fop/src/documentation/content/xdocs/dev/svg/transparency.svg

<?xml version="1.0" encoding="iso-8859-1"?>
<svg width="400" height="400" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">

<g>

<text x="20" y="20" style="font-size:18">Transparency in SVG (to PDF)</text>

<text x="20" y="35" style="font-size:12">Shapes</text>
<rect x="30" y="55" width="100" height="80" style="fill:green;stroke:blue;stroke-width:3;fill-opacity:0.5;stroke-opacity:0.6"/>
<rect x="80" y="95" width="100" height="80" style="fill:red;stroke:yellow;stroke-width:3;fill-opacity:0.5"/>


</g>

<g>
<defs>
      <filter id="Turb" filterUnits="objectBoundingBox"
              x="0%" y="0%" width="100%" height="100%">
        <feTurbulence type="fractalNoise" baseFrequency="0.1" numOctaves="1"/>
      </filter>
</defs>

<text x="20" y="205" style="font-size:12">Image</text>
    <rect x="20" y="210" width="40" height="35" style="fill:blue" />
<text x="60" y="255" style="font-size:20;font-weight:bold">SEE</text>
    <rect x="25" y="215" width="100" height="75" style="filter:url(#Turb)" />


</g>

<text x="220" y="35" style="font-size:12">Text</text>
<rect x="240" y="55" width="130" height="50" style="fill:blue"/>
<text x="280" y="75" style="font-size:20;font-weight:bold;fill-opacity:0.6;fill:green">SEE</text>
<text x="250" y="95" style="font-size:20;font-weight:bold;fill-opacity:0.4;fill:orange;stroke:red">THROUGH</text>

<text x="220" y="205" style="font-size:12">Uniform Image Transparency</text>
<defs>
      <filter id="matrixGreen" filterUnits="objectBoundingBox"
              x="0%" y="0%" width="100%" height="100%">
        <feTurbulence type="turbulence" baseFrequency="0.05" numOctaves="2" stitchTiles="noStitch" seed="0" result="turb"/>
      <feColorMatrix type="matrix" values="0 0 0 0 0  0 1 0 0 0  0 0 0 0 0  0 0 0 0 1" />
      </filter>
</defs>
<rect x="240" y="225" width="100" height="75" style="opacity:0.4;filter:url(#matrixGreen)" />


</svg>