Qt EAN13 Barcode class
EANstandsforEuropeanArticleNumber;itisa13-digitnumericcodethatuniquelyidentifiesacommerciallysoldproduct.ItisasupersetoftheamericanUPCorUniversalProductCode.ThisarticleshowsabasicclasswithwhichtoencodeanddrawanEAN-13/UPCbarcodeontoanarbitraryrectangleonaQPaintDevice.Atrivialprog
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