Fixed rows & columns when generating Dotcode

[javierjrueda]

I can access the raw data using bwipjs.raw, but I've noticed pixx, pixy are automatically calculated.

I'd like to be able to edit the number of columns and rows of the generated Dotcode.

Would that be possible?

Thank you very much.

[terryburton]

The rows and columns options allow you to restrict these parameters.

See: https://github.com/bwipp/postscriptbarcode/wiki/DotCode

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Cross-posted here: metafloor/bwip-js#201