| <!DOCTYPE html> |
| <title>Hit test back face hidden preserve3d</title> |
| <link rel="help" href="https://drafts.csswg.org/css-transforms-2/#backface-visibility-property"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <style> |
| body { |
| margin: 0; |
| } |
| |
| .container { |
| position: absolute; |
| top: 50px; |
| left: 50px; |
| perspective: 600px; |
| width: 200px; |
| height: 200px; |
| } |
| |
| .rotatetoback { |
| width: 100%; |
| height: 100%; |
| transform-style: preserve-3d; |
| transform: rotateY(-180deg); |
| } |
| |
| .hideback { |
| position: absolute; |
| width: 100%; |
| height: 100%; |
| backface-visibility: hidden; |
| } |
| |
| .rotatetofront { |
| transform: rotateY(180deg); |
| } |
| |
| .yellow100 { |
| width: 100%; |
| height: 100%; |
| background: yellow; |
| } |
| </style> |
| |
| <body> |
| |
| <div class="container"> |
| <div class="rotatetoback" > |
| <div class="hideback rotatetofront" style="background: blue"> |
| </div> |
| <div class="hideback" style="background: green;"> |
| <div id="target" class="yellow100"></div> |
| </div> |
| </div> |
| </div> |
| |
| </body> |
| |
| <script> |
| |
| test(t => { |
| const expectedElemId = "target"; |
| const expectedElem = document.getElementById(expectedElemId); |
| const x = 150; |
| const y = 150; |
| const hitElem = document.elementFromPoint(x, y); |
| assert_equals(hitElem, expectedElem, |
| `point (${x}, ${y}) is inside element ${expectedElemId}`); |
| }, `${document.title}, hittesting`); |
| |
| </script> |
| |
| </html> |
