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<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<svg xmlns="http://www.w3.org/2000/svg">
<title>Testcase for Filter Effects Module Level 1 feDropShadow</title>
<defs>
<!-- check default values -->
<filter id="dropShadow1">
<feDropShadow flood-color="green"/>
</filter>
<!-- check negative dx, dy -->
<filter id="dropShadow2">
<feDropShadow stdDeviation="5" dx="-2" dy="-5" flood-color="green"/>
</filter>
<!-- check flood-opacity and non-default values -->
<filter id="dropShadow3">
<feDropShadow stdDeviation="2 5" dx="5" dy="5" flood-color="green" flood-opacity="0.2"/>
</filter>
<!-- check sRGB -->
<filter id="dropShadow4" color-interpolation-filters="sRGB">
<feDropShadow stdDeviation="5" dx="5" dy="5" flood-color="green"/>
</filter>
<!-- check sourceAlpha input -->
<filter id="dropShadow5">
<feDropShadow in="SourceAlpha" flood-color="green"/>
</filter>
<!-- check negative stdDeviation (should not display anything) -->
<filter id="dropShadow6">
<feDropShadow stdDeviation="-2" flood-color="green"/>
</filter>
</defs>
<g fill="yellow" transform="translate(10,10)">
<circle cx="75" cy="75" r="70" filter="url(#dropShadow1)" />
<circle cx="250" cy="75" r="70" filter="url(#dropShadow2)" />
<circle cx="425" cy="75" r="70" filter="url(#dropShadow3)" />
<circle cx="600" cy="75" r="70" filter="url(#dropShadow4)" />
<circle cx="75" cy="250" r="70" filter="url(#dropShadow5)" />
<circle cx="250" cy="250" r="70" filter="url(#dropShadow6)" />
</g>
</svg>
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