com.lowagie.text.pdf

Class BarcodeEAN

java.lang.Object

com.lowagie.text.pdf.Barcode

com.lowagie.text.pdf.BarcodeEAN

public class BarcodeEAN
extends Barcode

Generates barcodes in several formats: EAN13, EAN8, UPCA, UPCE, supplemental 2 and 5. The default parameters are:

x = 0.8f;
font = BaseFont.createFont("Helvetica", "winansi", false);
size = 8;
baseline = size;
barHeight = size * 3;
guardBars = true;
codeType = EAN13;
code = "";
 

Author:

Paulo Soares (psoares@consiste.pt)

Field Summary

Fields inherited from class com.lowagie.text.pdf.Barcode

altText, barHeight, baseline, checksumText, CODABAR, code, CODE128, CODE128_RAW, CODE128_UCC, codeType, EAN13, EAN8, extended, font, generateChecksum, guardBars, inkSpreading, n, PLANET, POSTNET, size, startStopText, SUPP2, SUPP5, textAlignment, UPCA, UPCE, x

Constructor Summary

Constructors

Constructor and Description
BarcodeEAN() Creates new BarcodeEAN

Method Summary

Modifier and Type	Method and Description
static int	calculateEANParity(String code) Calculates the EAN parity character.
static String	convertUPCAtoUPCE(String text) Converts an UPCA code into an UPCE code.
Image	createAwtImage(Color foreground, Color background) Creates a java.awt.Image.
Rectangle	getBarcodeSize() Gets the maximum area that the barcode and the text, if any, will occupy.
static byte[]	getBarsEAN13(String _code) Creates the bars for the barcode EAN13 and UPCA.
static byte[]	getBarsEAN8(String _code) Creates the bars for the barcode EAN8.
static byte[]	getBarsSupplemental2(String _code) Creates the bars for the barcode supplemental 2.
static byte[]	getBarsSupplemental5(String _code) Creates the bars for the barcode supplemental 5.
static byte[]	getBarsUPCE(String _code) Creates the bars for the barcode UPCE.
Rectangle	placeBarcode(PdfContentByte cb, Color barColor, Color textColor) Places the barcode in a PdfContentByte.

Methods inherited from class com.lowagie.text.pdf.Barcode

createImageWithBarcode, createTemplateWithBarcode, getAltText, getBarHeight, getBaseline, getCode, getCodeType, getFont, getInkSpreading, getN, getSize, getTextAlignment, getX, isChecksumText, isExtended, isGenerateChecksum, isGuardBars, isStartStopText, setAltText, setBarHeight, setBaseline, setChecksumText, setCode, setCodeType, setExtended, setFont, setGenerateChecksum, setGuardBars, setInkSpreading, setN, setSize, setStartStopText, setTextAlignment, setX

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BarcodeEAN

public BarcodeEAN()

Creates new BarcodeEAN

Method Detail

calculateEANParity

public static int calculateEANParity(String code)

Calculates the EAN parity character.

Parameters:

code - the code

Returns:

the parity character

convertUPCAtoUPCE

public static String convertUPCAtoUPCE(String text)

Converts an UPCA code into an UPCE code. If the code can not be converted a null is returned.

Parameters:

text - the code to convert. It must have 12 numeric characters

Returns:

the 8 converted digits or null if the code could not be converted

getBarsEAN13

public static byte[] getBarsEAN13(String _code)

Creates the bars for the barcode EAN13 and UPCA.

Parameters:

_code - the text with 13 digits

Returns:

the barcode

getBarsEAN8

public static byte[] getBarsEAN8(String _code)

Creates the bars for the barcode EAN8.

Parameters:

_code - the text with 8 digits

Returns:

the barcode

getBarsUPCE

public static byte[] getBarsUPCE(String _code)

Creates the bars for the barcode UPCE.

Parameters:

_code - the text with 8 digits

Returns:

the barcode

getBarsSupplemental2

public static byte[] getBarsSupplemental2(String _code)

Creates the bars for the barcode supplemental 2.

Parameters:

_code - the text with 2 digits

Returns:

the barcode

getBarsSupplemental5

public static byte[] getBarsSupplemental5(String _code)

Creates the bars for the barcode supplemental 5.

Parameters:

_code - the text with 5 digits

Returns:

the barcode

getBarcodeSize

public Rectangle getBarcodeSize()

Gets the maximum area that the barcode and the text, if any, will occupy. The lower left corner is always (0, 0).

Specified by:

getBarcodeSize in class Barcode

Returns:

the size the barcode occupies.

placeBarcode

public Rectangle placeBarcode(PdfContentByte cb,
                              Color barColor,
                              Color textColor)

Places the barcode in a PdfContentByte. The barcode is always placed at coordinates (0, 0). Use the translation matrix to move it elsewhere.

The bars and text are written in the following colors:

barColor	textColor	Result
null	null	bars and text painted with current fill color
barColor	null	bars and text painted with barColor
null	textColor	bars painted with current color text painted with textColor
barColor	textColor	bars painted with barColor text painted with textColor

Specified by:

placeBarcode in class Barcode

Parameters:

cb - the PdfContentByte where the barcode will be placed

barColor - the color of the bars. It can be null

textColor - the color of the text. It can be null

Returns:

the dimensions the barcode occupies

createAwtImage

public Image createAwtImage(Color foreground,
                            Color background)

Creates a java.awt.Image. This image only contains the bars without any text.

Specified by:

createAwtImage in class Barcode

Parameters:

foreground - the color of the bars

background - the color of the background

Returns:

the image