| <!DOCTYPE html> |
| <meta charset="UTF-8"> |
| <meta charset="UTF-8"> |
| <title>mask-position-interpolation</title> |
| <link rel="help" href="https://drafts.fxtf.org/css-masking-1/#the-mask-position"> |
| <meta name="assert" content="mask-position supports animation"> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/css/support/interpolation-testcommon.js"></script> |
| |
| <style> |
| .container { |
| display: inline-block; |
| border: 2px solid black; |
| } |
| .parent { |
| mask-position: 30px 10px; |
| } |
| .target { |
| width: 120px; |
| height: 120px; |
| mask-position: 10px 30px; |
| } |
| </style> |
| |
| <body> |
| <template id="target-template"> |
| <div class="container"> |
| <div class="target"></div> |
| </div> |
| </template> |
| <script> |
| // neutral |
| test_interpolation({ |
| property: 'mask-position', |
| from: neutralKeyframe, |
| to: '20px 20px', |
| }, [ |
| {at: -0.25, expect: '7.5px 32.5px'}, |
| {at: 0, expect: '10px 30px'}, |
| {at: 0.25, expect: '12.5px 27.5px'}, |
| {at: 0.5, expect: '15px 25px'}, |
| {at: 0.75, expect: '17.5px 22.5px'}, |
| {at: 1, expect: '20px 20px'}, |
| {at: 1.25, expect: '22.5px 17.5px'}, |
| ]); |
| |
| // initial |
| test_interpolation({ |
| property: 'mask-position', |
| from: 'initial', |
| to: '20px 20px', |
| }, [ |
| {at: -0.25, expect: 'calc(0% - 5px) calc(0% - 5px)'}, |
| {at: 0, expect: '0% 0%'}, |
| {at: 0.25, expect: 'calc(0% + 5px) calc(0% + 5px)'}, |
| {at: 0.5, expect: 'calc(0% + 10px) calc(0% + 10px)'}, |
| {at: 0.75, expect: 'calc(0% + 15px) calc(0% + 15px)'}, |
| {at: 1, expect: 'calc(0% + 20px) calc(0% + 20px)'}, |
| {at: 1.25, expect:'calc(0% + 25px) calc(0% + 25px)'}, |
| ]); |
| |
| // inherit |
| test_interpolation({ |
| property: 'mask-position', |
| from: 'inherit', |
| to: '20px 20px', |
| }, [ |
| {at: -0.25, expect: '32.5px 7.5px'}, |
| {at: 0, expect: '30px 10px'}, |
| {at: 0.25, expect: '27.5px 12.5px'}, |
| {at: 0.5, expect: '25px 15px'}, |
| {at: 0.75, expect: '22.5px 17.5px'}, |
| {at: 1, expect: '20px 20px'}, |
| {at: 1.25, expect: '17.5px 22.5px'}, |
| ]); |
| |
| // unset |
| test_interpolation({ |
| property: 'mask-position', |
| from: 'unset', |
| to: '20px 20px', |
| }, [ |
| {at: -0.25, expect: 'calc(0% - 5px) calc(0% - 5px)'}, |
| {at: 0, expect: '0% 0%'}, |
| {at: 0.25, expect: 'calc(0% + 5px) calc(0% + 5px)'}, |
| {at: 0.5, expect: 'calc(0% + 10px) calc(0% + 10px)'}, |
| {at: 0.75, expect: 'calc(0% + 15px) calc(0% + 15px)'}, |
| {at: 1, expect: 'calc(0% + 20px) calc(0% + 20px)'}, |
| {at: 1.25, expect:'calc(0% + 25px) calc(0% + 25px)'}, |
| ]); |
| |
| // Test equal number of position values as background images. |
| test_interpolation({ |
| property: 'mask-position', |
| from: '0px 0px, 0px 0px, 0px 0px, 0px 0px', |
| to: '80px 80px, 80px 80px, 80px 80px, 80px 80px', |
| }, [ |
| {at: -0.25, expect: '-20px -20px, -20px -20px, -20px -20px, -20px -20px'}, |
| {at: 0, expect: ' 0px 0px, 0px 0px, 0px 0px, 0px 0px'}, |
| {at: 0.25, expect: ' 20px 20px, 20px 20px, 20px 20px, 20px 20px'}, |
| {at: 0.5, expect: ' 40px 40px, 40px 40px, 40px 40px, 40px 40px'}, |
| {at: 0.75, expect: ' 60px 60px, 60px 60px, 60px 60px, 60px 60px'}, |
| {at: 1, expect: ' 80px 80px, 80px 80px, 80px 80px, 80px 80px'}, |
| {at: 1.25, expect: '100px 100px, 100px 100px, 100px 100px, 100px 100px'}, |
| ]); |
| |
| // Test single position value repeated over background images. |
| test_interpolation({ |
| property: 'mask-position', |
| from: 'top 0px left 0px', |
| to: 'left 80px top 80px', |
| }, [ |
| {at: -0.25, expect: '-20px -20px'}, |
| {at: 0, expect: ' 0px 0px'}, |
| {at: 0.25, expect: ' 20px 20px'}, |
| {at: 0.5, expect: ' 40px 40px'}, |
| {at: 0.75, expect: ' 60px 60px'}, |
| {at: 1, expect: ' 80px 80px'}, |
| {at: 1.25, expect: '100px 100px'}, |
| ]); |
| |
| // Test mismatched numbers of position values. |
| test_interpolation({ |
| property: 'mask-position', |
| from: '0px 0px, 80px 0px', |
| to: '40px 40px, 80px 80px, 0px 80px', |
| }, [ |
| {at: -0.25, expect: |
| '-10px -10px, 80px -20px, 0px -20px, 90px -10px, -20px -20px, 100px -20px'}, |
| {at: 0, expect: |
| ' 0px 0px, 80px 0px, 0px 0px, 80px 0px, 0px 0px, 80px 0px'}, |
| {at: 0.25, expect: |
| ' 10px 10px, 80px 20px, 0px 20px, 70px 10px, 20px 20px, 60px 20px'}, |
| {at: 0.5, expect: |
| ' 20px 20px, 80px 40px, 0px 40px, 60px 20px, 40px 40px, 40px 40px'}, |
| {at: 0.75, expect: |
| ' 30px 30px, 80px 60px, 0px 60px, 50px 30px, 60px 60px, 20px 60px'}, |
| {at: 1, expect: |
| ' 40px 40px, 80px 80px, 0px 80px, 40px 40px, 80px 80px, 0px 80px'}, |
| {at: 1.25, expect: |
| ' 50px 50px, 80px 100px, 0px 100px, 30px 50px, 100px 100px, -20px 100px'}, |
| ]); |
| </script> |
| </body> |
