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<H1>6. Legal and Version Information</H1>
<P><A NAME="LICENSE"></A><FONT SIZE=5><B>6.1 License</B></FONT></P>
<P><IMG SRC="gplv3-127x51.png" NAME="graphics1" ALIGN=RIGHT WIDTH=127 HEIGHT=51 BORDER=0>Zint
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and <I>libzint</I> are Copyright © 2009 Robin Stuart &amp; BogDan
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Vatra and are distributed under the terms of the <A HREF="http://www.gnu.org/copyleft/gpl.html">GNU
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General Public License</A> version 3. See the file <FONT FACE="Courier">COPYING</FONT>
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for more information. The following terms form part of the GPL:</P>
<P><FONT FACE="Courier">This program is free software; you can
redistribute it and/or modify it under the terms of the GNU General
Public License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.</FONT></P>
<P><FONT FACE="Courier">This program is distributed in the hope that
it will be useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
the GNU General Public License for more details.</FONT></P>
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<P>Some Data Matrix code is Copyright © 2004 Adrian Kennard, Andrews &amp;
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Arnold Ltd and © 2006 Stefan Schmidt, used under the terms of the
GNU General Public Licence.</P>
<P>Reed-Solomon code is Copyright © 2004 Cliff Hones, used under the
terms of the GNU General Public Licence.</P>
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<P>Portions of GS1 DataBar and Composite Symbology code are Copyright
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© 2006 ISO/BSI Global and used with permission.</P>
<P>Portions of OneCode code is © 2006 United States Postal Service.
This is indicated where appropriate in the source code and is used on
the understanding that this code has been released to the public
domain and that such use is intended by the copyright holder.</P>
<P><I>libqrencode</I> is Copyright © 2006, 2007, 2008 Kentaro
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Fukuchi and is released under the terms of the GNU General Public
Licence.</P>
<P>QR Code is a registered trademark of Denso Corp. of Kariya, Japan.</P>
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<P><IMG SRC="rse_logo.png" NAME="graphics2" ALIGN=RIGHT WIDTH=120 HEIGHT=64 BORDER=0>Zint.org.uk
website design and hosting provided by <A HREF="http://www.rsewebsolutions.co.uk/">RSE
Web Solutions.</A></P>
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<P><A NAME="PATENT"></A><FONT SIZE=5><B>6.2 Patent Issues</B></FONT></P>
<P>All of the code in Zint is developed using information in the
public domain, usually freely available on the Internet. Some of the
techniques used may be subject to patents and other intellectual
property legislation. It is my belief that any patents involved in
the technology underlying symbologies utilised by Zint are
'unadopted', that is the holder does not object to their methods
being used. If, however, you are a patent holder or hold any other
intellectual property rights on the methods used by Zint or the
symbologies which Zint generates, and do not want Zint to continue to
support your symbology then please contact me and I will update the
code to accommodate your wishes at the soonest opportunity.</P>
<P>Any methods patented or owned by third parties or trademarks or
registered trademarks used within Zint or in this document are and
remain the property of their respective owners and do not indicate
endorsement or affiliation with those owners, companies or
organisations.</P>
<P><A NAME="VERSION"></A><FONT SIZE=5><B>6.3 Version Information</B></FONT></P>
<P>v0.1 - (as <I>Zebar</I>) Draws UPC-A. UPC-E, EAN-8, EAN-13,
Interlaced 2 of 5, Codabar, Code 39, Extended Code 39 and Code 93
barcodes and Add-on codes EAN-2 and EAN-5 without parity. 13/11/2006</P>
<P>v0.2 - Added Code 128 (which is now the default), Code 11, Code 2
of 5, Add-on codes EAN-2 and EAN-5 parity and MSI/Plessey without
check digit. 12/12/2006</P>
<P>v0.3 - Added MSI/Plessey Mod 10 check and 2 x Mod 10 check
options, Telepen ASCII and Telepen numeric, Postnet, RM4SCC. Code has
been tidied up quite a bit. Bind option added. 30/12/2006</P>
<P>v0.4 - Added barcode stacking (now stacks up to 16 barcodes) and
Code16k (stub). 15/1/2007</P>
<P>v0.5 - Added Australia Post 4-State Barcodes and Pharmacode (1 and
2 track). 4-state codes now draw with correct height/width ratio.
28/2/2007</P>
<P>v0.6 - Added Plessey and some derivative codes (EAN-128, Code 128
subset B, Auspost Reply, Auspost Routing, Auspost Redirect, ITF-14).
Tidied up code again: separated symbologies into more files and put
all lookup tables into arrays (much reducing the amount of code,
especially for Code 39e and Code 93). Errors now output to stderr.
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Added proper input verification. Distribution now packs with HTML
pages instead of separate README. Outputs to PNG. Outputs colour.
