2010/9/9 Raphaël Troncy <raphael.troncy@cwi.nl> > Hi Silvia, > > > I'd go as far as saying that if it is possible to write the >> specification of the region highlight in a document rather than in a url >> as Bernhard has done in his examples, there isn't a need for reference >> URLs and the svg-fragment example is perfectly fine. Just use SVG filters: >> >> <?xml version="1.0" ?> >> <r:RDF xmlns:r="http://www.w3.org/1999/02/22-rdf-syntax-ns#" >> xmlns:a="http://www.w3.org/2000/10/annotation-ns#" >> xmlns:d="http://purl.org/dc/elements/1.1/"> >> <r:Description> >> <a:annotates r:resource="http://serv1.example.com/some/page.html"/> >> <x:svg-fragment rdf:parseType="Literal"> >> <svg:defs xmlns:svg="http://www.w3.org/2000/svg"> >> <svg:filter id="c1"> >> <svg:symbol id="Polygon" xmlns:svg="http://www.w3.org/2000/svg"> >> <svg:polygon fill="none" points="52,203 0,124 186,0 238,80 52,203 " >> stroke="rgb(255,0,0)" stroke-width="0" >> xmlns:svg="http://www.w3.org/2000/svg"/> >> </svg:symbol> >> </svg:filter> >> </svg:defs> >> <svg:img height="270px" width="480px" "http://example.com/image1.jpg" >> filter="url(#c1)"/> >> </x:svg-fragment> >> </r:Description> >> </r:RDF> >> >> You can define the mask in that same file (as done above) or in a >> different file, so you will basically get what you want for free with >> the @filter and relative url there. >> > > Sure, this will work. But if I have 10 annotations to the same fragment, I > need to redefine it every time. This is all the purpose of referring to it > :-) No you don't. There is a filter="url(#c1)" thing that you can use in SVG to link to the same mask as often as you like. Further, you can just put the mask into a separate SVG file and link to it as filter="url(mask.svg#c1)" . Total flexibility! Cheers, Silvia.
Received on Thursday, 9 September 2010 13:14:46 UTC