Stretch Contrast

Scales the components of the buffer to be in the 0.0-1.0 range. This improves images that make poor use of the available contrast (little contrast, very dark, or very bright images).
Keep colors
Impact each channel with the same amount
name: keep-colors type: boolean default: True
Non-linear components
When set operate on gamma corrected values instead of linear RGB - acting like the old normalize filter in GIMP
name: perceptual type: boolean default: False
name: gegl:stretch-contrast
pads: input output
parent-class: GeglOperationFilter
categories: color enhance
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.