Color
Brightness Contrast
Changes the light level and contrast. This operation operates in linear light, 'contrast' is a scale factor around 50% gray, and 'brightness' a constant offset to apply after contrast scaling.
Operation pads
This operation exposes the following data pads, defining how it receives, processes, and emits image data:
Input
Output
Operation properties
Contrast
gdouble
Magnitude of contrast scaling >1.0 brighten < 1.0 darken.
Default
Value range
Default
1.00Value range
-5.00 • • 5.00.Brightness
gdouble
Amount to increase brightness.
Default
Value range
Default
0.00Value range
-3.00 • • 3.00.