Built-in data display elements.
"dadsrEnv"An envelope display with 5 parameters: delay, attack, decay, sustain, release.
A time/level envelope display. The arguments are pointCount, sustain, and optionally bipolar.
["env", Function]A custom display element (usually for an envelope). The passed function should have the signature ([SynthPath:Float]) => [PBBezier.PathCommand]. Whenever the display is updated, a dictionary will be passed to the function containing various parameter values. The function uses those to return an array of drawing functions which will be used to draw a bezier path within the display.
"levelScaling"A Level Scaling display, used for the Yamaha DX7 and related synths.