2D Modifier - Apply a function independently on RGBA channelsThis modifier applies an arbitrary function independently on each or some of the RGBA channels of the image.
It's a generic modifier that can be used in many different ways.
Here are the parameters for the example above:
- Channels Select which channels are will be modified
- Function ( Percentage Function): Select how the channels get modified
Advanced Presets: Add Contrast, Invert, Old picture 1 and Old picture 2.