| <!-- |
| Any copyright is dedicated to the Public Domain. |
| http://creativecommons.org/publicdomain/zero/1.0/ |
| --> |
| <svg xmlns="http://www.w3.org/2000/svg" width="200" height="200"> |
| |
| <title>Testcase for alpha mask</title> |
| |
| <!-- From https://bugzilla.mozilla.org/show_bug.cgi?id=793617 --> |
| |
| <mask id="m" maskContentUnits="objectBoundingBox" style="mask-type: alpha"> |
| <rect x=".1" y=".1" width=".8" height=".8" fill="black" fill-opacity="0.5"/> |
| </mask> |
| <rect width="100" height="100" fill="blue" mask="url(#m)"/> |
| </svg> |