ColorSuppress node

This documentation is for version 1.0 of ColorSuppress (net.sf.openfx.ColorSuppress).

Description

Remove a color or tint from an image.

The effect can either modify the color and/or extract the amount of color and store it in the alpha channel. It can be used to fix the despill or extract a mask from a color.

Inputs

Input	Description	Optional
Source		No
Mask		Yes

Controls

Parameter / script name	Type	Default	Function
Red / redSuppress	Double	0	Fraction of red to suppress.
Green / greenSuppress	Double	0	Fraction of green to suppress.
Blue / blueSuppress	Double	0	Fraction of blue to suppress.
Cyan / cyanSuppress	Double	0	Fraction of cyan to suppress.
Magenta / magentaSuppress	Double	0	Fraction of magenta to suppress.
Yellow / yellowSuppress	Double	0	Fraction of yellow to suppress.
Output / outputMode	Choice	Image	Suppress mode. Image (image): Suppress color from the image. Alpha (alpha): Only store the suppress mask in the Alpha channel. Image and Alpha (both): Suppress the color from the image and store the suppress mask in the Alpha channel.
Preserve Luminance / preserveLuma	Boolean	Off	Preserve image luminosity.
Luminance Math / luminanceMath	Choice	Rec. 709	Formula used to compute luminance from RGB values. Rec. 709 (rec709): Use Rec. 709 (0.2126r + 0.7152g + 0.0722b). Rec. 2020 (rec2020): Use Rec. 2020 (0.2627r + 0.6780g + 0.0593b). ACES AP0 (acesap0): Use ACES AP0 (0.3439664498r + 0.7281660966g + -0.0721325464b). ACES AP1 (acesap1): Use ACES AP1 (0.2722287168r + 0.6740817658g + 0.0536895174b). CCIR 601 (ccir601): Use CCIR 601 (0.2989r + 0.5866g + 0.1145b). Average (average): Use average of r, g, b. Max (max): Use max or r, g, b.
(Un)premult / premult	Boolean	Off	Divide the image by the alpha channel before processing, and re-multiply it afterwards. Use if the input images are premultiplied.
Invert Mask / maskInvert	Boolean	Off	When checked, the effect is fully applied where the mask is 0.
Mix / mix	Double	1	Mix factor between the original and the transformed image.