[scribus] barcodes

[Fred at Nimble Books]

there's a command-line tool called zint that "speaks" dozen of bar-code
syntaxes:

http://sourceforge.net/p/zint/wiki/Home/

A barcode encoding library supporting over 50 symbologies including Code
128, Data Matrix, USPS OneCode, EAN-128, UPC/EAN, ITF, QR Code, Code 16k,
PDF417, MicroPDF417, LOGMARS, Maxicode, GS1 DataBar, Aztec, Composite
Symbols and more.




On Wed, May 14, 2014 at 12:40 PM, Gregory Pittman <gpittman at iglou.com>wrote:

> I think it's worth pointing out that there is more than one way to skin
> a barcode.
>
> The main thing that the barcode generator offers is convenience. It's
> not the only way, and in some ways not the best method for generating
> codes.
>
> Barcodes follow a set of rules that typically involve the following:
>
> 1. Thin line elements
> 2. Thick line elements
> 3. Thin space elements
> 4. Thick space elements
> 5. Starting and stopping codes, to show where a barcode begins, and
> where it ends
> 6. Checksum elements
> 7. Some restrictions on which characters can be coded
>
> Once you are able to get access to the rules of a particular code, it is
> not difficult (I wouldn't call it trivial) to create such codes within
> Scribus.
>
> For example, the wiki contains some work I have done in regard to Code39:
>
> http://wiki.scribus.net/canvas/Generating_a_Code39_Barcode
>
> http://wiki.scribus.net/canvas/A_Standard_Form_with_Barcodes_and_Custom_Entries
>
> The latter page shows how to incorporate barcode generation as a
> function (makebars) in a larger script.
>
> Mathematicians and coders talk about elegance in some formula or code.
> The elegance in these scripts, I think, is that they are native Scribus
> generators of barcodes, using lines and spaces of precise width and
> numerically spaced on the page. The length of the lines is also user
> definable, as is the font used when you wish to show the code in
> numerical format.
>
> Greg
>
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