BIRT Code 39 Generator Tutorial
Generate barcode Code 39 images in BIRT Reports
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We tested several barcode solutions for our project, and found this one the most reliable barcoding software.
- Tim Martin, NYC

Generate Code-39 Barcode in BIRT Reports, Code-39 Barcode Generation using BIRT Barcode Generator

  • Generate Code 39 barcodes in BIRT reports easily without programming
  • Simple to redistribute BIRT Code 39 barcode library (jar)
  • No registration key or activation code needed
  • Generating high quality Code 39 Bar Code images in GIF format
  • Completely developed in Eclipse BIRT Custom Extended Report Item framework.
  • Mature BIRT Code39 barcode generation plugin using Java Barcode Generator library

BIRT Barcode Code 39 Generator Introduction
BIRT Barcode is an Eclipse BIRT Custom Extended Report Item which helps you easily generate and print high quality 1D (linear) and 2D (matrix) barcodes in your BIRT reports.

Barcode Code-39 Introduction

Code 39 (also known as "USS Code 39", "Code 3/9", "Code 3 of 9", "USD-3", "Alpha39", "Type 39") is a barcode symbology that can encode uppercase letters (A through Z), digits (0 through 9) and a handful of special characters like the $ sign.

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Code 39 is restricted to 44 characters. In Full ASCII Code 39 Symbols 0-9, A-Z, "." ,and "-" are the same as their representations in Code 39. Lower case letters, additional punctuation characters and control characters are represented by sequences of two characters of Code 39.

BIRT Code-39 Generator - Valid Data Scope

  • 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
  • Uppercase letters (A - Z)
  • - (Dash), $ (Dollar), % (Percentage), (Space), . (Point), / (Slash), + (Plus)
  • BIRT Code 39 Extension Generator support all 128 ASCII characters

Code 39 Generators

OnBarcode provides several Code 39 Generator components and software, including .NET Code 39 Generator, Java Code 39 Generator, C# Code 39 Generator, VB.NET Code 39 Generator, Code 39 Generator.
How to Generate Code 39 in BIRT Report
Follow the steps below to print a Code 39 barcode in Eclipse BIRT Report. For details, view here: BIRT Barcode Generator - Developer Guide
  1. Copy com.onbarcode.barcode.birt_2.2.1.jar to your Eclipse plugins directory "\eclipse\plugins\"
  2. Create a new empty report in your BIRT Report barcoding project
  3. Open View "Palette", and add report item "Barcode" to your created BIRT report
  4. Right click the report item you have added, and select "Properties" menu item to edit barcode parameters
  5. All the barcode properties are in the "General" tab. Please note that the values for "Data" and ""UPC/EAN Supplement Data" should be arounded by """, unless you are inputting expression
  6. Change Barcode Type into Code 39 in the general tab, and preview the report. A Code 39 barcode image is printed on your BIRT report
  7. If you want to encode barcode data from BIRT report data set, you need to input expression to "Data" property like "row["CUSTOMERNUMBER"]"
BIRT Barcode Code 39 Generator - Property Settings
Category Properties Value Comments
Basic Property: Data Type: expression
Default: ""
  • If you encode the barcode data text directly, the text string should be around by " " ", such as "12345"

  • If you encode the barcode data from dataset, input the expression, such as row["CUSTOMERNUMBER"]
Barcode value to encode.

Code 39 Valid Data Char Set:

  • 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

  • Uppercase letters (A - Z)

  • - (Dash), $ (Dollar), % (Percentage), (Space), . (Point), / (Slash), + (Plus)

Code 39 extension Valid Data Char Set:

  • all 128 ASCII characters

Property: Add CheckSum Char Type: boolean
Default: false
Add CheckSum Char property is optional. Modulo 43 will be applied, if addCheckSum property is true.
Code 39
Property: Code 39 extension Type: boolean
Default: false
If you want to encode any 128 ASCII characters, extension must be true.
Property: I Type: float
Default: 1.0f
The space between 2 characters in code 39. This a multiple of X.
Property: N Type: float
Default: 2.0f
Wide/narrow ratio, 2.0 - 3.0 inclusive, default is 2.
Property: Code39 Show Start Stop Chars Type: boolean
Default: true
If true, display a * in the beginning and end of barcode text
Property: Process Tilde Type: boolean
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
Property: Unit of Measure Type: int
Default: 0 (pixel)
Unit of meature for all size related settings in the library.
Valid values: 0: pixel; 1: inch; 2: cm.
Property: X Type: float
Default: 1
Width of barcode bar module (narrow bar), default is 1 pixel
Property: Y Type: float
Default: 30
Height of barcode bar module, default is 30 pixel
Property: Left Margin Type: float
Default: 0
Barcode image left margin size.
Property: Right Margin Type: float
Default: 0
Barcode image right margin size.
Property: Top Margin Type: float
Default: 0
Barcode image top margin size.
Property: Bottom Type: float
Default: 0
Barcode image bottom margin size.
Property: Resolution (in dpi) Type: int
Default: 72
Barcode image resolution in DPI (Dots per inch).
Property: Rotate Type: int
Default: 0 (rotate angle in 0 degree)
Valid values:

  • 0 (rotate angle in 0 degree)
  • 90 (rotate angle in 90 degree)
  • 180 (rotate angle in 180 degree)
  • 270 (rotate angle in 270 degree)
Property: Show Text Type: boolean
Default: true
If true, display barcode data text under the barcode, otherwise do not display.
Property: Text Font Size Type: int
Default: 11
Barcode text font size.
Property: Text Margin Type: float
Default: 6
Space between barcode and barcode data text, default is 6 pixels
BIRT Barcode Generator Supporting Barcode Symbology Types
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