text based 2d barcode append

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mofo syne

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Apr 27, 2015, 12:19:52 PM4/27/15
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Had a look at the fact that both QR codes and Data matrix both have structured append. Which is pretty cool. But doesn't strike me as transparent enough for users. Plus text is easier to handle.

If joining a sequence of 2d barcodes together, maybe use the "APPEND:" notation (Noticed many format starts with "FormatName:" e.g. http:// ). I did think to use "[1,3]" kind of notation for space saving, but "1 of 3" is better for legibility (thus future proofing).

This would be useful for data-uri since even a small html page can be larger than a single QR/DM code. If implemented in zxing, it's most likely just as a hook for other programs (specifically... current message number and total messages, as well as the payload and optionally IDname). But of course it would be nice if it can auto prompt for next barcode, then output the full payload after scanning all.


APPEND: 1 of 3 "optionalIDname"
<<SOME DATA1 HERE>>


APPEND: 2 of 3 "optionalIDname"
<<SOME DATA2 HERE>>


APPEND: 3 of 3 "optionalIDname"
<<SOME DATA3 HERE>>
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