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<svg 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">
<!--======================================================================-->
<!--= Copyright 2008 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="[reviewer]" author="[author]" status="empty"
version="$Revision: 1.1 $" testname="$RCSfile: filters-composite-04-f.svg,v $">
<d:testDescription xmlns="http://www.w3.org/1999/xhtml" href="http://www.w3.org/TR/SVG11/filters.html#feCompositeElement">
<p>
Test feComposite and the arithmetic operator to implement a simple dissolve operation.
</p>
</d:testDescription>
<d:operatorScript xmlns="http://www.w3.org/1999/xhtml">
<p>
Run the test. No interaction required.
</p>
</d:operatorScript>
<d:passCriteria xmlns="http://www.w3.org/1999/xhtml">
<p>
The test has passed if there are four images visible, each in
different stages of dissolving the bird in the foreground into the
tree in the background.
</p>
</d:passCriteria>
</d:SVGTestCase>
<title id="test-title">$RCSfile: filters-composite-04-f.svg,v $</title>
<defs>
<font-face
font-family="SVGFreeSansASCII"
unicode-range="U+0-7F">
<font-face-src>
<font-face-uri xlink:href="../resources/SVGFreeSans.svg#ascii"/>
</font-face-src>
</font-face>
</defs>
<g id="test-body-content" font-family="SVGFreeSansASCII,sans-serif" font-size="18">
<defs>
<filter id="dissolve1" x="0" y="0" width="1" height="1">
<feImage xlink:href="../images/stefan_252_tRNS_opti.png" result="bird"/>
<feComposite operator="arithmetic" in="SourceGraphic" in2="bird" k1="0" k2="0.5" k3="0.5" k4="0"/>
</filter>
<filter id="dissolve2" x="0" y="0" width="1" height="1">
<feImage xlink:href="../images/stefan_252_tRNS_opti.png" result="bird"/>
<feComposite operator="arithmetic" in="SourceGraphic" in2="bird" k1="0" k2="0.1" k3="0.9" k4="0"/>
</filter>
<filter id="dissolve3" x="0" y="0" width="1" height="1">
<feImage xlink:href="../images/stefan_252_tRNS_opti.png" result="bird"/>
<feComposite operator="arithmetic" in="SourceGraphic" in2="bird" k1="0" k2="0.75" k3="0.25" k4="0"/>
</filter>
<filter id="dissolve4" x="0" y="0" width="1" height="1">
<feImage xlink:href="../images/stefan_252_tRNS_opti.png" result="bird"/>
<feComposite operator="arithmetic" in="SourceGraphic" in2="bird" k1="0" k2="0.25" k3="0.75" k4="0"/>
</filter>
</defs>
<image width="120" height="80" xlink:href="../images/tree.jpg" filter="url(#dissolve1)" transform="translate(100 80)"/>
<image width="120" height="80" xlink:href="../images/tree.jpg" filter="url(#dissolve2)" transform="translate(250 80)"/>
<image width="120" height="80" xlink:href="../images/tree.jpg" filter="url(#dissolve3)" transform="translate(100 190)"/>
<image width="120" height="80" xlink:href="../images/tree.jpg" filter="url(#dissolve4)" transform="translate(250 190)"/>
</g>
<g font-family="SVGFreeSansASCII,sans-serif" font-size="32">
<text id="revision" x="10" y="340" stroke="none"
fill="black">$Revision: 1.1 $</text>
</g>
<rect id="test-frame" x="1" y="1" width="478" height="358" fill="none" stroke="#000"/>
<!-- 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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