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app.js
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app.js
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const qr = require('qr-image');
const fs = require('fs');
// Importing jimp
const Jimp = require("jimp");
// Importing qrcode-reader
const qrCodeReader = require('qrcode-reader');
// Generate QR code image and save to file
const qrCodeImage = qr.imageSync
(
'Hello !',
{
type: 'png',
size: 300,
margin: 4,
}
);
let qrName = `qr-Code` + Math.random();
fs.writeFileSync(`Bar Code/${qrName}.png`, qrCodeImage);
console.log(`QR code is generated with file name :- ${qrName}.png`);
// Read the image and create a buffer
const buffer = fs.readFileSync(`Bar Code/${qrName}.png`);
// Parse the image using Jimp.read()
Jimp.read(buffer, function(err, image)
{
if (err)
{
console.error(err);
}
// Creating an instance of qrcode-reader
const qrCodeInstance = new qrCodeReader();
qrCodeInstance.callback = function(err, value)
{
if(err)
{
console.error(err);
}
// Printing the decrypted value
// console.log(value.result);
};
// Decoding the QR code
qrCodeInstance.decode(image.bitmap);
});