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
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[]	getBarsInter25(String text) Creates the bars for the barcode.
static char	getChecksum(String text) Calculates the checksum.
static String	keepNumbers(String text) Deletes all the non numeric characters from `text`.
Rectangle	placeBarcode(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 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`

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