qr-code | library helps you generate QR codes | QRCode Processing library
kandi X-RAY | qr-code Summary
kandi X-RAY | qr-code Summary
This library helps you generate QR codes in a jiffy. Makes use of bacon/bacon-qr-code to generate the matrix and khanamiryan/qrcode-detector-decoder for validating generated QR codes. Further extended with Twig extensions, generation routes, a factory and a Symfony bundle for easy installation and configuration. Different writers are provided to generate the QR code as PNG, SVG, EPS or in binary format.
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Top functions reviewed by kandi - BETA
- Writes a QR code
- Adds a logo .
- Create the bacon matrix
- Convert an errorCorrectionLevel to an error correction level
- Get the string representation of the image .
- Save string to file .
- Get image .
- Get data URI .
qr-code Key Features
qr-code Examples and Code Snippets
itchat.auto_login(enableCmdQR=True)
# for some linux system, width of block character is one instead of two, so enableCmdQR should be 2
itchat.auto_login(enableCmdQR=2)
itchat.auto_login(enableCmdQR=-1)
public static BufferedImage generateQRCodeImage(String barcodeText) throws Exception {
ByteArrayOutputStream stream = QRCode
.from(barcodeText)
.withSize(250, 250)
.stream();
ByteArrayIn
public static BufferedImage generateQRCodeImage(String barcodeText) throws Exception {
QRCodeWriter barcodeWriter = new QRCodeWriter();
BitMatrix bitMatrix = barcodeWriter.encode(barcodeText, BarcodeFormat.QR_CODE, 200, 200);
@PostMapping(value = "/qrgen/qrcode", produces = MediaType.IMAGE_PNG_VALUE)
public ResponseEntity qrgenQRCode(@RequestBody String barcode) throws Exception {
return okResponse(QRGenBarcodeGenerator.generateQRCodeImage(barcode));
}
Community Discussions
Trending Discussions on qr-code
QUESTION
GitHub automatically generates meta tag image for each repository with dynamic content if user doesn't provide any thumbnail image.
eg:
This is the meta image for one of my repository
https://github.com/e-labInnovations/qr-code-speech
I want impliment this feature on my wordpress. Generate dynamic png image contain post title
, date
, author name
, and author avatar image
.
Is it possible in WordPress? If yes, then how?
...ANSWER
Answered 2022-Apr-04 at 04:01function.php
QUESTION
I have been generated a qrcode in my php script and the output tag is something like this:
...ANSWER
Answered 2022-Mar-18 at 16:36You're not actually fetching the image. You're just storing the literal URL as text in your test.png
file.
First fetch the image:
QUESTION
When deoploying my website with Heroku, I run into the following issue:
...ANSWER
Answered 2022-Mar-16 at 11:34It looks like you have a typo in your settings.py
. Something like this:
QUESTION
Hallo i got some Error with my code i already try some of the solution but still not work, can someone help me? Thank You
App.tsx
...ANSWER
Answered 2022-Mar-16 at 10:26There's a typo mistake on the NavigationContainer
component. Refactor code as below:
QUESTION
IronBarcode (preferred)
We want to print a QR Code in a Label with iTextSharp. We use IronBarcode to generate the Barcode. Also see: IronBarcode Tutorial
...ANSWER
Answered 2022-Feb-21 at 08:58If you using iTextSharp Why don't do it all the way in iTextSharp?
QUESTION
I'm trying to generate QR code images that contain Google Maps routes. For example, I have the following Google Maps URL:
...ANSWER
Answered 2022-Mar-07 at 01:26Try formally encoding it as a url first:
QUESTION
I have a mobile app in Xamarin where a QR-code scanner is needed. Scanning the code works fine... After scanning a code, the user is redirected to another page. After checking out this page, the user is redirected to the page where the scanner is located. So, when this redirection happens, I get the error Java.Lang.RuntimeException: 'getParameters failed (empty parameters)'
... I googled for hours but couldn't find any solution for this problem. BTW, it also happens when I use the 'back' button on the emulator or real word Android device...
ANSWER
Answered 2022-Mar-05 at 22:48--SOLVED-- Changing the PushAsync(pageX()) to PopAsync(); worked in my case. Found out that the problem is bases around getting the camera parameters. These are not available, because the camera is already using it in the former screen. So closing the camera/ending the camera activity is also a solution!
QUESTION
ANSWER
Answered 2022-Feb-13 at 18:35This should work now. Remove Semicolons after the closing tags of class .bg and .container
QUESTION
I tried to create a QR code with QRcode.js library. As of the UI, I can manually click on the button download to download it but I would to download automatically without clicking the button.
Base on my code bellow.
...ANSWER
Answered 2022-Feb-11 at 09:11I've had this issue in the past, and I've worked around it by creating a small util function I can invoke upon button pressing. But invoking it directly at the end of your function should have the same result as a user click, effectively automatically downloading the QR code without user input.
QUESTION
I'm doing a view where once I click I'm displaying
For Loop
I am having a view that captures a QR code and displays it on the screen, what I want to do next is take these values by iterating the elements with a for loop and save it in an array, in this case my ID is id="scanned-result" and I want to iterate each containing values and saving to an array.
I am doing this but for some reason it is not performing the operation correctly. I would like to know what I should correct?
...ANSWER
Answered 2022-Feb-07 at 20:40Since there is no element on your page, as charlietfl pointed out, you won't get any results.
Since your HTML markup is the following:
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