| <svg xmlns="http://www.w3.org/2000/svg"> |
| <defs> |
| <clipPath id="clip1" clipPathUnits="objectBoundingBox"> |
| <circle cx="0" cy="0" r="0.5" /> |
| <circle cx="0" cy="1" r="0.5" /> |
| </clipPath> |
| |
| <clipPath id="clip2" clipPathUnits="objectBoundingBox"> |
| <circle cx="1" cy="0" r="0.5" /> |
| <circle cx="1" cy="1" r="0.5" /> |
| </clipPath> |
| |
| <clipPath id="clip" clipPathUnits="objectBoundingBox"> |
| <rect x="0" y="0" width="1" height="1" clip-path="url(#clip1)"/> |
| <rect x="0" y="0" width="1" height="1" clip-path="url(#clip2)"/> |
| </clipPath> |
| |
| <mask id="mask1a" x="0" y="0" width="1" height="1" maskContentUnits="objectBoundingBox"> |
| <rect x="0" y="0" width="1" height="1" fill="white"/> |
| <rect x="0" y="0" width="1" height="1" fill="black" clip-path="url(#clip1)" /> |
| </mask> |
| |
| <mask id="mask1b" x="0" y="0" width="1" height="1" maskContentUnits="objectBoundingBox"> |
| <rect x="0" y="0" width="1" height="1" fill="white"/> |
| <rect x="0" y="0" width="1" height="1" fill="black" clip-path="url(#clip2)" /> |
| </mask> |
| |
| <mask id="mask2" x="0" y="0" width="1" height="1" maskContentUnits="objectBoundingBox"> |
| <rect x="0" y="0" width="1" height="1" fill="white" mask="url(#mask1a)"/> |
| </mask> |
| |
| <mask id="mask3" x="0" y="0" width="1" height="1" maskContentUnits="objectBoundingBox"> |
| <rect x="0" y="0" width="1" height="1" fill="white" mask="url(#mask1b)"/> |
| </mask> |
| </defs> |
| |
| <text x="125" y="225" text-anchor="middle">Both shapes should look identical</text> |
| |
| <!-- The mask on the <g> causes nothing to be renderer with Opera, clearly a bug --> |
| <g mask="url(#mask1a)"> |
| <circle cx="50" cy="50" r="50" fill="black" mask="url(#mask1b)"/> |
| </g> |
| |
| <!-- The mask on the <g> causes nothing to be renderer with Opera, clearly a bug --> |
| <g mask="url(#mask3)"> |
| <circle cx="150" cy="150" r="50" fill="black" mask="url(#mask2)"/> |
| </g> |
| |
| </svg> |