View Source Image.QRcode (image v0.11.0)
Detects and decodes QRcodes.
Note that the implementation, which is based upon eVision requires that the image be a 3-channel image in order to support detection.
Images that are in different formats must be converted first.
Link to this section Summary
Functions
Detects and decodes a QR code in an image.
Link to this section Functions
Detects and decodes a QR code in an image.
arguments
Arguments
image
is anyVix.Vips.Image.t/0
that has three bands (for example, a typical srgb image).
returns
Returns
{:ok, string}
or{:error, reason}
note
Note
Only images with three bands (channels) are supported. This restriction may be lifted in a future release.