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modes;\n  * support UTF-8.\n\n[Releases](https://github.com/alexeyten/qr-image/releases/)\n\nUsage\n-----\n\nExample:\n```javascript\nvar qr = require('qr-image');\n\nvar qr_svg = qr.image('I love QR!', { type: 'svg' });\nqr_svg.pipe(require('fs').createWriteStream('i_love_qr.svg'));\n\nvar svg_string = qr.imageSync('I love QR!', { type: 'svg' });\n```\n\n[More examples](./examples)\n\n`qr = require('qr-image')`\n\n### Methods\n\n  * `qr.image(text, [ec_level | options])` — Readable stream with image data;\n  * `qr.imageSync(text, [ec_level | options])` — string with image data. (Buffer for `png`);\n  * `qr.svgObject(text, [ec_level | options])` — object with SVG path and size;\n  * `qr.matrix(text, [ec_level])` — 2D array.\n\n\n### Options\n\n  * `text` — text to encode;\n  * `ec_level` — error correction level. One of `L`, `M`, `Q`, `H`. Default `M`.\n  * `options` — image options object:\n    * `ec_level` — default `M`.\n    * `type` — image type. Possible values `png` (default), `svg`, `pdf` and `eps`.\n    * `size` (png and svg only) — size of one module in pixels. Default `5` for png and `undefined` for svg.\n    * `margin` — white space around QR image in modules. 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