| <!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-path: ray(30deg closest-side); |
| } |
| .target { |
| offset-path: ray(10deg closest-side); |
| } |
| </style> |
| <body> |
| <script> |
| 'use strict'; |
| |
| test_no_interpolation({ |
| property: 'offset-path', |
| from: "path('M 0 0 L 100 100 M 100 200 L 200 200 Z L 200 100 Z')", |
| to: "ray(0deg closest-side)", |
| }); |
| |
| test_no_interpolation({ |
| property: 'offset-path', |
| from: "ray(0deg closest-corner)", |
| to: "none", |
| }); |
| |
| // Neutral keyframes use the inline style. |
| test_interpolation({ |
| property: 'offset-path', |
| from: neutralKeyframe, |
| to: 'ray(20deg closest-side)', |
| }, [ |
| {at: -0.3, expect: 'ray(7deg closest-side)'}, |
| {at: 0, expect: 'ray(10deg closest-side)'}, |
| {at: 0.3, expect: 'ray(13deg closest-side)'}, |
| {at: 0.6, expect: 'ray(16deg closest-side)'}, |
| {at: 1, expect: 'ray(20deg closest-side)'}, |
| {at: 1.5, expect: 'ray(25deg closest-side)'}, |
| ]); |
| |
| // No interpolation to a ray from the initial value 'none'. |
| test_no_interpolation({ |
| property: 'offset-path', |
| from: 'initial', |
| to: 'ray(20deg closest-side)', |
| }); |
| |
| // 'inherit' keyframes use the parent style. |
| test_interpolation({ |
| property: 'offset-path', |
| from: 'inherit', |
| to: 'ray(20deg closest-side)', |
| }, [ |
| {at: -0.3, expect: 'ray(33deg closest-side)'}, |
| {at: 0, expect: 'ray(30deg closest-side)'}, |
| {at: 0.3, expect: 'ray(27deg closest-side)'}, |
| {at: 0.6, expect: 'ray(24deg closest-side)'}, |
| {at: 1, expect: 'ray(20deg closest-side)'}, |
| {at: 1.5, expect: 'ray(15deg closest-side)'}, |
| ]); |
| |
| // No interpolation to a ray from the initial value 'none'. |
| test_no_interpolation({ |
| property: 'offset-path', |
| from: 'unset', |
| to: 'ray(20deg closest-side)', |
| }); |
| |
| // No interpolation to a ray from the initial value 'none'. |
| test_no_interpolation({ |
| property: 'offset-path', |
| from: 'none', |
| to: 'ray(20deg closest-side)', |
| }); |
| |
| // Interpolation between rays. |
| test_interpolation({ |
| property: 'offset-path', |
| from: 'ray(10deg sides contain)', |
| to: 'ray(50deg sides contain)' |
| }, [ |
| {at: -1, expect: 'ray(-30deg sides contain)'}, |
| {at: 0, expect: 'ray(10deg sides contain)'}, |
| {at: 0.125, expect: 'ray(15deg sides contain)'}, |
| {at: 0.875, expect: 'ray(45deg sides contain)'}, |
| {at: 1, expect: 'ray(50deg sides contain)'}, |
| {at: 2, expect: 'ray(90deg sides contain)'}, |
| ]); |
| |
| test_interpolation({ |
| property: 'offset-path', |
| from: 'ray(-10deg farthest-corner)', |
| to: 'ray(-50deg farthest-corner)' |
| }, [ |
| {at: -1, expect: 'ray(30deg farthest-corner)'}, |
| {at: 0, expect: 'ray(-10deg farthest-corner)'}, |
| {at: 0.125, expect: 'ray(-15deg farthest-corner)'}, |
| {at: 0.875, expect: 'ray(-45deg farthest-corner)'}, |
| {at: 1, expect: 'ray(-50deg farthest-corner)'}, |
| {at: 2, expect: 'ray(-90deg farthest-corner)'}, |
| ]); |
| |
| // No interpolation between different sizes and/or different containment. |
| test_no_interpolation({ |
| property: 'offset-path', |
| from: 'ray(200deg farthest-side)', |
| to: 'ray(300deg sides)' |
| }); |
| test_no_interpolation({ |
| property: 'offset-path', |
| from: 'ray(200deg sides contain)', |
| to: 'ray(300deg sides)' |
| }); |
| test_no_interpolation({ |
| property: 'offset-path', |
| from: 'ray(200deg farthest-side contain)', |
| to: 'ray(300deg sides)' |
| }); |
| </script> |
| </body> |
| </html> |
