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<svg version="1.1" baseProfile="basic" id="svg-root"
width="100%" height="100%" viewBox="0 0 480 360"
xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<!--======================================================================-->
<!--= SVG 1.1 2nd Edition Test Case =-->
<!--======================================================================-->
<!--= Copyright 2009 World Wide Web Consortium, (Massachusetts =-->
<!--= Institute of Technology, European Research Consortium for =-->
<!--= Informatics and Mathematics (ERCIM), Keio University). =-->
<!--= All Rights Reserved. =-->
<!--= See http://www.w3.org/Consortium/Legal/. =-->
<!--======================================================================-->
<d:SVGTestCase xmlns:d="http://www.w3.org/2000/02/svg/testsuite/description/"
template-version="1.4" reviewer="BB" author="CL" status="accepted"
version="$Revision: 1.7 $" testname="$RCSfile: filters-felem-01-b.svg,v $">
<d:testDescription xmlns="http://www.w3.org/1999/xhtml" href="http://www.w3.org/TR/SVG11/filters.html#FilterElement">
<p>
Test which verifies null filters and filter regions.
</p>
<p>
Four subtests each consist of a small red circle overdrawn with a larger green circle.
Filters are applied to three of the red circles, hiding them and showing the green circle.
</p>
<p>
The top left subtest has no filter applied to the circle, so the green circle is visible and the red one is not.
The top right subtest applies a filter to the red circle, but there is no corresponding filter element.
Thus, a null filter is applied and the red circle is not shown, allowing the green circle to be seen.
</p>
<p>
The bottom left subtest applies an empty filter element with the default filterRegion, and the bottom right
subtest applies an empty filter with a non-default filterRegion. In both cases where empty filters are applied,
the result of the filter is a transparent black offscreen, thus showing the green circle underneath.
</p>
</d:testDescription>
<d:operatorScript xmlns="http://www.w3.org/1999/xhtml">
<p>
Run the test. No interaction required.
</p>
</d:operatorScript>
<d:passCriteria xmlns="http://www.w3.org/1999/xhtml">
<p>
The test is passed if there are four green circles visible.
</p>
</d:passCriteria>
</d:SVGTestCase>
<title id="test-title">$RCSfile: filters-felem-01-b.svg,v $</title>
<defs>
<font-face font-family="SVGFreeSansASCII" unicode-range="U+0-7F">
<font-face-src>
<font-face-uri xlink:href="../resources/SVGFreeSans.svg#ascii"/>
</font-face-src>
</font-face>
</defs>
<g id="test-body-content" font-family="SVGFreeSansASCII,sans-serif" font-size="18">
<defs>
<filter id="null"/>
<filter id="nullreg" filterUnits="objectBoundingBox" x="40%" y="40%" width="20%" height="20%"/>
</defs>
<g>
<circle r="30" fill="red" cx="130" cy="60"/>
<circle r="40" fill="lime" cx="130" cy="60"/>
<text font-size="20" x="130" y="130" text-anchor="middle">No filter</text>
</g>
<g>
<circle r="30" fill="lime" cx="130" cy="210"/>
<circle r="40" fill="red" cx="130" cy="210" filter="url(#null)"/>
<text font-size="20" x="130" y="280" text-anchor="middle">Null filter</text>
</g>
<g>
<circle r="30" fill="lime" cx="330" cy="60"/>
<circle r="40" fill="red" cx="330" cy="60" filter="url(#notthere)"/>
<text font-size="20" x="330" y="130" text-anchor="middle">Non-existent filter</text>
</g>
<g>
<circle r="30" fill="lime" cx="330" cy="210"/>
<circle r="40" fill="red" cx="330" cy="210" filter="url(#nullreg)"/>
<text font-size="20" x="330" y="280" text-anchor="middle">Null with small region filter</text>
</g>
</g>
<g font-family="SVGFreeSansASCII,sans-serif" font-size="32">
<text id="revision" x="10" y="340" stroke="none" fill="black">$Revision: 1.7 $</text>
</g>
<rect id="test-frame" x="1" y="1" width="478" height="358" fill="none" stroke="#000000"/>
<!-- comment out this watermark once the test is approved -->
<!--<g id="draft-watermark">
<rect x="1" y="1" width="478" height="20" fill="red" stroke="black" stroke-width="1"/>
<text font-family="SVGFreeSansASCII,sans-serif" font-weight="bold" font-size="20" x="240"
text-anchor="middle" y="18" stroke-width="0.5" stroke="black" fill="white">DRAFT</text>
</g>-->
</svg>
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