Fx protocol specifies additions to the
Fx protocol which defines the methods the host application provides to manage conversions between various on-screen coordinate spaces.
- FxPlug 3.1+
This protocol inherits from, and expands on, the
Fx protocol It can retrieve information about the canvas, such as its pixel aspect ratio or its zoom level so that a plug-in can draw its controls at the appropriate scale. As with the
Fx protocol, this aids in allowing the user to directly manipulate a plug-in's parameters.