As far as I understood it is Barcode generation and not scanning. I'm in a project using EAN13 (and 8) a lot, but the scanning is done at the client with a third party lib. However it is good to know I'll have support at the server side.
Regards, El 15/06/2013 05:01, "Stéphane Ducasse" <stephane.duca...@inria.fr> escribió: > Excellent > How do you plug that with a camera and image recognition system? > > > Hi, > > > > didnt know Barcodes are so easy to implement in Smalltalk. So I started > with EAN13 barcode > > together with unit tests. Project lives on: > > > > http://smalltalkhub.com/#!/~TorstenBergmann/Barcode > > > > You can also load it using the config browser in Pharo 2.0 now. > > > > It is already usable - thanks to the power of Pharo. Short Guide: > > > > > ------------------------------------------------------------------------------------------------ > > To instantiate: > > > > BarcodeEAN13 value: '2109876543210' > > > > You can get the binarySequence of a barcode: > > > > (BarcodeEAN13 value: '2109876543210') binarySequence > > > > calcuate the checksum (last digit: > > > > (BarcodeEAN13 value: '2109876543210') computeChecksum > > > > or visualize the barcode: > > > > BarcodeEAN13 example asForm asMorph openInWorld > > > > or to write to a file: > > > > PNGReadWriter putForm: BarcodeEAN13 example asForm onFileNamed: > 'sample.png' > > > > > ------------------------------------------------------------------------------------------------ > > > > Feel free to extent with other barcode types. > > > > Have fun > > T. > > > > <sample.png> > > >
