1 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
2 <svg xmlns="http://www.w3.org/2000/svg" version="1.1">
4 <filter id="simple-backing">
5 <!-- ./tools/hsv-matrix.pl 4 1 0.4 -->
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8 <filter id="simple-glowing" x="-1" y="-1" width="3" height="3">
9 <feGaussianBlur stdDeviation="2"/>
10 <feColorMatrix values="0.1 0 0 0 0 0 0.1 0 0 0 0 0 0.1 0 0 0 0 0 3 0"/>
11 <feColorMatrix values="1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0.45 0" result="outline"/>
12 <feGaussianBlur in="SourceGraphic" stdDeviation="6"/>
13 <!-- ./tools/hsv-matrix.pl -9 3.3 0.35 -->
14 <feColorMatrix values="1.01 -0.44 -0.22 0 0 -0.19 0.55 -0.01 0 0 -0.03 -0.69 1.07 0 0 0 0 0 0.6 0" result="shadow"/>
15 <feGaussianBlur in="SourceAlpha" stdDeviation="4"/>
16 <feColorMatrix values="1 0 0 0 1 0 1 0 0 1 0 0 1 0 1 0 0 0 1 -0.5" result="highlight"/>
18 <feMergeNode in="shadow"/>
19 <feMergeNode in="outline"/>
20 <feMergeNode in="SourceGraphic"/>
22 <feComposite in2="highlight" operator="arithmetic" k1="0.2" k2="1" k3="0.4"/>
23 <feGaussianBlur stdDeviation="0.3"/>