<!DOCTYPE html>
<html>
<head>
<title>filter function units are not scaled when applied to a scaled mask-image</title>
<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#funcdef-filter"/>
<link rel="help" href="https://drafts.fxtf.org/css-masking-1/#the-mask-mode"/>
<link rel="author" title="Mike Bremford" href="http://bfo.com/" />
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht"/>
<meta name="assert" content="The dimensions in the filter functions are absolute dimensions, and if the image they are applied to is scaled (as it is here due to being part of a mask-image), the units in the filters should not be scaled. The filter must be applied after scaling."/>
<style>
.test {
position: relative;
width: 100px;
height: 100px;
mask: filter(url(resources/green-transparent-20x10.png), drop-shadow(50px 0 0 black)) top left / 100px 100px no-repeat alpha;
-webkit-mask: filter(url(resources/green-transparent-20x10.png), drop-shadow(50px 0 0 black)) top left / 100px 100px no-repeat alpha;
}
.content {
width: 100px;
height: 100px;
background: green;
}
</style>
</head>
<body>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div class="test"><div class="content"></div></div>
</body>
</html>
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