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  1. I've converted hello world to QR Barcode image but my question is about getting the text back.. I mean if I sent that image to my friend, then is there any way that my friend get it back to text without using mobile reader/barcode reader machine .etc. so is there any PHP function can do this?!

  2. Jun 1, 2018 · Learn how to convert a string or data into a QR code using Node.js.

  3. May 5, 2021 · After styling the QR code and document, I added three action buttons on hover which will download, copy, or visit the QR/source accordingly. Unfortunately, these buttons do not work in iframes due to permission issues, so they will not function in the StackOverflow snippet, or on CodePen, JSFiddle, CodeSandbox, etc.

  4. Jan 19, 2023 · To generate a QR code in Java, we need to use a third-party library named ZXing (Zebra Crossing). It is a popular API that allows us to process with QR code. With the help of the library, we can easily generate and read the QR code. Before moving towards the Java program, we need to add the ZXing library to the project.

  5. Aug 11, 2011 · 59. Take a look QRCoder - pure C# open source QR code generator. Can be used in three lines of code. QRCodeGenerator qrGenerator = new QRCodeGenerator(); QRCodeGenerator.QRCode qrCode = qrGenerator.CreateQrCode(textBoxQRCode.Text, QRCodeGenerator.ECCLevel.Q); pictureBoxQRCode.BackgroundImage = qrCode.GetGraphic(20);

  6. Jan 25, 2023 · return r.Text; //create QR code and save to file. using (Bitmap bmp = CreateQrCode(data)) bmp.Save(filename, imgFormat); Decode QR Code (Usage 1): Decode QR Code (Usage 2): Note: In the code below, the QR code is read from a file and placed in a byte[]. Reading from a file is for demonstration/testing purposes.

  7. Nov 14, 2022 · If the text is also very small you could convert to base64 and store along-side of it with some sort of delimiter (perhaps a null byte) to distinguish the two parts. You would need to also code an app to read the qr code and interpret the returned base64 strings to turn them back into an image and text respectively.

  8. Since you are trying to store binary data in QR codes, you have to rely only on your own scanner that will handle this binary data. You don’t have to display text from your QR codes by other software, like web application at zxing.org, because most QR decoders, including that of zxing.org use heuristics to detect the character set used.

  9. import cv2 # Name of the QR Code Image file filename = "attandence_Record_QR_code.png" # read the QRCODE image image = cv2.imread(filename) # initialize the cv2 QRCode detector detector = cv2.QRCodeDetector() # detect and decode data, vertices_array, binary_qrcode = detector.detectAndDecode(image) # if there is a QR code # print the data if ...

  10. Oct 31, 2018 · I'm using qr_flutter to create QrImage. It's ok but I would like to convert QrImage into image in order to create a PDF file to print on the printer. Please kindly help! QrImage( data: qrString,