FxOnScreenControlAPI_v2
The FxOnScreenControlAPI_v2 protocol specifies additions to the FxOnScreenControlAPI protocol which defines the methods the host application provides to manage conversions between various on-screen coordinate spaces.
Declaration
protocol FxOnScreenControlAPI_v2 : FxOnScreenControlAPIOverview
This protocol inherits from, and expands on, the FxOnScreenControlAPI 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 FxOnScreenControlAPI protocol, this aids in allowing the user to directly manipulate a plug-in’s parameters.