qrcode-generator-es6
v1.1.4
ES6 QR Code generation module with colors and logos
0/weekUpdated 3 years agoMITUnpacked: 190.0 KB
Published by Kazuhiko Arase
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- qrcode-generator-es6
- How to use:
- qrcode
- isDark
- getModuleCount
- make
- createSvgTag
- createImgTag
- stringToBytesFuncs
- stringToBytes
- QRMode
- QRErrorCorrectionLevel
- QRMaskPattern
qrcode-generator-es6
 Github |  |
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First run:
npm install --save qrcode-generator-es6
Then use it in your code like:
import qrcode from './qrcode.js';
const qr = new qrcode(0, 'H');
qr.addData('This is my data');
qr.make();
my_element.innerHTML = qr.createSvgTag({});
qrcode
Displays a QR code. Set the code data with addData and, call make and then call createSvgTag or createImgTag.
See gallery.html for an example.
Parameters
- typeNumber integer The minimum QR code type number from 1 to 40. Using 0 allows any QR code type number.
- errorCorrectionLevel String 'L','M','Q','H'
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Parameters
- row
- col
Returns boolean true if the module at row, col is dark.
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Returns integer The module count in one dimension of the QR code. The total number of modules is the square of this value.
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Call this when done adding data before getting the generated QR code image.
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Parameters
- args Object
- args.drawCell function? A callback with arguments column, row, x, y to draw a cell. x, y are the coordinates to draw it at. c, y are the QR code module indexes. Returns the svg element child string for the cell.
- args.cellColor function? A callback which returns the color for the cell. By default, a function that returns black. Unused if drawCell is provided.
- args.margin integer? The margin to draw around the QR code, by number of cells.
- args.obstruction Object? An image to place in the center of the QR code.
- args.obstruction.width integer Width of the obstruction as a percentage of QR code width.
- args.obstruction.height integer Height of the obstruction as a percentage of QR code height.
- args.obstruction.path String The path of the obstruction image.
- args.cellSize
Returns String An svg tag as a string.
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Parameters
- cellSize integer The size of a module in pixels.
- margin integer The margin to draw around the QR code in pixels.
Returns String An img tag as a string.