com.lowagie.text.pdf

Class BarcodeCodabar


public class BarcodeCodabar
extends Barcode

Implements the code codabar. The default parameters are:
x = 0.8f;
n = 2;
font = BaseFont.createFont("Helvetica", "winansi", false);
size = 8;
baseline = size;
barHeight = size * 3;
textAlignment = Element.ALIGN_CENTER;
generateChecksum = false;
checksumText = false;
startStopText = false;
 
Author:
Paulo Soares (psoares@consiste.pt)

Field Summary

(package private) static byte[][]
BARS
The bars to generate the code.
(package private) static String
CHARS
The index chars to BARS.
(package private) static int
START_STOP_IDX

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

BarcodeCodabar()
Creates a new BarcodeCodabar.

Method Summary

static String
calculateChecksum(String code)
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[]
getBarsCodabar(String text)
Creates the bars.
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 to generate the code.

CHARS

(package private) static String CHARS
The index chars to BARS.

START_STOP_IDX

(package private) static final int START_STOP_IDX
Field Value:
16

Constructor Details

BarcodeCodabar

public BarcodeCodabar()
Creates a new BarcodeCodabar.

Method Details

calculateChecksum

public static String calculateChecksum(String code)

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.

getBarsCodabar

public static byte[] getBarsCodabar(String text)
Creates the bars.
Parameters:
text - the text to create the bars
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