| <svg xmlns="http://www.w3.org/2000/svg" xmlns:h="http://www.w3.org/1999/xhtml"> |
| <title>mask with only an empty container with a filter</title> |
| <h:link rel="help" href="https://drafts.fxtf.org/css-masking-1/#svg-masks"/> |
| <h:link rel="match" href="reference/mask-green-square-001-ref.svg"/> |
| |
| <filter id="double" x="0" y="0" width="200" height="200" filterUnits="userSpaceOnUse"> |
| <feOffset dy="100"/> |
| <feMerge> |
| <feMergeNode/> |
| <feMergeNode in="SourceGraphic"/> |
| </feMerge> |
| </filter> |
| <filter id="f" x="0" y="0" width="200" height="200" filterUnits="userSpaceOnUse"> |
| <feFlood flood-color="#fff"/> |
| </filter> |
| <mask id="m" x="50" y="50" width="100" height="100" maskUnits="userSpaceOnUse"> |
| <g filter="url(#f)"/> |
| </mask> |
| |
| <rect width="100" height="200" fill="green" mask="url(#m)"/> |
| <rect width="100" height="100" x="100" fill="green" mask="url(#m)" |
| filter="url(#double)"/> |
| </svg> |