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<!DOCTYPE html>
<meta charset="UTF-8">
<title>mask-image-interpolation</title>
<link rel="help" href="https://drafts.fxtf.org/css-masking-1/#the-mask-image">
<meta name="assert" content="mask-image supports animation">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/interpolation-testcommon.js"></script>
<style>
.parent {
mask-image: url(../resources/blue-20.png);
}
.target {
width: 20px;
height: 20px;
display: inline-block;
background-color: black;
mask-image: url(../resources/stripes-20.png);
}
.expected {
background-color: green;
margin-right: 10px;
}
</style>
<body>
<script>
// neutral
test_interpolation({
property: 'mask-image',
from: neutralKeyframe,
to: 'url(../resources/green-20.png)',
}, [
{at: -0.3, expect: 'url(../resources/stripes-20.png)'},
{at: 0, expect: 'url(../resources/stripes-20.png)'},
{at: 0.3, expect: 'url(../resources/stripes-20.png)'},
{at: 0.6, expect: 'url(../resources/green-20.png)'},
{at: 1, expect: 'url(../resources/green-20.png)'},
{at: 1.5, expect: 'url(../resources/green-20.png)'},
]);
// initial
test_interpolation({
property: 'mask-image',
from: 'initial',
to: 'url(../resources/green-20.png)',
}, [
{at: -0.3, expect: 'none'},
{at: 0, expect: 'none'},
{at: 0.3, expect: 'none'},
{at: 0.6, expect: 'url(../resources/green-20.png)'},
{at: 1, expect: 'url(../resources/green-20.png)'},
{at: 1.5, expect: 'url(../resources/green-20.png)'},
]);
// inherit
test_interpolation({
property: 'mask-image',
from: 'inherit',
to: 'url(../resources/green-20.png)',
}, [
{at: -0.3, expect: 'url(../resources/blue-20.png)'},
{at: 0, expect: 'url(../resources/blue-20.png)'},
{at: 0.3, expect: 'url(../resources/blue-20.png)'},
{at: 0.6, expect: 'url(../resources/green-20.png)'},
{at: 1, expect: 'url(../resources/green-20.png)'},
{at: 1.5, expect: 'url(../resources/green-20.png)'},
]);
// unset
test_interpolation({
property: 'mask-image',
from: 'unset',
to: 'url(../resources/stripes-20.png)',
}, [
{at: -0.3, expect: 'none'},
{at: 0, expect: 'none'},
{at: 0.3, expect: 'none'},
{at: 0.6, expect: 'url(../resources/stripes-20.png)'},
{at: 1, expect: 'url(../resources/stripes-20.png)'},
{at: 1.5, expect: 'url(../resources/stripes-20.png)'},
]);
// Image to image
test_interpolation({
property: 'mask-image',
from: 'url(../resources/stripes-20.png)',
to: 'url(../resources/blue-20.png)',
}, [
{at: -0.3, expect: 'url(../resources/stripes-20.png)'},
{at: 0, expect: 'url(../resources/stripes-20.png)'},
{at: 0.3, expect: 'url(../resources/stripes-20.png)'},
{at: 0.6, expect: 'url(../resources/blue-20.png)'},
{at: 1, expect: 'url(../resources/blue-20.png)'},
{at: 1.5, expect: 'url(../resources/blue-20.png)'},
]);
//Image to gradient
test_interpolation({
property: 'mask-image',
from: 'url(../resources/stripes-20.png)',
to: 'linear-gradient(45deg, blue, transparent)'
}, [
{at: -0.3, expect: 'url(../resources/stripes-20.png)'},
{at: 0, expect: 'url(../resources/stripes-20.png)'},
{at: 0.3, expect: 'url(../resources/stripes-20.png)'},
{at: 0.6, expect: 'linear-gradient(45deg, blue, transparent)'},
{at: 1, expect: 'linear-gradient(45deg, blue, transparent)'},
{at: 1.5, expect: 'linear-gradient(45deg, blue, transparent)'},
]);
// Keyword to image
test_interpolation({
property: 'mask-image',
from: 'none',
to: 'url(../resources/green-20.png)',
}, [
{at: -0.3, expect: 'none'},
{at: 0, expect: 'none'},
{at: 0.3, expect: 'none'},
{at: 0.6, expect: 'url(../resources/green-20.png)'},
{at: 1, expect: 'url(../resources/green-20.png)'},
{at: 1.5, expect: 'url(../resources/green-20.png)'},
]);
// Multiple to multiple
var fromA = 'url(../resources/stripes-20.png)';
var fromB = 'linear-gradient(-45deg, blue, transparent)';
var toA = 'url(../resources/blue-20.png)';
var toB = 'url(../resources/stripes-20.png)';
var from = fromA + ', ' + fromB;
var to = toA + ', ' + toB;
test_interpolation({
property: 'mask-image',
from: from,
to: to,
}, [
{at: -0.3, expect: from},
{at: 0, expect: from},
{at: 0.3, expect: from},
{at: 0.6, expect: to},
{at: 1, expect: to},
{at: 1.5, expect: to},
]);
// Single to multiple
from = 'url(../resources/blue-20.png)';
toA = 'url(../resources/stripes-20.png)';
toB = 'url(../resources/blue-20.png)';
to = toA + ', ' + toB;
test_interpolation({
property: 'mask-image',
from: from,
to: to,
}, [
{at: -0.3, expect: from},
{at: 0, expect: from},
{at: 0.3, expect: from},
{at: 0.6, expect: to},
{at: 1, expect: to},
{at: 1.5, expect: to},
]);
// Multiple mismatched types
test_interpolation({
property: 'mask-image',
from: 'url(../resources/blue-20.png), none',
to: 'url(../resources/stripes-20.png), url(../resources/blue-20.png)',
}, [
{at: -0.3, expect: from},
{at: 0, expect: from},
{at: 0.3, expect: from},
{at: 0.6, expect: to},
{at: 1, expect: to},
{at: 1.5, expect: to},
]);
</script>
</body>
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