@stringsync/vexml
Version:
MusicXML to Vexflow
106 lines (105 loc) • 4.12 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.Wedge = void 0;
const vexflow = __importStar(require("vexflow"));
const util = __importStar(require("../util"));
const spatial_1 = require("../spatial");
class Wedge {
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 wedge = this.document.getWedge(this.key);
const renders = this.registry.get(wedge.id).filter((r) => r.type === 'note' || r.type === 'rest');
const vexflowStaveHairpins = this.renderVexflowStaveHairpins(renders);
return {
type: 'wedge',
key: this.key,
rect: spatial_1.Rect.empty(),
vexflowStaveHairpins,
};
}
renderVexflowStaveHairpins(renders) {
if (renders.length < 2) {
this.log.warn('cannot render wedge with less than 2 notes, skipping', { wedgeIndex: this.key.wedgeIndex });
return [];
}
const vexflowStaveHairpins = new Array();
const systemIndexes = util.unique(renders.map((n) => n.key.systemIndex));
for (const systemIndex of systemIndexes) {
const systemScopedRenders = renders.filter((n) => n.key.systemIndex === systemIndex);
if (systemScopedRenders.length > 1) {
const vexflowStaveHairpin = this.renderSingleStaveHairpin(systemScopedRenders);
vexflowStaveHairpins.push(vexflowStaveHairpin);
}
}
return vexflowStaveHairpins;
}
renderSingleStaveHairpin(renders) {
const wedge = this.document.getWedge(this.key);
const firstNote = renders.at(0).vexflowNote;
const lastNote = renders.at(-1).vexflowNote;
let vexflowStaveHairpinType;
switch (wedge.wedgeType) {
case 'crescendo':
vexflowStaveHairpinType = vexflow.StaveHairpin.type.CRESC;
break;
case 'diminuendo':
vexflowStaveHairpinType = vexflow.StaveHairpin.type.DECRESC;
break;
}
let vexflowModifierPosition;
switch (wedge.placement) {
case 'above':
vexflowModifierPosition = vexflow.Modifier.Position.ABOVE;
break;
case 'below':
vexflowModifierPosition = vexflow.Modifier.Position.BELOW;
break;
}
return new vexflow.StaveHairpin({ firstNote, lastNote }, vexflowStaveHairpinType).setPosition(vexflowModifierPosition);
}
}
exports.Wedge = Wedge;