[xep-support] svg:filter

[Dave Bickford]

I've experimented extensively with this exact "problem". Even with the
latest version of RenderX there is little support for gradients and filters.

(Hopefully has become a development priority, as SVG is a fantastic means to
manipulate graphics from xml centric sources)

 

I have tried three sad work-arounds, each with it's own issues:

 

1.	If at all possible script Photoshop to pre-prepare your images with
a shadow. (No doubt you've already considered this.)
2.	It is possible to create separate graphics of your shadows and
"carefully" place these around your images using svg:image tags. It takes 5
separate images to do this if your original images vary in size, but you can
do it with 2 if you're dealing with uniformly sized images. (If your shadows
require a multiply of the underlying background this technique will not work
for you.)
3.	I've had success with creating a top-left highlight/lower-right
lowlight bevel effect by overlaying 1pt lines over the outer-most edge of
images.

 

 I'd much prefer to use a shadow filter that incorporates a background
multiply but it is just not supported yet.

 

Good luck,

Dave Bickford

 

  _____  

From: owner-xep-support at renderx.com [mailto:owner-xep-support at renderx.com]
On Behalf Of Stijn Elst
Sent: Thursday, March 19, 2009 8:56 AM
To: xep-support at renderx.com
Subject: [xep-support] svg:filter

 

Dear support-team,

 

 

Can a basic filter be applied to an SVG image in RenderX?

 

I need to produce a shadow effect behind a picture. Is that at all possible?

 

This code should produce the right shadow but it does nothing:

 

<svg:filter id = "i1" width = "150%" height = "150%">
    <feOffset result = "offOut" in = "SourceAlpha" dx = "30" dy = "30"/>
    <feGaussianBlur result = "blurOut" in = "offOut" stdDeviation = "10"/>
    <feBlend in = "SourceGraphic" in2 = "blurOut" mode = "normal"/>
</svg:filter>

 

Any help would be greatly appreciated.

 

We're using version 3.8.1.

 

 

Kind regards,

Stijn Elst

IT Fotek/Pixbook

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