| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>filter interpolation</title> |
| <link rel="help" href="https://drafts.fxtf.org/filter-effects/#FilterProperty"> |
| <meta name="assert" content="lacuna matches spec."> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/css/support/interpolation-testcommon.js"></script> |
| <style> |
| .target { |
| display: inline-block; |
| width: 50px; |
| height: 50px; |
| background-color: green; |
| color: white; |
| margin-right: 2px; |
| filter: hue-rotate(10deg); |
| } |
| .expected { |
| margin-right: 20px; |
| } |
| .test { |
| padding-bottom: 10px; |
| } |
| </style> |
| </head> |
| <body> |
| <script> |
| 'use strict'; |
| |
| test_interpolation({ |
| property: 'filter', |
| from: 'none', // lacuna is 0px |
| to: 'blur(10px)' |
| }, [ |
| {at: -1, expect: 'blur(0px)'}, // Negative values are not allowed. |
| {at: 0, expect: 'blur(0px)'}, |
| {at: 0.5, expect: 'blur(5px)'}, |
| {at: 1, expect: 'blur(10px)'}, |
| {at: 1.5, expect: 'blur(15px)'} |
| ]); |
| |
| test_interpolation({ |
| property: 'filter', |
| from: 'brightness(0)', |
| to: 'none' // lacuna is 1 |
| }, [ |
| {at: -1, expect: 'brightness(0)'}, // Negative values are not allowed. |
| {at: 0, expect: 'brightness(0)'}, |
| {at: 0.5, expect: 'brightness(0.5)'}, |
| {at: 1, expect: 'brightness(1)'}, |
| {at: 1.5, expect: 'brightness(1.5)'} |
| ]); |
| |
| test_interpolation({ |
| property: 'filter', |
| from: 'contrast(0)', |
| to: 'none' // lacuna is 1 |
| }, [ |
| {at: -1, expect: 'contrast(0)'}, // Negative values are not allowed. |
| {at: 0, expect: 'contrast(0)'}, |
| {at: 0.5, expect: 'contrast(0.5)'}, |
| {at: 1, expect: 'contrast(1)'}, |
| {at: 1.5, expect: 'contrast(1.5)'} |
| ]); |
| |
| test_interpolation({ |
| property: 'filter', |
| from: 'none', // lacuna is drop-shadow(0px 0px 0px transparent) |
| to: 'drop-shadow(20px 10px green)' |
| }, [ |
| {at: -1, expect: 'drop-shadow(-20px -10px transparent)'}, |
| {at: 0, expect: 'drop-shadow(0px 0px 0px transparent)'}, |
| {at: 0.5, expect: 'drop-shadow(10px 5px rgba(0, 128, 0, 0.5))'}, |
| {at: 1, expect: 'drop-shadow(20px 10px green)'}, |
| {at: 1.5, expect: 'drop-shadow(30px 15px #00C000)'} |
| ]); |
| |
| test_interpolation({ |
| property: 'filter', |
| from: 'none', // lacuna is 0 |
| to: 'grayscale(1)' |
| }, [ |
| {at: -1, expect: 'grayscale(0)'}, // Negative values are not allowed. |
| {at: 0, expect: 'grayscale(0)'}, |
| {at: 0.5, expect: 'grayscale(0.5)'}, |
| {at: 1, expect: 'grayscale(1)'}, |
| {at: 1.5, expect: 'grayscale(1)'} // Should clamp values to 1. |
| ]); |
| |
| test_interpolation({ |
| property: 'filter', |
| from: 'none', // lacuna is 0deg |
| to: 'hue-rotate(360deg)' |
| }, [ |
| {at: -1, expect: 'hue-rotate(-360deg)'}, |
| {at: 0, expect: 'hue-rotate(0deg)'}, |
| {at: 0.5, expect: 'hue-rotate(180deg)'}, |
| {at: 1, expect: 'hue-rotate(360deg)'}, |
| {at: 1.5, expect: 'hue-rotate(540deg)'} |
| ]); |
| |
| test_interpolation({ |
| property: 'filter', |
| from: 'none', // lacuna is 0 |
| to: 'invert(1)' |
| }, [ |
| {at: -1, expect: 'invert(0)'}, // Negative values are not allowed. |
| {at: 0, expect: 'invert(0)'}, |
| {at: 0.5, expect: 'invert(0.5)'}, |
| {at: 1, expect: 'invert(1)'}, |
| {at: 1.5, expect: 'invert(1)'} // Should clamp values to 1. |
| ]); |
| |
| test_interpolation({ |
| property: 'filter', |
| from: 'opacity(0)', |
| to: 'none' // lacuna is 1 |
| }, [ |
| {at: -1, expect: 'opacity(0)'}, // Negative values are not allowed. |
| {at: 0, expect: 'opacity(0)'}, |
| {at: 0.5, expect: 'opacity(0.5)'}, |
| {at: 1, expect: 'opacity(1)'}, |
| {at: 1.5, expect: 'opacity(1)'} // Should clamp values to 1. |
| ]); |
| |
| test_interpolation({ |
| property: 'filter', |
| from: 'saturate(0)', |
| to: 'none' // lacuna is 1 |
| }, [ |
| {at: -1, expect: 'saturate(0)'}, // Negative values are not allowed. |
| {at: 0, expect: 'saturate(0)'}, |
| {at: 0.5, expect: 'saturate(0.5)'}, |
| {at: 1, expect: 'saturate(1)'}, |
| {at: 1.5, expect: 'saturate(1.5)'} |
| ]); |
| |
| test_interpolation({ |
| property: 'filter', |
| from: 'none', // lacuna is 0 |
| to: 'sepia(1)' |
| }, [ |
| {at: -1, expect: 'sepia(0)'}, // Negative values are not allowed. |
| {at: 0, expect: 'sepia(0)'}, |
| {at: 0.5, expect: 'sepia(0.5)'}, |
| {at: 1, expect: 'sepia(1)'}, |
| {at: 1.5, expect: 'sepia(1)'} // Should clamp values to 1. |
| ]); |
| |
| test_no_interpolation({ |
| property: 'filter', |
| from: 'url("#svgfilter")', |
| to: 'none', // lacuna is not defined |
| }); |
| |
| test_no_interpolation({ |
| property: 'filter', |
| from: 'url("#svgfilter")', |
| to: 'blur(5px)', |
| }); |
| |
| test_interpolation({ |
| property: 'filter', |
| from: 'initial', // lacuna is 0 |
| to: 'sepia(1)' |
| }, [ |
| {at: -1, expect: 'sepia(0)'}, // Negative values are not allowed. |
| {at: 0, expect: 'sepia(0)'}, // Equivalent to sepia(0) |
| {at: 0.5, expect: 'sepia(0.5)'}, |
| {at: 1, expect: 'sepia(1)'}, |
| {at: 1.5, expect: 'sepia(1)'} // Should clamp values to 1. |
| ]); |
| </script> |
| </body> |
| </html> |
