Barcode

The Barcode class provides functionality to generate over 100 different types of 1D and 2D barcodes and return them as Base64 encoded images. It is a utility class with only static methods, so you do not need to create an instance.

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generateBarcode

This function creates a barcode image based on the provided type, text, and configuration options. It returns a base64 encoded string of the generated PNG image.

Parameters

• type: The type of barcode to generate. A full list of supported types can be found here (e.g., qrcode, code128, ean13, pdf417).

• text: The string of text or data that you want to encode into the barcode.

• options: An object containing various options to customize the appearance of the barcode. A full list of options can be found in the Options Reference.

Example: Simple QR Code

This example generates a standard QR code for a URL.

# type
qrcode
# text
https://heisenware.com

Example: Styled Code 128 Barcode

This example creates a code128 barcode, scales it, includes the human-readable text, and applies custom colors.

# type
code128
# text
Heisenware Rocks!
# options
scale: 3
includeText: true
textAlign: center
barColor: 0F7180
textColor: 0F7180

Example: Rotated EAN-13 Barcode

This example generates an ean13 barcode (which requires a 12-digit input) and rotates it 90 degrees to the right.

# type
ean13
# text
400638133393
# options
scale: 4
rotate: R

Output

The function outputs a base64 encoded string representing the generated barcode image. For example: iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACt...