Stack Overflow
Stack Overflow

Questions tagged [code128]

A very high-density barcode semiotics used for alphanumeric or numeric-only barcodes.

Code 128 is a very high-density barcode semiotics. It is used for alphanumeric or numeric-only barcodes. It can encode all 128 characters of ASCII and, by use of an extension character (FNC4), the Latin-1 characters defined in ISO/IEC 8859-1

144 questions
4
votes
1 answer

How to properly generate a GS1-128 (formerly EAN-128) barcode in TCPDF

We are trying to generate correct EAN-128 codes for product labels, with TCPDF library, but our client says that the barcode scanner doesn't read the generated barcode. The original(old) barcode and string: The code string is: $codeString =…
user1398498
  • 377
  • 3
  • 11
4
votes
5 answers

python reportlab barcode code128 size

i want to create a label (57*32mm) with a code128 barcode. Its all fine but the barcode is to small =( How can i make this barcode bigger ? from reportlab.graphics.barcode import code128 from reportlab.lib.units import mm from reportlab.pdfgen…
Steffen
  • 51
  • 1
  • 4
4
votes
1 answer

Encode extended ASCII characters in a Code 128 barcode

I want to encode the string "QuiÑones" in a Code 128 bar code. Is it possible to include extended ASCII characters in the Code 128 encoding? . I did some research on Google which suggested that it is possible by using FNC4, but I didn't find…
Mayuresh
  • 43
  • 1
  • 5
3
votes
2 answers

Creating Code128 barcode in C#

Stupid me I thought, that just writing some text with a barcode font, would make the scanner read it. Seems I was wrong. So after reading some docs about code128 barcodes, I learned that: The barcode starts with (103, 104 or 105 dependent of the…
Mads
  • 385
  • 1
  • 5
  • 18
3
votes
0 answers

How to check a Code 128 bar code is EAN 128 or not

How can I check weather a Code 128 bar-code is "EAN 128" or not. I am creating an application that uses both Code 128 and EAN 128 bar-code. While scanning a "EAN128" bar code the Android Vision API is returning the type as Code 128. From google I…
Stephan Ronald
  • 1,395
  • 2
  • 14
  • 39
3
votes
0 answers

pyBarcode - imageWriter settings

I am using pyBarcode and Python 2.7 to make code128 barcodes. This code successfully make barcodes but with default and i am not ably to figure out how to change it. Thes options parameters does not change anything. Thanks def…
Hotyp
  • 31
  • 3
3
votes
0 answers

TCPDF Barcode 128 subset switch

I'm using TCPDF to generate a Code-128 barcode, but I need to be able to switch the subset from B to C. I have tried using TCPDF 'C128' which changes the subset automatically but not to the correct position that I need it for. I am also aware that…
Luke
  • 31
  • 6
3
votes
0 answers

How to Encode Javascript String into code128 for use with Libre Barcode 128?

I'm using Libre Barcode 128 from Google Fonts to generate barcodes on a webpage. If I wanted to encode a string so that it was properly displayed with this font, how would I do that? For example, I know that code128 barcodes need a checksum of some…
xd1936
  • 1,038
  • 2
  • 9
  • 27
3
votes
1 answer

Decoding Code128 barcodes?

I'm reading barcodes in an iOS app using the built-in barcode recognizer. I scanned the barcode on a bottle of prescription medication. I'm expecting this barcode to resolve to a number that I can use to refer to a medication database. What iOS…
Flarosa
  • 1,287
  • 1
  • 13
  • 27
3
votes
1 answer

What would cause Code128 barcodes generated from the netbarcodewriter library not to scan?

I'm trying to use the netbarcodewriter from https://github.com/simongh/barcodes to generate code128 barcodes. The barcode generated can only be scanned by some smartphone apps, but not from any USB scanners or ruggedized windows mobile 6 scanners we…
reckface
  • 5,678
  • 4
  • 36
  • 62
3
votes
5 answers

Code 128 Barcode generation in vb.net

I am attempting to take a string and convert it into a code 128 barcode in vb.net. I am a novice programmer and was wondering what some people thought would be the best design practices for accomplishing this. A simple google search has yielded a…
Brandon
  • 915
  • 4
  • 23
  • 44
3
votes
1 answer

Encoding control characters in a Code128 barcode

Below is what I'm using to create a Code128 barcode. I am trying to figure out how to do some sort of regexp search within the $code to find something like "^009" and replace it with "10000110100" without breaking the rest of the encoding. My goal…
pushECX
  • 31
  • 3
2
votes
1 answer

Zxing not decoding 1D barcode 128 when it only holds one character

When I encode one character as a 1D code 128 barcode, i.e. 'F' or 'M', Zxing doesn't decode it. I first found this issue in my own app where I integrated the zxing source code. Then I checked the original Zxing standalone app as well, just to make…
Mathias Conradt
  • 28,420
  • 21
  • 138
  • 192
2
votes
0 answers

React parse GS1 barcode from camera

I am making a web app and I am using a scanner and camera. I implemented a GS1-parser and that one is working fine (and the scanning with a hardware scan). My problem is the camera scan. That one does not seem to scan the Group Separator character…
Takkie253
  • 156
  • 8
2
votes
1 answer

Escpos Thermal ZJ-58 Python Code128 Barcode print shows nothing

from escpos.printer import Usb p = Usb(0x0416, 0x5011, 0, 0x81, 0x03) p.text("=================\n") #p.image("./barcode/barcode.png") #p.barcode('1324354657687', 'EAN13', 64, 2, '', './fonts/code128.ttf') ### barcode(code, bc, width, height, pos,…
ikinciadam
  • 119
  • 1
  • 12
1
2
3
…
9 10