Hi, getting color values at a given pixel position is currently not possible.
We are discussing this for SVG version 1.2 full as there are already many use cases. Its not in the upcoming SVG tiny spec, though. Andreas --- In [email protected], "ddailey" <[EMAIL PROTECTED]> wrote: > > Is it possible to read pixel values (RGBA) in SVG? The feDisplacementMap > filter "primitive" does something very cool which is to use the pixel values > from image A to distort image B. Hence at some lower level those pixel > values are made accessible to SVG so that the filter primitive might do its > work. I'm thinking of something like the getTotalLength and getPointAtLength > methods associated with Bezier curves in the <path> object -- those loci > need to be known anyhow for the browser to be able to render the path, so > why not let them be obtainable by the SVG developer? (Just for fun I applied > a displacement map to a path and then interrogated its points after it had > been distorted, but so far as SVG seemed to know, its coordinates were still > the same). > ----- To unsubscribe send a message to: [EMAIL PROTECTED] -or- visit http://groups.yahoo.com/group/svg-developers and click "edit my membership" ---- Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/svg-developers/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
