k2 - Content — ContextQMD

The k2 attribute defines one of the values to be used within the arithmetic operation of the {{SVGElement("feComposite")}} filter primitive.

The pixel composition is computed using the following formula:

result = k1 * i1 * i2 + k2 * i1 + k3 * i2 + k4;

You can use this attribute with the following SVG elements:

{{SVGElement("feComposite")}}

Example

css

html,
body,
svg {
  height: 100%;
}

html

<svg viewBox="0 0 420 200" xmlns="http://www.w3.org/2000/svg">
  <filter id="composite1" x="0" y="0" width="100%" height="100%">
    <feComposite
      in2="SourceGraphic"
      operator="arithmetic"
      k1="1"
      k2="1"
      k3="0"
      k4="0" />
  </filter>
  <filter id="composite2" x="0" y="0" width="100%" height="100%">
    <feComposite
      in2="SourceGraphic"
      operator="arithmetic"
      k1="1"
      k2="10"
      k3="0"
      k4="0" />
  </filter>

  <image
    href="mdn.svg"
    x="0"
    y="0"
    width="200"
    height="200"
    filter="url(#composite1)" />
  <image
    href="mdn.svg"
    x="220"
    y="0"
    width="200"
    height="200"
    filter="url(#composite2)" />
</svg>

Usage notes

<table class="properties"> <tbody> <tr> <th scope="row">Value</th> <td>{{cssxref("number")}}</td> </tr> <tr> <th scope="row">Default value</th> <td><code>0</code></td> </tr> <tr> <th scope="row">Animatable</th> <td>Yes</td> </tr> </tbody> </table>

k2

Example

Usage notes

Specifications

Browser compatibility