200 lines
7.3 KiB
HTML
200 lines
7.3 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>offset-distance basic-shape interpolation</title>
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<link rel="author" title="Daniil Sakhapov" href="mailto:sakhapov@chromium.org">
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<link rel="help" href="https://drafts.fxtf.org/motion/#valdef-offset-path-basic-shape">
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<meta name="assert" content="offset-path basic shape supports animation.">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/css/support/interpolation-testcommon.js"></script>
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</head>
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<style>
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.parent {
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offset-path: ellipse(10% 10% at 50% 50%);
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}
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.target {
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offset-path: circle(10px);
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}
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</style>
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<body>
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<script>
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'use strict';
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test_no_interpolation({
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property: 'offset-path',
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from: "circle(10px)",
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to: "inset(20px)",
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});
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test_no_interpolation({
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property: 'offset-path',
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from: "ellipse(at center)",
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to: "none",
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});
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// Neutral keyframes use the inline style.
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test_interpolation({
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property: 'offset-path',
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from: neutralKeyframe,
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to: 'circle(20px)',
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}, [
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{at: -0.3, expect: 'circle(7px)'},
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{at: 0, expect: 'circle(10px)'},
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{at: 0.3, expect: 'circle(13px)'},
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{at: 0.6, expect: 'circle(16px)'},
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{at: 1, expect: 'circle(20px)'},
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{at: 1.5, expect: 'circle(25px)'},
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]);
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// No interpolation to an ellipse from the initial value 'none'.
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test_no_interpolation({
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property: 'offset-path',
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from: 'initial',
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to: 'ellipse()',
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});
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// 'inherit' keyframes use the parent style.
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test_interpolation({
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property: 'offset-path',
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from: 'inherit',
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to: 'ellipse(40% 50% at 25% 25%)',
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}, [
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{at: -0.3, expect: 'ellipse(1% 0% at 57.5% 57.5%)'},
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{at: 0, expect: 'ellipse(10% 10% at 50% 50%)'},
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{at: 0.3, expect: 'ellipse(19% 22% at 42.5% 42.5%)'},
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{at: 0.6, expect: 'ellipse(28% 34% at 35% 35%)'},
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{at: 1, expect: 'ellipse(40% 50% at 25% 25%)'},
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{at: 1.5, expect: 'ellipse(55% 70% at 12.5% 12.5%)'},
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]);
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// No interpolation to an inset from the initial value 'none'.
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test_no_interpolation({
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property: 'offset-path',
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from: 'unset',
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to: 'inset(10%)',
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});
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// No interpolation to a rect from the initial value 'none'.
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test_no_interpolation({
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property: 'offset-path',
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from: 'none',
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to: 'rect(10px 10px 10px 10px)',
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});
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// Interpolation between shapes.
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test_interpolation({
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property: 'offset-path',
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from: 'inset(10px)',
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to: 'inset(20px round 50%)'
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}, [
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{at: -1, expect: 'inset(0px round 0%)'},
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{at: 0, expect: 'inset(10px round 0%)'},
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{at: 0.125, expect: 'inset(11.25px round 6.25%)'},
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{at: 0.875, expect: 'inset(18.75px round 43.75%)'},
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{at: 1, expect: 'inset(20px round 50%)'},
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{at: 2, expect: 'inset(30px round 100%)'},
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]);
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test_interpolation({
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property: 'offset-path',
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from: 'xywh(5px 5px 150% 150%)',
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to: 'xywh(10px 10px 100% 100%)'
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}, [
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{at: -1, expect: 'xywh(0px 0px 200% 200%)'},
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{at: 0, expect: 'xywh(5px 5px 150% 150%)'},
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{at: 0.125, expect: 'xywh(5.63px 5.63px 143.75% 143.75% )'},
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{at: 0.875, expect: 'xywh(9.38px 9.38px 106.25% 106.25%)'},
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{at: 1, expect: 'xywh(10px 10px 100% 100%)'},
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{at: 2, expect: 'xywh(15px 15px 50% 50%)'},
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]);
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test_interpolation({
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property: 'offset-path',
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from: 'rect(10px 100px 50% 10%)',
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to: 'rect(50px 200px 90% 50%)'
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}, [
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{at: -1, expect: 'rect(-30px 0px 10% -30%)'},
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{at: 0, expect: 'rect(10px 100px 50% 10%)'},
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{at: 0.125, expect: 'rect(15px 112.5px 55% 15%)'},
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{at: 0.875, expect: 'rect(45px 187.5px 85% 45%)'},
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{at: 1, expect: 'rect(50px 200px 90% 50%)'},
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{at: 2, expect: 'rect(90px 300px 130% 90%)'},
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]);
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test_interpolation({
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property: 'offset-path',
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from: 'rect(auto auto auto auto)',
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to: 'rect(80% 20% 20% 80%)'
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}, [
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{at: -1, expect: 'inset(-80%)'},
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{at: 0, expect: 'inset(0%)'},
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{at: 0.125, expect: 'inset(10%)'},
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{at: 0.875, expect: 'inset(70%)'},
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{at: 1, expect: 'inset(80%)'},
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{at: 2, expect: 'inset(160%)'},
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]);
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// All <basic-shape-rect>s compute to the equivalent inset() function, so
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// they are interpolatable.
