Conversion routines for Barcodes Code128 and inteleaved 2 of 5

[kenajcooper]

Hi All

I have a need to convert numbers to barcodes for both Code 128 and
Interleaved 2 of 5
so that I can convert a Delivery Tracking Number to a Barcode and have
it printed on a Delivery Labels

Having scanned the internet there seems to a lack of informatin of
creating the conversion algorithim

has anyone had experience of this and can point me in the right place
to get some info

Best regards

Ken
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[Stephen Orth]

Ken,

There are several options:

1.  If this is for a V11 application, look at Charlie Vass' Barcoder
component.  It's based upon a TN from Thomas Maul and works well.

2.  Look at the IDAutomation web site (www.idautomation.com).  They can
provide you with bar code fonts for any of these formats.

3.  Look for freeware fonts.


Steve  :-)



-----Original Message-----
From: 4d_tech-bounces@... [mailto:4d_tech-bounces@...] On
Behalf Of kenajcooper@...
Sent: Tuesday, July 01, 2008 6:09 PM
To: 4d_tech@...
Subject: Conversion routines for Barcodes Code128 and inteleaved 2 of 5

Hi All

I have a need to convert numbers to barcodes for both Code 128 and
Interleaved 2 of 5
so that I can convert a Delivery Tracking Number to a Barcode and have
it printed on a Delivery Labels

Having scanned the internet there seems to a lack of informatin of
creating the conversion algorithim

has anyone had experience of this and can point me in the right place
to get some info

Best regards

Ken


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[Amin Khan]

You can also look at this thread:
http://thread.gmane.org/gmane.comp.lang.inug-4d.tech/68675

You can also get the 4D source code for printing barcodes using ID  
Automation at their website:
http://www.idautomation.com/fonts/tools/sourcecode/#4D

If you are going to use Mac for printing barcodes ID Automation,  
following is also helpful:
http://www.idautomation.com/kb/fonts-macintosh.html

Thanks,
Amin

> From: "Stephen Orth" <s.orth@...>
> Date: 2 July 2008 5:22:46 AM GMT+06:00
> To: "'4D iNug Tech'" <4d_tech@...>
> Subject: RE: Conversion routines for Barcodes Code128 and inteleaved  
> 2 of 5
> Reply-To: s.orth@..., 4D iNug Tech <4d_tech@...
> >
>
>
> Ken,
>
> There are several options:
>
> 1.  If this is for a V11 application, look at Charlie Vass' Barcoder
> component.  It's based upon a TN from Thomas Maul and works well.
>
> 2.  Look at the IDAutomation web site (www.idautomation.com).  They  
> can
> provide you with bar code fonts for any of these formats.
>
> 3.  Look for freeware fonts.
>
>
> Steve  :-)
>
>
>
> -----Original Message-----
> From: 4d_tech-bounces@... [mailto:4d_tech-bounces@...
> ] On
> Behalf Of kenajcooper@...
> Sent: Tuesday, July 01, 2008 6:09 PM
> To: 4d_tech@...
> Subject: Conversion routines for Barcodes Code128 and inteleaved 2  
> of 5
>
> Hi All
>
> I have a need to convert numbers to barcodes for both Code 128 and
> Interleaved 2 of 5
> so that I can convert a Delivery Tracking Number to a Barcode and have
> it printed on a Delivery Labels
>
> Having scanned the internet there seems to a lack of informatin of
> creating the conversion algorithim
>
> has anyone had experience of this and can point me in the right place
> to get some info
>
> Best regards
>
> Ken

--
Amin Khan
Application Architect

Jin Technologies (Pvt) Ltd
http://www.jintech.com




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[Chuck Miller-2]

I have tried to print code 128 using code from idautomation as a  
basis, with no success.

If anyone else has success I would love to see the code. Start and  
stop bits are based upon ascii numbers, which are different on macs  
and PCs


Regards


Chuck
On Jul 2, 2008, at 3:34 AM, Amin Khan wrote:

> You can also look at this thread:
> http://thread.gmane.org/gmane.comp.lang.inug-4d.tech/68675
>
> You can also get the 4D source code for printing barcodes using ID  
> Automation at their website:
> http://www.idautomation.com/fonts/tools/sourcecode/#4D
>
> If you are going to use Mac for printing barcodes ID Automation,  
> following is also helpful:
> http://www.idautomation.com/kb/fonts-macintosh.html

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[Christopher Wyatt]

I'm not sure I understand the problem.

I use Code39 and Code128, as well as UPC fonts, with no problems. You  
set the font and then use the text. I simply have a text field that  
uses the barcode font. You don't do anything special at all, beyond  
selecting the font.

The only code I've ever had to write was to verify UPC checksums.

