intercept
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Theintercept attribute defines the intercept of the linear function of color component transfers when thetype attribute is set tolinear.
Thelinear function is defined asslope * color + intercept, wherecolor is the color value, theintercept provides a base value for the result, and theslope is a scaling factor.
Theintercept attribute is supported by children of the<feComponentTransfer> filter primitive and is used with the following SVG component transfer function elements whentype="linear" is set:
Usage notes
| Value | <number> |
|---|---|
| Default value | 0 |
| Animatable | Yes |
<number>This value indicates the intercept of the linear component transfer functions.
Example
html,body,svg { height: 100%;}html
<svg viewBox="0 0 420 200" xmlns="http://www.w3.org/2000/svg"> <defs> <linearGradient gradientUnits="userSpaceOnUse" x1="0" y1="0" x2="200" y2="0"> <stop offset="0" stop-color="red" /> <stop offset="0.5" stop-color="lime" /> <stop offset="1" stop-color="blue" /> </linearGradient> </defs> <filter x="0" y="0" width="100%" height="100%"> <feComponentTransfer> <feFuncR type="linear" intercept="0" /> <feFuncG type="linear" intercept="0" /> <feFuncB type="linear" intercept="0" /> </feComponentTransfer> </filter> <filter x="0" y="0" width="100%" height="100%"> <feComponentTransfer> <feFuncR type="linear" intercept="0.3" /> <feFuncG type="linear" intercept="0.1" /> <feFuncB type="linear" intercept="0.8" /> </feComponentTransfer> </filter> <rect x="0" y="0" width="200" height="200" fill="url(#gradient)" filter="url(#componentTransfer1)" /> <rect x="220" y="0" width="200" height="200" fill="url(#gradient)" filter="url(#componentTransfer2)" /></svg>Specifications
| Specification |
|---|
| Filter Effects Module Level 1 # element-attrdef-fecomponenttransfer-intercept |