| <!DOCTYPE html> |
| <meta charset="UTF-8"> |
| <style> |
| .target { |
| width: 50px; |
| height: 50px; |
| background-color: lightskyblue; |
| color: white; |
| } |
| .container { |
| border: solid black 5px; |
| background: white; |
| display: inline-block; |
| -webkit-filter: sepia(0.5); |
| } |
| .container:nth-child(2n) { |
| border-color: green; |
| } |
| .test { |
| padding-bottom: 10px; |
| } |
| </style> |
| <body> |
| <svg style="display:none"><filter id="svgfilter"><feGaussianBlur stdDeviation="5"></feGaussianBlur></filter></svg> |
| <template id="target-template"> |
| <div class="container"><div class="target"></div></div> |
| </template> |
| <script src="resources/interpolation-test.js"></script> |
| <script> |
| // Matching lists: |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'hue-rotate(0deg) blur(6px)', |
| to: 'hue-rotate(180deg) blur(10px)' |
| }, [ |
| {at: -0.5, is: 'hue-rotate(-90deg) blur(4px)'}, |
| {at: 0, is: 'hue-rotate(0deg) blur(6px)'}, |
| {at: 0.25, is: 'hue-rotate(45deg) blur(7px)'}, |
| {at: 0.5, is: 'hue-rotate(90deg) blur(8px)'}, |
| {at: 1, is: 'hue-rotate(180deg) blur(10px)'}, |
| {at: 1.5, is: 'hue-rotate(270deg) blur(12px)'} |
| ]); |
| |
| // Matching lists with differing units: |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'hue-rotate(80deg) blur(6mm)', |
| to: 'hue-rotate(100grad) blur(1cm)' |
| }, [ |
| {at: -0.5, is: 'hue-rotate(75deg) blur(4mm)'}, |
| {at: 0, is: 'hue-rotate(80deg) blur(6mm)'}, |
| {at: 0.25, is: 'hue-rotate(82.5deg) blur(7mm)'}, |
| {at: 0.5, is: 'hue-rotate(85deg) blur(8mm)'}, |
| {at: 1, is: 'hue-rotate(90deg) blur(10mm)'}, |
| {at: 1.5, is: 'hue-rotate(95deg) blur(12mm)'} |
| ]); |
| |
| // Mismatched lists: |
| assertNoInterpolation({ |
| property: '-webkit-filter', |
| from: 'grayscale(0) blur(0px)', |
| to: 'blur(10px)' |
| }); |
| |
| // Partially matching lists: |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'blur(6px)', |
| to: 'blur(10px) hue-rotate(180deg)' |
| }, [ |
| {at: -0.5, is: 'blur(4px) hue-rotate(-90deg)'}, |
| {at: 0, is: 'blur(6px) hue-rotate(0deg)'}, |
| {at: 0.25, is: 'blur(7px) hue-rotate(45deg)'}, |
| {at: 0.5, is: 'blur(8px) hue-rotate(90deg)'}, |
| {at: 1, is: 'blur(10px) hue-rotate(180deg)'}, |
| {at: 1.5, is: 'blur(12px) hue-rotate(270deg)'}, |
| ]); |
| |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'none', |
| to: 'hue-rotate(180deg)' |
| }, [ |
| {at: -0.5, is: 'hue-rotate(-90deg)'}, |
| {at: 0, is: 'hue-rotate(0deg)'}, |
| {at: 0.25, is: 'hue-rotate(45deg)'}, |
| {at: 0.5, is: 'hue-rotate(90deg)'}, |
| {at: 1, is: 'hue-rotate(180deg)'}, |
| {at: 1.5, is: 'hue-rotate(270deg)'}, |
| ]); |
| |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'hue-rotate(180deg)', |
| to: 'none' |
| }, [ |
| {at: -0.5, is: 'hue-rotate(270deg)'}, |
| {at: 0, is: 'hue-rotate(180deg)'}, |
| {at: 0.25, is: 'hue-rotate(135deg)'}, |
| {at: 0.5, is: 'hue-rotate(90deg)'}, |
| {at: 1, is: 'hue-rotate(0deg)'}, |
| {at: 1.5, is: 'hue-rotate(-90deg)'}, |
| ]); |
| |
| // Filter functions (tests lacuna and clamping): |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'none', // lacuna is 0px |
| to: 'blur(10px)' |
| }, [ |
| {at: -1, is: 'blur(0px)'}, // Negative values are not allowed. |
| {at: 0, is: 'blur(0px)'}, |
| {at: 0.5, is: 'blur(5px)'}, |
| {at: 1, is: 'blur(10px)'}, |
| {at: 1.5, is: 'blur(15px)'} |
| ]); |
| |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'brightness(0)', |
| to: 'none' // lacuna is 1 |
| }, [ |
| {at: -1, is: 'brightness(0)'}, // Negative values are not allowed. |
| {at: 0, is: 'brightness(0)'}, |
| {at: 0.5, is: 'brightness(0.5)'}, |
| {at: 1, is: 'brightness(1)'}, |
| {at: 1.5, is: 'brightness(1.5)'} |
| ]); |
| |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'contrast(0)', |
| to: 'none' // lacuna is 1 |
| }, [ |
| {at: -1, is: 'contrast(0)'}, // Negative values are not allowed. |
| {at: 0, is: 'contrast(0)'}, |
