gecko-dev/layout/reftests/svg/filters/filter-filterRes-low-01.svg

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<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/licenses/publicdomain/
-->
<svg xmlns="http://www.w3.org/2000/svg" version="1.0">
<desc>
This test checks that the implicit offscreen surface scaling implied by
a high 'filterRes' interacts correctly with other transforms. Specifically
you should see only green if the red filtered circle paints only on
the pixels that it should paint on.
</desc>
<filter id="filter" x="0" y="0" width="1" height="1" filterRes="50 50">
<feGaussianBlur stdDeviation="0.001"/>
</filter>
<rect width="100%" height="100%" fill="lime"/>
<g transform="translate(50, 0)">
<!-- The filterRes is quartered, so we need r to be 5 pixels less, plus
one less for antialiasing, otherwise the circle will get fringe effects. -->
<circle fill="red" cx="100" cy="100" r="94" transform="translate(50, 0)" filter="url(#filter)"/>
</g>
<circle fill="lime" cx="200" cy="100" r="100"/>
</svg>