mirror of
https://github.com/Stichting-MINIX-Research-Foundation/pkgsrc-ng.git
synced 2025-09-22 02:57:40 -04:00
14 lines
695 B
Plaintext
14 lines
695 B
Plaintext
A general purpose high-pass filter plugin. It shows up as
|
|
Filters->Generic->High Pass Filter. You can select a blur radius that sets the
|
|
size of detail to be passed by the filter, a contrast adjustment, as well as an
|
|
option to keep the source layer or replace it.
|
|
|
|
It actually implements 5 different high pass modes:
|
|
|
|
1. Colour - I think this is the same as photoshop's high pass filter effect.
|
|
2. Preserve DC - like colour, but adds the average image colour back in.
|
|
3. Greyscale - this desaturates the layer before high pass filtering.
|
|
4. Greyscale, Apply Chroma - as above, but blends it in with the source
|
|
layer colours
|
|
5. Redrobes - (named after the technique described by Redrobes)
|