com.itextpdf.barcodes

Class Barcode2D

java.lang.Object

com.itextpdf.barcodes.Barcode2D

Direct Known Subclasses:

BarcodeDataMatrix, BarcodePDF417, BarcodeQRCode

public abstract class Barcode2D
extends Object

This is a class that is used to implement the logic common to all 2D barcodes. A 2D barcode is a barcode with two dimensions; this means that data can be encoded vertically and horizontally.

Field Summary

Fields

Modifier and Type	Field and Description
protected static float	DEFAULT_MODULE_SIZE

Constructor Summary

Constructors

Constructor and Description
Barcode2D()

Method Summary

Modifier and Type	Method and Description
abstract PdfFormXObject	createFormXObject(Color foreground, PdfDocument document) Creates a PdfFormXObject with the barcode.
PdfFormXObject	createFormXObject(PdfDocument document) Creates a PdfFormXObject with the barcode.
abstract Rectangle	getBarcodeSize() Gets the maximum area that the barcode and the text, if any, will occupy.
abstract Rectangle	placeBarcode(PdfCanvas canvas, Color foreground) Places the barcode in a PdfCanvas.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_MODULE_SIZE

protected static final float DEFAULT_MODULE_SIZE

See Also:

Constant Field Values

Constructor Detail

Barcode2D

public Barcode2D()

Method Detail

getBarcodeSize

public abstract 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.

placeBarcode

public abstract Rectangle placeBarcode(PdfCanvas canvas,
                                       Color foreground)

Places the barcode in a PdfCanvas. The barcode is always placed at coordinates (0, 0). Use the translation matrix to move it elsewhere.

Parameters:

canvas - the PdfCanvas where the barcode will be placed

foreground - the foreground color. It can be null

Returns:

the dimensions the barcode occupies

createFormXObject

public PdfFormXObject createFormXObject(PdfDocument document)

Creates a PdfFormXObject with the barcode. Default foreground color will be used.

Parameters:

document - The document

Returns:

the XObject.

createFormXObject

public abstract PdfFormXObject createFormXObject(Color foreground,
                                                 PdfDocument document)

Creates a PdfFormXObject with the barcode.

Parameters:

foreground - The color of the pixels. It can be null

document - The document

Returns:

the XObject.