svg-feoffset-001.html
<!DOCTYPE html>
<html>
<head>
<title>Filter Effects Test: feOffset applied to SVG rect element</title>
<link rel="author" title="Dirk Schulze" href="mailto:dschulze@adobe.com">
<link rel="help" href="http://www.w3.org/TR/filter-effects-1/#feOffsetElement">
<link rel="match" href="reference/svg-feoffset-ref.html">
<meta name="flags" content="svg">
<meta name="assert" content="The offset filter primitive will translate the rect by -100 pixels in each direction. - The rect is black to avoid color interpolation issues.">
<style type="text/css">
svg {
width: 500px;
height: 500px;
}
</style>
</head>
<body>
<p>The test passes if you see a black square and no red.</p>
<svg>
<defs>
<filter filterUnits="userSpaceOnUse" id="filter" x="0" y="0" width="400" height="400">
<feOffset dx="-100" dy="-100"/>
</filter>
</defs>
<rect x="1" y="1" width="298" height="298" fill="red"/>
<rect x="100" y="100" width="300" height="300" fill="black" filter="url(#filter)"/>
</svg>
</body>
</html>
