k3
The k3
attribute defines one of the values to be used within the arithmetic
operation of the <feComposite>
filter primitive.
The pixel composition is computed using the following formula:
js
result = k1 * i1 * i2 + k2 * i1 + k3 * i2 + k4;
You can use this attribute with the following SVG elements:
Example
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="0"
k3="1"
k4="0" />
</filter>
<filter id="composite2" x="0" y="0" width="100%" height="100%">
<feComposite
in2="SourceGraphic"
operator="arithmetic"
k1="1"
k2="0"
k3="10"
k4="0" />
</filter>
<image
href="mdn.svg"
x="0"
y="0"
width="200"
height="200"
style="filter: url(#composite1);" />
<image
href="mdn.svg"
x="0"
y="0"
width="200"
height="200"
style="filter: url(#composite2); transform: translateX(220px);" />
</svg>
Usage notes
Value | <number> |
---|---|
Default value | 0 |
Animatable | Yes |
Specifications
Specification |
---|
Filter Effects Module Level 1 # element-attrdef-fecomposite-k3 |
Browser compatibility
BCD tables only load in the browser