mask
Copy and flip between a main layer and a mask layer in the selected glyphs.
RF3 RoboFont 3 code which still works in RoboFont 4. Not updated to the new RoboFont 4 APIs yet.
- main layer
- select the main layer
- mask layer
- select another layer as the mask layer
- copy
- copy contents of the main layer to the mask layer
- flip
- flip contents between main and mask layers
- clear
- clear contents of the mask layer
copy width-
copy glyph widths when copying between layers
this option is no longer necessary in RoboFont 4