BarcodePostnet

java.lang.Object
- com.itextpdf.barcodes.Barcode1D
- - com.itextpdf.barcodes.BarcodePostnet

```
public class BarcodePostnet
extends Barcode1D
```
POSTNET (Postal Numeric Encoding Technique) is a barcode symbology used by the United States Postal Service to assist in directing mail. The ZIP Code or ZIP+4 code is encoded in half- and full-height bars.[1] Most often, the delivery point is added, usually being the last two digits of the address or PO box number.

Field Summary

Fields
Modifier and Type Field Description

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

static int TYPE_PLANET

static int TYPE_POSTNET
- Fields inherited from class com.itextpdf.barcodes.Barcode1D
  ALIGN_CENTER, ALIGN_LEFT, ALIGN_RIGHT, altText, barHeight, baseline, checksumText, code, codeType, DEFAULT_BAR_BACKGROUND_COLOR, DEFAULT_BAR_FOREGROUND_COLOR, document, extended, font, generateChecksum, guardBars, inkSpreading, n, size, startStopText, textAlignment, x

Constructor Summary

Constructors
Constructor Description

BarcodePostnet(PdfDocument document)
Creates new BarcodePostnet instance.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.awt.Image`	`createAwtImage(java.awt.Color foreground, java.awt.Color background)`	Creates a `java.awt.Image`.
`void`	`fitWidth(float width)`	Make the barcode occupy the specified width.
`Rectangle`	`getBarcodeSize()`	Gets the maximum area that the barcode and the text, if any, will occupy.
`static byte[]`	`getBarsPostnet(java.lang.String text)`	Creates the bars for Postnet.
`Rectangle`	`placeBarcode(PdfCanvas canvas, Color barColor, Color textColor)`	Places the barcode in a `PdfCanvas`.

Methods inherited from class com.itextpdf.barcodes.Barcode1D
createFormXObject, createFormXObject, getAltText, getBarHeight, getBaseline, getCode, getCodeType, getDescender, 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
- TYPE_POSTNET
```
public static final int TYPE_POSTNET
```
  See Also:
  
  Constant Field Values
- TYPE_PLANET
```
public static final int TYPE_PLANET
```
  See Also:
  
  Constant Field Values
- BARS
```
private static final byte[][] BARS
```
  The bars for each character.

Constructor Detail
- BarcodePostnet
```
public BarcodePostnet(PdfDocument document)
```
  Creates new BarcodePostnet instance.
  
  Parameters:
  
  document - The document

Method Detail

getBarsPostnet
```
public static byte[] getBarsPostnet(java.lang.String text)
```
Creates the bars for Postnet.

Parameters:

text - the code to be created without checksum

Returns:

the bars

getBarcodeSize
```
public Rectangle getBarcodeSize()
```
Description copied from class: Barcode1D

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 Barcode1D

Returns:

the size the barcode occupies.

fitWidth
```
public void fitWidth(float width)
```
Description copied from class: Barcode1D

Make the barcode occupy the specified width. Usually this is achieved by adjusting bar widths.

Overrides:

fitWidth in class Barcode1D

Parameters:

width - The width

placeBarcode

public Rectangle placeBarcode(PdfCanvas canvas,
                              Color barColor,
                              Color textColor)

Description copied from class: Barcode1D

Places the barcode in a PdfCanvas. 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 Barcode1D
Parameters:: canvas - the PdfCanvas 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 java.awt.Image createAwtImage(java.awt.Color foreground,
                                     java.awt.Color background)
```
Description copied from class: Barcode1D

Creates a java.awt.Image. This image only contains the bars without any text.

Specified by:

createAwtImage in class Barcode1D

Parameters:

foreground - the color of the bars. If null defaults to Barcode1D.DEFAULT_BAR_FOREGROUND_COLOR

background - the color of the background. If null defaults to Barcode1D.DEFAULT_BAR_BACKGROUND_COLOR

Returns:

the image