@moh586/qr-code-vue3-dimobit
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1.4.24 • Public • Published

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Vue3 QR Code Styling

Version

JavaScript library for generating QR codes with a logo and styling.

this clone copy of https://qr-code-styling.com

If you have issues / suggestions / notes / questions, please open an issue or contact me. Let's create a cool library together.

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Examples

Installation

npm install qrcode-vue3 --save

QR Code Scanner

If you are looking for QR code reader, see qrcode-reader-vue3 project

npm install --save qrcode-reader-vue3

Usage

<template>
  <div>
  
   <QRCodeVue3
          value="Simple QR code"
        />

   <QRCodeVue3
          :width="200"
          :height="200"
          value="https://scholtz.sk"
          :qrOptions="{ typeNumber: 0, mode: 'Byte', errorCorrectionLevel: 'H' }"
          :imageOptions="{ hideBackgroundDots: true, imageSize: 0.4, margin: 0 }"
          :dotsOptions="{
            type: 'dots',
            color: '#26249a',
            gradient: {
              type: 'linear',
              rotation: 0,
              colorStops: [
                { offset: 0, color: '#26249a' },
                { offset: 1, color: '#26249a' },
              ],
            },
          }"
          :backgroundOptions="{ color: '#ffffff' }"
          :cornersSquareOptions="{ type: 'dot', color: '#000000' }"
          :cornersDotOptions="{ type: undefined, color: '#000000' }"
          fileExt="png"
          :download="true"
          myclass="my-qur"
          imgclass="img-qr"
          downloadButton="my-button"
          :downloadOptions="{ name: 'vqr', extension: 'png' }"
        />
  </div>
</template>

<script>
import QRCodeVue3 from "qrcode-vue3";

export default {
  name: 'QRCodeVue3Example',
  components: {
    QRCodeVue3
  },
}
</script>

API Documentation

VQRCodeStyling instance

new VQRCodeStyling(options) => VQRCodeStyling

Param Type Description
options object Init object

options structure

Property Type Default Value Description
width number 300 Size of canvas
height number 300 Size of canvas
download boolean false To endable download button
myclass string '' Image DIV class
imgclass string '' Image class
downloadButton string '' download button class
downloadOptions object download option name and extension
value string The date will be encoded to the QR code
image string The image will be copied to the center of the QR code
margin number 0 Margin around canvas
qrOptions object Options will be passed to qrcode-generator lib
imageOptions object Specific image options, details see below
dotsOptions object Dots styling options
cornersSquareOptions object Square in the corners styling options
cornersDotOptionsHelper object Dots in the corners styling options
backgroundOptions object QR background styling options

options.qrOptions structure

Property Type Default Value
typeNumber number (0 - 40) 0
mode string ('Numeric' 'Alphanumeric' 'Byte' 'Kanji')
errorCorrectionLevel string ('L' 'M' 'Q' 'H') 'Q'

options.imageOptions structure

Property Type Default Value Description
hideBackgroundDots boolean true Hide all dots covered by the image
imageSize number 0.4 Coefficient of the image size. Not recommended to use ove 0.5. Lower is better
margin number 0 Margin of the image in px
crossOrigin string('anonymous' 'use-credentials') Set "anonymous" if you want to download QR code from other origins.

options.dotsOptions structure

Property Type Default Value Description
color string '#000' Color of QR dots
gradient object Gradient of QR dots
type string ('rounded' 'dots' 'classy' 'classy-rounded' 'square' 'extra-rounded') 'square' Style of QR dots

options.backgroundOptions structure

Property Type Default Value
color string '#fff'
gradient object

options.cornersSquareOptions structure

Property Type Default Value Description
color string Color of Corners Square
gradient object Gradient of Corners Square
type string ('dot' 'square' 'extra-rounded') Style of Corners Square

options.cornersDotOptions structure

Property Type Default Value Description
color string Color of Corners Dot
gradient object Gradient of Corners Dot
type string ('dot' 'square') Style of Corners Dot

Gradient structure

options.dotsOptions.gradient

options.backgroundOptions.gradient

options.cornersSquareOptions.gradient

options.cornersDotOptions.gradient

Property Type Default Value Description
type string ('linear' 'radial') "linear" Type of gradient spread
rotation number 0 Rotation of gradient in radians (Math.PI === 180 degrees)
colorStops array of objects Gradient colors. Example [{ offset: 0, color: 'blue' }, { offset: 1, color: 'red' }]

Gradient colorStops structure

options.dotsOptions.gradient.colorStops[]

options.backgroundOptions.gradient.colorStops[]

options.cornersSquareOptions.gradient.colorStops[]

options.cornersDotOptions.gradient.colorStops[]

Property Type Default Value Description
offset number (0 - 1) Position of color in gradient range
color string Color of stop in gradient range

VQRCodeStyling methods

VQRCodeStyling.append(container) => void

Param Type Description
container DOM element This container will be used for appending of the QR code

VQRCodeStyling.update(options) => void

Param Type Description
options object The same options as for initialization

VQRCodeStyling.download(downloadOptions) => void

Param Type Description
downloadOptions object Options with extension and name of file (not required)

downloadOptions structure

Property Type Default Value Description
name string 'qr' Name of the downloaded file
extension string ('png' 'jpeg' 'webp') 'png' File extension

if any issue check

also you can buy me a coffee @ Patreon

License

MIT License. Copyright (c) 2021 Diadal Nig

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npm i @moh586/qr-code-vue3-dimobit

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Version

1.4.24

License

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Collaborators

  • moh586