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User variable whitespace and border width. Box option. Fixed EAN
add-on bug. Added whitespace and height options. Project name changed
to Zint to avoid conflict with extant trade name. Added escape
character input. 1/4/2007</P>
<P>v1.0 - Corrected problem with escape character codes. Supports
PDF417. This completes the list of features I originally wanted (plus
a few more), hence skip to version 1.0. 20/4/2007</P>
<P>v1.1 - Added more derivatives (Code 2 of 5 Matrix, IATA and Data
Logic, Truncated PDF417, Deutsche Post Leitcode and Identcode,
Pharmazentralnummer, Planet) and Flattermarken. Tidied up 2 of 5
code. 26/4/2007</P>
<P>v1.2 - Supports Data Matrix (by absorption of IEC16022 code by
Stefan Schmidt et al). Added reverse colours, FIM, MSI/Plessey Modulo
11 and Modulo 11/10. Corrected Code 16k check digit calculation.
28/5/2007</P>
<P>v1.3 - Supports USPS OneCode and LOGMARS. Brought all usage
information into one User Manual document. 13/6/2007</P>
<P>v1.4 - Added NVE-18 support. Corrected some problems with
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compilation and input verification. Command line option handling now
uses getopt(), and all the switches have changed. Added --font
option. 20/6/2007</P>
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<P>v1.5 - Pulled everything together to make an API. Corrected errors
with EAN-13, PDF417 and LOGMARS. Added EPS output. Added QR Code
support using libqrencode. Corrected ISBN verification error.
Re-compiled documentation in HTML form. Put in place proper error
handling routines. --font option removed. Encoding is now done with a
restructured zint_symbol structure. Added make install option and
optional QR Code support to Makefile. Corrected minor problem with
4-State Codes. Restructured code into fewer source code files. Added
MicroPDF417 support. 12/8/2007</P>
<P>v1.5.1 - Added formatting code to EPS output of EAN and UPC
symbols according to EN 797:1996. Checked against and, where
appropriate, altered or corrected to comply with ISO 16388 and ISO
15417 including Latin-1 support. Altered default image settings,
added automatic ITF border. Corrected error with USPS OneCode. Tidied
up Code 39 quite a bit, added Mod 43 options. 3/9/2007</P>
<P>v1.5.2 - Added extended ASCII support to Code 16k. Corrected Code
128 error. Added Maxicode support by integrating code by John Lien.
26/9/2007</P>
<P>v1.5.3 - Made huge corrections to Maxicode support by removing and
re-writing much of John's code. Maxicode now supports extended ASCII
and modes 4, 5 and 6. 10/10/2007</P>
<P>v1.5.4 - Added GS1 DataBar (Reduced Space Symbology) support.
26/11/2007</P>
<P>v1.5.5 - Added composite symbology support. Corrected errors with
GS1-128 and PDF417/MicroPDF417 byte processing. Transferred licence
to GPL version 3. 9/3/2008</P>
<P>v1.6 Data Matrix, Maxicode and Australia Post now use common
Reed-Solomon functions this also fixes a bug in Maxicode error
correction and replaces the last of the Lien code. Added PNG output
for Maxicode symbols. Removed some useless code. Updated QR support
for <I>libqrencode</I> v2.0.0. 22/4/2008</P>
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<P>v1.6.1 Major restructuring of PNG generating code: Now draws
UPCA and EAN symbols properly and puts human readable text into the
image. Also corrected some nasty 'never ending loop' bugs in Code 128
and check digit bugs in PostNet and Planet. 8/7/2008</P>
<P>v1.6.2 Added KIX Code support and PNG image rotation.
Corrected a bug affecting extended ASCII support in Code 128 and Code
16k. 28/7/2008.</P>
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<P>v2.0 beta - Added support for Aztec Code, Codablock-F, Code 32,
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EAN-14 and DAFT Code. Re-arranged symbology numbers to match Tbarcode
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v8. Corrected a never ending loop bug in EAN-128. 29/9/2008</P>
<P>v2.0 beta r2 Many corrections and bugfixes. (Code 11, Code
128, EAN-128, Aztec Code, Codablock-F, Code 16k, Postnet, PLANET,
NVE-18, PZN, Data Matrix, Maxicode and QR Code)</P>
<P>v2.0 - Made corrections to Aztec Code and tested output with
bcTester. Added Aztec Runes, Micro QR Code and Data Matrix ECC
000-140. Updated e-mail information. 18/11/2008</P>
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<P>v2.1 Reinstated Korea Post barcodes, harmonised bind and box
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options, moved Unicode handling into backend and added input_mode
option, added size options to
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Data Matrix, added NULL character handling for Codablock-F, Code 128,
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Code 16k, Extended Code 39, Code 93, Telepen, Maxicode, Data Matrix ECC 200,
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PDF417 and MicroPDF417. Added GS1 support for
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Code 16k, Codablock-F and Aztec Code. Added scale and direct to
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<FONT FACE="Courier, monospace">stdout</FONT> options. Rebult
