qr-image
This is yet another QR Code generator.
Overview
- No dependecies;
- generate image in
png
, svg
, eps
and pdf
formats; - numeric and alphanumeric modes;
- support UTF-8.
Releases
Installing
npm install qr-image
Usage
Example:
var qr = require('qr-image');
var qr_svg = qr.image('I love QR!', { type: 'svg' });
qr_svg.pipe(require('fs').createWriteStream('i_love_qr.svg'));
var svg_string = qr.imageSync('I love QR!', { type: 'svg' });
More examples
qr = require('qr-image')
Methods
qr.image(text, [ec_level | options])
— Readable stream with image data;qr.imageSync(text, [ec_level | options])
— string with image data. (Buffer for png
);qr.svgObject(text, [ec_level | options])
— object with SVG path and size;qr.matrix(text, [ec_level])
— 2D array.
Options
text
— text to encode;ec_level
— error correction level. One of L
, M
, Q
, H
. Default M
.options
— image options object:
ec_level
— default M
.type
— image type. Possible values png
(default), svg
, pdf
and eps
.size
(png and svg only) — size of one module in pixels. Default 5
for png and undefined
for svg.margin
— white space around QR image in modules. Default 4
for png
and 1
for others.customize
(only png) — function to customize qr bitmap before encoding to PNG.parse_url
(experimental, default false
) — try to optimize QR-code for URLs.
Changes
- Use
zlib.deflateSync
instead of pako
. - Fix deprecation warning for NodeJS 7.
TODO
- Tests;
- mixing modes;
- Kanji (???).