| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>CSS Test (Transforms): matrix() with zeros in the diagonal</title> |
| <link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com"> |
| <link rel="help" href="https://www.w3.org/TR/css-transforms-1/#funcdef-transform-matrix"> |
| <link rel="help" href="https://www.w3.org/TR/css-transforms-1/#transform-function-lists"> |
| <link rel="help" href="https://github.com/servo/servo/issues/37146"> |
| <link rel="match" href="../reference/ref-filled-green-200px-square.html"> |
| <meta name="assert" content="Tests that the element is still rendered, |
| even though the current transformation matrix has zeros in the diagonal, |
| as long as the matrix remains invertible."> |
| |
| <style> |
| .wrapper { |
| width: 200px; |
| height: 200px; |
| background: red; |
| } |
| .test { |
| width: 200px; |
| height: 200px; |
| background: green; |
| transform: matrix(0,1, 1,0, 0,0); |
| /* |
| The resulting matrix is: |
| ┌ ┐ |
| │ 0 1 0 0 │ |
| │ 1 0 0 0 │ |
| │ 0 0 1 0 │ |
| │ 0 0 0 1 │ |
| └ ┘ |
| It could result from e.g. `scaleX(-1) rotate(90deg)`. |
| */ |
| } |
| </style> |
| |
| <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> |
| |
| <div class="wrapper"> |
| <div class="test"></div> |
| </div> |
