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.
The intercept
attribute defines the intercept of the linear function of color component transfers when the type
attribute is set to linear
.
The linear
function is defined as slope * color + intercept
, where color
is the color value, the intercept
provides a base value for the result, and the slope
is a scaling factor.
The intercept
attribute is supported by children of the <feComponentTransfer>
filter primitive and is used with the following SVG component transfer function elements when type="linear"
is set:
Usage notes
Example
html
<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>
Specifications
Specification |
---|
Filter Effects Module Level 1 # element-attrdef-fecomponenttransfer-intercept |
Browser compatibility
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