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To Use Checksum and Supplement Data for Barcodes using Aspose.Barcode Java for Ruby, simply invoke UseChecksumAndSupplementData module. Here you can see example code.
Ruby Code
data_dir = File.dirname(File.dirname(File.dirname(File.dirname(__FILE__)))) + '/data/'
\# Instantiate barcode object
bb = Rjb::import('com.aspose.barcode.BarCodeBuilder').new
\# Set the Code text for the barcode
bb.setCodeText("1234567")
\# Set the symbology type to Code39
bb.setSymbologyType(Rjb::import('com.aspose.barcode.Symbology').Code39Standard)
\# Make the checksum to be visible on the barcode
bb.setEnableChecksum(Rjb::import('com.aspose.barcode.EnableChecksum').Default)
\# Save the image to disk in JPG format
bb.save(data_dir + "barcode.jpg")
\# Print message
puts "Barcode image generated successfully."
Download Use Checksum and Supplement Data for Barcodes (Aspose.BarCode) from any of the below mentioned social coding sites:
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