Displays a pianoroll on a canvas. Pitches are the vertical axis and time is the horizontal. When connected to a player, the visualizer can also highlight the notes being currently played.
NoteSequence to be visualized.
The element where the visualization should be displayed.
(optional) Visualization configuration options.
Redraws the entire note sequence, optionally painting a note as active
(Optional) If specified, this
Note will be painted
in the active color.
(Optional) If specified and the note being painted is offscreen, the parent container will be scrolled so that the note is in view.
The x position of the painted active note. Useful for automatically advancing the visualization if the note was painted outside of the screen.
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