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Java Code-39 Barcode Introduction
Code-39 is also known as ANSI/AIM Code 39, ANSI/AIM Code 39, Uniform Symbology Specification Code 39, USS Code 39, USS 39, Code 3/9, Code 3 of 9, USD-3, LOGMARS, Alpha39, Code 39 Extended, and Code 39 Full ASCII.
Compatibility: Barcode for Java library is compatible with the latest Code-39 ISO specification [ISO/IEC 16388 (Second edition 2007-05-15)].
Code 39, the first alpha-numeric symbology to be developed, is still widely used-especially in non-retail environments. It is the standard bar code used by the United States Department of Defense, and is also used by the Health Industry Bar Code Council (HIBCC).
Sample of a Code 39 Barcode
Sample of a Code 39 Extension Barcode
Java Code-39 Encoding Data Scope
Java Code 39 Generator encodes the following chars:
Under java_barcode_trial package, copy barcode folder to your java servlet container like tomcat.
Restart tomcat. Now you have installed successfully.
To test your installation, open your web browser and navigate to: http://YourDomain:Port/barcode/linear?Data=123456789&Type=CODE39
To create barcode image in your JSP or html page, you need pass the url to IMG tag src value. For example, <img src="http://YourDomain:Port/barcode/linear?Data=123456789&Type=CODE39" /> Using this method, it will not generate any barcode images in your server side.
The second method is to generate barcode images in your server side.
Create a barcode image in server side, like Linear linear = new Linear(); linear.setData("123456789"); linear.setType(Linear.CODE39); linear.renderBarcode("C:/Tools/Tomcat 5.5/webapps/YourWebApp/barcode-images/barcode.gif");
In your JSP or HTML page, you need use IMG tag to display generated image, like <img src="http://YourDomain:Port/YourWebApp/barcode-images/barcode.gif" />
How to Generate Barcode Code-39 Image in Jasper Reports, iReport, Eclipse BIRT?
Set the type property to Linear.CODE39 or Linear.CODE39EX Servlet URL Parameter: "Type". Value: 3 for Code-39, 4 for Code-39 extension. Sample: &Type=3.
Set the data property with the value to encode. Type is String. Servlet URL Parameter: Data.
Valid Data Scope for Code 39 (BarcodeType.CODE39):
Valid Data Scope for Code 39 extension (BarcodeType.CODE39EX):
all 128 ASCII characters
Sample: barcode.setData("CODE39-123456789012").
addCheckSum property is optional. Modulo 43 will be applied, if addCheckSum property is true. Default is false. Servlet URL Parameter: "AddCheckSum". Values: "t" (true), "f" (false). Sample: &AddCheckSum=t
Set N property, Wide bar vs Narrow bar ratio. Valid values are from 2.0f to 3.0f, inclusive. Default is 2.0f. Servlet URL Parameter: N. Sample: &N=3.
Set showStartStopInText property. Whether display * in the begin and end of Code 39 data Default is true. Servlet URL Parameter: ShowStartStop. Values: "t" (true), "f" (false). Sample: &ShowStartStop=t
Set the processTilde property to true, if you want use the tilde character "~" to specify special characters in the encoding data. Default is false. Servlet Parameter: "ProcessTilde". Values: "t" (true), "f" (false). Sample: &ProcessTilde=t Format of the tilde:
~NNN: is used to represent the ASCII character with the value of NNN. NNN is from 000 - 255.
Barcode image size settings.
Set property uom (Unit of Measure) for properties X, Y, leftMargin, rightMargin, topMargin and bottomMargin. Default is Linear.UOM_PIXEL (0). Valid values are Linear.UOM_PIXEL (0), Linear.UOM_CM (1), Linear.UOM_Inch (2). Servlet URL Parameter: "UOM". Value: 0 (pixel), 1 (cm), 2 (inch). Sample: &UOM=0.
Set the X (for barcode module width) and Y (for barcode module height) properties. Both types are float. Default X is 3. Y is 75. Servlet URL Parameter: "X", "Y". Sample: &X=3&Y=75
Set the leftMargin, rightMargin, topMargin and bottomMargin properties, and types are all float. Default values are 0 for all 4 margin settings. Servlet URL Parameter: "LeftMargin", "RightMargin", "TopMargin", "BottomMargin". Sample: &LeftMargin=0
Set the resolution property (Value is expressed in DPI - Dots per inch). Default is 72 dpi. Servlet URL Parameter: "Resolution". Sample: &Resolution=72
Setting up text style in barcode image.
Set the showText properties. If this value is true, barcode data will be displayed with the barcode. Default is true. Servlet URL Parameter: "ShowText". Value: "t" (true), "f" (false). Sample: &ShowText=t.
Set the textFont property. The font used to display text in barcode image. Default is new Font("Arial", Font.PLAIN, 11). Servlet URL Parameter: "TextFont". Value format: [font name]|[font style]|[font size]. Sample Values: &TextFont=Arial|Bold|12
With rotate property, you can display barcode horizontally or vertically. Default value is 0. Servlet URL Parameter: "Rotate". Sample: &Rotate=0. Value can be:
