| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>offset-distance interpolation</title> |
| <link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org"> |
| <link rel="help" href="https://drafts.fxtf.org/motion-1/#offset-distance-property"> |
| <meta name="assert" content="offset-distance supports animation."> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/css/support/interpolation-testcommon.js"></script> |
| </head> |
| <style> |
| .parent { |
| offset-distance: 30px; |
| } |
| .target { |
| width: 10px; |
| height: 10px; |
| background-color: black; |
| offset-path: path("M0 0H 400"); |
| offset-distance: 10px; |
| } |
| .expected { |
| background-color: green; |
| } |
| </style> |
| <body> |
| <script> |
| test_interpolation({ |
| property: 'offset-distance', |
| from: '-30px', |
| to: '50px', |
| }, [ |
| {at: -1, expect: '-110px'}, |
| {at: 0, expect: '-30px'}, |
| {at: 0.125, expect: '-20px'}, |
| {at: 0.875, expect: '40px'}, |
| {at: 1, expect: '50px'}, |
| {at: 2, expect: '130px'} |
| ]); |
| |
| test_interpolation({ |
| property: 'offset-distance', |
| from: '20%', |
| to: '100%', |
| }, [ |
| {at: -1, expect: '-60%'}, |
| {at: 0, expect: '20%'}, |
| {at: 0.125, expect: '30%'}, |
| {at: 0.875, expect: '90%'}, |
| {at: 1, expect: '100%'}, |
| {at: 2, expect: '180%'} |
| ]); |
| |
| test_interpolation({ |
| property: 'offset-distance', |
| from: 'calc(20% - 30px)', |
| to: 'calc(50px + 100%)', |
| }, [ |
| {at: -1, expect: 'calc(-110px + -60%)'}, |
| {at: 0, expect: 'calc(20% - 30px)'}, |
| {at: 0.125, expect: 'calc(-20px + 30%)'}, |
| {at: 0.875, expect: 'calc(40px + 90%)'}, |
| {at: 1, expect: 'calc(50px + 100%)'}, |
| {at: 2, expect: 'calc(130px + 180%)'} |
| ]); |
| |
| test_interpolation({ |
| property: 'offset-distance', |
| from: neutralKeyframe, |
| to: '20px', |
| }, [ |
| {at: -0.3, expect: '7px'}, |
| {at: 0, expect: '10px'}, |
| {at: 0.3, expect: '13px'}, |
| {at: 0.6, expect: '16px'}, |
| {at: 1, expect: '20px'}, |
| {at: 1.5, expect: '25px'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'offset-distance', |
| from: 'initial', |
| to: '20px', |
| }, [ |
| {at: -0.3, expect: '-6px'}, |
| {at: 0, expect: '0px'}, |
| {at: 0.3, expect: '6px'}, |
| {at: 0.6, expect: '12px'}, |
| {at: 1, expect: '20px'}, |
| {at: 1.5, expect: '30px'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'offset-distance', |
| from: 'inherit', |
| to: '20px', |
| }, [ |
| {at: -0.3, expect: '33px'}, |
| {at: 0, expect: '30px'}, |
| {at: 0.3, expect: '27px'}, |
| {at: 0.6, expect: '24px'}, |
| {at: 1, expect: '20px'}, |
| {at: 1.5, expect: '15px'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'offset-distance', |
| from: 'unset', |
| to: '20px', |
| }, [ |
| {at: -0.3, expect: '-6px'}, |
| {at: 0, expect: '0px'}, |
| {at: 0.3, expect: '6px'}, |
| {at: 0.6, expect: '12px'}, |
| {at: 1, expect: '20px'}, |
| {at: 1.5, expect: '30px'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'offset-distance', |
| from: '10px', |
| to: '100%', |
| }, [ |
| {at: -0.3, expect: 'calc(13px + -30%)'}, |
| {at: 0, expect: 'calc(0% + 10px)'}, |
| {at: 0.3, expect: 'calc(7px + 30%)'}, |
| {at: 0.6, expect: 'calc(4px + 60%)'}, |
| {at: 1, expect: '100%'}, |
| {at: 1.5, expect: 'calc(-5px + 150%)'}, |
| ]); |
| </script> |
| </body> |
| </html> |