| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>backdrop-filter: Filter input is at element bounds</title> |
| <link rel="author" title="Mason Freed" href="mailto:masonfreed@chromium.org"> |
| <link rel="help" href="https://drafts.fxtf.org/filter-effects-2/#BackdropFilterProperty"> |
| <link rel="match" href="backdrop-filter-paint-order-ref.html"> |
| |
| <div> |
| <p>Expected: A pure white box with a blue border, surrounded by green.<br> |
| No green should be observed within the white box.<br> |
| No dark/black should be observed within the white box either.</p> |
| </div> |
| |
| <div class="greenbox top"></div> |
| <div class="greenbox right"></div> |
| <div class="greenbox bottom"></div> |
| <div class="filterbox"> |
| <div class="children" style="top:-31px;left:35px;"></div> |
| <div class="children" style="top:101px;left:35px;"></div> |
| <div class="children" style="top:35px;left:101px;"></div> |
| <div class="children" style="top:35px;left:-31px;"></div> |
| </div> |
| <style> |
| .filterbox { |
| position: absolute; |
| width: 100px; |
| height: 100px; |
| top: 150px; |
| left: 0px; |
| border: 1px solid blue; |
| backdrop-filter: blur(20px); |
| } |
| .greenbox { |
| position:absolute; |
| width: 150px; |
| height: 50px; |
| background: green; |
| } |
| .top { |
| top:100px; |
| left: 10px; |
| } |
| .right { |
| top:130px; |
| left: 102px; |
| width: 58px; |
| height: 150px; |
| } |
| .bottom { |
| top:252px; |
| left: 10px; |
| } |
| .children { |
| position: absolute; |
| width: 30px; |
| height: 30px; |
| top: 0px; |
| left: 0px; |
| background: green; |
| } |
| </style> |
| |
