Color to Alpha

Convert a specified color to transparency, works best with white.
Color
The color to make transparent.
name: color type: color default: rgb(1.0000, 1.0000, 1.0000)
Transparency threshold
The limit below which colors become transparent.
name: transparency-threshold type: double default: 0.00 minimum: 0.00 maximum: 1.00 ui-minimum: 0.00 ui-maximum: 1.00 ui-gamma: 1.00 ui-step-small: 0.00 ui-step-big: 0.10 ui-digits: 3
Opacity threshold
The limit above which colors remain opaque.
name: opacity-threshold type: double default: 1.00 minimum: 0.00 maximum: 1.00 ui-minimum: 0.00 ui-maximum: 1.00 ui-gamma: 1.00 ui-step-small: 0.00 ui-step-big: 0.10 ui-digits: 3
name: gegl:color-to-alpha
pads: input output
parent-class: GeglOperationPointFilter
categories: color
source: operations/common-gpl3+/color-to-alpha.c
license: GPL3+
needs-alpha: true
GEGL This page is part of the online GEGL Documentation, GEGL is a data flow based image processing library/framework, made to fuel GIMPs high-bit depth non-destructive editing future.