Data Matrix ECC 200 encoding algorithms to support NULL encoding and
GS1 data encoding. 31/1/2009</P>
<P>v2.1.1 - Minor Data Matrix bugfix and added HIBC options. 10/2/2009</P>
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<P>v2.1.2 - Added SVG output option. Improved Japanese character support
including Unicode &gt; Shift-JIS capability. Bugfixes for Data Matrix
(missing characters at end of string) and Codablock-F (K1/K2 check digit
and row indicators above row 6). 1/3/2009</P>
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<P><A NAME="CREDITS"></A><FONT SIZE=5><B>6.4 Sources of Information</B></FONT></P>
<P>Below is a list of some of the sources used in rough chronological
order:</P>
<P><A HREF="http://www.spatula.net/proc/barcode/index.src">Nick
Johnson's Barcode Specifications</A></P>
<P><A HREF="http://www.barcode-1.net/pub/russadam/spec.html">Bar Code
1 Specification Source Page</A></P>
<P><A HREF="http://www.telepen-barcode.co.uk/">SB Electronic Systems
Telepen website</A></P>
<P>Pharmacode specifications from <A HREF="http://www.laetus.com/">Laetus</A></P>
<P><A HREF="http://www.morovia.com/education/symbology/royalmail.asp">Morovia
RM4SCC specification</A></P>
<P><A HREF="http://www.auspost.com.au/">Austalia Post's</A> 'A Guide
to Printing the 4-State Barcode' and bcsample source code</P>
<P>Plessey algorithm from <A HREF="http://ar.linux.it/pub/barcode">GNU-Barcode
v0.98</A> by Leonid A. Broukhis</P>
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<P><A HREF="http://www.gs1uk.org/downloads/standards/GS1%20General%20%20Specifications.pdf">GS1
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General Specifications v 8.0 Issue 2</A></P>
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<P><A HREF="http://www.linpng.org/pub/png/book/">PNG: The Definitive
Guide</A> and wpng source code by Greg Reolofs</P>
<P>PDF417 specification and pdf417 source code by <A HREF="http://grandzebu.net/index.php">Grand
Zebu</A></P>
<P>Barcode Reference, TBarCode/X User Documentation and TBarCode/X
demonstration program from <A HREF="http://www.tec-it.com/">Tec-It</A></P>
<P><A HREF="http://www.datenfreihafen.org/projects/iec16022.html">IEC16022
source code by Stefan Schmidt et al</A></P>
<P><A HREF="http://ribbs.usps.gov/onecodesolution/">United States
Postal Service Specification USPS-B-3200</A></P>
<P>Adobe Systems Incorporated Encapsulated PostScript File Format
Specification</P>
<P><A HREF="http://www.bsi-global.com/">BSI Online</A> Library</P>
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<P><A HREF="http://sourceforge.net/projects/libdmtx">Libdmtx</A> Data Matrix
decoding library</P>
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<P><A NAME="STANDARD"></A><FONT SIZE=5><B>6.5 Standard Compliance</B></FONT></P>
<P>Zint was developed to provide compliance with the following
British and international standards:
</P>
<P>BS EN 797:1996 Bar coding Symbology specifications - 'EAN/UPC'</P>
<P>BS EN 798:1996 Bar coding Symbology specifications - “Codabar”</P>
<P>BS ISO/IEC 12323:2005 AIDC technologies Symbology
specifications Code 16K</P>
<P>BS ISO/IEC 15417:2007 Information technology Automatic
identification and data capture techniques Code 128 bar code
symbology specification</P>
<P>BS ISO/IEC 15438:2006 Information technology Automatic
identification and data capture techniques PDF417 bar code
symbology specification</P>
<P>BS ISO/IEC 16022:2006 Information technology Automatic
identification and data capture techniques Data Matrix bar code
symbology specification</P>
<P>BS ISO/IEC 16023:2000 Information technology International
symbology specification - Maxicode</P>
<P>BS ISO/IEC 16388:2007 Information technology Automatic
identification and data capture techniques Code 39 bar code
symbology specification</P>
<P>BS ISO/IEC 18004:2006 Information technology Automatic
identification and data capture techniques QR Code 2005 bar code
symbology specification</P>
<P>BS ISO/IEC 24723:2006 Information technology Automatic
identification and data capture techniques EAN.UCC Composite bar
code symbology specification</P>
<P>BS ISO/IEC 24724:2006 Information technology Automatic
identification and data capture techniques Reduced Space
Symbology (RSS) bar code symbology specification</P>
<P>BS ISO/IEC 24728:2006 Information technology Automatic
identification and data capture techniques MicroPDF417 bar code
symbology specification</P>
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<P>ISO/IEC 24778:2008 Information technology Automatic
identification and data capture techniques Aztec Code bar code
symbology specification</P>
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<P>Uniform Symbology Specification Codablock F (AIM Europe, 1995)</P>
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<P>GS1 General Specifications Version 8.0</P>
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<P>ANSI/HIBC 2.2-2006 - The Health Industry Bar Code (HIBC)
Supplier Labeling Standard</P>
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<P ALIGN=LEFT><BR><BR>
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<P ALIGN=RIGHT>Appendix A</P>
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