"<feFuncR>"

A child element of "<feComponentTransfer>" defining the transfer function for the red channel.

• DOM object: SVGFEFuncRElement
• SVG2 spec: https://www.w3.org/TR/filter-effects/#funcRElement

Example usage:

<filter id="InvertRed">
  <feComponentTransfer>
    <feFuncR type="table" tableValues="1 0" />
  </feComponentTransfer>
</filter>

Attribute	Default	Description
type	identity	identity, table, discrete, linear, or gamma.
tableValues	(none)	List of values for table or discrete.
slope	1	Slope for linear.
intercept	0	Intercept for linear.
amplitude	1	Amplitude for gamma.
exponent	1	Exponent for gamma.
offset	0	Offset for gamma.