The k4 attribute defines one of the value to be used within the the arithmetic operation of the <feComposite> filter primitive. If this attribute is not set, its default value is 0.
The pixel composition is computed using the following formula:
result = k1*i1*i2 + k2*i1 + k3*i2 + k4
| Categories | None |
|---|---|
| Value | <number> |
| Animatable | Yes |
| Normative document | SVG 1.1 (2nd Edition) |
The following elements can use the k4 attribute
© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/k4