The intercept attribute defines the intercept of the linear function of color component transfers when the type attribute is set to linear.
Four elements are using this attribute: <feFuncA>, <feFuncB>, <feFuncG>, and <feFuncR>
html, body, svg {
height: 100%;
}
<svg viewBox="0 0 420 200" xmlns="http://www.w3.org/2000/svg">
<defs>
<linearGradient id="gradient" gradientUnits="userSpaceOnUse"
x1="0" y1="0" x2="200" y2="0">
<stop offset="0" stop-color="#ff0000" />
<stop offset="0.5" stop-color="#00ff00" />
<stop offset="1" stop-color="#0000ff" />
</linearGradient>
</defs>
<filter id="componentTransfer1" 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 id="componentTransfer2" 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)"
style="filter: url(#componentTransfer1);" />
<rect x="0" y="0" width="200" height="200" fill="url(#gradient)"
style="filter: url(#componentTransfer2); 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 'intercept' in that specification. |
Working Draft | No change |
| Scalable Vector Graphics (SVG) 1.1 (Second Edition) The definition of 'intercept' in that specification. |
Recommendation | Initial definition |