- CSW

On Jul 2, 2008, at 7:57 AM, Chuck Miller wrote:

> I have tried to print code 128 using code from idautomation as a  
> basis, with no success.
>
> If anyone else has success I would love to see the code. Start and  
> stop bits are based upon ascii numbers, which are different on macs  
> and PCs
>
>
> Regards
>
>
> Chuck
> On Jul 2, 2008, at 3:34 AM, Amin Khan wrote:
>> You can also look at this thread:
>> http://thread.gmane.org/gmane.comp.lang.inug-4d.tech/68675
>>
>> You can also get the 4D source code for printing barcodes using ID  
>> Automation at their website:
>> http://www.idautomation.com/fonts/tools/sourcecode/#4D
>>
>> If you are going to use Mac for printing barcodes ID Automation,  
>> following is also helpful:
>> http://www.idautomation.com/kb/fonts-macintosh.html
>
>
>
> ---------------------------------------------------------------------------
> Chuck Miller                          Voice: [phone]
> Informed Solutions, Inc.              Fax: [phone]
> ----------------------------------------------------------------------------
>
>
>
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[Chip Scheide]

I have never really figured out why people make barcodes such a big
deal -

select (code) the font
enter/assign the text value (whatever number)
append (front and back) appropriate start and stop characters (code 39
is an asterisk)
print

next


ascii -
ascii is THE SAME on all computers
ascii 13 = carriage return
ascii 10 = line feed
etc
it DOES NOT matter what OS (OS X, Mac OS (9 and before), and winblows,
any unix


On Wed, 2 Jul 2008 08:57:06 -0400, Chuck Miller wrote:

> I have tried to print code 128 using code from idautomation as a
> basis, with no success.
>
> If anyone else has success I would love to see the code. Start and
> stop bits are based upon ascii numbers, which are different on macs
> and PCs
>
>
> Regards
>
>
> Chuck
> On Jul 2, 2008, at 3:34 AM, Amin Khan wrote:
>> You can also look at this thread:
>> http://thread.gmane.org/gmane.comp.lang.inug-4d.tech/68675
>>
>> You can also get the 4D source code for printing barcodes using ID
>> Automation at their website:
>> http://www.idautomation.com/fonts/tools/sourcecode/#4D
>>
>> If you are going to use Mac for printing barcodes ID Automation,
>> following is also helpful:
>> http://www.idautomation.com/kb/fonts-macintosh.html
>
>
>
> ---------------------------------------------------------------------------
> Chuck Miller                          Voice: [phone]
> Informed Solutions, Inc.              Fax: [phone]
> ----------------------------------------------------------------------------
>
>
>
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[Chuck Miller-2]

I have tried scanning plain vanilla 128B bar codes, you need to  
append a start character and append a stop character. You also must  
have a checksum. I am not sure how you got 128B to work with none of  
these.


Regards


Chuck
On Jul 2, 2008, at 9:18 AM, Christopher Scott Wyatt wrote:
> I use Code39 and Code128, as well as UPC fonts, with no problems.  
> You set the font and then use the text. I simply have a text field  
> that uses the barcode font. You don't do anything special at all,  
> beyond selecting the font.
>
> The only code I've ever had to write was to verify UPC checksums.

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[Chuck Miller-2]

This is NOT true. Ascii is only the same for first 128.

On a MAC all fonts use same ascii equivalent for characters above  
128. On windows many fonts change characters in that range. That is  
where the problem lies.

Regards


Chuck
On Jul 2, 2008, at 10:14 AM, Chip Scheide wrote:
>
> ascii -
> ascii is THE SAME on all computers
> ascii 13 = carriage return
> ascii 10 = line feed



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[Chip Scheide]

sorry to pick nits : )

ascii refers ONLY to values 0->127
extended ascii (or ascii extended) refers to everything 128 and above

On Wed, 2 Jul 2008 12:14:44 -0400, Chuck Miller wrote:

> This is NOT true. Ascii is only the same for first 128.
>
> On a MAC all fonts use same ascii equivalent for characters above
> 128. On windows many fonts change characters in that range. That is
> where the problem lies.
>
> Regards
>
>
> Chuck
> On Jul 2, 2008, at 10:14 AM, Chip Scheide wrote:
>>
>> ascii -
>> ascii is THE SAME on all computers
>> ascii 13 = carriage return
>> ascii 10 = line feed
>
>
>
> ---------------------------------------------------------------------------
> Chuck Miller                          Voice: [phone]
> Informed Solutions, Inc.              Fax: [phone]
> ----------------------------------------------------------------------------
>
>
>
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[Christopher Wyatt]

On Jul 2, 2008, at 11:14 AM, Chuck Miller wrote:

> This is NOT true. Ascii is only the same for first 128.
>
> On a MAC all fonts use same ascii equivalent for characters above  
> 128. On windows many fonts change characters in that range. That is  
> where the problem lies.

Most barcode fonts do not go beyond the ASCII-7 range. I code on Mac  
and PC, using the same TrueType barcode font on both. Since most of  
the characters are numbers and the asterisk, there's no reason to have  
any issues with higher range characters.

Only strange custom fonts use unusual characters -- usually to make  
you license at a higher fee.

I use the barcode fonts in REALbasic, FileMaker, and 4D v11. Not a  
single problem, regardless of platform. That the Mac can use PC fonts  
makes things even easier -- and Unicode OpenType makes things even  
better.

