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SVGFEDiffuseLightingElement: surfaceScale property

files/en-us/web/api/svgfediffuselightingelement/surfacescale/index.md

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{{APIRef("SVG")}}

The surfaceScale read-only property of the {{domxref("SVGFEDiffuseLightingElement")}} interface reflects the {{SVGAttr("surfaceScale")}} attribute of the given {{SVGElement("feDiffuseLighting")}} element.

Value

An {{domxref("SVGAnimatedNumber")}} object.

Examples

Access the surfaceScale property

html
<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg">
  <defs>
    <filter id="diffuseLightingFilter">
      <feDiffuseLighting
        in="SourceGraphic"
        surfaceScale="2"
        lighting-color="white">
        <feDistantLight azimuth="45" elevation="55" />
      </feDiffuseLighting>
    </filter>
  </defs>
  <rect
    x="20"
    y="20"
    width="100"
    height="100"
    fill="lightblue"
    filter="url(#diffuseLightingFilter)" />
</svg>
js
const diffuseLighting = document.querySelector("feDiffuseLighting");

console.log(diffuseLighting.surfaceScale.baseVal); // Output: 2

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

  • {{domxref("SVGAnimatedNumber")}}