The k3
attribute defines one of the values to be used within the the arithmetic
operation of the <feComposite>
filter primitive.
The pixel composition is computed using the following formula:
result = k1*i1*i2 +k2
*i1 +k3
*i2 +k4
Only one element is using this attribute: <feComposite>
html, body, svg { height: 100%; }
<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="https://mdn.mozillademos.org/files/12668/MDN.svg" x="0" y="0" width="200" height="200" style="filter: url(#composite1);" /> <image href="https://mdn.mozillademos.org/files/12668/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 | Status | Comment |
---|---|---|
Filter Effects Module Level 1 The definition of 'k3' in that specification. |
Working Draft | No change |
Scalable Vector Graphics (SVG) 1.1 (Second Edition) The definition of 'k3' in that specification. |
Recommendation | Initial definition |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
k3 | Chrome Full support 1 | Edge Full support ≤79 | Firefox ? | IE ? | Opera No support No | Safari ? | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android ? | Opera Android ? | Safari iOS ? | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown