WF_KeyStone is a perspective deformation plugin.

The 8 sliders allows to move the 4 corners of the picture and deform it.

The Guide line On button allows to deform the picture directly clicking on the picture with the mouse.

On the right, Use Sec button and Secondary slider are to use the same layouts as in the Colour menu. Invert is
inverting the secondary, it’s independent from the Lustre invert
buttons in Keyer and Geometry. Mask Opacity is also independent from
the Opacity parameter in Lustre.

Load and Save Button are used to load and store presets that take parameters of the current plugin.

Documentation button will open this document.

Reset Button reset the Plugin parameters.

WF Online button will open the Workflowers website.