uiform dmdecode

(dmdecode . args)

The uiform dmdecode element takes a photo of a data matrix 2D barcode and displays it's content as a string.

Parameter	Default	Description
id	#f	Variable to store decoded string in
location	'db	Dmdecode variable storage location
default	""	Default text before decoding

Example

Example 1: A complete page with data matrix encoding and decoding, from LNhealth's apps/WidgetDemo

(ex_barcodes
  "Barcodes"
  ("Prev" ex_camera)
  ("Next" ex_sensors)
  (spacer)
  (label text "Data Matrix Barcode:")
  (spacer)
  (dmencode text "http://lambdanative.org")
  (spacer)
  (label text "Touch button to take photo and\nscan it for DM barcode:" wrap #t)
  (spacer)
  (dmdecode id dmtest default "<no code>")
  (spacer)
)