barcode

Delphi Barcode Reader Code

Anyone know of an opensource Barcode reader for Delphi, that reads barcodes from a webcam? Update: Thanks for all the help. I found that purchasing a cheap barcode scanner was much more efficient :) . ...

Can anybody recommend a Bar Code web server control?

Can anybody recommend a Bar Code web server control for formats 39 and 128 formats? UPDATE: I posted this after being given a choice of 3 controls we'd never heard of. I was hoping to get a recommendation from somebody who is using something that is popular, stable and a commercial product. It looks like we will just go with one of th...

Barcode doesn't display in PDF using iText

I'm using iText to dynamically generate PDF docs. Now I'm trying to dynamically create a barcode in this PDF. Adobe Live Cycle has a barcode function built-in. You can just drag the barcode text box on the page and it's created. Problem: I placed the barcode field in the PDF. Then pass a number to the barcode field from the JSP page. Bu...

Reading and decoding PDF-417 barcodes stored in an image or PDF file from within a .NET application

I am looking for a .NET library that is able to decode data from a PDF-417 barcode that is embedded either in an image file or PDF. At this point, I have only been able to find a Java version and a C version. Ideally, this library would be both open-source and free of charge, but I doubt such a decoder exists. I am open to trying out...

How to read a value from a barcode reader?

How to read a value from a barcode reader using c#. ...

iText datamatrix generation problem

Hi, I am attempting to generate datamatrix barcodes from within itext. This works fine for most of my codes but not for some codes. One example is: HEnSh0701003-2V1 This produces a non square barcode for some reason. When I use encoders from other companies (such as IDAutomation) I do get a valid square barcode. Does anyone ha...

Symbol SPT-1800 Java Barcode Scanner

Does anybody know if its possible to write a barcode scanning application for the SPT-1800 in Java? I don't know how to program the Old School Palm OS.. so java would be great. ...

How to draw a line on the camera screen with j2me?

Currently I am developing an application for decoding barcodes using mobile phones. I have a problem with how to draw a line or a square on the camera screen to easily capture the barcode. What is the easiest way of doing it? ...

barcode framework for the iphone?

Is there already a barcode framework for the iphone? ...

Calculate the image size required to hold a Graphics object

I am writing a barcode application for work, where I create a graphics object and draw the various bars for a code 39 barcode. I create the graphics object with the following code: int reqBarcodeWidth = 100; int reqBarcodeHeight = 40; objBitmap = new Bitmap(reqBarcodeWidth, reqBarcodeHeight); objGraphics = Graphics.FromImage(objBitmap...

Rave Reports and EAN128 Barcode

Hi I am trying to print an EAN128 barcode in Rave reports. According to the help I should be able to use the code128 component, and add the FNC1 to it. I just cannot get this to work. Can anyone please help me. ...

Redirect barcode scanner input to specific widget in linux

Hi: I have a Symbol LS2208 barcode scanner and works OK in my linux box (Kubuntu 8.10 Intrepid Ibex). Whenever you scan a barcode the scanner (connected to an USB port) sends the reading to wherever the text caret is. I would like to redirect all the readings from the scanner to an specific widget in my application (i.e. a text edit con...

Using Symbol MC70 series scanner with native code

Is it possible to use Symbol MC70 series scanner with native code? I have a Windows Mobile application written using Lazarus(Object pascal) and I want to use it with Symbol MC70. The sdk that they have are for C, .NET and Java. I had a look at the C sdk and it comes with .LIB files which I cannot use with Object Pascal. I have no clue a...

Change tiff pixel aspect ratio to square

I'm trying to perform barcode recognition on a multipage tiff file. But the tiff file is coming to me from a fax server (which I don't have control over) that saves the tiff with a non-square pixel aspect ratio. This is causing the image to be badly squashed due to the aspect ratio. I need to convert the tiff to a square pixel aspect rat...

Barcode 128 size restrictions. Most compact barcode font?

I am generating a barcode label and sending it to the user as a .pdf (this is a web app). The user has already purchased barcode labels that are only 2 inches wide. I want to use an image so that I don't have to install fonts on all of the users machines that will be using the web site. I am able to get the barcodes small enough if I...

What Image format should I use for barcodes created on the fly.

I'm creating barcodes on the fly, and embedding them in web pages. What format should I use? I'm wavering between JPG and PNG, and I don't really understand the advantages of both. Size matters in this, as does readability (better a clear barcode than a blurry one). Is there another format that would be better yet? ...

Database of commercial barcodes

I am working on a barcode application for reading commercial products. I was wondering if anyone knows if there is a database containing commercial barcodes and their associated products that I could purchase? As an example: I would like to be able to scan in the barcode from a candy bar and query a database to retrieve the name of the ...

Is possible to get the numbers of a California lottery ticket from its barcode?

Does the California lottery ticket barcode actually contain the numbers on the ticket? If so, is it possible to decode it and get the actual numbers? ...

EAN 8 : How to calculate checksum digit ?

I need to create EAN 8 bar code programmatically. I search an algorithm to calculate the checksum digit. ...

Is the bar code dead thanks to Microsoft's Tag technology?

Not sure how many people out there work with bar codes in their applications. I have been on a few projects that required bar codes to be programatically generated. Having seen this new Tag technology from Microsoft I am wondering if anyone has worked with MS Tag yet? Do you have some examples of programming against MS Tag? ...