FxOnScreenControlAPI
The FxOnScreenControlAPI protocol defines the methods the host application uses to draw controls and other user interface elements directly on the canvas where the user has applied the plug-in.
Declaration
protocol FxOnScreenControlAPIMentioned in
Overview
Plug-ins use protocol to direct manipulation of the object and is an intuitive means for users to interact with a plug-in.
Use this API to transform points from the drawing space of the canvas or document to the pixel space of the object the user wants to manipulate, and vice-versa.