com.lowagie.toolbox.plugins.watermarker

Class Watermarker

java.lang.Object

com.lowagie.toolbox.plugins.watermarker.Watermarker

public class Watermarker
extends Object

This class is the API equivalent of the WatermarkerTool. It lets you add a text watermark to all pages of a document given in input.

Constructor Summary

Constructors

Constructor and Description
Watermarker(byte[] input, String text, int fontsize, float opacity) The main constructor with all mandatory arguments.

Method Summary

Modifier and Type	Method and Description
Watermarker	withColor(Color color) To change the default black color by a new one.
byte[]	write() Write the watermark to the pdf given in entry.

Methods inherited from class java.lang.Object

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

Constructor Detail

Watermarker

public Watermarker(byte[] input,
                   String text,
                   int fontsize,
                   float opacity)
            throws IOException,
                   DocumentException

The main constructor with all mandatory arguments. By default, the color stays black.

Parameters:

input - the pdf content as a byte[]

text - the text to write as watermark

fontsize - the fontsize of the watermark

opacity - the opacity of the watermark

Throws:

IOException - on error

DocumentException - on error

Method Detail

withColor

public Watermarker withColor(Color color)

To change the default black color by a new one.

Parameters:

color - the new color to use

Returns:

the current builder instance

write

public byte[] write()
             throws IOException,
                    DocumentException

Write the watermark to the pdf given in entry.

Returns:

a brand new byte[] without modifying the original one.

Throws:

IOException - on error

DocumentException - on error