@stringsync/vexml
Version:
MusicXML to Vexflow
46 lines (45 loc) • 1.58 kB
JavaScript
import * as vexflow from 'vexflow';
import { Rect } from '../spatial';
export class Vibrato {
config;
log;
document;
key;
registry;
constructor(config, log, document, key, registry) {
this.config = config;
this.log = log;
this.document = document;
this.key = key;
this.registry = registry;
}
render() {
const vexflowVibratoBrackets = this.renderVexflowVibratoBrackets();
return {
type: 'vibrato',
rect: Rect.empty(),
vexflowVibratoBrackets,
};
}
renderVexflowVibratoBrackets() {
const vibrato = this.document.getVibrato(this.key);
const noteRenders = this.registry.get(vibrato.id);
if (noteRenders.length < 2) {
this.log.warn('cannot render vibrato with less than 2 notes, skipping', { vibratoIndex: this.key.vibratoIndex });
return [];
}
const vexflowVibratoBrackets = new Array();
const systemIndexes = noteRenders.map((n) => n.key.systemIndex);
for (const systemIndex of systemIndexes) {
const renders = noteRenders.filter((n) => n.key.systemIndex === systemIndex);
if (renders.length > 1) {
const vexflowVibratoBracket = new vexflow.VibratoBracket({
start: renders.at(0).vexflowNote,
stop: renders.at(-1).vexflowNote,
});
vexflowVibratoBrackets.push(vexflowVibratoBracket);
}
}
return vexflowVibratoBrackets;
}
}