Barcode Generator & Reader SDK - OnBarcode
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Online Code 39 Barcodes Generator


Generating barcode Code39 images online without installing any software






NOTE

We are providing free online streaming barcode generation service. Now you can generate barcode image through the following url:

http://generator.onbarcode.com/linear.aspx?TYPE=4&DATA=123456789

To get this free online service, please contact us support@onbarcode.com





Index
  1. Integration
  2. Code39 Barcode Parameter Settings


 


Integration Online Code 39 Barcode Generator into your projects

Integrate our Online Code 39 Barcode Generator hosting service into your applications, is really a simple task.

What you need do is to pass our dynamic barcode image generation URL to your web pages IMG tag, or to your reporting and business appliations that are supporting dynamic image URL.

Integrate Trial Version

  1. Dynamic barcode image URL for Code 39 barcodes: http://generator.onbarcode.com/linear.aspx?TYPE=4&DATA=123456789


You can add parameters to the end of url to set Code 39 data to encode, customize barcode image settings. More detail, view Code 39 barcode parameters setting


Integrate Production Version

After purchase, you will receive a unique URL to replace the trial version

  1. Dynamic barcode image URL for Code 39 barcodes: http://{your unique URL}/linear.aspx?TYPE=4&DATA=123456789


Code 39 Generators

OnBarcode provides several Code 39 Generator components and software, including Code 39 .NET, Code 39 Java, Code 39 C#, Code 39 VB.NET, Code 39 Generator.

 

Online Code 39 Generator - Barcode Parameters

Online Code 39 Barcode Generator explains each property settings.

Category Parameter Value Comments
Basic DATA Type: string
Default: "12345" 		Barcode value to encode

Code 39 Valid Data Char Set:
  • 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 (Digits)
  • A - Z (Uppercase letters)
  • - (Dash), $ (Dollar), % (Percentage), (Space), . (Point), / (Slash), + (Plus)


Code 39 extension Valid Data Char Set:
  • All ASCII 128 characters

TYPE Type: int
Default: 7 (Code 128) 		Linear barcode symbology type.

Set the value to 4 (Code 39) or 5 (Code 39 extension).
ADD-CHECK-SUM Type: bool
Default: false 		AddCheckSum property is optional. Modulo 43 will be applied, if AddCheckSum property is true.
 
Code 39
Special		 I Type: float
Default: 1.0 		The space between 2 characters in code 39. This a multiple of X.
N Type: float
Default: 2.0 		Wide/narrow ratio, 2.0 - 3.0 inclusive, default is 2.
SHOW-START-STOP-IN-TEXT Type: bool
Default: "true" 		If true, display a * in the beginning and end of barcode text.

In parameter value, use "true" for true, "false" for false.
PROCESS-TILDE Type: bool
Default: "false" 		Set the ProcessTilde property to true, if you want use the tilde character "~" to specify special characters in the input data.

  • 1-byte character: ~0dd/~1dd/~2dd (character value from 000 ~ 255); ASCII character '~' is presented by ~126
    Strings from "~256" to "~299" are unused


In parameter value, use "true" for true, "false" for false.
 
Barcode
Size
Related		 UOM Type: int
Default: 0 (PIXEL) 		Unit of meature for all size related settings.

Valid values:
  • 0 (PIXEL)
  • 1 (CM)
  • 2 (INCH)
X Type: float
Default: 1 		Width of barcode bar module (narrow bar), default is 1 pixel
Y Type: float
Default: 60 		Height of barcode bar module, default is 60 pixel
BARCODE-WIDTH Type: float
Default: 0 		Barcode image width.

If barcodeWidth setting is smaller than the barcode required minimum width, Online Barcode Generator will automatically reset to barcode minimum width.
BARCODE-HEIGHT Type: float
Default: 0 		Barcode image height.

If barcodeHeight setting is smaller than the barcode required minimum height, Online Barcode Generator will automatically reset to barcode minimum height.
LEFT-MARGIN Type: float
Default: 0 		Barcode image left margin size.
RIGHT-MARGIN Type: float
Default: 0 		Barcode image right margin size.
TOP-MARGIN Type: float
Default: 0 		Barcode image top margin size.
BOTTOM-MARGIN Type: float
Default: 0 		Barcode image bottom margin size.
RESOLUTION Type: int
Default: 72 		Barcode image resolution in DPI (Dots per inch).
ROTATE Type: int
Default: 0 		Valid values:

  • 0 (in roration angle 0 degree)
  • 1 (in roration angle 90 degree)
  • 2 (in roration angle 180 degree)
  • 3 (in roration angle 270 degree)
 
Font
Style		 SHOW-TEXT Type: bool
Default: "true" 		If true, display barcode data text under the barcode, otherwise do not display.

In parameter value, use "true" for true, "false" for false.
TEXT-FONT Type: Font
Default:
"Arial|9|regular" 		Barcode text font style.

Specify the text font format in the following format:
&TEXT-FONT=Arial|9|regular
TEXT-MARGIN Type: float
Default: 6 		Space between barcode and barcode data text, default is 6 pixel







All Online Barcode Generator Supporting Bar Code Types








OnBarcode is a market-leading provider of barcode imaging generator, reader controls and components for ASP.NET, Windows Forms, WPF, as well Java, Android, iOS (iPhone, iPad) across all major enterprise development platforms. We provides comprehensive tutorials and how-tos for various linear, 2d barcode information, such as C# in ASP.NET, C# .NET, C# Barcode Encoding, C# Barcode Image, VB.NET in ASP.NET, VB.NET Winforms, VB.NET Barcode Encoding. OnBarcode barcode products are supported by RasterEdge ASP.NET Document Viewer, which supports ASP.NET PDF Viewer, ASP.NET MVC Document Viewer, ASP.NET PDF Editor, MVC PDF Viewer. And provide high quality C# Convert PDF to Tiff, C# Convert PDF to Word, C# Convert PDF to HTML, C# Convert PDF to Jpeg images, and their easy and simple documents, like C# PDF SDK, C# extract text from PDF, C# Compress PDF, Print PDF in C# and C# extract image from PDF.
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