Qrim

Qrim (QR Image Maker), a JavaScript library for generating QR Code images.

Origianly forked from qrcode.js. Removed legacy code, refactored to support ES modules, included UTF8 character support, and added stylization options.

Install

• Option 1: Copy file qrim.module.js, import from file...

import { QRCode } from 'qrim.module.js';

• Option 2: Install from npm, import from 'qrim'...

npm install qrim

import { QRCode } from 'qrim';

• Option 3: Import directly from CDN...

import { QRCode } from 'https://unpkg.com/qrim/build/qrim.module.js';

Usage

<div id="qrcode"></div>

<script type='module'>

import { QRCode } from 'qrim';

const el = document.getElementById("qrcode");
const qr = new QRCode(el, "http://www.code.com");

</script>

Options

Parameters object, all properties are optional

const qr = new QRCode(el, {
    text: "http://www.domain.com",          // text to generate
    size: 1024,                             // image dimensions
    colorDark : "#000000",                  // block color
    colorLight : "#ffffff",                 // background color
    border: 1,                              // border size, in # of blocks
    padding: 1,                             // padding size, in # of blocks
    opacity: 1,                             // image opacity
    style: QRCode.Styles.Square,            // Square | Blob | Dots
    correctLevel: QRErrorCorrectLevel.H,    // L | M | Q | H
});

Methods

// make new code from new text
qr.makeCode("http://www.newcode.com");

// ...or make new code from updated parameters
const params = {
    text: "http://www.newcode.com",
    size: 2048,
    opacity: 0.5,
};
qr.makeCode(params);