com.lowagie.text.pdf

Class BarcodeInter25

public class BarcodeInter25 extends Barcode

Implements the code interleaved 2 of 5. The text can include non numeric characters that are printed but do not generate bars. 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;
 

Author: Paulo Soares (psoares@consiste.pt)

Field Summary
static byte[][]BARS
The bars to generate the code.
Constructor Summary
BarcodeInter25()
Creates new BarcodeInter25
Method Summary
ImagecreateAwtImage(Color foreground, Color background)
Creates a java.awt.Image.
RectanglegetBarcodeSize()
Gets the maximum area that the barcode and the text, if any, will occupy.
static byte[]getBarsInter25(String text)
Creates the bars for the barcode.
static chargetChecksum(String text)
Calculates the checksum.
static StringkeepNumbers(String text)
Deletes all the non numeric characters from text.
RectangleplaceBarcode(PdfContentByte cb, Color barColor, Color textColor)
Places the barcode in a PdfContentByte.

Field Detail

BARS

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

Constructor Detail

BarcodeInter25

public BarcodeInter25()
Creates new BarcodeInter25

Method Detail

createAwtImage

public Image createAwtImage(Color foreground, Color background)
Creates a java.awt.Image. This image only contains the bars without any text.

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).

Returns: the size the barcode occupies.

getBarsInter25

public static byte[] getBarsInter25(String text)
Creates the bars for the barcode.

Parameters: text the text. It can contain non numeric characters

Returns: the barcode

getChecksum

public static char getChecksum(String text)
Calculates the checksum.

Parameters: text the numeric text

Returns: the checksum

keepNumbers

public static String keepNumbers(String text)
Deletes all the non numeric characters from text.

Parameters: text the text

Returns: a String with only numeric characters

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

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