| {at: 0.5, is: 'contrast(0.5)'}, |
| {at: 1, is: 'contrast(1)'}, |
| {at: 1.5, is: 'contrast(1.5)'} |
| ]); |
| |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'none', // lacuna is drop-shadow(0px 0px 0px transparent) |
| to: 'drop-shadow(20px 10px green)' |
| }, [ |
| {at: -1, is: 'drop-shadow(-20px -10px transparent)'}, |
| {at: 0, is: 'none'}, |
| {at: 0.5, is: 'drop-shadow(10px 5px rgba(0, 127, 0, 0.5))'}, |
| {at: 1, is: 'drop-shadow(20px 10px green)'}, |
| {at: 1.5, is: 'drop-shadow(30px 15px #00C000)'} |
| ]); |
| |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'drop-shadow(0px 0px 0px currentcolor)', |
| to: 'drop-shadow(20px 10px green)' |
| }, [ |
| {at: -1, is: 'drop-shadow(-20px -10px white)'}, |
| {at: 0, is: 'drop-shadow(0px 0px 0px currentcolor)'}, |
| {at: 0.5, is: 'drop-shadow(10px 5px #80C080)'}, |
| {at: 1, is: 'drop-shadow(20px 10px green)'}, |
| {at: 1.5, is: 'drop-shadow(30px 15px #004100)'} |
| ]); |
| |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'none', // lacuna is 0 |
| to: 'grayscale(1)' |
| }, [ |
| {at: -1, is: 'grayscale(0)'}, // Negative values are not allowed. |
| {at: 0, is: 'grayscale(0)'}, |
| {at: 0.5, is: 'grayscale(0.5)'}, |
| {at: 1, is: 'grayscale(1)'}, |
| {at: 1.5, is: 'grayscale(1)'} // Should clamp values to 1. |
| ]); |
| |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'none', // lacuna is 0deg |
| to: 'hue-rotate(360deg)' |
| }, [ |
| {at: -1, is: 'hue-rotate(-360deg)'}, |
| {at: 0, is: 'hue-rotate(0deg)'}, |
| {at: 0.5, is: 'hue-rotate(180deg)'}, |
| {at: 1, is: 'hue-rotate(360deg)'}, |
| {at: 1.5, is: 'hue-rotate(540deg)'} |
| ]); |
| |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'none', // lacuna is 0 |
| to: 'invert(1)' |
| }, [ |
| {at: -1, is: 'invert(0)'}, // Negative values are not allowed. |
| {at: 0, is: 'invert(0)'}, |
| {at: 0.5, is: 'invert(0.5)'}, |
| {at: 1, is: 'invert(1)'}, |
| {at: 1.5, is: 'invert(1)'} // Should clamp values to 1. |
| ]); |
| |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'opacity(0)', |
| to: 'none' // lacuna is 1 |
| }, [ |
| {at: -1, is: 'opacity(0)'}, // Negative values are not allowed. |
| {at: 0, is: 'opacity(0)'}, |
| {at: 0.5, is: 'opacity(0.5)'}, |
| {at: 1, is: 'opacity(1)'}, |
| {at: 1.5, is: 'opacity(1)'} // Should clamp values to 1. |
| ]); |
| |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'saturate(0)', |
| to: 'none' // lacuna is 1 |
| }, [ |
| {at: -1, is: 'saturate(0)'}, // Negative values are not allowed. |
| {at: 0, is: 'saturate(0)'}, |
| {at: 0.5, is: 'saturate(0.5)'}, |
| {at: 1, is: 'saturate(1)'}, |
| {at: 1.5, is: 'saturate(1.5)'} |
| ]); |
| |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'none', // lacuna is 0 |
| to: 'sepia(1)' |
| }, [ |
| {at: -1, is: 'sepia(0)'}, // Negative values are not allowed. |
| {at: 0, is: 'sepia(0)'}, |
| {at: 0.5, is: 'sepia(0.5)'}, |
| {at: 1, is: 'sepia(1)'}, |
| {at: 1.5, is: 'sepia(1)'} // Should clamp values to 1. |
| ]); |
| |
| assertNoInterpolation({ |
| property: '-webkit-filter', |
| from: 'url(#svgfilter)', |
| to: 'none', // lacuna is not defined |
| }); |
| |
| assertNoInterpolation({ |
| property: '-webkit-filter', |
| from: 'url(#svgfilter)', |
| to: 'blur(5px)', |
| }); |
| |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'initial', // lacuna is 0 |
| to: 'sepia(1)' |
| }, [ |
| {at: -1, is: 'sepia(0)'}, // Negative values are not allowed. |
| {at: 0, is: 'none'}, // Equivalent to sepia(0) |
| {at: 0.5, is: 'sepia(0.5)'}, |
| {at: 1, is: 'sepia(1)'}, |
| {at: 1.5, is: 'sepia(1)'} // Should clamp values to 1. |
| ]); |
| |
| assertInterpolation({ |
| property: '-webkit-filter', |
| from: 'inherit', |
| to: 'sepia(1)' |
| }, [ |
| {at: -1, is: 'sepia(0)'}, |
| {at: 0, is: 'sepia(0.5)'}, |
| {at: 0.5, is: 'sepia(0.75)'}, |
| {at: 1, is: 'sepia(1)'}, |
| {at: 1.5, is: 'sepia(1)'} // Should clamp values to 1. |
| ]); |
| </script> |
| </body> |
