103 lines
2.6 KiB
HTML
103 lines
2.6 KiB
HTML
<!DOCTYPE html>
|
|
<meta charset="utf-8">
|
|
<title>offset-rotate composition</title>
|
|
<link rel="author" title="Eric Willigers" href="mailto:ericwilligers@chromium.org">
|
|
<link rel="help" href="https://drafts.fxtf.org/motion-1/#offset-rotate-property">
|
|
<meta name="assert" content="offset-rotate supports animation.">
|
|
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
<script src="/css/support/interpolation-testcommon.js"></script>
|
|
|
|
<body>
|
|
<script>
|
|
// Angle rotations compose.
|
|
test_composition({
|
|
property: 'offset-rotate',
|
|
underlying: '20deg',
|
|
addFrom: '10deg',
|
|
addTo: '20deg',
|
|
}, [
|
|
{at: -0.3, expect: '27deg'},
|
|
{at: 0, expect: '30deg'},
|
|
{at: 0.3, expect: '33deg'},
|
|
{at: 0.6, expect: '36deg'},
|
|
{at: 1, expect: '40deg'},
|
|
{at: 1.5, expect: '45deg'},
|
|
]);
|
|
|
|
// Angle rotations don't compose with underlying 'auto'.
|
|
test_composition({
|
|
property: 'offset-rotate',
|
|
underlying: 'auto 20deg',
|
|
addFrom: '10deg',
|
|
addTo: '20deg',
|
|
}, [
|
|
{at: -0.3, expect: '7deg'},
|
|
{at: 0, expect: '10deg'},
|
|
{at: 0.3, expect: '13deg'},
|
|
{at: 0.6, expect: '16deg'},
|
|
{at: 1, expect: '20deg'},
|
|
{at: 1.5, expect: '25deg'},
|
|
]);
|
|
|
|
// Auto rotations compose with underlying 'auto'.
|
|
test_composition({
|
|
property: 'offset-rotate',
|
|
underlying: 'auto 20deg',
|
|
addFrom: 'reverse 10deg',
|
|
addTo: 'auto 20deg',
|
|
}, [
|
|
{at: -0.3, expect: 'auto 261deg'},
|
|
{at: 0, expect: 'auto 210deg'},
|
|
{at: 0.3, expect: 'auto 159deg'},
|
|
{at: 0.6, expect: 'auto 108deg'},
|
|
{at: 1, expect: 'auto 40deg'},
|
|
{at: 1.5, expect: 'auto -45deg'},
|
|
]);
|
|
|
|
// When we can't interpolate, we can't compose.
|
|
test_composition({
|
|
property: 'offset-rotate',
|
|
underlying: '20deg',
|
|
addFrom: 'reverse 10deg',
|
|
addTo: '20deg',
|
|
}, [
|
|
{at: -0.3, expect: 'auto 190deg'},
|
|
{at: 0, expect: 'auto 190deg'},
|
|
{at: 0.3, expect: 'auto 190deg'},
|
|
{at: 0.6, expect: '40deg'},
|
|
{at: 1, expect: '40deg'},
|
|
{at: 1.5, expect: '40deg'},
|
|
]);
|
|
|
|
test_composition({
|
|
property: 'offset-rotate',
|
|
underlying: '20deg',
|
|
replaceFrom: 'reverse 10deg',
|
|
addTo: '20deg',
|
|
}, [
|
|
{at: -0.3, expect: 'auto 190deg'},
|
|
{at: 0, expect: 'auto 190deg'},
|
|
{at: 0.3, expect: 'auto 190deg'},
|
|
{at: 0.6, expect: '40deg'},
|
|
{at: 1, expect: '40deg'},
|
|
{at: 1.5, expect: '40deg'},
|
|
]);
|
|
|
|
// Angle rotations compose with underlying angle.
|
|
test_composition({
|
|
property: 'offset-rotate',
|
|
underlying: '20deg',
|
|
addFrom: '10deg',
|
|
replaceTo: '10deg',
|
|
}, [
|
|
{at: -0.3, expect: '36deg'},
|
|
{at: 0, expect: '30deg'},
|
|
{at: 0.3, expect: '24deg'},
|
|
{at: 0.6, expect: '18deg'},
|
|
{at: 1, expect: '10deg'},
|
|
{at: 1.5, expect: '0deg'},
|
|
]);
|
|
</script>
|
|
</body>
|