http://wiki.inkscape.org/wiki/index.php/Filter_Effects> for the status of SVG filter effects support in Inkscape (possibly slightly outdated).

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