| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>offset-rotate interpolation</title> |
| <link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org"> |
| <link rel="help" href="https://drafts.fxtf.org/motion-1/#offset-rotate-property"> |
| <meta name="assert" content="offset-rotate 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-rotate: 30deg; |
| } |
| .target { |
| width: 80px; |
| height: 80px; |
| display: inline-block; |
| background-color: black; |
| margin-right: 5px; |
| offset-rotate: 10deg; |
| } |
| .expected { |
| background-color: green; |
| margin-right: 15px; |
| } |
| </style> |
| <body> |
| <script> |
| test_interpolation({ |
| property: 'offset-rotate', |
| from: '100deg', |
| to: '180deg', |
| }, [ |
| {at: -1, expect: '20deg'}, |
| {at: 0, expect: '100deg'}, |
| {at: 0.125, expect: '110deg'}, |
| {at: 0.875, expect: '170deg'}, |
| {at: 1, expect: '180deg'}, |
| {at: 2, expect: '260deg'} |
| ]); |
| |
| test_interpolation({ |
| property: 'offset-rotate', |
| from: 'auto 45deg', |
| to: 'auto 125deg', |
| }, [ |
| {at: -1, expect: 'auto -35deg'}, |
| {at: 0, expect: 'auto 45deg'}, |
| {at: 0.125, expect: 'auto 55deg'}, |
| {at: 0.875, expect: 'auto 115deg'}, |
| {at: 1, expect: 'auto 125deg'}, |
| {at: 2, expect: 'auto 205deg'} |
| ]); |
| |
| test_interpolation({ |
| property: 'offset-rotate', |
| from: 'auto 170deg', |
| to: '100grad auto', |
| }, [ |
| {at: -1, expect: 'auto 250deg'}, |
| {at: 0, expect: 'auto 170deg'}, |
| {at: 0.125, expect: 'auto 160deg'}, |
| {at: 0.875, expect: 'auto 100deg'}, |
| {at: 1, expect: '100grad auto'}, |
| {at: 2, expect: 'auto 10deg'} |
| ]); |
| |
| test_interpolation({ |
| property: 'offset-rotate', |
| from: 'auto -280deg', |
| to: 'auto calc(90deg - 0.5turn - 300grad + 0rad)', |
| }, [ |
| {at: -1, expect: 'auto -200deg'}, |
| {at: 0, expect: 'auto -280deg'}, |
| {at: 0.125, expect: 'auto -290deg'}, |
| {at: 0.875, expect: 'auto -350deg'}, |
| {at: 1, expect: 'auto calc(90deg - 0.5turn - 300grad + 0rad)'}, |
| {at: 2, expect: 'auto -440deg'} |
| ]); |
| |
| test_interpolation({ |
| property: 'offset-rotate', |
| from: 'auto 100deg', |
| to: 'reverse', |
| }, [ |
| {at: -1, expect: 'auto 20deg'}, |
| {at: 0, expect: 'auto 100deg'}, |
| {at: 0.125, expect: 'auto 110deg'}, |
| {at: 0.875, expect: 'auto 170deg'}, |
| {at: 1, expect: 'reverse'}, |
| {at: 2, expect: 'auto 260deg'} |
| ]); |
| |
| // No interpolation between auto/reverse and angle. |
| test_no_interpolation({ |
| property: 'offset-rotate', |
| from: 'reverse 90deg', |
| to: '360deg', |
| }); |
| |
| test_no_interpolation({ |
| property: 'offset-rotate', |
| from: '6rad', |
| to: 'auto', |
| }); |
| |
| // Neutral keyframes use the inline style. |
| test_interpolation({ |
| property: 'offset-rotate', |
| from: neutralKeyframe, |
| to: '20deg', |
| }, [ |
| {at: -0.3, expect: '7deg'}, |
| {at: 0, expect: '10deg'}, |
| {at: 0.3, expect: '13deg'}, |
| {at: 0.6, expect: '16deg'}, |
| {at: 1, expect: '20deg'}, |
| {at: 1.5, expect: '25deg'}, |
| ]); |
| |
