image.image.qr_encode
Declaration
lua
image.qr_encode(payload [, options])Description
Generate QR code image using nayuki/qrcodegen + CoreGraphics.
Parameters
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
payload | string | Required | — | Text to encode in QR code |
options | table | Optional | — | {size=320, fill_color=0xFF000000, background_color=0xFFFFFFFF} |
Return Values
| Type | Description |
|---|---|
| image_buffer | QR code image |
Example
lua
local qr = image.qr_encode("https://example.com", {size=256})