image.img:qr_decode
Declaration
lua
img:qr_decode([x1, y1, x2, y2 [, timeout_ms]])Description
Decode first QR/barcode from image.
Parameters
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
x1,y1,x2,y2 | number | Optional | Full image | |
timeout_ms | number | Optional | 3000 |
Return Values
| Type | Description |
|---|---|
| string | Decoded text |
| table | Detail info |
Example
lua
local text = img:qr_decode()