| // No interpolation to an angle from the initial value 'auto'. |
| test_no_interpolation({ |
| property: 'offset-rotate', |
| from: 'initial', |
| to: '20deg', |
| }); |
| |
| // 'inherit' keyframes use the parent style. |
| test_interpolation({ |
| property: 'offset-rotate', |
| from: 'inherit', |
| to: '20deg', |
| }, [ |
| {at: -0.3, expect: '33deg'}, |
| {at: 0, expect: '30deg'}, |
| {at: 0.3, expect: '27deg'}, |
| {at: 0.6, expect: '24deg'}, |
| {at: 1, expect: '20deg'}, |
| {at: 1.5, expect: '15deg'}, |
| ]); |
| |
| // No interpolation to an angle from the initial value 'auto'. |
| test_no_interpolation({ |
| property: 'offset-rotate', |
| from: 'unset', |
| to: '20deg', |
| }); |
| |
| // Interpolation between angles. |
| test_interpolation({ |
| property: 'offset-rotate', |
| from: '10deg', |
| to: '50deg' |
| }, [ |
| {at: -0.3, expect: '-2deg'}, |
| {at: 0, expect: '10deg'}, |
| {at: 0.3, expect: '22deg'}, |
| {at: 0.6, expect: '34deg'}, |
| {at: 1, expect: '50deg'}, |
| {at: 1.5, expect: '70deg'}, |
| ]); |
| |
| // Regression test for crbug.com/918430. |
| test_interpolation({ |
| property: 'offset-rotate', |
| from: '800deg', |
| to: '900deg' |
| }, [ |
| {at: -3.40282e+38, expect: '-3.40282e+38deg'}, |
| ]); |
| |
| // Interpolation between auto angles. |
| test_interpolation({ |
| property: 'offset-rotate', |
| from: 'auto 10deg', |
| to: 'auto 50deg' |
| }, [ |
| {at: -0.3, expect: 'auto -2deg'}, |
| {at: 0, expect: 'auto 10deg'}, |
| {at: 0.3, expect: 'auto 22deg'}, |
| {at: 0.6, expect: 'auto 34deg'}, |
| {at: 1, expect: 'auto 50deg'}, |
| {at: 1.5, expect: 'auto 70deg'}, |
| ]); |
| |
| // 'reverse' is like 'auto 180deg'. |
| test_interpolation({ |
| property: 'offset-rotate', |
| from: 'reverse -170deg', |
| to: 'reverse -130deg' |
| }, [ |
| {at: -0.3, expect: 'auto -2deg'}, |
| {at: 0, expect: 'auto 10deg'}, |
| {at: 0.3, expect: 'auto 22deg'}, |
| {at: 0.6, expect: 'auto 34deg'}, |
| {at: 1, expect: 'auto 50deg'}, |
| {at: 1.5, expect: 'auto 70deg'}, |
| ]); |
| |
| // Interpolation between 'auto' and 'reverse'. |
| test_interpolation({ |
| property: 'offset-rotate', |
| from: 'auto 10deg', |
| to: 'reverse -130deg' |
| }, [ |
| {at: -0.3, expect: 'auto -2deg'}, |
| {at: 0, expect: 'auto 10deg'}, |
| {at: 0.3, expect: 'auto 22deg'}, |
| {at: 0.6, expect: 'auto 34deg'}, |
| {at: 1, expect: 'auto 50deg'}, |
| {at: 1.5, expect: 'auto 70deg'}, |
| ]); |
| test_interpolation({ |
| property: 'offset-rotate', |
| from: 'reverse -170deg', |
| to: 'auto 50deg' |
| }, [ |
| {at: -0.3, expect: 'auto -2deg'}, |
| {at: 0, expect: 'auto 10deg'}, |
| {at: 0.3, expect: 'auto 22deg'}, |
| {at: 0.6, expect: 'auto 34deg'}, |
| {at: 1, expect: 'auto 50deg'}, |
| {at: 1.5, expect: 'auto 70deg'}, |
| ]); |
| |
| // No interpolation between auto/reverse and angle. |
| test_no_interpolation({ |
| property: 'offset-rotate', |
| from: 'auto 200deg', |
| to: '300deg' |
| }); |
| test_no_interpolation({ |
| property: 'offset-rotate', |
| from: '300deg', |
| to: 'reverse 20deg' |
| }); |
| </script> |
| </body> |
| </html> |
