Documentation : Colors Tab
This tab has four modes, selectable with the "Color source" combo.
Colors are taken from the current foreground and background colors.
Colors are taken from a gimp gradient.
In this mode, each color channel (red, green, blue, alpha or
luminosity, depending on the image type) can be assigned to a distinct
In this mode, the plugin takes the image in the currently active layer
and "warps" it.
- Horizontal, Vertical: How
much the image is warped.
- Quality: Which algorithm
to use for the warping.
- Edges: What will the
plugin do when sampling pixels which would fall outside the image
- Wrap: Samples
are taken from the other side of the image.
- Smear: Samples
are taken from the edge.
- Black: Samples
are considered to be, well, black.
Samples are considered to have the current background color.
- Caustics: Simulate a
caustics effect as if the warping was caused by a bumpy glass.