feSpecularLighting-1.svg

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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'>

  <!--

    A basic test for the <feSpecularLighting> filter primitive.

    Setting kernelUnitLength on the <feSpecularLighting> should allow us to

    assume pixel perfection.

-->

  <filter id='f' x='0' y='0' width='1' height='1' color-interpolation-filters='sRGB'>

    <feSpecularLighting kernelUnitLength='1' result='a'>

      <feDistantLight azimuth='45'/>

    </feSpecularLighting>

    <feComposite in='a' in2='SourceAlpha' operator='in' result='b'/>

    <feComposite in='SourceGraphic' in2='b' operator='arithmetic' k1='0' k2='1' k3='1' k4='0' x='10' y='10' width='80' height='80'/>

  </filter>

  <rect width='100' height='100' fill='blue'/>

  <path d='M0,0 h100 v100 h-100 z M20,20 v60 h60 v-60 z' filter='url(#f)'/>

  <!-- Cover two spots in the test whose rendering differs in opt builds

       vs. debug builds (see Bug 610945). -->

  <rect x='78' y='18' width='4' height='4'/>

  <rect x='18' y='78' width='4' height='4'/>

</svg>