com.lowagie.text.pdf

Class BarcodePostnet


public class BarcodePostnet
extends Barcode

Implements the Postnet and Planet barcodes. The default parameters are:
n = 72f / 22f; // distance between bars
x = 0.02f * 72f; // bar width
barHeight = 0.125f * 72f; // height of the tall bars
size = 0.05f * 72f; // height of the short bars
codeType = POSTNET; // type of code
 
Author:
Paulo Soares (psoares@consiste.pt)

Field Summary

(package private) static byte[][]
BARS
The bars for each character.

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

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

Constructor Summary

BarcodePostnet()
Creates new BarcodePostnet

Method Summary

java.awt.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[]
getBarsPostnet(String text)
Creates the bars for Postnet.
Rectangle
placeBarcode(PdfContentByte cb, Color barColor, Color textColor)
Places the barcode in a PdfContentByte.

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

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

Field Details

BARS

(package private) static byte[][] BARS
The bars for each character.

Constructor Details

BarcodePostnet

public BarcodePostnet()
Creates new BarcodePostnet

Method Details

createAwtImage

public java.awt.Image createAwtImage(Color foreground,
                                     Color background)
Creates a java.awt.Image. This image only contains the bars without any text.
Overrides:
createAwtImage in interface Barcode
Parameters:
foreground - the color of the bars
background - the color of the background
Returns:
the image

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).
Overrides:
getBarcodeSize in interface Barcode
Returns:
the size the barcode occupies.

getBarsPostnet

public static byte[] getBarsPostnet(String text)
Creates the bars for Postnet.
Parameters:
text - the code to be created without checksum
Returns:
the bars

placeBarcode

public Rectangle placeBarcode(PdfContentByte cb,
                              Color barColor,
                              Color textColor)
Places the barcode in a PdfContentByte. The barcode is always placed at coodinates (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

Overrides:
placeBarcode in interface 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