@stringsync/vexml
Version:
MusicXML to Vexflow
65 lines (64 loc) • 1.72 kB
JavaScript
export class Pedal {
config;
log;
phase;
pedalType;
pedalMarkType;
constructor(config, log, phase, pedalType, pedalMarkType) {
this.config = config;
this.log = log;
this.phase = phase;
this.pedalType = pedalType;
this.pedalMarkType = pedalMarkType;
}
static create(config, log, musicXML) {
let phase;
switch (musicXML.pedal.getType()) {
case 'start':
phase = 'start';
break;
case 'stop':
phase = 'stop';
break;
default:
phase = 'continue';
break;
}
let pedalType;
const line = musicXML.pedal.line();
const sign = musicXML.pedal.sign();
if (line && sign) {
pedalType = 'mixed';
}
else if (line) {
pedalType = 'bracket';
}
else if (sign) {
pedalType = 'text';
}
else {
pedalType = 'bracket';
}
let pedalMarkType;
switch (musicXML.pedal.getType()) {
case 'change':
pedalMarkType = 'change';
break;
default:
pedalMarkType = 'default';
break;
}
return new Pedal(config, log, phase, pedalType, pedalMarkType);
}
parse(voiceCtx) {
if (this.phase === 'start') {
voiceCtx.beginPedal(this.pedalType);
}
if (this.phase === 'continue') {
voiceCtx.primeNextPedalMark(this.pedalMarkType);
}
if (this.phase === 'stop') {
voiceCtx.closePedal();
}
}
}