com.itextpdf.text.pdf
Class BarcodeCodabar

java.lang.Object
  extended by com.itextpdf.text.pdf.Barcode
      extended by com.itextpdf.text.pdf.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

Field Summary
private static byte[][] BARS
          The bars to generate the code.
private static String CHARS
          The index chars to BARS.
private static int START_STOP_IDX
           
 
Fields inherited from class com.itextpdf.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
BarcodeCodabar()
          Creates a new BarcodeCodabar.
 
Method Summary
static String calculateChecksum(String 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[] getBarsCodabar(String text)
          Creates the bars.
 Rectangle placeBarcode(PdfContentByte cb, BaseColor barColor, BaseColor textColor)
          Places the barcode in a PdfContentByte.
 
Methods inherited from class com.itextpdf.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
 

Field Detail

BARS

private static final byte[][] BARS
The bars to generate the code.


CHARS

private static final String CHARS
The index chars to BARS.

See Also:
Constant Field Values

START_STOP_IDX

private static final int START_STOP_IDX
See Also:
Constant Field Values
Constructor Detail

BarcodeCodabar

public BarcodeCodabar()
Creates a new BarcodeCodabar.

Method Detail

getBarsCodabar

public static byte[] getBarsCodabar(String text)
Creates the bars.

Parameters:
text - the text to create the bars
Returns:
the bars

calculateChecksum

public static String calculateChecksum(String code)

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,
                              BaseColor barColor,
                              BaseColor 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

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