- CSW
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[Bill Weale]

I'm not speaking for Chuck here, but some of us use barcodes  
"backwards." We want/need human- AND machine-readable communications.  
And not all humans use only the lower 128.

Bill


On Jul 2, 2008, at 12:34 PM, Christopher Scott Wyatt wrote:

> On Jul 2, 2008, at 11:14 AM, Chuck Miller wrote:
>
>> This is NOT true. Ascii is only the same for first 128.
>>
>> On a MAC all fonts use same ascii equivalent for characters above  
>> 128. On windows many fonts change characters in that range. That  
>> is where the problem lies.
>
> Most barcode fonts do not go beyond the ASCII-7 range. I code on  
> Mac and PC, using the same TrueType barcode font on both. Since  
> most of the characters are numbers and the asterisk, there's no  
> reason to have any issues with higher range characters.
>
> Only strange custom fonts use unusual characters -- usually to make  
> you license at a higher fee.
>
> I use the barcode fonts in REALbasic, FileMaker, and 4D v11. Not a  
> single problem, regardless of platform. That the Mac can use PC  
> fonts makes things even easier -- and Unicode OpenType makes things  
> even better.
>
> - CSW
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[Christopher Wyatt]

On Jul 2, 2008, at 11:44 AM, Bill Weale wrote:

> I'm not speaking for Chuck here, but some of us use barcodes  
> "backwards." We want/need human- AND machine-readable  
> communications. And not all humans use only the lower 128.

Still wouldn't matter is the font is OpenType -- the characters are  
the characters. Also, Code 128 only supports 7-bit, by definition of  
the standard and 128 was the specific code mentioned. To my knowledge,  
only PDF417 and the "2D" matrix codes include support for characters  
beyond the basic ASCII set. New Unicode support exists in Matrix  
codes, which opens up a lot of possibilities. The scanners pass UTF8  
as input with some DataMatrix versions.

When you say you are using things "backwards," what exactly is meant?  
I would always print the characters under the barcode, myself, just  
for error checking since even UPC-E has an error rate of 1:800K in  
most tests. The "human readable" is always a nice failsafe for input.

The real "solution" for the future is to have PDF417 support, which  
has amazing reliability (1:6M error rate) and the ability to encode a  
lot of data. By nature, PDF417 and Matrix codes are graphical, though,  
and you couldn't get away with using fonts. Oh, well... but a good  
trade.

I'm sure there are a lot of ways around things, and a lot of companies  
have gone beyond the standards that are defined.

- CSW
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[Chuck Miller-2]

128 is one of the fonts that uses above 128. I think 2 dimensional  
fonts do as well.


Regards


Chuck
On Jul 2, 2008, at 12:34 PM, Christopher Scott Wyatt wrote:
>
> Most barcode fonts do not go beyond the ASCII-7 range. I code on  
> Mac and PC, using the same TrueType barcode font on both. Since  
> most of the characters are numbers and the asterisk, there's no  
> reason to have any issues with higher range characters.

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[Christopher Wyatt]

On Jul 2, 2008, at 3:03 PM, Chuck Miller wrote:

> 128 is one of the fonts that uses above 128. I think 2 dimensional  
> fonts do as well.


Someone needs to quote the standard, not what companies sell as  
"standard." Any database developer should be familiar with the  
ANSI.org site and its documentation. I had to deal with compliance  
issues on military contracts, causing us to reject a lot of "good"  
scanners and systems.

 From ANSI X3.182/ISO 15416 standard (http://webstore.ansi.org/):

Code 128 is a popular barcode symbology. Code 128 is a modern 1D  
symbology that encodes the lower 128 ASCII characters (hence its  
name). No ANSI approved device may encode values outside this range.  
Code 128 is a very high density alphanumeric bar code. The symbol can  
be as long as necessary to store the encoded data. It is designed to  
encode all 128 ASCII characters, and will use the least amount of  
space for data of 6 characters or more of any 1-D symbology.
Each data character encoded in a Code 128 symbol is made up of 11  
black or white modules. The stop character, however, is made up of 13  
modules. Three bars and three spaces are formed out of these 11  
modules. Bar and spaces can vary between 1 and 4 modules wide.

The symbol includes a quiet zone (10 x-dimensions), a start character,  
the encoded data, a check character, the stop character, and a  
trailing quiet zone (10 x-dimensions). For optimum hand-scanning with  
a contact reader, the quiet zone should be at least 0.25 inches.

Any "Code 128" using IBM "extended ASCII" is *not* compliant with the  
standard and dose not meet procurement standards of the GAO.

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[Chuck Miller-2]

You are correct in the characters represented, but the start and stop  
bits are above 128 ascii values and there in lies the problem with  
font differences between macs and PCs


Regards


Chuck
On Jul 2, 2008, at 9:19 PM, Christopher Scott Wyatt wrote:
> Someone needs to quote the standard, not what companies sell as  
> "standard." Any database developer should be familiar with the  
> ANSI.org site and its documentation. I had to deal with compliance  
> issues on military contracts, causing us to reject a lot of "good"  
> scanners and systems.
>
> From ANSI X3.182/ISO 15416 standard (http://webstore.ansi.org/):



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