Inverts the intensity of each color channel. For example in
an ordinary 8-bit color image, the value
c of each color
channel is replaced with
255 - c.
More precisely, the conversion formula is \(y = Max - x + Min\),
where \(x\) is the input pixel, \(Max\) is the channel max,
\(Min\) is the channel min and \(y\) is the output pixel.
image: Input image.
image: Output image.