qr-image
This is yet another QR Code generator.
Overview
- No dependecies;
- generate image in
png
,svg
,eps
andpdf
formats; - numeric and alphanumeric modes;
- support UTF-8.
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' });
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. (not implemented forpng
);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 ofL
,M
,Q
,H
. DefaultM
.options
— image options object:ec_level
— defaultM
.type
— image type. Possible valuespng
(default),svg
,pdf
andeps
.size
(only png) — size of one module in pixels. Default5
.margin
— white space around QR image in modules. Default4
forpng
and1
for others.customize
(only png) — function to customize qr bitmap before encoding to PNG.
Changes
svgpath
type is deprecated. UsesvgObject
method instead.margin
option is used for vector formats.
TODO
- Tests;
imageSync
forpng
.- mixing modes;
- Kanji (???).