Comment 3 for bug 587579

Revision history for this message
su_v (suv-lp) wrote :

… and an example using SVG filters (feImage and feComposite). Enter the group in the top layer and move the (apparently transparent) star.

Note: Firefox 3.5.9 and Safai 4.0.5 don't display the filter effect (feImage), but Squiggle (Batik 1.7) and Opera 10.53 do.

References:
- Inkscape Filter Effects - Compositing Filter Primitives
  <http://tavmjong.free.fr/INKSCAPE/MANUAL/html/Filters-Compositing.html#Filters-Composite>
- SVG 1.1 Specification - 15.12 Filter primitive 'feComposite'
  <http://www.w3.org/TR/SVG11/filters.html#feComposite>
- Example 10-7. Use of feComposite in and out (uses the in and out operators to do "cut-outs.")
  <http://commons.oreilly.com/wiki/index.php/SVG_Essentials/Filters#svgess-CHP-10-EX-7>