| <!DOCTYPE html> |
| <html class="reftest-wait"> |
| <link rel="help" href="https://drafts.csswg.org/css-shapes-1/#basic-shape-interpolation"> |
| <link rel="match" href="clip-path-animation-fixed-position-rounding-error-ref.html"> |
| <!-- |
| Test that clip paths on elements with position: fixed draw correctly, |
| even in scenarios that involve partial pixels |
| |
| Currently uses fuzzy diff because of crbug.com/1249071 |
| --> |
| <style> |
| .container { |
| background-color: green; |
| /* Use a long animation that start at 50% progress where the slope of the |
| selected timing function is zero. By setting up the animation in this way, |
| we accommodate lengthy delays in running the test without a potential drift |
| in the animated property value. This is important for avoiding flakes, |
| especially on debug builds. The screenshots are taken as soon as the |
| animation is ready, thus the long animation duration has no bearing on |
| the actual duration of the test. */ |
| animation: clippath 1000000s cubic-bezier(0, 1, 1, 0) -500000s; |
| position: fixed; |
| width: 70px; |
| height: 126px; |
| } |
| |
| @keyframes clippath { |
| 0% { |
| clip-path: inset(0% 0%); |
| } |
| |
| 100% { |
| clip-path: inset(10% 10%); |
| } |
| } |
| |
| </style> |
| <script src="/common/reftest-wait.js"></script> |
| |
| <body> |
| <div class="container"></div> |
| |
| <script> |
| document.getAnimations()[0].ready.then(takeScreenshot); |
| </script> |
| </body> |
| |
| </html> |