VexFlow Sandbox

Chord Changes Stacked

by ronyeh

HTML

<script src="https://unpkg.com/[email protected]/build/cjs/vexflow-debug.js"></script>
<div id="output"></div>

JavaScript

const {
  Accidental,
  ChordSymbol,
  Flow,
  Font,
  Formatter,
  Renderer,
  Stave,
  StaveNote,
  SymbolModifiers
} = Vex;

Font.loadWebFonts().then(() => {});

Flow.setMusicFont('Bravura');

// Create an SVG renderer and attach it to the DIV element named "boo".
const div = document.getElementById('output');
const renderer = new Renderer(div, Renderer.Backends.SVG);

// Configure the rendering context.
renderer.resize(650, 500);
const context = renderer.getContext();
context.scale(1.5, 1.5);

// Create a stave of width 400 at position 10, 40 on the canvas.
let stave = new Stave(10, 40, 400);

// Add a clef and time signature.
stave.addClef('treble').addTimeSignature('4/4');

// Connect it to the rendering context and draw!
stave.setContext(context).draw();

let notes = [
  // A quarter-note C.
  new StaveNote({
    keys: ['f/4'],
    duration: 'h'
  }),

  // A quarter-note D.
  new StaveNote({
    keys: ['b/4'],
    duration: 'h'
  }).addModifier(new Accidental('b')),
];

let chord1 = new ChordSymbol()
  .addGlyphOrText('F')
  .addGlyphOrText('7', {
    symbolModifier: SymbolModifiers.SUPERSCRIPT
  })
  .addGlyphOrText('b5', {
    symbolModifier: SymbolModifiers.SUBSCRIPT
  })
  .setFontSize(14);

let chord2 = new ChordSymbol()
  .addGlyphOrText('Bb7')
  .addGlyphOrText('#11', {
    symbolModifier: SymbolModifiers.SUPERSCRIPT
  })
  .addGlyphOrText('b9', {
    symbolModifier: SymbolModifiers.SUBSCRIPT
  })
  .setFontSize(14);

notes[0].addModifier(chord1);
notes[1].addModifier(chord2);

Formatter.FormatAndDraw(context, stave, notes);

Flow.setMusicFont('Petaluma');

stave = new Stave(10, 140, 400);

// Add a clef and time signature.
stave.addClef('treble').addTimeSignature('4/4');

// Connect it to the rendering context and draw!
stave.setContext(context).draw();

notes = [
  // A quarter-note C.
  new StaveNote({
    keys: ['f/4'],
    duration: 'h'
  }),

  // A quarter-note D.
  new StaveNote({
    keys: ['b/4'],
    duration: 'h'
  }).addModifier(new...