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From Jean-Christophe ARNU (JX) <jc.a...@wanadoo.fr>
Subject Re: Changing style of an element
Date Tue, 25 Mar 2003 16:33:43 GMT
Sorry for dup message if any (Used the wrong email address to send to the
list) :/

> Hello,
> 	I'm quite newbie with Batik. I would like to know how I can change a
> 	style
> attribute from a given element. This element is out of a pre-loaded
> SVGDocument. What is the best way to do such a thing? I looked at the
> Mailing list archive and found a code sample using the SVGStylableSupport
> class which not seems to be ever in the Batik's API.
> 	I'm using Batik 1.5 beta4 :)

	I managed to get some changes using a code similar to this :

	svgPanel.addSVGDocumentLoaderListener(new SVGDocumentLoaderAdapter() {
		public void documentLoadingCompleted(SVGDocumentLoaderEvent evt) {
		    SVGDocument svgDoc = svgPanel.getSVGDocument();		 
		    NodeList nl =

		    for(int i=0;i<nl.getLength();i++){
			SVGOMPathElement svgpe = (SVGOMPathElement)nl.item(i);			

	This is quite brute-force change whereas I would like to change only "fill:"

	I tried to get svgpe.getStyle() but I invariantly get an nullPointerException
while calling this method (getStyle() method is from SVGStylableElement class)

	If I clearly understood JavaDocs,  getStyle() returns a CSSStyleDeclaration
which I could apply the setProperty("fill","green","") on to get what I would

	So what's missing to get things work? Is there any resource I can consult to
be more efficient on the subject?

	Thanx :)
Jean-Christophe ARNU

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