Hi James,
Ahh, you need to boot the CSS DOM:
http://wiki.apache.org/xmlgraphics-batik/BootSvgAndCssDom
James Balnaves <[EMAIL PROTECTED]> wrote on 02/03/2006 11:28:52 AM:
> Thanks for the suggestion. Unfortunately I get identical results
> using this method, a null pointer exception on the getPropertyCSSValue
> (). Is there something else I need to do to calculate the stroke?
> Perhaps I am missing something in the setup. I am creating the
> document from a file stream using the following snippet I found in
> the docs somewhere:
>
> String parser =
> XMLResourceDescriptor.getXMLParserClassName();
> SAXSVGDocumentFactory f = new SAXSVGDocumentFactory
> (parser);
> SVGDocument doc = (SVGDocument)f.createDocument
> ("http:internal", is);
>
> After that I use getElementsByTagName() to find the paths, which I am
> then using as the element in your example code. Does anything look
> out of place?
>
> Thanks, James.
>
> On Feb 2, 2006, at 8:36 PM, Tonny Kohar wrote:
>
> > Hi,
> >
> > On Thu, 2006-02-02 at 15:26 -0500, James Balnaves wrote:
> >> When I try this, the CSSStyleDeclaration ends up containing an
> >> "element" member of type SVGOMPathElement that has attributes "fill"
> >> and "d", but the CSSStyleDeclaration "values" member HashMap is
> >> empty.
> >> When I call style.getPropertyCSSValue("stroke") I get a null pointer
> >> exception, even though this value exists up in the main svg element.
> >
> > How about something like this
> > ViewCSS viewCSS =
> > (ViewCSS)element.getOwnerDocument().getDocumentElement();
> > CSSStyleDeclaration computedStyle =
> > viewCSS.getComputedStyle(element,null);
> > SVGPaint svgPaint =
> > (SVGPaint)computedStyle.getPropertyCSSValue
> > (SVGConstants.SVG_STROKE_ATTRIBUTE);
> > Color color = null;
> > if (svgPaint.getPaintType() == SVGPaint.SVG_PAINTTYPE_RGBCOLOR) {
> > RGBColor rgbColor = svgPaint.getRGBColor();
> > CSSPrimitiveValue redValue = rgbColor.getRed();
> > CSSPrimitiveValue blueValue = rgbColor.getBlue();
> > CSSPrimitiveValue greenValue = rgbColor.getGreen();
> > float r = redValue.getFloatValue
> > (CSSPrimitiveValue.CSS_NUMBER);
> > float g =
> > greenValue.getFloatValue(CSSPrimitiveValue.CSS_NUMBER);
> > float b = blueValue.getFloatValue
> > (CSSPrimitiveValue.CSS_NUMBER);
> > color = new
> > Color((int)r,(int)g,(int)b);
> > } else if (svgPaint.getPaintType() ==
> > SVGPaint.SVG_PAINTTYPE_CURRENTCOLOR) {
> > // this is the color keyword eg: black, blue, green, aliceblue,etc
> > // please check with the SVG / CSS Dom for the exact RGB value for
> > this
> > color keyword
> > } else if (svgPaint.getPaintType() ==
> > SVGPaint....) {
> >
>
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