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<!DOCTYPE html>
<meta charset="UTF-8">
<style>
.container {
display: inline-block;
}
.parent {
flood-opacity: 0.8;
}
.target {
flood-opacity: 0.6;
}
svg {
background: black;
}
rect {
fill: black;
filter: url(#test);
}
</style>
<body>
<template id="target-template">
<svg width="10" height="100">
<defs>
<filter id="test">
<feFlood x="0" y="0" width="10" height="100" flood-color="blue" class="target" />
</filter>
</defs>
<rect width="10" height="100"></rect>
</svg>
</template>
<script src="resources/interpolation-test.js"></script>
<script>
assertInterpolation({
property: 'flood-opacity',
from: '',
to: '0.4',
}, [
{at: -1, is: '0.8'},
{at: -0.25, is: '0.65'},
{at: 0, is: '0.6'},
{at: 0.25, is: '0.55'},
{at: 1, is: '0.4'},
{at: 1.25, is: '0.35'},
{at: 2, is: '0.2'},
]);
assertInterpolation({
property: 'flood-opacity',
from: 'initial',
to: '0.4',
}, [
{at: -1, is: '1'},
{at: -0.25, is: '1'},
{at: 0, is: '1'},
{at: 0.25, is: '0.85'},
{at: 1, is: '0.4'},
{at: 1.25, is: '0.25'},
{at: 2, is: '0'},
]);
assertInterpolation({
property: 'flood-opacity',
from: 'inherit',
to: '0.4',
}, [
{at: -1, is: '1'},
{at: -0.25, is: '0.9'},
{at: 0, is: '0.8'},
{at: 0.25, is: '0.7'},
{at: 1, is: '0.4'},
{at: 1.25, is: '0.3'},
{at: 2, is: '0'},
]);
assertInterpolation({
property: 'flood-opacity',
from: 'unset',
to: '0.4',
}, [
{at: -1, is: '1'},
{at: -0.25, is: '1'},
{at: 0, is: '1'},
{at: 0.25, is: '0.85'},
{at: 1, is: '0.4'},
{at: 1.25, is: '0.25'},
{at: 2, is: '0'},
]);
assertInterpolation({
property: 'flood-opacity',
from: '0.25',
to: '0.75'
}, [
{at: -1, is: '0'}, // SVG Opacity ranges from 0.0 to 1.0
{at: -0.25, is: '0.125'},
{at: 0, is: '0.25'},
{at: 0.25, is: '0.375'},
{at: 1, is: '0.75'},
{at: 1.25, is: '0.875'},
{at: 2, is: '1'}, // SVG Opacity ranges from 0.0 to 1.0
]);
</script>
</body>
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