| <!DOCTYPE html> |
| <meta charset="UTF-8"> |
| <link rel="help" href="https://drafts.csswg.org/css-images-3/#the-object-position"> |
| <meta name="test" content="object-position supports animation"> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/css/support/interpolation-testcommon.js"></script> |
| |
| <body></body> |
| |
| <script> |
| // Default object-position value is 50% 50% |
| test_interpolation({ |
| property: 'object-position', |
| from: neutralKeyframe, |
| to: 'left top', |
| }, [ |
| { at: -0.25, expect: '62.5% 62.5%' }, |
| { at: 0, expect: '50% 50%' }, |
| { at: 0.25, expect: '37.5% 37.5%' }, |
| { at: 0.5, expect: '25% 25%' }, |
| { at: 0.75, expect: '12.5% 12.5%' }, |
| { at: 1, expect: '0% 0%' }, |
| { at: 1.25, expect: '-12.5% -12.5%' }, |
| ]); |
| |
| // Animate x axis |
| test_interpolation({ |
| property: 'object-position', |
| from: 'initial', |
| to: 'center top', |
| }, [ |
| { at: -0.25, expect: '50% 62.5%' }, |
| { at: 0, expect: '50% 50%' }, |
| { at: 0.25, expect: '50% 37.5%' }, |
| { at: 0.5, expect: '50% 25%' }, |
| { at: 0.75, expect: '50% 12.5%' }, |
| { at: 1, expect: '50% 0%' }, |
| { at: 1.25, expect: '50% -12.5%' }, |
| ]); |
| |
| // Animate y axis |
| test_interpolation({ |
| property: 'object-position', |
| from: 'initial', |
| to: 'left center', |
| }, [ |
| { at: -0.25, expect: '62.5% 50%' }, |
| { at: 0, expect: '50% 50%' }, |
| { at: 0.25, expect: '37.5% 50%' }, |
| { at: 0.5, expect: '25% 50%' }, |
| { at: 0.75, expect: '12.5% 50%' }, |
| { at: 1, expect: '0% 50%' }, |
| { at: 1.25, expect: '-12.5% 50%' }, |
| ]); |
| |
| // Pixel values |
| test_interpolation({ |
| property: 'object-position', |
| from: '20px 20px', |
| to: '100px 100px', |
| }, [ |
| { at: -0.25, expect: '0px 0px' }, |
| { at: 0, expect: '20px 20px' }, |
| { at: 0.25, expect: '40px 40px' }, |
| { at: 0.5, expect: '60px 60px' }, |
| { at: 0.75, expect: '80px 80px' }, |
| { at: 1, expect: '100px 100px' }, |
| { at: 1.25, expect: '120px 120px' }, |
| ]); |
| </script> |