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// https://drafts.csswg.org/css-shapes-1/#basic-shape-computed-values
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// https://github.com/w3c/csswg-drafts/issues/9053
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test_interpolation({
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property: 'offset-path',
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// The equivalent function is
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// "inset(5px calc(100% - 210px) calc(100% - 105px) 10px)".
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from: 'xywh(10px 10px 200px 100px)',
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to: 'inset(50px)'
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}, [
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{at: -1, expect: 'inset(-30px calc(200% - 470px) calc(200% - 270px) -30px)'},
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{at: 0, expect: 'inset(10px calc(100% - 210px) calc(100% - 110px) 10px)'},
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{at: 0.125, expect: 'inset(15px calc(87.5% - 177.5px) calc(87.5% - 90px) 15px)'},
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{at: 0.875, expect: 'inset(45px calc(12.5% + 17.5px) calc(12.5% + 30px) 45px)'},
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{at: 1, expect: 'inset(50px calc(0% + 50px) calc(0% + 50px) 50px)'},
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{at: 2, expect: 'inset(90px calc(-100% + 310px) calc(-100% + 210px) 90px)'},
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]);
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test_interpolation({
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property: 'offset-path',
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from: 'inset(10px)',
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// inset(50px calc(100% - 70px) 20% 20%).
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to: 'rect(50px 70px 80% 20%)',
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}, [
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{at: -1, expect: 'inset(-30px calc(-100% + 90px) calc(-20% + 20px) calc(-20% + 20px)'},
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{at: 0, expect: 'inset(10px calc(0% + 10px) calc(0% + 10px))'},
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{at: 0.125, expect: 'inset(15px 12.5% calc(2.5% + 8.75px) calc(2.5% + 8.75px))'},
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{at: 0.875, expect: 'inset(45px calc(87.5% - 60px) calc(17.5% + 1.25px) calc(17.5% + 1.25px))'},
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{at: 1, expect: 'inset(50px calc(100% - 70px) 20% 20%)'},
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{at: 2, expect: 'inset(90px calc(200% - 150px) calc(40% - 10px) calc(40% - 10px))'},
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]);
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test_interpolation({
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property: 'clip-path',
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// inset(10% calc(100% - 100px) 50% 0px round 20px).
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from: 'xywh(0px 10% 100px 40% round 20px)',
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// inset(20% 50% calc(100% - 200px) 20px).
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to: 'rect(20% 50% 200px 20px)',
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}, [
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{at: -1, expect: 'inset(0% calc(150% - 200px) calc(0% + 200px) -20px round 40px'},
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{at: 0, expect: 'inset(10% calc(100% - 100px) 50% 0px round 20px)'},
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{at: 0.125, expect: 'inset(11.25% calc(93.75% - 87.5px) calc(56.25% - 25px) 2.5px round 17.5px)'},
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{at: 0.875, expect: 'inset(18.75% calc(56.25% - 12.5px) calc(93.75% - 175px) 17.5px round 2.5px)'},
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{at: 1, expect: 'inset(20% 50% calc(100% - 200px) 20px)'},
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{at: 2, expect: 'inset(30% calc(0% + 100px) calc(150% - 400px) 40px)'},
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]);
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// No interpolation between different radius keywords.
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test_no_interpolation({
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property: 'offset-path',
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from: 'circle(farthest-side)',
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to: 'circle(closest-side)'
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});
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test_no_interpolation({
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property: 'offset-path',
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from: 'ellipse(closest-side farthest-side)',
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to: 'ellipse(closest-side closest-side)'
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});
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</script>
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</body>
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</html>
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