[Barcode4j-users] [ barcode4j-Feature Requests-1886561 ] Implement GS1 DataBar

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Feature Requests item #1886561, was opened at 2008-02-04 20:59
Message generated for change (Comment added) made by jakarsias
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Category: None
Group: None
Status: Open
Priority: 5
Private: No
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: Implement GS1 DataBar

Initial Comment:
Please implement GS1 DataBar or give advice how to do it myself and submitting a patch afterwards:
http://www.gs1.org/productssolutions/barcodes/databar/


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Comment By: Fdomino (jakarsias)
Date: 2010-11-02 13:17

Message:
Has there been any change in plans regarding the GS1 databar? If not what
kind of sponsoring do you "need"? 

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Comment By: Jeremias Mrki (jmaerki)
Date: 2009-06-20 08:17

Message:
No change. Too many cool ideas, too little free time to play. And no
sponsors so far that would make me rearrange my priorities. Patches still
welcome.

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Comment By: Nobody/Anonymous (nobody)
Date: 2009-06-18 14:28

Message:
Has there been any change in plans regarding the GS1 databar?  It's been
well over a year since the last comment here.  Just checking.  Thanks!!!

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Comment By: Jeremias Mrki (jmaerki)
Date: 2008-02-05 12:26

Message:
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Originator: NO

It's unlikely that I will implement GS1 DataBar in the near future unless
someone sponsors the implementation. If you want to do it yourself, here
are the recommended steps to go about it:
- Buy the ISO/IEC 24724:2006 (RSS) specification and study it.
- Familiarize yourself with the Barcode4J source code.
- Start an implementation. It's probably best to make a copy of PDF417
because RSS is also stacked barcode and therefore similar. The most
important part is the logic implementation class. Then the bean plus the
configuration subclass. On the rendering side, you will need a specialized
TwoDimBarcodeLogicHandler subclass for painting the variable height rows.
With all the existing implementations it should be relatively easy to find
the right approach.
- Don't forget to write test cases and add a test for each bug you find
during implementation.
- Finally some documentation will be necessary so people can actually use
it.
- Creating the patch in the end is probably the least of your worries. You
will simply need to pack all new files in a ZIP file and create a unified
diff against CVS HEAD.

Good luck!

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