# meerk40t-barcodes
MeerK40t 0.8+ Barcode extension.
## Barcode-Extension
* Registers the console command: `qrcode` which will generate a qrcode
Usage: `qrcode x_pos y_pos dim code`
Arguments:
> x_pos X-position of qr-code
> y_pos Y-position of qr-code
> dim Width/length of qr-code
> code Text to create qr-code from
Options:
> --boxsize (-x) Boxsize (default 10)
> --border (-b) Border around qr-code (default 4)
> --version (-v) size (1..40)
> --errcorr (-e) error correction, one of L (7%), M (15%), Q (25%), H (30%)
* Registers the console command: `barcode` which will generate a barcode
Usage: `barcode x_pos y_pos dimx dimy btype code`
Arguments:
> x_pos X-Position of barcode
> y_pos Y-Position of barcode
> dim Width of barcode, may be 'auto' to keep native width
> dimy Height of barcode, may be 'auto' to keep native height
> btype Barcode type
> code The code to process
Options:
> --notext (-n) suppress text display
* GUI-Support
The installation of this tool will register a new button in the Design section of MeerK40t:
<img width="639" alt="image" src="https://user-images.githubusercontent.com/2670784/232893108-c2f4293c-f084-4d5b-8900-b4cbd74f0e38.png">
If you click on it then a dialog will pop up allowing you to design a qr-code / a barcode:
<img width="258" alt="image" src="https://user-images.githubusercontent.com/2670784/232893402-88694837-370a-4b34-a0b7-e9e2ac83c0bc.png">
This will create an element in Meerk40t that can be treated like any other regular path, but which will allow post-creation change of the underlying code (ie the barcode will be regenerated based on the new input).
<img width="432" alt="image" src="https://user-images.githubusercontent.com/2670784/232892296-c3cbae13-53d8-4143-9667-94cdc31cb4a5.png">
## Installation
* `pip install meerk40t-barcodes`
Or
* Download into a directory:
* `$ pip install .`
## Development
* If you are developing your own extension for meerk40t you will want to use:
* `$ pip install -e .` this installs the python module in edit mode which allows you to easily see and experience your changes. Without reinstalling your module.
## Acknowledgements
* This MeerK40t extension uses the work of two great libraries to create barcodes & QR codes:
* The python-barcode library (https://github.com/WhyNotHugo/python-barcode)
* The qrcode library (https://github.com/lincolnloop/python-qrcode)
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