VexChords - Javascript Guitar Chord Renderer
VexChords renders guitar chords in your browser.
See demo: http://vexflow.com/vexchords [ source ]
Install
npm i vexchords
Usage
Using ChordBox
import { ChordBox } from 'vexchords';
const chord = new ChordBox('#selector', {
// Customizations (all optional, defaults shown)
width: 100, // canvas width
height: 120, // canvas height
circleRadius: 5, // circle radius (width / 20 by default)
numStrings: 6, // number of strings (e.g., 4 for bass)
numFrets: 5, // number of frets (e.g., 7 for stretch chords)
showTuning: true, // show tuning keys
defaultColor: '#666', // default color
bgColor: '#FFF', // background color
strokeColor: '#666', // stroke color (overrides defaultColor)
textColor: '#666', // text color (overrides defaultColor)
stringColor: '#666', // string color (overrides defaultColor)
fretColor: '#666', // fret color (overrides defaultColor)
labelColor: '#666', // label color (overrides defaultColor)
fretWidth: 1, // fret width
stringWidth: 1, // string width
fontFamily,
fontSize,
fontWeight,
fontStyle, // font settings
labelWeight // weight of label font
});
chord.draw({
// array of [string, fret, label (optional)]
chord: [
[1, 2],
[2, 1],
[3, 2],
[4, 0], // fret 0 = open string
[5, 'x'], // fret x = muted string
[6, 'x']
],
// optional: position marker
position: 5, // start render at fret 5
// optional: barres for barre chords
barres: [
{ fromString: 6, toString: 1, fret: 1 },
{ fromString: 5, toString: 3, fret: 3 }
],
// optional: tuning keys
tuning: ['E', 'A', 'D', 'G', 'B', 'E']
});
draw
helper
Using the import { draw } from 'vexchords';
// Draw an open D7
draw('#selector', {
chord: [[1, 2], [2, 1], [3, 2], [4, 0], [5, 'x'], [6, 'x']]
});
Examples
import * as vexchords from 'vexchords';
const sel = '#vexchords';
// Draw an open D7
vexchords.draw(sel, {
chord: [[1, 2], [2, 1], [3, 2], [4, 0], [5, 'x'], [6, 'x']]
});
// Customize size and default color
vexchords.draw(
sel,
{
chord: [[1, 2], [2, 1], [3, 2], [4, 0], [5, 'x'], [6, 'x']]
},
{ width: 200, height: 240, defaultColor: '#745' }
);
// Set color of circles and bars only
vexchords.draw(
sel,
{
chord: [[2, 3], [3, 3], [4, 3], [6, 'x']],
position: 5,
barres: [{ fromString: 5, toString: 1, fret: 1 }]
},
{ strokeColor: '#8a8' }
);
// Set colors of bridge and text only
vexchords.draw(
sel,
{
chord: [[1, 0], [2, 0], [6, 0]],
position: 0,
barres: [{ fromString: 5, toString: 3, fret: 2 }]
},
{ bridgeColor: '#8a8', textColor: '#8a8' }
);
// Tiny chords, don't show tuning keys
vexchords.draw(
sel,
{
chord: [],
position: 1,
barres: [
{ fromString: 6, toString: 1, fret: 1 },
{ fromString: 5, toString: 3, fret: 3 }
]
},
{
width: 30,
height: 40,
strokeColor: '#745',
showTuning: false
}
);
Hacking on this repo
$ npm i
$ npm start
# Publish: first update package version in package.json
$ npm publish
Upload demo
$ gcloud config set account [email protected]
$ ./upload.sh
License
Copyright (c) 2010 Mohit Muthanna Cheppudira
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.