| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>offset-position composition</title> |
| <link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org"> |
| <link rel="help" href="https://drafts.fxtf.org/motion-1/#offset-position-property"> |
| <meta name="assert" content="offset-position supports <position> animation."> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/css/support/interpolation-testcommon.js"></script> |
| |
| <style> |
| .target { |
| width: 200px; |
| height: 200px; |
| } |
| </style> |
| <body> |
| <script> |
| test_composition({ |
| property: 'offset-position', |
| underlying: '40px 60px', |
| addFrom: '60px 40px', |
| addTo: '160px 140px', |
| }, [ |
| {at: -0.25, expect: '75px 75px'}, |
| {at: 0, expect: '100px 100px'}, |
| {at: 0.25, expect: '125px 125px'}, |
| {at: 0.5, expect: '150px 150px'}, |
| {at: 0.75, expect: '175px 175px'}, |
| {at: 1, expect: '200px 200px'}, |
| {at: 1.25, expect: '225px 225px'}, |
| ]); |
| |
| test_composition({ |
| property: 'offset-position', |
| underlying: 'top 20% left 40%', |
| addFrom: 'left 60% top 80%', |
| addTo: 'right 80% bottom 40%', |
| }, [ |
| {at: -0.25, expect: '110% 105%'}, |
| {at: 0, expect: '100% 100%'}, |
| {at: 0.25, expect: '90% 95%'}, |
| {at: 0.5, expect: '80% 90%'}, |
| {at: 0.75, expect: '70% 85%'}, |
| {at: 1, expect: '60% 80%'}, |
| {at: 1.25, expect: '50% 75%'}, |
| ]); |
| |
| test_composition({ |
| property: 'offset-position', |
| underlying: '40px 60px', |
| replaceFrom: '100px 200px', |
| addTo: '160px 40px', |
| }, [ |
| {at: -0.25, expect: '75px 225px'}, |
| {at: 0, expect: '100px 200px'}, |
| {at: 0.25, expect: '125px 175px'}, |
| {at: 0.5, expect: '150px 150px'}, |
| {at: 0.75, expect: '175px 125px'}, |
| {at: 1, expect: '200px 100px'}, |
| {at: 1.25, expect: '225px 75px'}, |
| ]); |
| |
| test_composition({ |
| property: 'offset-position', |
| underlying: '40px 60px', |
| addFrom: '60px 140px', |
| replaceTo: '200px 100px', |
| }, [ |
| {at: -0.25, expect: '75px 225px'}, |
| {at: 0, expect: '100px 200px'}, |
| {at: 0.25, expect: '125px 175px'}, |
| {at: 0.5, expect: '150px 150px'}, |
| {at: 0.75, expect: '175px 125px'}, |
| {at: 1, expect: '200px 100px'}, |
| {at: 1.25, expect: '225px 75px'}, |
| ]); |
| </script> |
| </body> |
