Image QR Scanner
The Image QR Scanner node is used to scane an image for a QR code. It's typically used in conjunction with the Open File Picker node, to allow the user to upload a file.
When a QR code has been successfully identified, the node will send a Scan Successful event and the decoded string, otherwise Scan Failed.
| Data | Description |
|---|
| Image File | The image file to look for the QR code in. Typically provided through an Open File Picker node. The input should be of type File |
| Signal | Description |
|---|
| Scan | Triggers a QR code scan in the file provided in the Image File input. |
Outputs
| Data | Description |
|---|
| Scan Result | This output contains the decoded string when a QR code has been found and decoded. If no QR code is found this string will be empty. |
| Valid Scan | A boolean that is true if the last scan was valid, otherwise false. |
| Signal | Description |
|---|
| Scan Successful | Sends a signal when a successful scan was done. The resulting scan is on the Scan Result output. |
| Scan Failed | Sends a signal when the latest scan failed, i.e. no QR code was found. |
